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<mods:title id="EACB9BA8455FF69DE3257D24CC254ED7">Jassa (Crustacea: Amphipoda): a new morphological and molecular assessment of the genus</mods:title>
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<treatment id="03B487DAFFC4D964C9C818B5FD38F814" ID-DOI="http://doi.org/10.5281/zenodo.4580585" ID-GBIF-Taxon="181871900" ID-Zenodo-Dep="4580585" LSID="urn:lsid:plazi:treatment:03B487DAFFC4D964C9C818B5FD38F814" httpUri="http://treatment.plazi.org/id/03B487DAFFC4D964C9C818B5FD38F814" lastPageId="124" lastPageNumber="125" pageId="113" pageNumber="114">
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<paragraph id="8BA236CCFFC4D969C9C818B5FE10FC47" blockId="113.[151,484,931,995]" box="[151,484,931,958]" pageId="113" pageNumber="114">
<heading id="D0EA81A0FFC4D969C9C818B5FE10FC47" bold="true" box="[151,484,931,958]" fontSize="11" level="2" pageId="113" pageNumber="114" reason="4">
<taxonomicName id="4C1D4D4FFFC4D969C9C818B5FE10FC47" ID-CoL="3QN28" authority="Conlan, 1990" authorityName="Conlan" authorityYear="1990" box="[151,484,931,958]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="113" pageNumber="114" phylum="Arthropoda" rank="species" species="staudei">
<emphasis id="B969EADEFFC4D969C9C818B5FE10FC47" bold="true" box="[151,484,931,958]" pageId="113" pageNumber="114">
<emphasis id="B969EADEFFC4D969C9C818B5FEC3FC47" bold="true" box="[151,311,931,958]" italics="true" pageId="113" pageNumber="114">Jassastaudei</emphasis>
<bibRefCitation id="EF8C4B3DFFC4D969C86018B5FE10FC47" author="Conlan, K. E." box="[319,484,932,958]" pageId="113" pageNumber="114" pagination="2031 - 2075" refId="ref90850" refString="Conlan, K. E. (1990) Revision of the crustacean amphipod genus Jassa Leach (Corophioidea: Ischyroceridae). Canadian Journal of Zoology, 68, 2031 - 2075. https: // doi. org / 10.1139 / z 90 - 288" type="journal article" year="1990">Conlan, 1990</bibRefCitation>
</emphasis>
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<paragraph id="8BA236CCFFC4D969C9C818D9FE62FC1A" blockId="113.[151,484,931,995]" box="[151,406,968,995]" pageId="113" pageNumber="114">
(
<tableCitation id="C69F0377FFC4D969C9C018D9FEF7FC1B" box="[159,259,968,994]" captionStart="TABLE 12" captionStartId="102.[151,239,332,356]" captionTargetPageId="102" captionText="TABLE 12. Key character states of locally distributed North Pacific species. Trans-hemispheric species (Table 10) may occur there as well. X indicates the presence of the first character state described while — indicates the alternative character state given in italics. S and L indicate length.? indicates that the state is unknown. Character states apply to both sexes and all ages unless indicated otherwise." httpUri="http://table.plazi.org/id/DF626644FFD3D97EC9C81A5DFD89FE29" pageId="113" pageNumber="114" tableUuid="DF626644FFD3D97EC9C81A5DFD89FE29">Table 12</tableCitation>
,
<figureCitation id="13262A49FFC4D969C85018D9FE7AFC1A" box="[271,398,968,995]" captionStart-0="FIGURE 67" captionStart-1="FIGURE 68" captionStart-10="FIGURE 77" captionStart-2="FIGURE 69" captionStart-3="FIGURE 70" captionStart-4="FIGURE 71" captionStart-5="FIGURE 72" captionStart-6="FIGURE 73" captionStart-7="FIGURE 74" captionStart-8="FIGURE 75" captionStart-9="FIGURE 76" captionStartId-0="114.[151,250,1463,1487]" captionStartId-1="115.[151,250,1355,1379]" captionStartId-10="124.[151,250,1140,1164]" captionStartId-2="116.[151,250,1829,1853]" captionStartId-3="117.[151,250,1709,1733]" captionStartId-4="118.[151,250,1692,1716]" captionStartId-5="119.[151,250,1707,1731]" captionStartId-6="120.[151,250,1693,1717]" captionStartId-7="121.[151,250,1127,1151]" captionStartId-8="122.[151,250,1868,1892]" captionStartId-9="123.[151,250,1803,1827]" captionTargetBox-0="[181,1401,281,1440]" captionTargetBox-1="[156,1398,346,1332]" captionTargetBox-10="[225,1363,181,1117]" captionTargetBox-2="[215,1374,188,1797]" captionTargetBox-3="[159,1428,220,1635]" captionTargetBox-4="[165,1428,220,1628]" captionTargetBox-5="[165,1424,230,1634]" captionTargetBox-6="[377,1213,192,1668]" captionTargetBox-7="[179,1412,185,1099]" captionTargetBox-8="[160,1436,189,1844]" captionTargetBox-9="[151,1436,181,1779]" captionTargetId-0="figure-78@114.[177,1411,273,1440]" captionTargetId-1="figure-103@115.[155,1432,345,1332]" captionTargetId-10="figure-22@124.[225,1363,181,1117]" captionTargetId-2="figure-22@116.[207,1381,181,1805]" captionTargetId-3="figure-18@117.[151,1436,211,1638]" captionTargetId-4="figure-22@118.[151,1436,211,1631]" captionTargetId-5="figure-18@119.[151,1436,219,1637]" captionTargetId-6="figure-22@120.[366,1222,181,1669]" captionTargetId-7="figure-18@121.[172,1416,181,1103]" captionTargetId-8="figure-22@122.[151,1436,181,1844]" captionTargetId-9="figure-18@123.[151,1436,181,1779]" captionTargetPageId-0="114" captionTargetPageId-1="115" captionTargetPageId-10="124" captionTargetPageId-2="116" captionTargetPageId-3="117" captionTargetPageId-4="118" captionTargetPageId-5="119" captionTargetPageId-6="120" captionTargetPageId-7="121" captionTargetPageId-8="122" captionTargetPageId-9="123" captionText-0="FIGURE 67. Jassa staudei Conlan, 1990. Holotype, adult male, major form, 6.0 mm, NMCC 1987-1074; allotype, adult female, 5.5 mm, NMCC 1987-1075. North side of Wouwer Island, Broken Group, Barkley Sound, Vancouver Island, British Columbia (48°51.06ʹN, 125°21.08ʹW), 27 June 1976, E. L. Bousfield, coll., station B7, dip net collection at low water, amongst Phyllospadix Hooker (1840), kelp, sponges and under rock, 1976-157 (CMN). Lateral view: whole body; dorsal view: telson; other views medial. Appendages are of the holotype unless noted otherwise. Scale 0.1 mm. Illustration after Conlan (1990)." captionText-1="FIGURE 68. Jassa staudei Conlan, 1990. Holotype, adult male, major form, 6.0 mm, NMCC 1987-1074; allotype, adult female, 5.5 mm, NMCC 1987-1075; paratype, adult male 1, minor form, 5.1 mm, NMCC 1987-1076. Adult male 2, minor form, 4.2 mm, Edward King Island, British Columbia, 10 July 1976, E. L. Bousfield, coll., station B28, dip net collection at low water, amongst Phyllospadix, kelp, sponges and under rock, 1976-157 (CMN). All views medial. Appendages are of the holotype unless noted otherwise. Scale 0.1 mm." captionText-10="FIGURE 77. Jassa staudei Conlan, 1990. Adult male, major form, 9.0 mm. East pressure head tank at Friday Harbor Laboratories, San Juan Island, Washington, 26 Dec. 1986, C. Staude, coll, IZ1984-175 (CMN). Uropod 3, tip of outer ramus. x1200." captionText-2="FIGURE 69. Jassa staudei Conlan, 1990. Variation in thumb length relative to body length in males living inside the east pressure head tank at Friday Harbor Laboratories, San Juan Island, Washington, 2 October 1984, C. Staude, coll., IZ1984- 175 (CMN). Arrows refer to the associated gnathopod illustrations. The subadult male had a thumb visible inside the cuticle, indicating that it would molt next into a thumbed adult. Setae omitted except for those around the thumb and spines in order to landmark position changes with growth. All views lateral. Scale 0.1 mm. Linear regression assumptions failed for all plots. Illustration after Conlan (1990)." captionText-3="FIGURE 70. Jassa staudei Conlan, 1990. Variation in thumb length relative to body length in males from populations collected in JuneNov. 1985 from the east pressure head tank at Friday Harbor Laboratories, San Juan Island, Washington, C. Staude, coll., IZ1984-175 (CMN). Linear regression assumptions passed for the adult major form males on 22 Aug. and 23 Oct. 1985. Linear regression statistics: 22 Aug. 1985: Major form, thumb length = -0.359 + 0.144 x body length, r2 = 0.842, n = 27; 23 Oct. 1985: Major form, thumb length = -0.355 + 0.158 x body length, r2 = 0.784, n = 20. Subadult males (those with a thumbed cuticle visible inside the propodus) were not differentiated from juveniles." captionText-4="FIGURE 71. Jassa staudei Conlan, 1990. Variation in thumb length relative to body length in males from populations collected in Dec. 1985July 1986 from the east (Dec.Feb.) or west (Apr.July) pressure head tank at Friday Harbor Laboratories, San Juan Island, Washington, C. Staude, coll., IZ1984-175 (CMN). Linear regression assumptions passed for the adult major form males on 26 Feb. and 3 June 1986. Linear regression statistics: 26 Feb. 1986: Major form, thumb length = -0.910 + 0.215 x body length, r2 = 0.985, n = 10; 3 June 1986: Major form, thumb length = -0.587 + 0.168 x body length, r2 = 0.893, n = 7. Subadult males (those with a thumbed cuticle visible inside the propodus) were not differentiated from juveniles." captionText-5="FIGURE 72. Jassa staudei Conlan, 1990. Variation in thumb length relative to body length in males from populations collected in Oct. 1986Feb. 1987 from the west pressure head tank at Friday Harbor Laboratories, San Juan Island, Washington, C. Staude, coll., IZ1984-175 (CMN). Linear regression assumptions passed for the adult major form males on 26 Jan. and 23 Feb. 1987. Linear regression statistics: 26 Jan. 1987: Major form, thumb length = -0.926 + 0.219 x body length, r2 = 0.906, n = 15; 23 Feb. 1987: Major form, thumb length = -0.766 + 0.198 x body length, r2 = 0.843, n = 26. Subadult males (those with a thumbed cuticle visible inside the propodus) were not differentiated from juveniles." captionText-6="FIGURE 73. Jassa staudei Conlan, 1990. Variation in thumb length relative to body length in thumbed males from four populations collected in June on the Pacific coast of North America, ordered by latitude.West side of Wouwer Island, British Columbia, 27 June 1976, E. L. Bousfield, coll., station B7, low water collection, bedrock, Phyllospadix, kelp, sponges, ~12 °C, ~32+ psu, 1976-157 (CMN). Friday Harbor Laboratories, San Juan Island, Washington, west pressure head tank for marine lab aquaria, 3 June 1986, C. Staude, coll., IZ1984-175 (CMN). Shelter Cove, Point Delgada, California: 5 June 1986, P. Shaw, coll., formalin wash of open coast shallow subtidal algae and bryozoans (Aglaophenia Lamouroux, 1812),&gt;33psu, rocky coast, strong surge. Albion Cove, California, 29 June 1978, J.R. Chess, coll., airlift pump of fouling community on rock substrate, 20 m depth, IZ1986-071 (CMN). Linear regression assumptions passed for the adult major form males at Friday Harbor and Point Delgada. Linear regression statistics: Friday Harbor: Major form, thumb length = -0.587+ 0.168 x body length, r2 = 0.893, n = 7; Point Delgada: Major form, thumb length = -0.489 + 0.168 x body length, r2 = 0.885, n = 8." captionText-7="FIGURE 74. Jassa staudei Conlan, 1990. Variation in gnathopod 2 propodus length relative to body length in adult and juvenile males and females in a population from Albion Cove, California, 29 June 1978, J.R. Chess, coll., airlift pump of fouling community on rock substrate, 20 m depth, IZ1986-071 (CMN). Linear regression assumptions failed for all plots." captionText-8="FIGURE 75. Jassa staudei Conlan, 1990. Holotype, adult male, major form, 6.0 mm, NMCC 1987-1074. North side of Wouwer Island, Broken Group, Barkley Sound, Vancouver Island, British Columbia (48°51.06ʹN, 125°21.08ʹW), 27 June 1976, E. L. Bousfield, coll., station B7, dip net collection at low water, amongst Phyllospadix Hooker (1840), kelp, sponges and under rock, 1976-157 (CMN). Mouthparts. Frontal view: upper lip; lateral view: maxilla 1; other views medial. Scale 0.1 mm." captionText-9="FIGURE 76. Jassa staudei Conlan, 1990. East pressure head tank at Friday Harbor Laboratories, San Juan Island, Washington, 26 Dec. 1986, C. Staude, coll., IZ1984-175 (CMN). Antenna 2, tip of flagellum. A, adult female, 9.0 mm; B, magnification of A, arrow showing the same seta as in A; C, subadult male, 7.5 mm; D, magnification of C, arrow showing the same seta as in C. A and C x1200; B and D x4700." figureDoi-0="http://doi.org/10.5281/zenodo.4580796" figureDoi-1="http://doi.org/10.5281/zenodo.4580798" figureDoi-10="http://doi.org/10.5281/zenodo.4580820" figureDoi-2="http://doi.org/10.5281/zenodo.4580800" figureDoi-3="http://doi.org/10.5281/zenodo.4580802" figureDoi-4="http://doi.org/10.5281/zenodo.4580804" figureDoi-5="http://doi.org/10.5281/zenodo.4580806" figureDoi-6="http://doi.org/10.5281/zenodo.4580808" figureDoi-7="http://doi.org/10.5281/zenodo.4580812" figureDoi-8="http://doi.org/10.5281/zenodo.4580814" figureDoi-9="http://doi.org/10.5281/zenodo.4580818" httpUri-0="https://zenodo.org/record/4580796/files/figure.png" httpUri-1="https://zenodo.org/record/4580798/files/figure.png" httpUri-10="https://zenodo.org/record/4580820/files/figure.png" httpUri-2="https://zenodo.org/record/4580800/files/figure.png" httpUri-3="https://zenodo.org/record/4580802/files/figure.png" httpUri-4="https://zenodo.org/record/4580804/files/figure.png" httpUri-5="https://zenodo.org/record/4580806/files/figure.png" httpUri-6="https://zenodo.org/record/4580808/files/figure.png" httpUri-7="https://zenodo.org/record/4580812/files/figure.png" httpUri-8="https://zenodo.org/record/4580814/files/figure.png" httpUri-9="https://zenodo.org/record/4580818/files/figure.png" pageId="113" pageNumber="114">Figs 6777</figureCitation>
)
</paragraph>
</subSubSection>
<subSubSection id="C3076547FFC4D969C9C81F01FC4DF8BA" pageId="113" pageNumber="114" type="diagnosis">
<paragraph id="8BA236CCFFC4D969C9C81F01FEE6FBD3" blockId="113.[151,1437,1040,2039]" box="[151,274,1040,1066]" pageId="113" pageNumber="114">
<emphasis id="B969EADEFFC4D969C9C81F01FEE6FBD3" bold="true" box="[151,274,1040,1066]" pageId="113" pageNumber="114">Diagnosis.</emphasis>
</paragraph>
<paragraph id="8BA236CCFFC4D969C9981F25FEBAFBB7" blockId="113.[151,1437,1040,2039]" box="[199,334,1076,1102]" pageId="113" pageNumber="114">
<emphasis id="B969EADEFFC4D969C9981F25FEBAFBB7" bold="true" box="[199,334,1076,1102]" pageId="113" pageNumber="114">Both sexes:</emphasis>
</paragraph>
<paragraph id="8BA236CCFFC4D969C9981F49FC42FB8A" blockId="113.[151,1437,1040,2039]" box="[199,950,1112,1139]" pageId="113" pageNumber="114">
<emphasis id="B969EADEFFC4D969C9981F49FE72FB8B" box="[199,390,1112,1138]" italics="true" pageId="113" pageNumber="114">Mandibular palp</emphasis>
: article 2, dorsal margin without a fringe of setae.
