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<document id="7E5F1EAB7CAAAF4BC732D170B92E9BD5" ID-ISSN="1175­5334" IM.materialsCitations_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1629793332550" checkinUser="felipe" docAuthor="Wicksten, Mary K." docDate="2012" docId="C5657B52FF46B3C944D1FE37CB670E84" docLanguage="en" docName="zt03371p307.pdf" docOrigin="Zootaxa 3371" docStyle="DocumentStyle:D239614CE4198176A422035174489AB1.4:Zootaxa.2009-2012.monograph" docStyleId="D239614CE4198176A422035174489AB1" docStyleName="Zootaxa.2009-2012.monograph" docStyleVersion="4" docTitle="Oregonia gracilis Dana 1851" docType="treatment" docVersion="3" lastPageNumber="219" masterDocId="395C032AFF9CB3134446FFC9C8060B2C" masterDocTitle="Decapod Crustacea of the Californian and Oregonian Zoogeographic Provinces 3371" masterLastPageNumber="307" masterPageNumber="1" pageNumber="219" updateTime="1699112702828" updateUser="plazi" zenodo-license-document="CLOSED">
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<mods:title id="54D693B3D56140C0E700E3CBE66FD0DF">Decapod Crustacea of the Californian and Oregonian Zoogeographic Provinces 3371</mods:title>
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<treatment id="C5657B52FF46B3C944D1FE37CB670E84" ID-DOI="http://doi.org/10.5281/zenodo.5255282" ID-Zenodo-Dep="5255282" LSID="urn:lsid:plazi:treatment:C5657B52FF46B3C944D1FE37CB670E84" httpUri="http://treatment.plazi.org/id/C5657B52FF46B3C944D1FE37CB670E84" lastPageNumber="219" pageId="218" pageNumber="219">
<subSubSection id="05D699CFFF46B3C944D1FE37C9FB0934" box="[151,509,510,536]" pageId="218" pageNumber="219" type="nomenclature">
<paragraph id="4D73CA44FF46B3C944D1FE37C9FB0934" blockId="218.[151,509,510,569]" box="[151,509,510,536]" pageId="218" pageNumber="219">
<heading id="163B7D28FF46B3C944D1FE37C9FB0934" bold="true" box="[151,509,510,536]" fontSize="11" level="1" pageId="218" pageNumber="219" reason="1">
<taxonomicName id="8ACCB1C7FF46B3C944D1FE37C9FB0934" ID-CoL="74SNL" authority="Dana, 1851" authorityName="Dana" authorityYear="1851" box="[151,509,510,536]" class="Malacostraca" family="Oregoniidae" genus="Oregonia" kingdom="Animalia" order="Decapoda" pageId="218" pageNumber="219" phylum="Arthropoda" rank="species" species="gracilis">
<emphasis id="7FB81656FF46B3C944D1FE37C9FB0934" bold="true" box="[151,509,510,536]" pageId="218" pageNumber="219">
<emphasis id="7FB81656FF46B3C944D1FE37C96F0934" bold="true" box="[151,361,510,536]" italics="true" pageId="218" pageNumber="219">Oregonia gracilis</emphasis>
Dana, 1851
</emphasis>
</taxonomicName>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="05D699CFFF46B3C944D1FDE8C90B0915" box="[151,269,545,569]" pageId="218" pageNumber="219" type="description">
<paragraph id="4D73CA44FF46B3C944D1FDE8C90B0915" blockId="218.[151,509,510,569]" box="[151,269,545,569]" pageId="218" pageNumber="219">
(
<figureCitation id="D5F7D6C1FF46B3C944D9FDE8C9030915" box="[159,261,545,569]" captionStart="FIGURE 50" captionStartId="216.[151,250,1847,1870]" captionTargetBox="[186,1403,196,1806]" captionTargetId="figure-108@216.[151,1436,193,1826]" captionTargetPageId="216" captionText="FIGURE 50. Families Inachidae, Inachoididae, Oregoniidae and Pisidae. A, B, Podochela lobifrons Rathbun, 1893; A, cephalothorax in ventral view; B, cheliped. C, D, Pyromaia tuberculata (Lockington, 1877); C, dorsal view, D, cheliped. E, Chionoecetes tanneri Rathbun, 1893. F, Chionoecetes angulatus Rathbun, 1893; dorsal view of right side of carapace. G, Oregonia gracilis Dana, 1851; H, Chorilia longipes Dana, 1851. Scales: A, B = 5 mm, C, D, G=10 mm, H =20 mm, E, F = 37 mm. A-D from Hendrickx 1999, E, G, H from from Schmitt 1921; F after Garth 1958." pageId="218" pageNumber="219">Fig. 50G</figureCitation>
)
</paragraph>
</subSubSection>
<subSubSection id="05D699CFFF46B3C944D1FDA0CB2009F7" pageId="218" pageNumber="219" type="reference_group">