</paragraph>
<paragraph id="8BA236CCFFC4D969C9981F6DFC19FB6F" blockId="113.[151,1437,1040,2039]" box="[199,1005,1148,1175]" pageId="113" pageNumber="114">
<emphasis id="B969EADEFFC4D969C9981F6DFEC7FB6F" box="[199,307,1148,1174]" italics="true" pageId="113" pageNumber="114">Maxilla 1</emphasis>
: without a seta or setal cluster at the base of the palp article 1.
</paragraph>
<paragraph id="8BA236CCFFC4D969C9981FB1FC64FB27" blockId="113.[151,1437,1040,2039]" pageId="113" pageNumber="114">
<emphasis id="B969EADEFFC4D969C9981FB1FEAFFB43" box="[199,347,1184,1210]" italics="true" pageId="113" pageNumber="114">Gnathopod 1</emphasis>
: basis, anterolateral margin without a row of short setae along its length; carpus without a single or small cluster of setae at the anterodistal junction of the propodus.
</paragraph>
<paragraph id="8BA236CCFFC4D969C9981FF9FAFEFADE" blockId="113.[151,1437,1040,2039]" pageId="113" pageNumber="114">
<emphasis id="B969EADEFFC4D969C9981FF9FEAEFAFB" box="[199,346,1256,1282]" italics="true" pageId="113" pageNumber="114">Gnathopod 2</emphasis>
: basis with a row of long setae along the anterolateral margin (setae length 100% of basis width); carpus and propodus, setae on the anterior margin long and simple (some setal lengths Ẑbasis width).
</paragraph>
<paragraph id="8BA236CCFFC4D969C9981E21FD09FAB3" blockId="113.[151,1437,1040,2039]" box="[199,765,1328,1355]" pageId="113" pageNumber="114">
<emphasis id="B969EADEFFC4D969C9981E21FE9BFAB3" box="[199,367,1328,1354]" italics="true" pageId="113" pageNumber="114">Pereopods 57</emphasis>
: propodus not expanded anteriorly.
</paragraph>
<paragraph id="8BA236CCFFC4D969C9981E45FB68FA96" blockId="113.[151,1437,1040,2039]" box="[199,1180,1364,1391]" pageId="113" pageNumber="114">
<emphasis id="B969EADEFFC4D969C9981E45FEC6FA97" box="[199,306,1364,1390]" italics="true" pageId="113" pageNumber="114">Uropod 1</emphasis>
: ventral peduncular spinous process underlying 35-40% of the longest ramus.
</paragraph>
<paragraph id="8BA236CCFFC4D969C9981E69FB64FA6A" blockId="113.[151,1437,1040,2039]" box="[199,1168,1400,1427]" pageId="113" pageNumber="114">
<emphasis id="B969EADEFFC4D969C9981E69FEC6FA6B" box="[199,306,1400,1426]" italics="true" pageId="113" pageNumber="114">Uropod 3</emphasis>
: inner ramus without spines mid-dorsally (with only the single apical spine).
</paragraph>
<paragraph id="8BA236CCFFC4D969C9981E8DFB8CFA4E" blockId="113.[151,1437,1040,2039]" box="[199,1144,1436,1463]" pageId="113" pageNumber="114">
<emphasis id="B969EADEFFC4D969C9981E8DFEFBFA4F" box="[199,271,1436,1462]" italics="true" pageId="113" pageNumber="114">Telson</emphasis>
: tip without apical setae (only the usual short setae at each dorsolateral cusp).
</paragraph>
<paragraph id="8BA236CCFFC4D969C9981ED1FE72FA23" blockId="113.[151,1437,1040,2039]" box="[199,390,1472,1498]" pageId="113" pageNumber="114">
<emphasis id="B969EADEFFC4D969C9981ED1FE72FA23" bold="true" box="[199,390,1472,1498]" pageId="113" pageNumber="114">Thumbed male:</emphasis>
</paragraph>
<paragraph id="8BA236CCFFC4D969C9981EF5FEE0F9DA" blockId="113.[151,1437,1040,2039]" pageId="113" pageNumber="114">
<emphasis id="B969EADEFFC4D969C9981EF5FEC8FA07" box="[199,316,1508,1534]" italics="true" pageId="113" pageNumber="114">Antenna 2</emphasis>
: large individuals with plumose setae on the flagellum and peduncular article 5 and lacking long filter setae.
</paragraph>
<paragraph id="8BA236CCFFC4D969C9981D3DFD0BF92F" blockId="113.[151,1437,1040,2039]" pageId="113" pageNumber="114">
<emphasis id="B969EADEFFC4D969C9981D3DFEAFF9BF" box="[199,347,1580,1606]" italics="true" pageId="113" pageNumber="114">Gnathopod 2</emphasis>
: propodus, palmar defining spines not produced on a ledge, present in small thumbed males but absent in large thumbed males. In minor males, the thumb is distally squared, short relative to body length and located on the distal half of the propodus. The dactyl is strongly centrally toothed. In major males, the thumb is distally squared, longer relative to body length and on the proximal half of the propodus. The dactyl is expanded close to the junction with the propodus but is not centrally toothed.
</paragraph>
<paragraph id="8BA236CCFFC4D969C9981DF1FE9FF903" blockId="113.[151,1437,1040,2039]" box="[199,363,1760,1786]" pageId="113" pageNumber="114">
<emphasis id="B969EADEFFC4D969C9981DF1FE9FF903" bold="true" box="[199,363,1760,1786]" pageId="113" pageNumber="114">Adult female:</emphasis>
</paragraph>
<paragraph id="8BA236CCFFC4D969C9981C15FB76F8E6" blockId="113.[151,1437,1040,2039]" box="[199,1154,1796,1823]" pageId="113" pageNumber="114">
<emphasis id="B969EADEFFC4D969C9981C15FECCF8E7" box="[199,312,1796,1822]" italics="true" pageId="113" pageNumber="114">Antenna 2</emphasis>
: large animals with plumose setae on the flagellum and peduncular article 5.
</paragraph>
<paragraph id="8BA236CCFFC4D969C9981C39FC4DF8BA" blockId="113.[151,1437,1040,2039]" box="[199,953,1832,1859]" pageId="113" pageNumber="114">
<emphasis id="B969EADEFFC4D969C9981C39FEACF8BB" box="[199,344,1832,1858]" italics="true" pageId="113" pageNumber="114">Gnathopod 2</emphasis>
: propodus, palm concave, palmar defining angle acute.
</paragraph>
</subSubSection>
<subSubSection id="C3076547FFC4D964C9981C5DFD38F814" lastPageId="124" lastPageNumber="125" pageId="113" pageNumber="114" type="discussion">
<paragraph id="8BA236CCFFC4D96AC9981C5DFAB1FF00" blockId="113.[151,1437,1040,2039]" lastBlockId="114.[151,1437,151,249]" lastPageId="114" lastPageNumber="115" pageId="113" pageNumber="114">
<emphasis id="B969EADEFFC4D969C9981C5DFECDF89F" bold="true" box="[199,313,1868,1894]" pageId="113" pageNumber="114">Remarks.</emphasis>
<bibRefCitation id="EF8C4B3DFFC4D969C81D1C5DFE17F89F" author="Conlan, K. E." box="[322,483,1868,1894]" pageId="113" pageNumber="114" pagination="2031 - 2075" refId="ref90850" refString="Conlan, K. E. (1990) Revision of the crustacean amphipod genus Jassa Leach (Corophioidea: Ischyroceridae). Canadian Journal of Zoology, 68, 2031 - 2075. https: // doi. org / 10.1139 / z 90 - 288" type="journal article" year="1990">Conlan (1990)</bibRefCitation>
noted that
<taxonomicName id="4C1D4D4FFFC4D969CB3D1C5CFD3AF89F" authorityName="Conlan" authorityYear="1990" box="[610,718,1868,1894]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="113" pageNumber="114" phylum="Arthropoda" rank="species" species="staudei">
<emphasis id="B969EADEFFC4D969CB3D1C5CFD3AF89F" box="[610,718,1868,1894]" italics="true" pageId="113" pageNumber="114">J. staudei</emphasis>
</taxonomicName>
has longer setae along the anteroproximal margin of the second gnathopod propodus than any other species. This is a key feature of the species as it is invariate (occurring in both sexes and at all ages). Another key feature is the lack of a single or cluster of setae at the junction of the carpus and propodus of gnathopod 1 (also an invariate character state). Other characteristics of the species are the plumose setae that appear on the antenna 2 peduncle article 5 and flagellum in larger males and females, the long, dense setae on the anterior margin of the gnathopod 2 basis, the well-developed peduncular spinous process on uropod 1, and the characteristics of the maxilla 1, mandibular palp and uropod 1 as noted above. All these characters combined will serve to distinguish this speci es from congeners on the Pacific coast of North America, whether native or introduced.
</paragraph>
<caption id="DF626644FFC7D96AC9C81EA6FA8FF9A6" ID-DOI="http://doi.org/10.5281/zenodo.4580796" ID-Zenodo-Dep="4580796" httpUri="https://zenodo.org/record/4580796/files/figure.png" pageId="114" pageNumber="115" startId="114.[151,250,1463,1487]" targetBox="[181,1401,281,1440]" targetPageId="114">
<paragraph id="8BA236CCFFC7D96AC9C81EA6FA8FF9A6" blockId="114.[151,1437,1463,1631]" pageId="114" pageNumber="115">
<emphasis id="B969EADEFFC7D96AC9C81EA6FED0FA36" bold="true" box="[151,292,1463,1487]" pageId="114" pageNumber="115">FIGURE 67.</emphasis>
<taxonomicName id="4C1D4D4FFFC7D96AC8721EA9FDA6FA36" authority="Conlan, 1990" authorityName="Conlan" authorityYear="1990" box="[301,594,1463,1487]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="114" pageNumber="115" phylum="Arthropoda" rank="species" species="staudei">
<emphasis id="B969EADEFFC7D96AC8721EA9FE4DFA36" box="[301,441,1463,1487]" italics="true" pageId="114" pageNumber="115">Jassastaudei</emphasis>
<bibRefCitation id="EF8C4B3DFFC7D96AC89C1EA6FDA6FA36" author="Conlan, K. E." box="[451,594,1463,1487]" pageId="114" pageNumber="115" pagination="2031 - 2075" refId="ref90850" refString="Conlan, K. E. (1990) Revision of the crustacean amphipod genus Jassa Leach (Corophioidea: Ischyroceridae). Canadian Journal of Zoology, 68, 2031 - 2075. https: // doi. org / 10.1139 / z 90 - 288" type="journal article" year="1990">Conlan, 1990</bibRefCitation>
</taxonomicName>
. Holotype, adult male, major form, 6.0 mm, NMCC 1987-1074; allotype, adult female, 5.5 mm, NMCC 1987-1075. North side of Wouwer Island, Broken Group, Barkley Sound, Vancouver Island, British Columbia (48°51.06ʹN, 125°21.08ʹW), 27 June 1976, E. L. Bousfield, coll., station B7, dip net collection at low water, amongst
<taxonomicName id="4C1D4D4FFFC7D96AC9C81D32FE48F9C2" authority="Hooker (1840)" authorityName="Hooker" authorityYear="1840" box="[151,444,1571,1595]" class="Liliopsida" family="Zosteraceae" genus="Phyllospadix" kingdom="Plantae" order="Alismatales" pageId="114" pageNumber="115" phylum="Tracheophyta" rank="genus">
<emphasis id="B969EADEFFC7D96AC9C81D32FEEFF9C2" box="[151,283,1571,1595]" italics="true" pageId="114" pageNumber="115">Phyllospadix</emphasis>
Hooker (1840)
</taxonomicName>
, kelp, sponges and under rock, 1976-157 (CMN). Lateral view: whole body; dorsal view: telson; other views medial. Appendages are of the holotype unless noted otherwise. Scale 0.1 mm. Illustration after
<bibRefCitation id="EF8C4B3DFFC7D96ACDBE1D56FA83F9A6" author="Conlan, K. E." box="[1249,1399,1607,1631]" pageId="114" pageNumber="115" pagination="2031 - 2075" refId="ref90850" refString="Conlan, K. E. (1990) Revision of the crustacean amphipod genus Jassa Leach (Corophioidea: Ischyroceridae). Canadian Journal of Zoology, 68, 2031 - 2075. https: // doi. org / 10.1139 / z 90 - 288" type="journal article" year="1990">Conlan (1990)</bibRefCitation>
.