<paragraph id="4D73CA44FF46B3C944D1FDA0CB2009F7" blockId="218.[151,1437,617,731]" pageId="218" pageNumber="219">
<treatmentCitationGroup id="6DDCED6AFF46B3C944D1FDA0CB2009F7" pageId="218" pageNumber="219">
<taxonomicName id="8ACCB1C7FF46B3C944D1FDA0CA020953" ID-CoL="74SNL" authority="Dana, 1851: 270" authorityName="Dana" authorityPageNumber="270" authorityYear="1851" box="[151,516,617,639]" class="Malacostraca" family="Oregoniidae" genus="Oregonia" kingdom="Animalia" order="Decapoda" pageId="218" pageNumber="219" phylum="Arthropoda" rank="species" species="gracilis">
<emphasis id="7FB81656FF46B3C944D1FDA0C94A0953" box="[151,332,617,639]" italics="true" pageId="218" pageNumber="219">Oregonia gracilis</emphasis>
Dana, 1851: 270
</taxonomicName>
. —
<treatmentCitation id="CC6DEC55FF46B3C94677FDA0CAE00953" author="Holmes, S. J." box="[561,742,617,639]" page="19" pageId="218" pageNumber="219" year="1900">
<bibRefCitation id="295DB7B5FF46B3C94677FDA0CAE00953" author="Holmes, S. J." box="[561,742,617,639]" pageId="218" pageNumber="219" pagination="12 - 62" refId="ref226245" refString="Holmes, S. J. (1900) Synopsis of California stalk-eyed Crustacea. Occasional Papers of the California Academy of Sciences, 7, 12 - 62." type="journal article" year="1900">Holmes 1900: 19</bibRefCitation>
</treatmentCitation>
. —
<treatmentCitation id="CC6DEC55FF46B3C94752FDA0CBDB0953" author="Rathbun, M. J." box="[788,989,617,639]" page="171" pageId="218" pageNumber="219" year="1904">
<bibRefCitation id="295DB7B5FF46B3C94752FDA0CBDB0953" author="Rathbun, M. J." box="[788,989,617,639]" pageId="218" pageNumber="219" pagination="1 - 219" refId="ref234490" refString="Rathbun, M. J. (1904) Decapod crustaceans of the northwest coast of North America. Harriman Alaska Expedition, 10, 1 - 219." type="journal article" year="1904">Rathbun 1904: 171</bibRefCitation>
</treatmentCitation>
;
<treatmentCitation id="CC6DEC55FF46B3C947AFFDA0CC400953" author="Rathbun, M. J." box="[1001,1094,617,639]" page="71" pageId="218" pageNumber="219" year="1925">
<bibRefCitation id="295DB7B5FF46B3C947AFFDA0CC400953" author="Rathbun, M. J." box="[1001,1094,617,639]" pageId="218" pageNumber="219" pagination="1 - 598" refId="ref234744" refString="Rathbun, M. J. (1925) The spider crabs of America. Bulletin of the United States National Museum, 129, 1 - 598." type="journal article" year="1925">1925: 71</bibRefCitation>
</treatmentCitation>
, pls. 24, 25, text figs. 19, 20. —
<treatmentCitation id="CC6DEC55FF46B3C94481FD41C98209B2" author="Schmitt, W. L." box="[199,388,648,670]" page="198" pageId="218" pageNumber="219" year="1921">
<bibRefCitation id="295DB7B5FF46B3C94481FD41C98209B2" author="Schmitt, W. L." box="[199,388,648,670]" pageId="218" pageNumber="219" pagination="1 - 470" refId="ref236092" refString="Schmitt, W. L. (1921) The marine decapod Crustacea of California. University of California Publications in Zoology, 23, 1 - 470." type="journal article" year="1921">Schmitt 1921: 198</bibRefCitation>
</treatmentCitation>
, text figs. 122a, b. —
<treatmentCitation id="CC6DEC55FF46B3C94620FD41CB8F09B2" author="Johnson, M. E. &amp; Snook, H. J." box="[614,905,648,670]" page="365" pageId="218" pageNumber="219" year="1927">
<bibRefCitation id="295DB7B5FF46B3C94620FD41CB8F09B2" author="Johnson, M. E. &amp; Snook, H. J." box="[614,905,648,670]" pageId="218" pageNumber="219" refId="ref227400" refString="Johnson, M. E. &amp; Snook, H. J. (1927) Seashore Animals of the Pacific Coast. Dover Publications, New York, reprint 1967, 659 pp." type="book" year="1927">Johnson &amp; Snook 1927: 365</bibRefCitation>
</treatmentCitation>
, fig. 315. —
<treatmentCitation id="CC6DEC55FF46B3C94056FD41CCBE09B2" author="Garth" box="[1040,1208,648,670]" page="136" pageId="218" pageNumber="219" year="1958">
<bibRefCitation id="295DB7B5FF46B3C94056FD41CCBE09B2" author="Garth" box="[1040,1208,648,670]" pageId="218" pageNumber="219" pagination="1 - 499" refId="ref222365" refString="Garth. J. S. (1958) Brachyura of the Pacific coast of America. Oxyrhyncha. Allan Hancock Pacific Expeditions, 21, 1 - 499." type="journal article" year="1958">Garth 1958: 136</bibRefCitation>
</treatmentCitation>
, pl. I, fig. 2, pl. 10, pl. 11, fig. 1. —
<treatmentCitation id="CC6DEC55FF46B3C94516FD6EC9EA0990" author="Hart, J. F. L." box="[336,492,678,700]" page="176" pageId="218" pageNumber="219" year="1982">
<bibRefCitation id="295DB7B5FF46B3C94516FD6EC9EA0990" author="Hart, J. F. L." box="[336,492,678,700]" pageId="218" pageNumber="219" refId="ref224534" refString="Hart, J. F. L. (1982) Crabs and their Relatives of British Columbia. British Columbia Provincial Museum Handbook 40, Victoria, 267 pp." type="book" year="1982">Hart 1982: 176</bibRefCitation>
</treatmentCitation>
, fig. 69. —
<treatmentCitation id="CC6DEC55FF46B3C9462EFD6FCB630990" author="Ricketts, E. F. &amp; Calvin, J. &amp; Hedgpeth, J. W. &amp; Phillips, D. W." box="[616,869,678,701]" page="298" pageId="218" pageNumber="219" year="1985">
<bibRefCitation id="295DB7B5FF46B3C9462EFD6FCB630990" author="Ricketts, E. F. &amp; Calvin, J. &amp; Hedgpeth, J. W. &amp; Phillips, D. W." box="[616,869,678,701]" pageId="218" pageNumber="219" refId="ref234966" refString="Ricketts, E. F., Calvin, J., Hedgpeth, J. W. &amp; Phillips, D. W. (1985) Between Pacific Tides. Stanford University Press, Stanford, California, 5 th ed., 652 pp." type="book" year="1985">
Ricketts
<emphasis id="7FB81656FF46B3C94684FD6ECAE90991" box="[706,751,679,701]" italics="true" pageId="218" pageNumber="219">et al</emphasis>
. 1985: 298
</bibRefCitation>
</treatmentCitation>
, 334. —
<treatmentCitation id="CC6DEC55FF46B3C94785FD6ECC6C0990" author="Jensen, G. C." box="[963,1130,678,700]" page="20" pageId="218" pageNumber="219" year="1995">
<bibRefCitation id="295DB7B5FF46B3C94785FD6ECC6C0990" author="Jensen, G. C." box="[963,1130,678,700]" pageId="218" pageNumber="219" refId="ref227177" refString="Jensen, G. C. (1995) Pacific Coast Crabs and Shrimps. Sea Challengers, Monterey, California, 87 pp." type="book" year="1995">Jensen 1995: 20</bibRefCitation>
</treatmentCitation>
. —
<treatmentCitation id="CC6DEC55FF46B3C940D3FD6FC8E909F7" author="Komai, T. &amp; Yakovlev, Y." page="309" pageId="218" pageNumber="219" year="2000">
<bibRefCitation id="295DB7B5FF46B3C940D3FD6FC8E909F7" author="Komai, T. &amp; Yakovlev, Y." pageId="218" pageNumber="219" pagination="301 - 322" refId="ref228362" refString="Komai, T. &amp; Yakovlev, Y. (2000) Decapod crustaceans collected during the biological expedition to the Kamchatka Peninsula and the North Kuril Islands in 1997. Natural History Research, special issue 7, 301 - 322." type="journal article" year="2000">Komai &amp; Yakovlev 2000: 309</bibRefCitation>
</treatmentCitation>
, fig. 2 (extensive synonymy). —
<treatmentCitation id="CC6DEC55FF46B3C94604FD0CCB2409F7" author="Kuris, A. M. &amp; Sadeghian, P. &amp; Carlton, J. T." box="[578,802,709,731]" page="641" pageId="218" pageNumber="219" year="2007">
<bibRefCitation id="295DB7B5FF46B3C94604FD0CCB2409F7" author="Kuris, A. M. &amp; Sadeghian, P. &amp; Carlton, J. T." box="[578,802,709,731]" pageId="218" pageNumber="219" pagination="636 - 656" refId="ref228858" refString="Kuris, A. M., Sadeghian, P. &amp; Carlton, J. T. (2007) Keys to Decapod Crustacea. In: Carlton, J. T. (Ed.) The Light and Smith Manual: Intertidal Invertebrates Central California to Oregon. University of California Press, Berkeley, 4 th ed., pp. 636 - 656." type="book chapter" year="2007">
Kuris
<emphasis id="7FB81656FF46B3C946C6FD0FCAAB09F7" box="[640,685,709,731]" italics="true" pageId="218" pageNumber="219">et al</emphasis>
. 2007: 641
</bibRefCitation>
</treatmentCitation>
.