</paragraph>
</caption>
<paragraph id="8BA236CCFFC7D96AC9981D9FFD08F812" blockId="114.[151,1437,1677,2028]" pageId="114" pageNumber="115">
<materialsCitation id="3B753C91FFC7D96AC9981D9FFD0CF812" ID-GBIF-Occurrence="3097971318" collectingDate="1985-06" collectingDateMax="1987-02" collectingDateMin="1985-06" county="In" location="Sampled" municipality="Friday Harbor Laboratories" pageId="114" pageNumber="115" specimenCount="1" stateProvince="Washington">
<collectingCounty id="62C34E40FFC7D96AC9981D9FFF2AF951" box="[199,222,1678,1704]" pageId="114" pageNumber="115">In</collectingCounty>
a population of
<taxonomicName id="4C1D4D4FFFC7D96AC8CF1D9FFE0DF95E" authorityName="Conlan" authorityYear="1990" box="[400,505,1677,1703]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="114" pageNumber="115" phylum="Arthropoda" rank="species" species="staudei">
<emphasis id="B969EADEFFC7D96AC8CF1D9FFE0DF95E" box="[400,505,1677,1703]" italics="true" pageId="114" pageNumber="115">J. staudei</emphasis>
</taxonomicName>
collected inside the pressure head tank for the aquaria at
<collectingMunicipality id="6BC6ACB6FFC7D96ACD371D9CFA6DF95E" box="[1128,1433,1677,1703]" pageId="114" pageNumber="115">Friday Harbor Laboratories</collectingMunicipality>
,
<collectingRegion id="49D9F82EFFC7D96AC9C81DA0FEE9F932" box="[151,285,1713,1739]" country="United States of America" name="Washington" pageId="114" pageNumber="115">Washington</collectingRegion>
, minor forms were rare compared to major forms (
<tableCitation id="C69F0377FFC7D96ACA051DA0FC4BF935" box="[858,959,1713,1740]" captionStart="TABLE 14" captionStartId="115.[151,239,1571,1595]" captionTargetPageId="115" captionText="TABLE 14. Summary of the time series graphs for male J. staudei (Figs. 6972). Collections were made by Craig Staude from 23 June 1985 to 23 Feb. 1987 from the pressure head tanks for the marine lab aquaria at Friday Harbor Laboratories, Washington." httpUri="http://table.plazi.org/id/DF626644FFC6D96BC9C81D32FEEAF97A" pageId="114" pageNumber="115" tableUuid="DF626644FFC6D96BC9C81D32FEEAF97A">Table 14</tableCitation>
,
<figureCitation id="13262A49FFC7D96ACA931DA0FBB9F935" box="[972,1101,1713,1740]" captionStart-0="FIGURE 69" captionStart-1="FIGURE 70" captionStart-2="FIGURE 71" captionStart-3="FIGURE 72" captionStartId-0="116.[151,250,1829,1853]" captionStartId-1="117.[151,250,1709,1733]" captionStartId-2="118.[151,250,1692,1716]" captionStartId-3="119.[151,250,1707,1731]" captionTargetBox-0="[215,1374,188,1797]" captionTargetBox-1="[159,1428,220,1635]" captionTargetBox-2="[165,1428,220,1628]" captionTargetBox-3="[165,1424,230,1634]" captionTargetId-0="figure-22@116.[207,1381,181,1805]" captionTargetId-1="figure-18@117.[151,1436,211,1638]" captionTargetId-2="figure-22@118.[151,1436,211,1631]" captionTargetId-3="figure-18@119.[151,1436,219,1637]" captionTargetPageId-0="116" captionTargetPageId-1="117" captionTargetPageId-2="118" captionTargetPageId-3="119" captionText-0="FIGURE 69. Jassa staudei Conlan, 1990. Variation in thumb length relative to body length in males living inside the east pressure head tank at Friday Harbor Laboratories, San Juan Island, Washington, 2 October 1984, C. Staude, coll., IZ1984- 175 (CMN). Arrows refer to the associated gnathopod illustrations. The subadult male had a thumb visible inside the cuticle, indicating that it would molt next into a thumbed adult. Setae omitted except for those around the thumb and spines in order to landmark position changes with growth. All views lateral. Scale 0.1 mm. Linear regression assumptions failed for all plots. Illustration after Conlan (1990)." captionText-1="FIGURE 70. Jassa staudei Conlan, 1990. Variation in thumb length relative to body length in males from populations collected in JuneNov. 1985 from the east pressure head tank at Friday Harbor Laboratories, San Juan Island, Washington, C. Staude, coll., IZ1984-175 (CMN). Linear regression assumptions passed for the adult major form males on 22 Aug. and 23 Oct. 1985. Linear regression statistics: 22 Aug. 1985: Major form, thumb length = -0.359 + 0.144 x body length, r2 = 0.842, n = 27; 23 Oct. 1985: Major form, thumb length = -0.355 + 0.158 x body length, r2 = 0.784, n = 20. Subadult males (those with a thumbed cuticle visible inside the propodus) were not differentiated from juveniles." captionText-2="FIGURE 71. Jassa staudei Conlan, 1990. Variation in thumb length relative to body length in males from populations collected in Dec. 1985July 1986 from the east (Dec.Feb.) or west (Apr.July) pressure head tank at Friday Harbor Laboratories, San Juan Island, Washington, C. Staude, coll., IZ1984-175 (CMN). Linear regression assumptions passed for the adult major form males on 26 Feb. and 3 June 1986. Linear regression statistics: 26 Feb. 1986: Major form, thumb length = -0.910 + 0.215 x body length, r2 = 0.985, n = 10; 3 June 1986: Major form, thumb length = -0.587 + 0.168 x body length, r2 = 0.893, n = 7. Subadult males (those with a thumbed cuticle visible inside the propodus) were not differentiated from juveniles." captionText-3="FIGURE 72. Jassa staudei Conlan, 1990. Variation in thumb length relative to body length in males from populations collected in Oct. 1986Feb. 1987 from the west pressure head tank at Friday Harbor Laboratories, San Juan Island, Washington, C. Staude, coll., IZ1984-175 (CMN). Linear regression assumptions passed for the adult major form males on 26 Jan. and 23 Feb. 1987. Linear regression statistics: 26 Jan. 1987: Major form, thumb length = -0.926 + 0.219 x body length, r2 = 0.906, n = 15; 23 Feb. 1987: Major form, thumb length = -0.766 + 0.198 x body length, r2 = 0.843, n = 26. Subadult males (those with a thumbed cuticle visible inside the propodus) were not differentiated from juveniles." figureDoi-0="http://doi.org/10.5281/zenodo.4580800" figureDoi-1="http://doi.org/10.5281/zenodo.4580802" figureDoi-2="http://doi.org/10.5281/zenodo.4580804" figureDoi-3="http://doi.org/10.5281/zenodo.4580806" httpUri-0="https://zenodo.org/record/4580800/files/figure.png" httpUri-1="https://zenodo.org/record/4580802/files/figure.png" httpUri-2="https://zenodo.org/record/4580804/files/figure.png" httpUri-3="https://zenodo.org/record/4580806/files/figure.png" pageId="114" pageNumber="115">Figs 6972</figureCitation>
).
<location id="8EC26017FFC7D96ACD3E1DA0FB35F932" LSID="urn:lsid:plazi:treatment:03B487DAFFC4D964C9C818B5FD38F814:8EC26017FFC7D96ACD3E1DA0FB35F932" box="[1121,1217,1713,1739]" county="In" municipality="Friday Harbor Laboratories" name="Sampled" pageId="114" pageNumber="115" stateProvince="Washington">Sampled</location>
near-monthly from
<date id="FFA3100CFFC7D96AC9C81DC7FEFCF909" box="[151,264,1749,1776]" pageId="114" pageNumber="115" value="1985-06">
<collectingDate id="EFE7E9E4FFC7D96AC9C81DC7FEFCF909" box="[151,264,1749,1776]" pageId="114" pageNumber="115" value="1985-06">June 1985</collectingDate>
</date>
to
<date id="FFA3100CFFC7D96AC8721DC4FE68F909" box="[301,412,1749,1776]" pageId="114" pageNumber="115" value="1987-02">
<collectingDate id="EFE7E9E4FFC7D96AC8721DC4FE68F909" box="[301,412,1749,1776]" pageId="114" pageNumber="115" value="1987-02">Feb. 1987</collectingDate>
</date>
(
<figureCitation id="13262A49FFC7D96AC8F41DC4FDD9F909" box="[427,557,1749,1776]" captionStart-0="FIGURE 70" captionStart-1="FIGURE 71" captionStart-2="FIGURE 72" captionStartId-0="117.[151,250,1709,1733]" captionStartId-1="118.[151,250,1692,1716]" captionStartId-2="119.[151,250,1707,1731]" captionTargetBox-0="[159,1428,220,1635]" captionTargetBox-1="[165,1428,220,1628]" captionTargetBox-2="[165,1424,230,1634]" captionTargetId-0="figure-18@117.[151,1436,211,1638]" captionTargetId-1="figure-22@118.[151,1436,211,1631]" captionTargetId-2="figure-18@119.[151,1436,219,1637]" captionTargetPageId-0="117" captionTargetPageId-1="118" captionTargetPageId-2="119" captionText-0="FIGURE 70. Jassa staudei Conlan, 1990. Variation in thumb length relative to body length in males from populations collected in JuneNov. 1985 from the east pressure head tank at Friday Harbor Laboratories, San Juan Island, Washington, C. Staude, coll., IZ1984-175 (CMN). Linear regression assumptions passed for the adult major form males on 22 Aug. and 23 Oct. 1985. Linear regression statistics: 22 Aug. 1985: Major form, thumb length = -0.359 + 0.144 x body length, r2 = 0.842, n = 27; 23 Oct. 1985: Major form, thumb length = -0.355 + 0.158 x body length, r2 = 0.784, n = 20. Subadult males (those with a thumbed cuticle visible inside the propodus) were not differentiated from juveniles." captionText-1="FIGURE 71. Jassa staudei Conlan, 1990. Variation in thumb length relative to body length in males from populations collected in Dec. 1985July 1986 from the east (Dec.Feb.) or west (Apr.July) pressure head tank at Friday Harbor Laboratories, San Juan Island, Washington, C. Staude, coll., IZ1984-175 (CMN). Linear regression assumptions passed for the adult major form males on 26 Feb. and 3 June 1986. Linear regression statistics: 26 Feb. 1986: Major form, thumb length = -0.910 + 0.215 x body length, r2 = 0.985, n = 10; 3 June 1986: Major form, thumb length = -0.587 + 0.168 x body length, r2 = 0.893, n = 7. Subadult males (those with a thumbed cuticle visible inside the propodus) were not differentiated from juveniles." captionText-2="FIGURE 72. Jassa staudei Conlan, 1990. Variation in thumb length relative to body length in males from populations collected in Oct. 1986Feb. 1987 from the west pressure head tank at Friday Harbor Laboratories, San Juan Island, Washington, C. Staude, coll., IZ1984-175 (CMN). Linear regression assumptions passed for the adult major form males on 26 Jan. and 23 Feb. 1987. Linear regression statistics: 26 Jan. 1987: Major form, thumb length = -0.926 + 0.219 x body length, r2 = 0.906, n = 15; 23 Feb. 1987: Major form, thumb length = -0.766 + 0.198 x body length, r2 = 0.843, n = 26. Subadult males (those with a thumbed cuticle visible inside the propodus) were not differentiated from juveniles." figureDoi-0="http://doi.org/10.5281/zenodo.4580802" figureDoi-1="http://doi.org/10.5281/zenodo.4580804" figureDoi-2="http://doi.org/10.5281/zenodo.4580806" httpUri-0="https://zenodo.org/record/4580802/files/figure.png" httpUri-1="https://zenodo.org/record/4580804/files/figure.png" httpUri-2="https://zenodo.org/record/4580806/files/figure.png" pageId="114" pageNumber="115">Figs 7072</figureCitation>
), major forms achieved a greater body length than minor forms on average and always had longer thumbs relative to body length than the minor forms (
<tableCitation id="C69F0377FFC7D96ACAE51DE8FBEAF8ED" box="[954,1054,1785,1812]" captionStart="TABLE 14" captionStartId="115.[151,239,1571,1595]" captionTargetPageId="115" captionText="TABLE 14. Summary of the time series graphs for male J. staudei (Figs. 6972). Collections were made by Craig Staude from 23 June 1985 to 23 Feb. 1987 from the pressure head tanks for the marine lab aquaria at Friday Harbor Laboratories, Washington." httpUri="http://table.plazi.org/id/DF626644FFC6D96BC9C81D32FEEAF97A" pageId="114" pageNumber="115" tableUuid="DF626644FFC6D96BC9C81D32FEEAF97A">Table 14</tableCitation>
). Average major form body length was 8.5 ±
<quantity id="4CE59B29FFC7D96AC8591C0FFEADF8C1" box="[262,345,1822,1848]" metricMagnitude="-3" metricUnit="m" metricValue="1.1" pageId="114" pageNumber="115" unit="mm" value="1.1">1.1 mm</quantity>
(
<emphasis id="B969EADEFFC7D96AC8371C0FFE82F8CE" box="[360,374,1822,1847]" italics="true" pageId="114" pageNumber="115">n</emphasis>
= 276), witha range of
<quantity id="4CE59B29FFC7D96ACB251C0FFCFBF8C1" box="[634,783,1822,1848]" metricMagnitude="-3" metricUnit="m" metricValue="7.75" metricValueMax="10.7" metricValueMin="4.8" pageId="114" pageNumber="115" unit="mm" value="7.75" valueMax="10.7" valueMin="4.8">4.810.7 mm</quantity>
. The smallest major form was found in
<date id="FFA3100CFFC7D96ACDE31C0CFA9EF8C1" box="[1212,1386,1821,1848]" pageId="114" pageNumber="115" value="1985-12">
<collectingDate id="EFE7E9E4FFC7D96ACDE31C0CFA9EF8C1" box="[1212,1386,1821,1848]" pageId="114" pageNumber="115" value="1985-12">December 1985</collectingDate>
</date>
(
<quantity id="4CE59B29FFC7D96ACC271C0FFF30F8A5" metricMagnitude="-3" metricUnit="m" metricValue="4.8" pageId="114" pageNumber="115" unit="mm" value="4.8">4.8 mm</quantity>
) and largest in
<date id="FFA3100CFFC7D96AC8351C50FDF4F8A2" box="[362,512,1857,1883]" pageId="114" pageNumber="115" value="1986-10">
<collectingDate id="EFE7E9E4FFC7D96AC8351C50FDF4F8A2" box="[362,512,1857,1883]" pageId="114" pageNumber="115" value="1986-10">October 1986</collectingDate>
</date>
(
<quantity id="4CE59B29FFC7D96ACB501C53FD82F8A5" box="[527,630,1858,1884]" metricMagnitude="-2" metricUnit="m" metricValue="1.0699999999999998" pageId="114" pageNumber="115" unit="mm" value="10.7">10.7 mm</quantity>
). Only 19 minor forms were found over the 18 samplings, giving an overall ratio for minor to major of 0.069:1. Average minor form body length was 5.7 ±
<quantity id="4CE59B29FFC7D96ACD761C77FB75F879" box="[1065,1153,1894,1920]" metricMagnitude="-4" metricUnit="m" metricValue="8.0" pageId="114" pageNumber="115" unit="mm" value="0.8">0.8 mm</quantity>
. The smallest minor form was found in
<date id="FFA3100CFFC7D96AC8751C98FE2AF85D" box="[298,478,1929,1956]" pageId="114" pageNumber="115" value="1985-09">
<collectingDate id="EFE7E9E4FFC7D96AC8751C98FE2AF85D" box="[298,478,1929,1956]" pageId="114" pageNumber="115" value="1985-09">September 1985</collectingDate>
</date>
(
<quantity id="4CE59B29FFC7D96AC8B31C9BFDB7F85D" box="[492,579,1930,1956]" metricMagnitude="-3" metricUnit="m" metricValue="3.8" pageId="114" pageNumber="115" unit="mm" value="3.8">3.8 mm</quantity>
) and the largest in
<date id="FFA3100CFFC7D96ACA4E1C9BFC16F85A" box="[785,994,1929,1956]" pageId="114" pageNumber="115" value="1986-06" valueMax="1986-07-31" valueMin="1986-06-00">
<collectingDate id="EFE7E9E4FFC7D96ACA4E1C9BFC16F85A" box="[785,994,1929,1956]" pageId="114" pageNumber="115" value="1986-06" valueMax="1986-07-31" valueMin="1986-06-00">June and July 1986</collectingDate>
</date>
(
<quantity id="4CE59B29FFC7D96ACAAE1C98FBBFF85D" box="[1009,1099,1929,1956]" metricMagnitude="-3" metricUnit="m" metricValue="6.6" pageId="114" pageNumber="115" unit="mm" value="6.6">6.6 mm</quantity>
). Juvenile males were found in all samplings with a maximum body length of 9.0 mm found in
<date id="FFA3100CFFC7D96ACA051CBCFC00F83E" box="[858,1012,1965,1991]" pageId="114" pageNumber="115" value="1986-10">
<collectingDate id="EFE7E9E4FFC7D96ACA051CBCFC00F83E" box="[858,1012,1965,1991]" pageId="114" pageNumber="115" value="1986-10">October 1986</collectingDate>
</date>
. However, large juveniles close to this size were found in most of the other collections as well
</materialsCitation>
.
</paragraph>
<paragraph id="8BA236CCFFC6D96BC9981B86FC3DFEB8" blockId="115.[151,1437,151,321]" pageId="115" pageNumber="116">
<materialsCitation id="3B753C91FFC6D96BC9981B86FC31FEB8" ID-GBIF-Occurrence="3097971309" collectorName="Pt. Delgada" location="Wouwer Island" municipality="North America" pageId="115" pageNumber="116" specimenCount="1" stateProvince="Washington">
Minor forms were also rare in four geographically varying populations collected in June along the western coast of
<collectingMunicipality id="6BC6ACB6FFC6D96BC9E91BAAFEAFFF2C" box="[182,347,187,213]" pageId="115" pageNumber="116">North America</collectingMunicipality>
(
<figureCitation id="13262A49FFC6D96BC8341BAAFE4AFF2C" box="[363,446,187,213]" captionStart="FIGURE 73" captionStartId="120.[151,250,1693,1717]" captionTargetBox="[377,1213,192,1668]" captionTargetId="figure-22@120.[366,1222,181,1669]" captionTargetPageId="120" captionText="FIGURE 73. Jassa staudei Conlan, 1990. Variation in thumb length relative to body length in thumbed males from four populations collected in June on the Pacific coast of North America, ordered by latitude.West side of Wouwer Island, British Columbia, 27 June 1976, E. L. Bousfield, coll., station B7, low water collection, bedrock, Phyllospadix, kelp, sponges, ~12 °C, ~32+ psu, 1976-157 (CMN). Friday Harbor Laboratories, San Juan Island, Washington, west pressure head tank for marine lab aquaria, 3 June 1986, C. Staude, coll., IZ1984-175 (CMN). Shelter Cove, Point Delgada, California: 5 June 1986, P. Shaw, coll., formalin wash of open coast shallow subtidal algae and bryozoans (Aglaophenia Lamouroux, 1812),&gt;33psu, rocky coast, strong surge. Albion Cove, California, 29 June 1978, J.R. Chess, coll., airlift pump of fouling community on rock substrate, 20 m depth, IZ1986-071 (CMN). Linear regression assumptions passed for the adult major form males at Friday Harbor and Point Delgada. Linear regression statistics: Friday Harbor: Major form, thumb length = -0.587+ 0.168 x body length, r2 = 0.893, n = 7; Point Delgada: Major form, thumb length = -0.489 + 0.168 x body length, r2 = 0.885, n = 8." figureDoi="http://doi.org/10.5281/zenodo.4580808" httpUri="https://zenodo.org/record/4580808/files/figure.png" pageId="115" pageNumber="116">Fig. 73</figureCitation>
). Average body length of major form males was greatest at the protected location (Friday Harbor,
<collectingRegion id="49D9F82EFFC6D96BC9AD1BCEFE8DFF00" box="[242,377,223,249]" country="United States of America" name="Washington" pageId="115" pageNumber="116">Washington</collectingRegion>
: 8.69 ±
<quantity id="4CE59B29FFC6D96BC88B1BCEFDC8FF00" box="[468,572,223,249]" metricMagnitude="-3" metricUnit="m" metricValue="1.31" pageId="115" pageNumber="116" unit="mm" value="1.31">1.31 mm</quantity>
). Among the three other locations, which were on exposed Pacific coasts, average body length increased southwards, from
<location id="8EC26017FFC6D96BCBFB1A12FCA4FEE4" LSID="urn:lsid:plazi:treatment:03B487DAFFC4D964C9C818B5FD38F814:8EC26017FFC6D96BCBFB1A12FCA4FEE4" box="[676,848,259,285]" municipality="North America" name="Wouwer Island" pageId="115" pageNumber="116" stateProvince="Washington">Wouwer Island</location>
,
<collectingRegion id="49D9F82EFFC6D96BCA031A12FBE9FEE4" box="[860,1053,259,285]" country="Canada" name="British Columbia" pageId="115" pageNumber="116">British Columbia</collectingRegion>
(4.93 ±
<quantity id="4CE59B29FFC6D96BCD201A13FB11FEE4" box="[1151,1253,258,285]" metricMagnitude="-4" metricUnit="m" metricValue="5.699999999999999" pageId="115" pageNumber="116" unit="mm" value="0.57">0.57 mm</quantity>
) to
<collectorName id="26E8531AFFC6D96BCC4C1A12FA6DFEE4" box="[1299,1433,259,285]" pageId="115" pageNumber="116">Pt. Delgada</collectorName>
,
<collectingRegion id="49D9F82EFFC6D96BC9C81A36FEF2FEB8" box="[151,262,295,321]" country="United States of America" name="California" pageId="115" pageNumber="116">California</collectingRegion>
(5.86 ±
<quantity id="4CE59B29FFC6D96BC83C1A37FE33FEB8" box="[355,455,294,321]" metricMagnitude="-4" metricUnit="m" metricValue="5.0" pageId="115" pageNumber="116" unit="mm" value="0.5">0.50 mm</quantity>
) to Albion Cove,
<collectingRegion id="49D9F82EFFC6D96BCBD41A36FD0EFEB8" box="[651,762,295,321]" country="United States of America" name="California" pageId="115" pageNumber="116">California</collectingRegion>
(7.92 ±
<quantity id="4CE59B29FFC6D96BCA081A36FC49FEB8" box="[855,957,295,321]" metricMagnitude="-4" metricUnit="m" metricValue="8.2" pageId="115" pageNumber="116" unit="mm" value="0.82">0.82 mm</quantity>
)
</materialsCitation>
.
</paragraph>
<caption id="DF626644FFC6D96BC9C81E5AFDF7FA0A" ID-DOI="http://doi.org/10.5281/zenodo.4580798" ID-Zenodo-Dep="4580798" httpUri="https://zenodo.org/record/4580798/files/figure.png" pageId="115" pageNumber="116" startId="115.[151,250,1355,1379]" targetBox="[156,1398,346,1332]" targetPageId="115">
<paragraph id="8BA236CCFFC6D96BC9C81E5AFDF7FA0A" blockId="115.[151,1437,1355,1524]" pageId="115" pageNumber="116">
<emphasis id="B969EADEFFC6D96BC9C81E5AFED5FA9A" bold="true" box="[151,289,1355,1379]" pageId="115" pageNumber="116">FIGURE 68.</emphasis>
<taxonomicName id="4C1D4D4FFFC6D96BC8761E5DFDB3FA9D" authority="Conlan, 1990" authorityName="Conlan" authorityYear="1990" box="[297,583,1355,1380]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="115" pageNumber="116" phylum="Arthropoda" rank="species" species="staudei">
<emphasis id="B969EADEFFC6D96BC8761E5DFE46FA9A" box="[297,434,1355,1379]" italics="true" pageId="115" pageNumber="116">Jassa staudei</emphasis>
<bibRefCitation id="EF8C4B3DFFC6D96BC8E51E5AFDB3FA9D" author="Conlan, K. E." box="[442,583,1355,1380]" pageId="115" pageNumber="116" pagination="2031 - 2075" refId="ref90850" refString="Conlan, K. E. (1990) Revision of the crustacean amphipod genus Jassa Leach (Corophioidea: Ischyroceridae). Canadian Journal of Zoology, 68, 2031 - 2075. https: // doi. org / 10.1139 / z 90 - 288" type="journal article" year="1990">Conlan, 1990</bibRefCitation>
</taxonomicName>
. Holotype, adult male, major form, 6.0 mm, NMCC 1987-1074; allotype, adult female, 5.5 mm, NMCC 1987-1075; paratype, adult male 1, minor form, 5.1 mm, NMCC 1987-1076. Adult male 2, minor form, 4.2 mm, Edward King Island, British Columbia, 10 July 1976, E. L. Bousfield, coll., station B28, dip net collection at low water, amongst
<taxonomicName id="4C1D4D4FFFC6D96BC9AB1EA6FE8CFA36" authorityName="Hooker" authorityYear="1840" box="[244,376,1463,1487]" class="Liliopsida" family="Zosteraceae" genus="Phyllospadix" kingdom="Plantae" order="Alismatales" pageId="115" pageNumber="116" phylum="Tracheophyta" rank="genus">
<emphasis id="B969EADEFFC6D96BC9AB1EA6FE8CFA36" box="[244,376,1463,1487]" italics="true" pageId="115" pageNumber="116">Phyllospadix</emphasis>
</taxonomicName>
, kelp, sponges and under rock, 1976-157 (CMN). All views medial. Appendages are of the holotype unless noted otherwise. Scale 0.1 mm.
</paragraph>
</caption>
<caption id="DF626644FFC6D96BC9C81D32FEEAF97A" ID-Table-UUID="DF626644FFC6D96BC9C81D32FEEAF97A" httpUri="http://table.plazi.org/id/DF626644FFC6D96BC9C81D32FEEAF97A" pageId="115" pageNumber="116" startId="115.[151,239,1571,1595]" targetBox="[166,1409,1684,2021]" targetIsTable="true" targetPageId="115">
<paragraph id="8BA236CCFFC6D96BC9C81D32FEEAF97A" blockId="115.[151,1437,1571,1667]" pageId="115" pageNumber="116">
<emphasis id="B969EADEFFC6D96BC9C81D32FEE3F9C2" bold="true" box="[151,279,1571,1595]" pageId="115" pageNumber="116">TABLE 14.</emphasis>
Summary of the time series graphs for male
<taxonomicName id="4C1D4D4FFFC6D96BCBAD1D35FCA3F9C2" authorityName="Conlan" authorityYear="1990" box="[754,855,1571,1595]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="115" pageNumber="116" phylum="Arthropoda" rank="species" species="staudei">
<emphasis id="B969EADEFFC6D96BCBAD1D35FCA3F9C2" box="[754,855,1571,1595]" italics="true" pageId="115" pageNumber="116">J. staudei</emphasis>
</taxonomicName>
(Figs. 6972). Collections were made by Craig Staude from 23 June 1985 to 23 Feb. 1987 from the pressure head tanks for the marine lab aquaria at Friday Harbor Laboratories, Washington.
</paragraph>
</caption>
<paragraph id="8BA236CCFFC6D96BC8E31D85FAFFF81C" pageId="115" pageNumber="116">
<table id="F91DC46CFFC626E7C9F91D85FA75F81C" box="[166,1409,1684,2021]" gridcols="7" gridrows="7" pageId="115" pageNumber="116">
<tr id="352D348EFFC626E7C9F91D85FA75F955" box="[166,1409,1684,1708]" gridrow="0" pageId="115" pageNumber="116" rowspan-0="1">
<th id="76FC5DF2FFC626E7C81F1D85FD63F955" box="[320,663,1684,1708]" colspan="2" colspanRight="1" gridcol="1" gridrow="0" pageId="115" pageNumber="116">Major form</th>
<th id="76FC5DF2FFC626E7CB941D85FBFFF955" box="[715,1035,1684,1708]" colspan="2" colspanRight="1" gridcol="3" gridrow="0" pageId="115" pageNumber="116">Minor form</th>
<th id="76FC5DF2FFC626E7CD6C1D85FA75F955" box="[1075,1409,1684,1708]" colspan="2" colspanRight="1" gridcol="5" gridrow="0" pageId="115" pageNumber="116">Juvenile</th>
</tr>
<tr id="352D348EFFC626E7C9F91DADFA75F901" box="[166,1409,1724,1784]" gridrow="1" pageId="115" pageNumber="116" rowspan-0="1">
<td id="76FC5DF2FFC626E7C81F1DADFE3CF901" box="[320,456,1724,1784]" gridcol="1" gridrow="1" pageId="115" pageNumber="116">Body length (mm)</td>
<td id="76FC5DF2FFC626E7C8AE1DADFD63F901" box="[497,663,1724,1784]" gridcol="2" gridrow="1" pageId="115" pageNumber="116">Thumb length (mm)</td>
<td id="76FC5DF2FFC626E7CB941DADFCBAF901" box="[715,846,1724,1784]" gridcol="3" gridrow="1" pageId="115" pageNumber="116">Body length (mm)</td>
<td id="76FC5DF2FFC626E7CA2D1DADFBFFF901" box="[882,1035,1724,1784]" gridcol="4" gridrow="1" pageId="115" pageNumber="116">Thumb length (mm)</td>
<td id="76FC5DF2FFC626E7CD6C1DADFB48F901" box="[1075,1212,1724,1784]" gridcol="5" gridrow="1" pageId="115" pageNumber="116">Body length (mm)</td>
<td id="76FC5DF2FFC626E7CDBA1DADFA75F901" box="[1253,1409,1724,1784]" gridcol="6" gridrow="1" pageId="115" pageNumber="116">Thumb length (mm)</td>
</tr>
<tr id="352D348EFFC626E7C9F91C19FA75F8D9" box="[166,1409,1800,1824]" gridrow="2" pageId="115" pageNumber="116">
<th id="76FC5DF2FFC626E7C9F91C19FEE4F8D9" box="[166,272,1800,1824]" gridcol="0" gridrow="2" pageId="115" pageNumber="116">Average</th>
<td id="76FC5DF2FFC626E7C81F1C19FE3CF8D9" box="[320,456,1800,1824]" gridcol="1" gridrow="2" pageId="115" pageNumber="116">8.5</td>
<td id="76FC5DF2FFC626E7C8AE1C19FD63F8D9" box="[497,663,1800,1824]" gridcol="2" gridrow="2" pageId="115" pageNumber="116">0.9</td>
<td id="76FC5DF2FFC626E7CB941C19FCBAF8D9" box="[715,846,1800,1824]" gridcol="3" gridrow="2" pageId="115" pageNumber="116">5.7</td>
<td id="76FC5DF2FFC626E7CA2D1C19FBFFF8D9" box="[882,1035,1800,1824]" gridcol="4" gridrow="2" pageId="115" pageNumber="116">0.2</td>
<td id="76FC5DF2FFC626E7CD6C1C19FB48F8D9" box="[1075,1212,1800,1824]" gridcol="5" gridrow="2" pageId="115" pageNumber="116">6.9</td>
<td id="76FC5DF2FFC626E7CDBA1C19FA75F8D9" box="[1253,1409,1800,1824]" gridcol="6" gridrow="2" pageId="115" pageNumber="116">0.0</td>
</tr>
<tr id="352D348EFFC626E7C9F91C21FA75F895" box="[166,1409,1840,1900]" gridrow="3" pageId="115" pageNumber="116">
<th id="76FC5DF2FFC626E7C9F91C21FEE4F895" box="[166,272,1840,1900]" gridcol="0" gridrow="3" pageId="115" pageNumber="116">Standard deviation</th>
<td id="76FC5DF2FFC626E7C81F1C21FE3CF895" box="[320,456,1840,1900]" gridcol="1" gridrow="3" pageId="115" pageNumber="116">1.1</td>
<td id="76FC5DF2FFC626E7C8AE1C21FD63F895" box="[497,663,1840,1900]" gridcol="2" gridrow="3" pageId="115" pageNumber="116">0.2</td>
<td id="76FC5DF2FFC626E7CB941C21FCBAF895" box="[715,846,1840,1900]" gridcol="3" gridrow="3" pageId="115" pageNumber="116">0.8</td>
<td id="76FC5DF2FFC626E7CA2D1C21FBFFF895" box="[882,1035,1840,1900]" gridcol="4" gridrow="3" pageId="115" pageNumber="116">0.1</td>
<td id="76FC5DF2FFC626E7CD6C1C21FB48F895" box="[1075,1212,1840,1900]" gridcol="5" gridrow="3" pageId="115" pageNumber="116">1.3</td>
<td id="76FC5DF2FFC626E7CDBA1C21FA75F895" box="[1253,1409,1840,1900]" gridcol="6" gridrow="3" pageId="115" pageNumber="116">0.0</td>
</tr>
<tr id="352D348EFFC626E7C9F91C6CFA75F86C" box="[166,1409,1917,1941]" gridrow="4" pageId="115" pageNumber="116">
<th id="76FC5DF2FFC626E7C9F91C6CFEE4F86C" box="[166,272,1917,1941]" gridcol="0" gridrow="4" pageId="115" pageNumber="116">Minimum</th>
<td id="76FC5DF2FFC626E7C81F1C6CFE3CF86C" box="[320,456,1917,1941]" gridcol="1" gridrow="4" pageId="115" pageNumber="116">4.8</td>
<td id="76FC5DF2FFC626E7C8AE1C6CFD63F86C" box="[497,663,1917,1941]" gridcol="2" gridrow="4" pageId="115" pageNumber="116">0.2</td>
<td id="76FC5DF2FFC626E7CB941C6CFCBAF86C" box="[715,846,1917,1941]" gridcol="3" gridrow="4" pageId="115" pageNumber="116">3.8</td>
<td id="76FC5DF2FFC626E7CA2D1C6CFBFFF86C" box="[882,1035,1917,1941]" gridcol="4" gridrow="4" pageId="115" pageNumber="116">0.1</td>
<td id="76FC5DF2FFC626E7CD6C1C6CFB48F86C" box="[1075,1212,1917,1941]" gridcol="5" gridrow="4" pageId="115" pageNumber="116">2.3</td>
<td id="76FC5DF2FFC626E7CDBA1C6CFA75F86C" box="[1253,1409,1917,1941]" gridcol="6" gridrow="4" pageId="115" pageNumber="116">0.0</td>
</tr>
<tr id="352D348EFFC626E7C9F91CB4FA75F844" box="[166,1409,1957,1981]" gridrow="5" pageId="115" pageNumber="116">
<th id="76FC5DF2FFC626E7C9F91CB4FEE4F844" box="[166,272,1957,1981]" gridcol="0" gridrow="5" pageId="115" pageNumber="116">Maximum</th>
<td id="76FC5DF2FFC626E7C81F1CB4FE3CF844" box="[320,456,1957,1981]" gridcol="1" gridrow="5" pageId="115" pageNumber="116">10.7</td>
<td id="76FC5DF2FFC626E7C8AE1CB4FD63F844" box="[497,663,1957,1981]" gridcol="2" gridrow="5" pageId="115" pageNumber="116">1.4</td>
<td id="76FC5DF2FFC626E7CB941CB4FCBAF844" box="[715,846,1957,1981]" gridcol="3" gridrow="5" pageId="115" pageNumber="116">6.6</td>
<td id="76FC5DF2FFC626E7CA2D1CB4FBFFF844" box="[882,1035,1957,1981]" gridcol="4" gridrow="5" pageId="115" pageNumber="116">0.3</td>
<td id="76FC5DF2FFC626E7CD6C1CB4FB48F844" box="[1075,1212,1957,1981]" gridcol="5" gridrow="5" pageId="115" pageNumber="116">9.0</td>
<td id="76FC5DF2FFC626E7CDBA1CB4FA75F844" box="[1253,1409,1957,1981]" gridcol="6" gridrow="5" pageId="115" pageNumber="116">0.0</td>
</tr>
<tr id="352D348EFFC626E7C9F91CDCFA75F81C" box="[166,1409,1997,2021]" gridrow="6" pageId="115" pageNumber="116">
<th id="76FC5DF2FFC626E7C9F91CDCFEE4F81C" box="[166,272,1997,2021]" gridcol="0" gridrow="6" pageId="115" pageNumber="116">n</th>
<td id="76FC5DF2FFC626E7C81F1CDCFE3CF81C" box="[320,456,1997,2021]" gridcol="1" gridrow="6" pageId="115" pageNumber="116">276</td>
<td id="76FC5DF2FFC626E7C8AE1CDCFD63F81C" box="[497,663,1997,2021]" gridcol="2" gridrow="6" pageId="115" pageNumber="116">276</td>
<td id="76FC5DF2FFC626E7CB941CDCFCBAF81C" box="[715,846,1997,2021]" gridcol="3" gridrow="6" pageId="115" pageNumber="116">19</td>
<td id="76FC5DF2FFC626E7CA2D1CDCFBFFF81C" box="[882,1035,1997,2021]" gridcol="4" gridrow="6" pageId="115" pageNumber="116">19</td>
<td id="76FC5DF2FFC626E7CD6C1CDCFB48F81C" box="[1075,1212,1997,2021]" gridcol="5" gridrow="6" pageId="115" pageNumber="116">270</td>
<td id="76FC5DF2FFC626E7CDBA1CDCFA75F81C" box="[1253,1409,1997,2021]" gridcol="6" gridrow="6" pageId="115" pageNumber="116">270</td>
</tr>
</table>
</paragraph>
<caption id="DF626644FFC1D96CC9C81C34FE28F808" ID-DOI="http://doi.org/10.5281/zenodo.4580800" ID-Zenodo-Dep="4580800" httpUri="https://zenodo.org/record/4580800/files/figure.png" pageId="116" pageNumber="117" startId="116.[151,250,1829,1853]" targetBox="[215,1374,188,1797]" targetPageId="116">
<paragraph id="8BA236CCFFC1D96CC9C81C34FE28F808" blockId="116.[151,1437,1829,2033]" pageId="116" pageNumber="117">
<emphasis id="B969EADEFFC1D96CC9C81C34FED7F8C4" bold="true" box="[151,291,1829,1853]" pageId="116" pageNumber="117">FIGURE 69.</emphasis>
<taxonomicName id="4C1D4D4FFFC1D96CC8741C37FDB9F8C4" authority="Conlan, 1990" authorityName="Conlan" authorityYear="1990" box="[299,589,1829,1853]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="116" pageNumber="117" phylum="Arthropoda" rank="species" species="staudei">
<emphasis id="B969EADEFFC1D96CC8741C37FE42F8C4" box="[299,438,1829,1853]" italics="true" pageId="116" pageNumber="117">Jassa staudei</emphasis>
<bibRefCitation id="EF8C4B3DFFC1D96CC8E01C34FDB9F8C4" author="Conlan, K. E." box="[447,589,1829,1853]" pageId="116" pageNumber="117" pagination="2031 - 2075" refId="ref90850" refString="Conlan, K. E. (1990) Revision of the crustacean amphipod genus Jassa Leach (Corophioidea: Ischyroceridae). Canadian Journal of Zoology, 68, 2031 - 2075. https: // doi. org / 10.1139 / z 90 - 288" type="journal article" year="1990">Conlan, 1990</bibRefCitation>
</taxonomicName>
. Variation in thumb length relative to body length in males living inside the east pressure head tank at Friday Harbor Laboratories, San Juan Island, Washington, 2 October 1984, C. Staude, coll., IZ1984- 175 (CMN). Arrows refer to the associated gnathopod illustrations. The subadult male had a thumb visible inside the cuticle, indicating that it would molt next into a thumbed adult. Setae omitted except for those around the thumb and spines in order to landmark position changes with growth. All views lateral. Scale 0.1 mm. Linear regression assumptions failed for all plots. Illustration after
<bibRefCitation id="EF8C4B3DFFC1D96CC81E1CC8FE2CF808" author="Conlan, K. E." box="[321,472,2009,2033]" pageId="116" pageNumber="117" pagination="2031 - 2075" refId="ref90850" refString="Conlan, K. E. (1990) Revision of the crustacean amphipod genus Jassa Leach (Corophioidea: Ischyroceridae). Canadian Journal of Zoology, 68, 2031 - 2075. https: // doi. org / 10.1139 / z 90 - 288" type="journal article" year="1990">Conlan (1990)</bibRefCitation>
.
</paragraph>
</caption>
<caption id="DF626644FFC0D96DC9C81DBCFC73F880" ID-DOI="http://doi.org/10.5281/zenodo.4580802" ID-Zenodo-Dep="4580802" httpUri="https://zenodo.org/record/4580802/files/figure.png" pageId="117" pageNumber="118" startId="117.[151,250,1709,1733]" targetBox="[159,1428,220,1635]" targetPageId="117">
<paragraph id="8BA236CCFFC0D96DC9C81DBCFC73F880" blockId="117.[151,1437,1709,1913]" pageId="117" pageNumber="118">
<emphasis id="B969EADEFFC0D96DC9C81DBCFEEBF93C" bold="true" box="[151,287,1709,1733]" pageId="117" pageNumber="118">FIGURE 70.</emphasis>
<taxonomicName id="4C1D4D4FFFC0D96DC87A1DBFFDC9F93C" authority="Conlan, 1990" authorityName="Conlan" authorityYear="1990" box="[293,573,1709,1733]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="117" pageNumber="118" phylum="Arthropoda" rank="species" species="staudei">
<emphasis id="B969EADEFFC0D96DC87A1DBFFE58F93C" box="[293,428,1709,1733]" italics="true" pageId="117" pageNumber="118">Jassa staudei</emphasis>
<bibRefCitation id="EF8C4B3DFFC0D96DC8EE1DBCFDC9F93C" author="Conlan, K. E." box="[433,573,1709,1733]" pageId="117" pageNumber="118" pagination="2031 - 2075" refId="ref90850" refString="Conlan, K. E. (1990) Revision of the crustacean amphipod genus Jassa Leach (Corophioidea: Ischyroceridae). Canadian Journal of Zoology, 68, 2031 - 2075. https: // doi. org / 10.1139 / z 90 - 288" type="journal article" year="1990">Conlan, 1990</bibRefCitation>
</taxonomicName>
. Variation in thumb length relative to body length in males from populations collected in JuneNov. 1985 from the east pressure head tank at Friday Harbor Laboratories, San Juan Island, Washington, C. Staude, coll., IZ1984-175 (CMN). Linear regression assumptions passed for the adult major form males on 22 Aug. and 23 Oct. 1985. Linear regression statistics: 22 Aug. 1985: Major form, thumb length = -0.359 + 0.144 x body length,
<emphasis id="B969EADEFFC0D96DCDE51C0BFB3FF8DF" box="[1210,1227,1816,1841]" italics="true" pageId="117" pageNumber="118">
r
<superScript id="7C689B84FFC0D96DCD9B1C09FB3FF8DF" attach="left" box="[1220,1227,1816,1830]" fontSize="6" pageId="117" pageNumber="118">2</superScript>
</emphasis>
= 0.842,
<emphasis id="B969EADEFFC0D96DCC6F1C0BFAC9F8C8" box="[1328,1341,1818,1841]" italics="true" pageId="117" pageNumber="118">n</emphasis>
= 27; 23 Oct. 1985: Major form, thumb length = -0.355 + 0.158 x body length,
<emphasis id="B969EADEFFC0D96DCA031C2FFC99F8B3" box="[860,877,1852,1877]" italics="true" pageId="117" pageNumber="118">
r
<superScript id="7C689B84FFC0D96DCA391C2DFC99F8B3" attach="left" box="[870,877,1852,1866]" fontSize="6" pageId="117" pageNumber="118">2</superScript>
</emphasis>
= 0.784,
<emphasis id="B969EADEFFC0D96DCA921C2FFC2EF8AC" box="[973,986,1854,1877]" italics="true" pageId="117" pageNumber="118">n</emphasis>
= 20. Subadult males (those with a thumbed cuticle visible inside the propodus) were not differentiated from juveniles.
</paragraph>
</caption>
<caption id="DF626644FFC3D96EC9C81D8DFB45F891" ID-DOI="http://doi.org/10.5281/zenodo.4580804" ID-Zenodo-Dep="4580804" httpUri="https://zenodo.org/record/4580804/files/figure.png" pageId="118" pageNumber="119" startId="118.[151,250,1692,1716]" targetBox="[165,1428,220,1628]" targetPageId="118">
<paragraph id="8BA236CCFFC3D96EC9C81D8DFB45F891" blockId="118.[151,1437,1692,1896]" pageId="118" pageNumber="119">
<emphasis id="B969EADEFFC3D96EC9C81D8DFEEBF94D" bold="true" box="[151,287,1692,1716]" pageId="118" pageNumber="119">FIGURE 71.</emphasis>
<taxonomicName id="4C1D4D4FFFC3D96EC87A1D8CFDC9F94D" authority="Conlan, 1990" authorityName="Conlan" authorityYear="1990" box="[293,573,1692,1716]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="118" pageNumber="119" phylum="Arthropoda" rank="species" species="staudei">
<emphasis id="B969EADEFFC3D96EC87A1D8CFE58F94D" box="[293,428,1692,1716]" italics="true" pageId="118" pageNumber="119">Jassa staudei</emphasis>
<bibRefCitation id="EF8C4B3DFFC3D96EC8EE1D8DFDC9F94D" author="Conlan, K. E." box="[433,573,1692,1716]" pageId="118" pageNumber="119" pagination="2031 - 2075" refId="ref90850" refString="Conlan, K. E. (1990) Revision of the crustacean amphipod genus Jassa Leach (Corophioidea: Ischyroceridae). Canadian Journal of Zoology, 68, 2031 - 2075. https: // doi. org / 10.1139 / z 90 - 288" type="journal article" year="1990">Conlan, 1990</bibRefCitation>
</taxonomicName>
. Variation in thumb length relative to body length in males from populations collected in Dec. 1985July 1986 from the east (Dec.Feb.) or west (Apr.July) pressure head tank at Friday Harbor Laboratories, San Juan Island, Washington, C. Staude, coll., IZ1984-175 (CMN). Linear regression assumptions passed for the adult major form males on 26 Feb. and 3 June 1986. Linear regression statistics: 26 Feb. 1986: Major form, thumb length = -0.910 + 0.215 x body length,
<emphasis id="B969EADEFFC3D96EC9BB1C3CFF01F8C0" box="[228,245,1835,1860]" italics="true" pageId="118" pageNumber="119">
r
<superScript id="7C689B84FFC3D96EC9B11C3AFF01F8C0" attach="left" box="[238,245,1835,1849]" fontSize="6" pageId="118" pageNumber="119">2</superScript>
</emphasis>
= 0.985,
<emphasis id="B969EADEFFC3D96EC8081C3CFE90F8BD" box="[343,356,1837,1860]" italics="true" pageId="118" pageNumber="119">n</emphasis>
= 10; 3 June 1986: Major form, thumb length = -0.587 + 0.168 x body length,
<emphasis id="B969EADEFFC3D96ECDD31C3CFB69F8C0" box="[1164,1181,1835,1860]" italics="true" pageId="118" pageNumber="119">
r
<superScript id="7C689B84FFC3D96ECDC91C3AFB69F8C0" attach="left" box="[1174,1181,1835,1849]" fontSize="6" pageId="118" pageNumber="119">2</superScript>
</emphasis>
= 0.893,
<emphasis id="B969EADEFFC3D96ECC5F1C3CFAF9F8BD" box="[1280,1293,1837,1860]" italics="true" pageId="118" pageNumber="119">n</emphasis>
= 7. Subadult males (those with a thumbed cuticle visible inside the propodus) were not differentiated from juveniles.
</paragraph>
</caption>
<caption id="DF626644FFC2D96FC9C81DBAFC73F881" ID-DOI="http://doi.org/10.5281/zenodo.4580806" ID-Zenodo-Dep="4580806" httpUri="https://zenodo.org/record/4580806/files/figure.png" pageId="119" pageNumber="120" startId="119.[151,250,1707,1731]" targetBox="[165,1424,230,1634]" targetPageId="119">
<paragraph id="8BA236CCFFC2D96FC9C81DBAFC73F881" blockId="119.[151,1437,1707,1912]" pageId="119" pageNumber="120">
<emphasis id="B969EADEFFC2D96FC9C81DBAFED6F93A" bold="true" box="[151,290,1707,1731]" pageId="119" pageNumber="120">FIGURE 72.</emphasis>
<taxonomicName id="4C1D4D4FFFC2D96FC8751DBDFDBFF93D" authority="Conlan, 1990" authorityName="Conlan" authorityYear="1990" box="[298,587,1708,1732]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="119" pageNumber="120" phylum="Arthropoda" rank="species" species="staudei">
<emphasis id="B969EADEFFC2D96FC8751DBDFE40F93D" box="[298,436,1708,1732]" italics="true" pageId="119" pageNumber="120">Jassa staudei</emphasis>
<bibRefCitation id="EF8C4B3DFFC2D96FC8E21DBDFDBFF93D" author="Conlan, K. E." box="[445,587,1708,1732]" pageId="119" pageNumber="120" pagination="2031 - 2075" refId="ref90850" refString="Conlan, K. E. (1990) Revision of the crustacean amphipod genus Jassa Leach (Corophioidea: Ischyroceridae). Canadian Journal of Zoology, 68, 2031 - 2075. https: // doi. org / 10.1139 / z 90 - 288" type="journal article" year="1990">Conlan, 1990</bibRefCitation>
</taxonomicName>
. Variation in thumb length relative to body length in males from populations collected in Oct. 1986Feb. 1987 from the west pressure head tank at Friday Harbor Laboratories, San Juan Island, Washington, C. Staude, coll., IZ1984-175 (CMN). Linear regression assumptions passed for the adult major form males on 26 Jan. and 23 Feb. 1987. Linear regression statistics: 26 Jan. 1987: Major form, thumb length = -0.926 + 0.219 x body length,
<emphasis id="B969EADEFFC2D96FCD971C09FB2DF8DD" box="[1224,1241,1814,1839]" italics="true" pageId="119" pageNumber="120">
r
<superScript id="7C689B84FFC2D96FCD8D1C07FB2DF8DD" attach="left" box="[1234,1241,1814,1828]" fontSize="6" pageId="119" pageNumber="120">2</superScript>
</emphasis>
= 0.906,
<emphasis id="B969EADEFFC2D96FCC681C09FAB0F8D6" box="[1335,1348,1816,1839]" italics="true" pageId="119" pageNumber="120">n</emphasis>
= 15; 23 Feb. 1987: Major form, thumb length = -0.766 + 0.198 x body length,
<emphasis id="B969EADEFFC2D96FCA021C2DFC9AF8B1" box="[861,878,1850,1875]" italics="true" pageId="119" pageNumber="120">
r
<superScript id="7C689B84FFC2D96FCA381C2BFC9AF8B1" attach="left" box="[871,878,1850,1864]" fontSize="6" pageId="119" pageNumber="120">2</superScript>
</emphasis>
= 0.843,
<emphasis id="B969EADEFFC2D96FCA911C2DFC2FF8AA" box="[974,987,1852,1875]" italics="true" pageId="119" pageNumber="120">n</emphasis>
= 26. Subadult males (those with a thumbed cuticle visible inside the propodus) were not differentiated from juveniles.
</paragraph>
</caption>
<caption id="DF626644FFCDD960C9C81D8CFC08F803" ID-DOI="http://doi.org/10.5281/zenodo.4580808" ID-Zenodo-Dep="4580808" httpUri="https://zenodo.org/record/4580808/files/figure.png" pageId="120" pageNumber="121" startId="120.[151,250,1693,1717]" targetBox="[377,1213,192,1668]" targetPageId="120">
<paragraph id="8BA236CCFFCDD960C9C81D8CFC08F803" blockId="120.[151,1437,1693,2042]" pageId="120" pageNumber="121">
<emphasis id="B969EADEFFCDD960C9C81D8CFEEBF94C" bold="true" box="[151,287,1693,1717]" pageId="120" pageNumber="121">FIGURE 73.</emphasis>
<taxonomicName id="4C1D4D4FFFCDD960C87B1D8FFDCFF94F" authority="Conlan, 1990" authorityName="Conlan" authorityYear="1990" box="[292,571,1693,1718]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="120" pageNumber="121" phylum="Arthropoda" rank="species" species="staudei">
<emphasis id="B969EADEFFCDD960C87B1D8FFE5FF94C" box="[292,427,1693,1717]" italics="true" pageId="120" pageNumber="121">Jassa staudei</emphasis>
<bibRefCitation id="EF8C4B3DFFCDD960C8EF1D8CFDCFF94F" author="Conlan, K. E." box="[432,571,1693,1718]" pageId="120" pageNumber="121" pagination="2031 - 2075" refId="ref90850" refString="Conlan, K. E. (1990) Revision of the crustacean amphipod genus Jassa Leach (Corophioidea: Ischyroceridae). Canadian Journal of Zoology, 68, 2031 - 2075. https: // doi. org / 10.1139 / z 90 - 288" type="journal article" year="1990">Conlan, 1990</bibRefCitation>
</taxonomicName>
. Variation in thumb length relative to body length in thumbed males from four populations collected in June on the Pacific coast of North America, ordered by latitude. West side of Wouwer Island, British Columbia, 27 June 1976, E. L. Bousfield, coll., station B7, low water collection, bedrock,
<taxonomicName id="4C1D4D4FFFCDD960CAE51DF4FBCAF904" authorityName="Hooker" authorityYear="1840" box="[954,1086,1765,1789]" class="Liliopsida" family="Zosteraceae" genus="Phyllospadix" kingdom="Plantae" order="Alismatales" pageId="120" pageNumber="121" phylum="Tracheophyta" rank="genus">
<emphasis id="B969EADEFFCDD960CAE51DF4FBCAF904" box="[954,1086,1765,1789]" italics="true" pageId="120" pageNumber="121">Phyllospadix</emphasis>
</taxonomicName>
, kelp, sponges, ~12 °C, ~32+ psu, 1976-157 (CMN). Friday Harbor Laboratories, San Juan Island, Washington, west pressure head tank for marine lab aquaria, 3 June 1986, C. Staude, coll., IZ1984-175 (CMN). Shelter Cove, Point Delgada, California: 5 June 1986, P. Shaw, coll., formalin wash of open coast shallow subtidal algae and bryozoans (
<taxonomicName id="4C1D4D4FFFCDD960CBB31C40FBDAF893" authority="Lamouroux, 1812" authorityName="Lamouroux" authorityYear="1812" box="[748,1070,1873,1898]" class="Hydrozoa" family="Aglaopheniidae" genus="Aglaophenia" kingdom="Animalia" order="Leptothecata" pageId="120" pageNumber="121" phylum="Cnidaria" rank="genus">
<emphasis id="B969EADEFFCDD960CBB31C40FC99F890" box="[748,877,1873,1897]" italics="true" pageId="120" pageNumber="121">Aglaophenia</emphasis>
Lamouroux, 1812
</taxonomicName>
),&gt;33psu, rocky coast, strong surge. Albion Cove, California, 29 June 1978, J.R. Chess, coll., airlift pump of fouling community on rock substrate, 20 m depth, IZ1986-071 (CMN). Linear regression assumptions passed for the adult major form males at Friday Harbor and Point Delgada. Linear regression statistics: Friday Harbor: Major form, thumb length = -0.587+ 0.168 x body length,
<emphasis id="B969EADEFFCDD960CDF11CAFFB4BF833" box="[1198,1215,1980,2005]" italics="true" pageId="120" pageNumber="121">
r
<superScript id="7C689B84FFCDD960CDE71CADFB4BF833" attach="left" box="[1208,1215,1980,1994]" fontSize="6" pageId="120" pageNumber="121">2</superScript>
</emphasis>
= 0.893,
<emphasis id="B969EADEFFCDD960CC7D1CAFFADBF82C" box="[1314,1327,1982,2005]" italics="true" pageId="120" pageNumber="121">n</emphasis>
= 7; Point Delgada: Major form, thumb length = -0.489 + 0.168 x body length,
<emphasis id="B969EADEFFCDD960CA0F1CF3FC95F817" box="[848,865,2016,2041]" italics="true" pageId="120" pageNumber="121">
r
<superScript id="7C689B84FFCDD960CA051CF1FC95F817" attach="left" box="[858,865,2016,2030]" fontSize="6" pageId="120" pageNumber="121">2</superScript>
</emphasis>
= 0.885,
<emphasis id="B969EADEFFCDD960CA9D1CF3FC3BF800" box="[962,975,2018,2041]" italics="true" pageId="120" pageNumber="121">n</emphasis>
= 8.
</paragraph>
</caption>
<caption id="DF626644FFCCD961C9C81F76FB1FFB3E" ID-DOI="http://doi.org/10.5281/zenodo.4580812" ID-Zenodo-Dep="4580812" httpUri="https://zenodo.org/record/4580812/files/figure.png" pageId="121" pageNumber="122" startId="121.[151,250,1127,1151]" targetBox="[179,1412,185,1099]" targetPageId="121">
<paragraph id="8BA236CCFFCCD961C9C81F76FB1FFB3E" blockId="121.[151,1437,1127,1224]" pageId="121" pageNumber="122">
<emphasis id="B969EADEFFCCD961C9C81F76FEEBFB86" bold="true" box="[151,287,1127,1151]" pageId="121" pageNumber="122">FIGURE 74.</emphasis>
<taxonomicName id="4C1D4D4FFFCCD961C87B1F79FDCFFB79" authority="Conlan, 1990" authorityName="Conlan" authorityYear="1990" box="[292,571,1127,1152]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="121" pageNumber="122" phylum="Arthropoda" rank="species" species="staudei">
<emphasis id="B969EADEFFCCD961C87B1F79FE5FFB86" box="[292,427,1127,1151]" italics="true" pageId="121" pageNumber="122">Jassa staudei</emphasis>
<bibRefCitation id="EF8C4B3DFFCCD961C8EF1F76FDCFFB79" author="Conlan, K. E." box="[432,571,1127,1152]" pageId="121" pageNumber="122" pagination="2031 - 2075" refId="ref90850" refString="Conlan, K. E. (1990) Revision of the crustacean amphipod genus Jassa Leach (Corophioidea: Ischyroceridae). Canadian Journal of Zoology, 68, 2031 - 2075. https: // doi. org / 10.1139 / z 90 - 288" type="journal article" year="1990">Conlan, 1990</bibRefCitation>
</taxonomicName>
. Variation in gnathopod 2 propodus length relative to body length in adult and juvenile males and females in a population from Albion Cove, California, 29 June 1978, J.R. Chess, coll., airlift pump of fouling community on rock substrate, 20 m depth, IZ1986-071 (CMN). Linear regression assumptions failed for all plots.
</paragraph>
</caption>
<paragraph id="8BA236CCFFCCD961C9981FE7FD86F91D" blockId="121.[151,1437,1270,2016]" pageId="121" pageNumber="122">
The Albion Cove population was also assessed for length of the gnathopod 2 propodus relative to body length (
<figureCitation id="13262A49FFCCD961C9C01E0BFF05FACD" box="[159,241,1306,1332]" captionStart="FIGURE 74" captionStartId="121.[151,250,1127,1151]" captionTargetBox="[179,1412,185,1099]" captionTargetId="figure-18@121.[172,1416,181,1103]" captionTargetPageId="121" captionText="FIGURE 74. Jassa staudei Conlan, 1990. Variation in gnathopod 2 propodus length relative to body length in adult and juvenile males and females in a population from Albion Cove, California, 29 June 1978, J.R. Chess, coll., airlift pump of fouling community on rock substrate, 20 m depth, IZ1986-071 (CMN). Linear regression assumptions failed for all plots." figureDoi="http://doi.org/10.5281/zenodo.4580812" httpUri="https://zenodo.org/record/4580812/files/figure.png" pageId="121" pageNumber="122">Fig. 74</figureCitation>
). For the four groups that were sufficiently numerous to measure, the relationship of propodus to body length appeared to be isometric for females and allometric for males. However, the data failed one or more assumptions of normality, constant variance or independence of residuals and so regressions were not applied.Adult major form males (
<emphasis id="B969EADEFFCCD961C9FF1E97FF5AFA66" box="[160,174,1414,1439]" italics="true" pageId="121" pageNumber="122">n</emphasis>
= 10) were considerably greater in body length (7.92 ±
<quantity id="4CE59B29FFCCD961CA4A1E97FC8EFA59" box="[789,890,1414,1440]" metricMagnitude="-4" metricUnit="m" metricValue="8.2" pageId="121" pageNumber="122" unit="mm" value="0.82">0.82 mm</quantity>
,
<emphasis id="B969EADEFFCCD961CADA1E97FC67FA66" box="[901,915,1414,1439]" italics="true" pageId="121" pageNumber="122">n</emphasis>
= 10), than adult females (6.07 ±
<quantity id="4CE59B29FFCCD961CC571E97FA99FA59" box="[1288,1389,1414,1440]" metricMagnitude="-4" metricUnit="m" metricValue="7.9" pageId="121" pageNumber="122" unit="mm" value="0.79">0.79 mm</quantity>
,
<emphasis id="B969EADEFFCCD961CC271E97FA72FA66" box="[1400,1414,1414,1439]" italics="true" pageId="121" pageNumber="122">n</emphasis>
= 19) and had a longer propodus as well (2.85 ±
<quantity id="4CE59B29FFCCD961CBCA1EB8FD02FA3D" box="[661,758,1449,1476]" metricMagnitude="-4" metricUnit="m" metricValue="4.5" pageId="121" pageNumber="122" unit="mm" value="0.45">0.45 mm</quantity>
vs 1.28 ±
<quantity id="4CE59B29FFCCD961CA371EBBFC3BFA3D" box="[872,975,1450,1476]" metricMagnitude="-4" metricUnit="m" metricValue="1.9" pageId="121" pageNumber="122" unit="mm" value="0.19">0.19 mm</quantity>
). Of the
<specimenCount id="9D1BFD45FFCCD961CD731EBBFB53FA3D" box="[1068,1191,1450,1476]" pageId="121" pageNumber="122" type="juvenile">23 juvenile</specimenCount>
males measured, only one overlapped the major form adult males in body length (
<quantity id="4CE59B29FFCCD961CA761EDFFC7BFA11" box="[809,911,1486,1512]" metricMagnitude="-3" metricUnit="m" metricValue="7.17" pageId="121" pageNumber="122" unit="mm" value="7.17">7.17 mm</quantity>
) but its propodus length (
<quantity id="4CE59B29FFCCD961CDF51EDFFAFBFA11" box="[1194,1295,1486,1512]" metricMagnitude="-3" metricUnit="m" metricValue="1.84" pageId="121" pageNumber="122" unit="mm" value="1.84">1.84 mm</quantity>
) was shorter than any of the major form adults that were of similar size (propodus length 2.31 ±
<quantity id="4CE59B29FFCCD961CD781EE3FB78F9F5" box="[1063,1164,1522,1548]" metricMagnitude="-4" metricUnit="m" metricValue="1.2" pageId="121" pageNumber="122" unit="mm" value="0.12">0.12 mm</quantity>
, body length 6.89 ±
<quantity id="4CE59B29FFCCD961CC331EE3FF31F9C9" metricMagnitude="-4" metricUnit="m" metricValue="1.9" pageId="121" pageNumber="122" unit="mm" value="0.19">0.19 mm</quantity>
,
<emphasis id="B969EADEFFCCD961C98F1D07FF2AF9D6" box="[208,222,1558,1583]" italics="true" pageId="121" pageNumber="122">n</emphasis>
= 3). For the females, there was no overlap in body length between juveniles and adults. However, for juvenile females and juvenile males, propodus length was similar among small sized individuals of both sexes but diverged in larger juveniles with a longer propodus in the males than females. However, the differences in the median propodus length between the juvenile males (
<emphasis id="B969EADEFFCCD961CB781D93FDC1F962" box="[551,565,1666,1691]" italics="true" pageId="121" pageNumber="122">n</emphasis>
= 8) and adult females (
<emphasis id="B969EADEFFCCD961CA151D93FCACF962" box="[842,856,1666,1691]" italics="true" pageId="121" pageNumber="122">n</emphasis>
= 19) that overlapped in body length (5.08.0 mm) were not great enough to exclude the possibility that the difference was due to random sampling variability (ANOVA,
<emphasis id="B969EADEFFCCD961C9951DDBFF2FF91A" box="[202,219,1738,1763]" italics="true" pageId="121" pageNumber="122">F</emphasis>
= 3.651,
<emphasis id="B969EADEFFCCD961C8191DDBFEA0F91A" box="[326,340,1738,1763]" italics="true" pageId="121" pageNumber="122">p</emphasis>
= 0.068,
<emphasis id="B969EADEFFCCD961C8E01DDBFDF1F91A" box="[447,517,1738,1763]" italics="true" pageId="121" pageNumber="122">power</emphasis>
= 0.332).
</paragraph>
<paragraph id="8BA236CCFFCCD964C9901DFFFCAAFA28" blockId="121.[151,1437,1270,2016]" lastBlockId="124.[151,1437,1247,2029]" lastPageId="124" lastPageNumber="125" pageId="121" pageNumber="122">
<figureCitation id="13262A49FFCCD961C9901DFFFEEBF8FE" box="[207,287,1773,1800]" captionStart="FIGURE 76" captionStartId="123.[151,250,1803,1827]" captionTargetBox="[151,1436,181,1779]" captionTargetId="figure-18@123.[151,1436,181,1779]" captionTargetPageId="123" captionText="FIGURE 76. Jassa staudei Conlan, 1990. East pressure head tank at Friday Harbor Laboratories, San Juan Island, Washington, 26 Dec. 1986, C. Staude, coll., IZ1984-175 (CMN). Antenna 2, tip of flagellum. A, adult female, 9.0 mm; B, magnification of A, arrow showing the same seta as in A; C, subadult male, 7.5 mm; D, magnification of C, arrow showing the same seta as in C. A and C x1200; B and D x4700." figureDoi="http://doi.org/10.5281/zenodo.4580818" httpUri="https://zenodo.org/record/4580818/files/figure.png" pageId="121" pageNumber="122">Fig. 76</figureCitation>
shows magnifications of the second antenna flagellum in an adult female (A, B) and a subadult male (C, D). For suspension feeding, the second antennae are splayed out ~90°to either side of the body and the antennal setae spread widely. Along with the splayed first antennae, this provides a near 180°wide net for the capture of drifting particles. The curved spines at the flagellum tip (A) and scaled setae (B) are adaptations for deposited (spines) and suspended (scales) food capture.
<figureCitation id="13262A49FFCCD961CB651C6FFD69F86E" box="[570,669,1917,1944]" captionStart="FIGURE 76" captionStartId="123.[151,250,1803,1827]" captionTargetBox="[151,1436,181,1779]" captionTargetId="figure-18@123.[151,1436,181,1779]" captionTargetPageId="123" captionText="FIGURE 76. Jassa staudei Conlan, 1990. East pressure head tank at Friday Harbor Laboratories, San Juan Island, Washington, 26 Dec. 1986, C. Staude, coll., IZ1984-175 (CMN). Antenna 2, tip of flagellum. A, adult female, 9.0 mm; B, magnification of A, arrow showing the same seta as in A; C, subadult male, 7.5 mm; D, magnification of C, arrow showing the same seta as in C. A and C x1200; B and D x4700." figureDoi="http://doi.org/10.5281/zenodo.4580818" httpUri="https://zenodo.org/record/4580818/files/figure.png" pageId="121" pageNumber="122">Fig. 76B</figureCitation>
shows that the scales cover the anterior length of the filter setae and wrap around the setae only partially, so the posterior length is bare. Possibly this arrangement improves capture of small particles which are then scraped by the medial setae of the first and second gnathopods, mandibular palps and maxilliped palps. The antennal setae are also used to capture particles on the uropods, when the urosome is bent under the body toward the head (pers. obs. on
<taxonomicName id="4C1D4D4FFFC9D964CBCB1E15FCDFFAE4" authorityName="Holmes" authorityYear="1905" box="[660,811,1284,1309]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="124" pageNumber="125" phylum="Arthropoda" rank="species" species="marmorata">
<emphasis id="B969EADEFFC9D964CBCB1E15FCDFFAE4" box="[660,811,1284,1309]" italics="true" pageId="124" pageNumber="125">J. marmorata</emphasis>
</taxonomicName>
). The plumose setae typical of larger individuals of both sexes are visible in the subadult male (
<figureCitation id="13262A49FFC9D964CB1E1E36FD3CFAB8" box="[577,712,1319,1345]" captionStart="FIGURE 76" captionStartId="123.[151,250,1803,1827]" captionTargetBox="[151,1436,181,1779]" captionTargetId="figure-18@123.[151,1436,181,1779]" captionTargetPageId="123" captionText="FIGURE 76. Jassa staudei Conlan, 1990. East pressure head tank at Friday Harbor Laboratories, San Juan Island, Washington, 26 Dec. 1986, C. Staude, coll., IZ1984-175 (CMN). Antenna 2, tip of flagellum. A, adult female, 9.0 mm; B, magnification of A, arrow showing the same seta as in A; C, subadult male, 7.5 mm; D, magnification of C, arrow showing the same seta as in C. A and C x1200; B and D x4700." figureDoi="http://doi.org/10.5281/zenodo.4580818" httpUri="https://zenodo.org/record/4580818/files/figure.png" pageId="124" pageNumber="125">Fig. 76C, D</figureCitation>
). The tip of the plumose seta, visible in
<figureCitation id="13262A49FFC9D964CDDF1E36FB11FAB8" box="[1152,1253,1319,1345]" captionStart="FIGURE 76" captionStartId="123.[151,250,1803,1827]" captionTargetBox="[151,1436,181,1779]" captionTargetId="figure-18@123.[151,1436,181,1779]" captionTargetPageId="123" captionText="FIGURE 76. Jassa staudei Conlan, 1990. East pressure head tank at Friday Harbor Laboratories, San Juan Island, Washington, 26 Dec. 1986, C. Staude, coll., IZ1984-175 (CMN). Antenna 2, tip of flagellum. A, adult female, 9.0 mm; B, magnification of A, arrow showing the same seta as in A; C, subadult male, 7.5 mm; D, magnification of C, arrow showing the same seta as in C. A and C x1200; B and D x4700." figureDoi="http://doi.org/10.5281/zenodo.4580818" httpUri="https://zenodo.org/record/4580818/files/figure.png" pageId="124" pageNumber="125">Fig. 76D</figureCitation>
, has unextended plumes, giving the tip a bulbous appearance. The function of these plumose setae is presumably for sexual sensing since it occurs in adults and subadults but not juveniles. Plumosity can be dense in some species (e.g., in
<emphasis id="B969EADEFFC9D964CC751E61FD56FA54" italics="true" pageId="124" pageNumber="125">
<taxonomicName id="4C1D4D4FFFC9D964CC751E61FA6CFA70" authorityName="Conlan" authorityYear="1990" box="[1322,1432,1391,1417]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="124" pageNumber="125" phylum="Arthropoda" rank="species" species="staudei">J. staudei</taxonomicName>
,
<taxonomicName id="4C1D4D4FFFC9D964C9C81E85FEF6FA54" authorityName=": Krapp-Schickel" authorityYear="1974" box="[151,258,1427,1453]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="124" pageNumber="125" phylum="Arthropoda" rank="species" species="falcata">J. falcata</taxonomicName>
,
<taxonomicName id="4C1D4D4FFFC9D964C8521E85FE71FA54" authorityName="Conlan" authorityYear="1990" box="[269,389,1427,1453]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="124" pageNumber="125" phylum="Arthropoda" rank="species" species="slatteryi">J. slatteryi</taxonomicName>
,
<taxonomicName id="4C1D4D4FFFC9D964C8CF1E85FE03FA54" authorityName="Conlan" authorityYear="1990" box="[400,503,1427,1453]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="124" pageNumber="125" phylum="Arthropoda" rank="species" species="oclairi">J. oclairi</taxonomicName>
,
<taxonomicName id="4C1D4D4FFFC9D964CB5C1E85FD56FA54" authorityName="Conlan" authorityYear="1990" box="[515,674,1427,1453]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="124" pageNumber="125" phylum="Arthropoda" rank="species" species="borowskyae">J. borowskyae</taxonomicName>
</emphasis>
), though in all species there is a modification of setation on the posterior part of the antenna 2 flagellum at least in the adult males.
</paragraph>
<caption id="DF626644FFCFD962C9C81C5DFAEAF829" ID-DOI="http://doi.org/10.5281/zenodo.4580814" ID-Zenodo-Dep="4580814" httpUri="https://zenodo.org/record/4580814/files/figure.png" pageId="122" pageNumber="123" startId="122.[151,250,1868,1892]" targetBox="[160,1436,189,1844]" targetPageId="122">
<paragraph id="8BA236CCFFCFD962C9C81C5DFAEAF829" blockId="122.[151,1437,1868,2000]" pageId="122" pageNumber="123">
<emphasis id="B969EADEFFCFD962C9C81C5DFEEBF89D" bold="true" box="[151,287,1868,1892]" pageId="122" pageNumber="123">FIGURE 75.</emphasis>
<taxonomicName id="4C1D4D4FFFCFD962C87B1C5CFDCEF89D" authority="Conlan, 1990" authorityName="Conlan" authorityYear="1990" box="[292,570,1868,1892]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="122" pageNumber="123" phylum="Arthropoda" rank="species" species="staudei">
<emphasis id="B969EADEFFCFD962C87B1C5CFE5EF89D" box="[292,426,1868,1892]" italics="true" pageId="122" pageNumber="123">Jassa staudei</emphasis>
<bibRefCitation id="EF8C4B3DFFCFD962C8EF1C5DFDCEF89D" author="Conlan, K. E." box="[432,570,1868,1892]" pageId="122" pageNumber="123" pagination="2031 - 2075" refId="ref90850" refString="Conlan, K. E. (1990) Revision of the crustacean amphipod genus Jassa Leach (Corophioidea: Ischyroceridae). Canadian Journal of Zoology, 68, 2031 - 2075. https: // doi. org / 10.1139 / z 90 - 288" type="journal article" year="1990">Conlan, 1990</bibRefCitation>
</taxonomicName>
. Holotype, adult male, major form, 6.0 mm, NMCC 1987-1074. North side of Wouwer Island, Broken Group, Barkley Sound, Vancouver Island, British Columbia (48°51.06ʹN, 125°21.08ʹW), 27 June 1976, E. L. Bousfield, coll., station B7, dip net collection at low water, amongst
<taxonomicName id="4C1D4D4FFFCFD962CA191C85FB9CF855" authority="Hooker (1840)" authorityName="Hooker" authorityYear="1840" box="[838,1128,1940,1964]" class="Liliopsida" family="Zosteraceae" genus="Phyllospadix" kingdom="Plantae" order="Alismatales" pageId="122" pageNumber="123" phylum="Tracheophyta" rank="genus">
<emphasis id="B969EADEFFCFD962CA191C85FC3EF855" box="[838,970,1940,1964]" italics="true" pageId="122" pageNumber="123">Phyllospadix</emphasis>
Hooker (1840)
</taxonomicName>
, kelp, sponges and under rock, 1976-157 (CMN). Mouthparts. Frontal view: upper lip; lateral view: maxilla 1; other views medial. Scale 0.1 mm.
</paragraph>
</caption>
<caption id="DF626644FFCED963C9C81C1AFE0FF876" ID-DOI="http://doi.org/10.5281/zenodo.4580818" ID-Zenodo-Dep="4580818" httpUri="https://zenodo.org/record/4580818/files/figure.png" pageId="123" pageNumber="124" startId="123.[151,250,1803,1827]" targetBox="[151,1436,181,1779]" targetPageId="123">
<paragraph id="8BA236CCFFCED963C9C81C1AFE0FF876" blockId="123.[151,1437,1803,1935]" pageId="123" pageNumber="124">
<emphasis id="B969EADEFFCED963C9C81C1AFED4F8DA" bold="true" box="[151,288,1803,1827]" pageId="123" pageNumber="124">FIGURE 76.</emphasis>
<taxonomicName id="4C1D4D4FFFCED963C87A1C1DFDCAF8DA" authority="Conlan, 1990" authorityName="Conlan" authorityYear="1990" box="[293,574,1803,1827]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="123" pageNumber="124" phylum="Arthropoda" rank="species" species="staudei">
<emphasis id="B969EADEFFCED963C87A1C1DFE58F8DA" box="[293,428,1803,1827]" italics="true" pageId="123" pageNumber="124">Jassa staudei</emphasis>
<bibRefCitation id="EF8C4B3DFFCED963C8ED1C1AFDCAF8DA" author="Conlan, K. E." box="[434,574,1803,1827]" pageId="123" pageNumber="124" pagination="2031 - 2075" refId="ref90850" refString="Conlan, K. E. (1990) Revision of the crustacean amphipod genus Jassa Leach (Corophioidea: Ischyroceridae). Canadian Journal of Zoology, 68, 2031 - 2075. https: // doi. org / 10.1139 / z 90 - 288" type="journal article" year="1990">Conlan, 1990</bibRefCitation>
</taxonomicName>
. East pressure head tank at Friday Harbor Laboratories, San Juan Island, Washington, 26 Dec. 1986, C. Staude, coll., IZ1984-175 (CMN). Antenna 2, tip of flagellum. A, adult female, 9.0 mm; B, magnification of A, arrow showing the same seta as in A; C, subadult male, 7.5 mm; D, magnification of C, arrow showing the same seta as in C. Aand C x1200; Band D x4700.
</paragraph>
</caption>
<caption id="DF626644FFC9D964C9C81F65FA8FFB48" ID-DOI="http://doi.org/10.5281/zenodo.4580820" ID-Zenodo-Dep="4580820" httpUri="https://zenodo.org/record/4580820/files/figure.png" pageId="124" pageNumber="125" startId="124.[151,250,1140,1164]" targetBox="[225,1363,181,1117]" targetPageId="124">
<paragraph id="8BA236CCFFC9D964C9C81F65FA8FFB48" blockId="124.[151,1436,1140,1201]" pageId="124" pageNumber="125">
<emphasis id="B969EADEFFC9D964C9C81F65FEEBFB74" bold="true" box="[151,287,1140,1165]" pageId="124" pageNumber="125">FIGURE 77.</emphasis>
<taxonomicName id="4C1D4D4FFFC9D964C87A1F64FDC9FB74" authority="Conlan, 1990" authorityName="Conlan" authorityYear="1990" box="[293,573,1141,1165]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="124" pageNumber="125" phylum="Arthropoda" rank="species" species="staudei">
<emphasis id="B969EADEFFC9D964C87A1F64FE58FB74" box="[293,428,1141,1165]" italics="true" pageId="124" pageNumber="125">Jassa staudei</emphasis>
<bibRefCitation id="EF8C4B3DFFC9D964C8ED1F64FDC9FB74" author="Conlan, K. E." box="[434,573,1141,1165]" pageId="124" pageNumber="125" pagination="2031 - 2075" refId="ref90850" refString="Conlan, K. E. (1990) Revision of the crustacean amphipod genus Jassa Leach (Corophioidea: Ischyroceridae). Canadian Journal of Zoology, 68, 2031 - 2075. https: // doi. org / 10.1139 / z 90 - 288" type="journal article" year="1990">Conlan, 1990</bibRefCitation>
</taxonomicName>
. Adult male, major form, 9.0 mm. East pressure head tank at Friday Harbor Laboratories, San Juan Island, Washington, 26 Dec. 1986, C. Staude, coll, IZ1984-175 (CMN). Uropod 3, tip of outer ramus. x1200.
</paragraph>
</caption>
<paragraph id="8BA236CCFFC9D964C9981ECAFCAEF9E0" blockId="124.[151,1437,1247,2029]" pageId="124" pageNumber="125">
<figureCitation id="13262A49FFC9D964C9981ECAFEE2FA0C" box="[199,278,1499,1525]" captionStart="FIGURE 77" captionStartId="124.[151,250,1140,1164]" captionTargetBox="[225,1363,181,1117]" captionTargetId="figure-22@124.[225,1363,181,1117]" captionTargetPageId="124" captionText="FIGURE 77. Jassa staudei Conlan, 1990. Adult male, major form, 9.0 mm. East pressure head tank at Friday Harbor Laboratories, San Juan Island, Washington, 26 Dec. 1986, C. Staude, coll, IZ1984-175 (CMN). Uropod 3, tip of outer ramus. x1200." figureDoi="http://doi.org/10.5281/zenodo.4580820" httpUri="https://zenodo.org/record/4580820/files/figure.png" pageId="124" pageNumber="125">Fig. 77</figureCitation>
shows an unusual cusping at the tip of the third uropod outer ramus with four cusps rather than the usual two proximal to the basally immersed, dorsally recurved spine.
</paragraph>
<paragraph id="8BA236CCFFC9D964C9981D32FD38F814" blockId="124.[151,1437,1247,2029]" pageId="124" pageNumber="125">
<bibRefCitation id="EF8C4B3DFFC9D964C9981D32FE2EF9C4" author="Piola, R. &amp; Conwell, C." box="[199,474,1571,1597]" pageId="124" pageNumber="125" refId="ref102865" refString="Piola, R. &amp; Conwell, C. (2010) Vessel biofouling as a vector for the introduction of non-indigenous marine species to New Zealand: Fishing vessels. Biosecurity New Zealand Technical Paper No.: 2010 / 11. Prepared for Biosecurity New Zealand Post-clearance Directorate for Project 08 - 10840. 57 pp. Available from: https: // www. mpi. govt. nz / dmsdocument / 7335 / direct (accessed 20 January 2021)" type="book" year="2010">Piola &amp; Conwell (2010)</bibRefCitation>
(repeated by
<bibRefCitation id="EF8C4B3DFFC9D964CB251D32FC4EF9C4" author="Marchini, A. &amp; Cardeccia, A." box="[634,954,1571,1597]" pageId="124" pageNumber="125" pagination="164 - 169" refId="ref99657" refString="Marchini, A. &amp; Cardeccia, A. (2017) Alien amphipods in a sea of troubles: cryptogenic species, unresolved taxonomy and overlooked introductions. Marine Biology, 164, 164 - 169. https: // doi. org / 10.1007 / s 00227 - 017 - 3093 - 1" type="journal article" year="2017">Marchini &amp; Cardeccia 2017</bibRefCitation>
) reported
<taxonomicName id="4C1D4D4FFFC9D964CD6F1D35FB69F9C4" authorityName="Conlan" authorityYear="1990" box="[1072,1181,1571,1597]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="124" pageNumber="125" phylum="Arthropoda" rank="species" species="staudei">
<emphasis id="B969EADEFFC9D964CD6F1D35FB69F9C4" box="[1072,1181,1571,1597]" italics="true" pageId="124" pageNumber="125">J. staudei</emphasis>
</taxonomicName>
fouling a fishing boat docked in
<collectingCountry id="F30A765CFFC9D964C8561D56FE69F998" box="[265,413,1607,1633]" name="New Zealand" pageId="124" pageNumber="125">New Zealand</collectingCountry>
(location not given). It had been identified by NIWAs Marine Invasives Taxonomic Service (MITS) but this identification has not been confirmed. If it is correct, this would be the first instance of
<taxonomicName id="4C1D4D4FFFC9D964CC6F1D7DFA68F97C" authorityName="Conlan" authorityYear="1990" box="[1328,1436,1643,1669]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="124" pageNumber="125" phylum="Arthropoda" rank="species" species="staudei">
<emphasis id="B969EADEFFC9D964CC6F1D7DFA68F97C" box="[1328,1436,1643,1669]" italics="true" pageId="124" pageNumber="125">J. staudei</emphasis>
</taxonomicName>
having been found outside the North Pacific. The point of origin of the fishing boat was not indicated. The study embraced fishing boats only from
<collectingCountry id="F30A765CFFC9D964CB751DA2FD65F934" box="[554,657,1715,1741]" name="Australia" pageId="124" pageNumber="125">Australia</collectingCountry>
/
<collectingCountry id="F30A765CFFC9D964CBC61DA2FCC1F934" box="[665,821,1715,1741]" name="New Zealand" pageId="124" pageNumber="125">New Zealand</collectingCountry>
, the Northwest Pacific, and the South Pacific. If the fouling species was
<taxonomicName id="4C1D4D4FFFC9D964C8221DEDFE1EF8EC" authorityName="Conlan" authorityYear="1990" box="[381,490,1787,1813]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="124" pageNumber="125" phylum="Arthropoda" rank="species" species="staudei">
<emphasis id="B969EADEFFC9D964C8221DEDFE1EF8EC" box="[381,490,1787,1813]" italics="true" pageId="124" pageNumber="125">J. staudei</emphasis>
</taxonomicName>
, it would have been likely that the fishing boat was from
<taxonomicName id="4C1D4D4FFFC9D964CDDF1DEDFB18F8EC" authorityName="Conlan" authorityYear="1990" box="[1152,1260,1787,1813]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="124" pageNumber="125" phylum="Arthropoda" rank="species" species="staudei">
<emphasis id="B969EADEFFC9D964CDDF1DEDFB18F8EC" box="[1152,1260,1787,1813]" italics="true" pageId="124" pageNumber="125">J. staudei</emphasis>
</taxonomicName>
s home region, the Northwest Pacific. However, the two boats sampled from this region recorded no fouling.
<taxonomicName id="4C1D4D4FFFC9D964CDE01C31FAA2F8C0" authorityName="Conlan" authorityYear="1990" box="[1215,1366,1823,1849]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="124" pageNumber="125" phylum="Arthropoda" rank="species" species="staudei">
<emphasis id="B969EADEFFC9D964CDE01C31FAA2F8C0" box="[1215,1366,1823,1849]" italics="true" pageId="124" pageNumber="125">Jassa staudei</emphasis>
</taxonomicName>
is not known from either of the other two regions. It is possible that the specimen(s) were mis-identified and were more likely
<taxonomicName id="4C1D4D4FFFC9D964C9811C79FE82F878" authorityName="Holmes" authorityYear="1905" box="[222,374,1896,1921]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="124" pageNumber="125" phylum="Arthropoda" rank="species" species="marmorata">
<emphasis id="B969EADEFFC9D964C9811C79FE82F878" box="[222,374,1896,1921]" italics="true" pageId="124" pageNumber="125">J. marmorata</emphasis>
</taxonomicName>
or
<taxonomicName id="4C1D4D4FFFC9D964C8C41C79FDE5F878" authorityName="Conlan" authorityYear="1990" box="[411,529,1895,1921]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="124" pageNumber="125" phylum="Arthropoda" rank="species" species="slatteryi">
<emphasis id="B969EADEFFC9D964C8C41C79FDE5F878" box="[411,529,1895,1921]" italics="true" pageId="124" pageNumber="125">J. slatteryi</emphasis>
</taxonomicName>
, which have been confirmed present in
<collectingCountry id="F30A765CFFC9D964CA901C76FB91F878" box="[975,1125,1895,1921]" name="New Zealand" pageId="124" pageNumber="125">New Zealand</collectingCountry>
since 1928 (Table 3).
<taxonomicName id="4C1D4D4FFFC9D964CC011C79FEE1F85C" authorityName="Holmes" authorityYear="1905" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="124" pageNumber="125" phylum="Arthropoda" rank="species" species="marmorata">
<emphasis id="B969EADEFFC9D964CC011C79FEE1F85C" italics="true" pageId="124" pageNumber="125">Jassa marmorata</emphasis>
</taxonomicName>
was found fouling two other fishing boats in the study.
<bibRefCitation id="EF8C4B3DFFC9D964CAD51C9AFB2CF85C" author="Marchini, A. &amp; Cardeccia, A." box="[906,1240,1931,1957]" pageId="124" pageNumber="125" pagination="164 - 169" refId="ref99657" refString="Marchini, A. &amp; Cardeccia, A. (2017) Alien amphipods in a sea of troubles: cryptogenic species, unresolved taxonomy and overlooked introductions. Marine Biology, 164, 164 - 169. https: // doi. org / 10.1007 / s 00227 - 017 - 3093 - 1" type="journal article" year="2017">Marchini &amp; Cardeccia (2017)</bibRefCitation>
cited
<bibRefCitation id="EF8C4B3DFFC9D964CC421C9AFF16F830" author="Inglis, G. &amp; Gust, N. &amp; Fitridge, I. &amp; Floerl, O. &amp; Woods, C. &amp; Kospartov, M. &amp; Hayden, B. &amp; Fenwick, G. D." pageId="124" pageNumber="125" refId="ref96470" refString="Inglis, G., Gust, N., Fitridge, I., Floerl, O., Woods, C., Kospartov, M., Hayden, B. &amp; Fenwick, G. D. (2008) Port of Lyttelton: Second baseline survey for non-indigenous marine species. Biosecurity New Zealand Technical Paper No.: 2008 / 02. Prepared for MAF Biosecurity New Zealand Post Border Directorate for Project ZBS 2000 - 04. MAF Information Bureau, Wellington, 139 pp." type="book" year="2008">
Inglis
<emphasis id="B969EADEFFC9D964CC3B1C9DFA69F85C" box="[1380,1437,1931,1957]" italics="true" pageId="124" pageNumber="125">et al.</emphasis>
(2008)
</bibRefCitation>
as finding
<taxonomicName id="4C1D4D4FFFC9D964C83D1CA1FE3BF830" authorityName="Conlan" authorityYear="1990" box="[354,463,1967,1993]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="124" pageNumber="125" phylum="Arthropoda" rank="species" species="staudei">
<emphasis id="B969EADEFFC9D964C83D1CA1FE3BF830" box="[354,463,1967,1993]" italics="true" pageId="124" pageNumber="125">J. staudei</emphasis>
</taxonomicName>
in the Port of Timaru,
<collectingCountry id="F30A765CFFC9D964CB8A1CBEFC84F830" box="[725,880,1967,1993]" name="New Zealand" pageId="124" pageNumber="125">New Zealand</collectingCountry>
.
<bibRefCitation id="EF8C4B3DFFC9D964CA231CBEFBBBF830" author="Inglis, G. &amp; Gust, N. &amp; Fitridge, I. &amp; Floerl, O. &amp; Woods, C. &amp; Kospartov, M. &amp; Hayden, B. &amp; Fenwick, G. D." box="[892,1103,1967,1993]" pageId="124" pageNumber="125" refId="ref96470" refString="Inglis, G., Gust, N., Fitridge, I., Floerl, O., Woods, C., Kospartov, M., Hayden, B. &amp; Fenwick, G. D. (2008) Port of Lyttelton: Second baseline survey for non-indigenous marine species. Biosecurity New Zealand Technical Paper No.: 2008 / 02. Prepared for MAF Biosecurity New Zealand Post Border Directorate for Project ZBS 2000 - 04. MAF Information Bureau, Wellington, 139 pp." type="book" year="2008">
Inglis
<emphasis id="B969EADEFFC9D964CA9B1CA1FC09F830" box="[964,1021,1967,1993]" italics="true" pageId="124" pageNumber="125">et al.</emphasis>
(2008)
</bibRefCitation>
were referring to
<taxonomicName id="4C1D4D4FFFC9D964CC411CA1FA61F830" authorityName="Conlan" authorityYear="1990" box="[1310,1429,1967,1993]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="124" pageNumber="125" phylum="Arthropoda" rank="species" species="slatteryi">
<emphasis id="B969EADEFFC9D964CC411CA1FA61F830" box="[1310,1429,1967,1993]" italics="true" pageId="124" pageNumber="125">J. slatteryi</emphasis>
</taxonomicName>
, however; no mention of
<taxonomicName id="4C1D4D4FFFC9D964C8F51CC5FDE2F814" authorityName="Conlan" authorityYear="1990" box="[426,534,2003,2029]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="124" pageNumber="125" phylum="Arthropoda" rank="species" species="staudei">
<emphasis id="B969EADEFFC9D964C8F51CC5FDE2F814" box="[426,534,2003,2029]" italics="true" pageId="124" pageNumber="125">J. staudei</emphasis>
</taxonomicName>
could be found.
</paragraph>
</subSubSection>
</treatment>
</document>