</treatmentCitationGroup>
</paragraph>
</subSubSection>
<subSubSection id="05D699CFFF46B3C944D1FCCECCE60F80" pageId="218" pageNumber="219" type="diagnosis">
<paragraph id="4D73CA44FF46B3C944D1FCCECBAE08DB" blockId="218.[151,1436,775,1448]" pageId="218" pageNumber="219">
<emphasis id="7FB81656FF46B3C944D1FCCEC917080C" bold="true" box="[151,273,775,800]" inLineHeading="true" pageId="218" pageNumber="219" reason="1">Diagnosis.</emphasis>
Rostrum with two long, slender contiguous spines, length, shape of rostral spines variable; and rows of hooked setae. Carapace subtriangular, setose, covered by prominences, broader in female than male. Prominence on anterior side of eye peduncle. Postorbital spine remote from eye, acute, directed outward. Septum between first antennae produced into spine. Chelipeds of male robust, those of female more slender, exceeding length of pereopods 2–5, merus subcylindrical, tuberculate; carpus rounded, hand long, slender; fingers slender, smooth, incurved. Pereopods 2–5 cylindrical, decreasing in length posteriorly, dactyls long, tipped by claws.
<collectingRegion id="8F0804A6FF46B3C940BCFC75CD3508F8" box="[1274,1331,956,980]" country="Maldives" name="Maale" pageId="218" pageNumber="219">Male</collectingRegion>
carapace length 65.7 mm, width
<quantity id="8A3467A1FF46B3C945DAFC16C9E808DB" box="[412,494,991,1015]" metricMagnitude="-2" metricUnit="m" metricValue="3.9" pageId="218" pageNumber="219" unit="mm" value="39.0">39 mm</quantity>
; female 27.5–44.6 mm, width
<quantity id="8A3467A1FF46B3C94702FC16CBA208DB" box="[836,932,991,1015]" metricMagnitude="-1" metricUnit="m" metricValue="1.65" pageId="218" pageNumber="219" unit="mm" value="165.0">165 mm</quantity>
.
</paragraph>
<paragraph id="4D73CA44FF46B3C94481FBCACB5C0F30" blockId="218.[151,1436,775,1448]" box="[199,858,1027,1052]" pageId="218" pageNumber="219">
<emphasis id="7FB81656FF46B3C94481FBCAC95B0F30" bold="true" box="[199,349,1027,1052]" inLineHeading="true" pageId="218" pageNumber="219" reason="1">Color in life.</emphasis>
Tan or gray, red mark on chela (
<bibRefCitation id="295DB7B5FF46B3C9468EFBCDCB4B0F30" author="Garth" box="[712,845,1028,1052]" pageId="218" pageNumber="219" pagination="1 - 499" refId="ref222365" refString="Garth. J. S. (1958) Brachyura of the Pacific coast of America. Oxyrhyncha. Allan Hancock Pacific Expeditions, 21, 1 - 499." type="journal article" year="1958">Garth 1958</bibRefCitation>
).
</paragraph>
<paragraph id="4D73CA44FF46B3C94481FBEEC99C0F48" blockId="218.[151,1436,775,1448]" pageId="218" pageNumber="219">
<emphasis id="7FB81656FF46B3C94481FBEEC9B40F6C" bold="true" box="[199,434,1063,1088]" inLineHeading="true" pageId="218" pageNumber="219" reason="1">Habitat and depth.</emphasis>
<materialsCitation id="FDA4C019FF46B3C945FBFBE1C9910F48" elevation="390" location="California and Oregon" pageId="218" pageNumber="219" specimenCount="1" stateProvince="California and Oregon">
Among algae, eel grass and pilings, intertidal zone to
<quantity id="8A3467A1FF46B3C94006FBE1CC8A0F13" box="[1088,1164,1064,1088]" metricMagnitude="2" metricUnit="m" metricValue="3.9" pageId="218" pageNumber="219" unit="m" value="390.0">
<elevation id="C6E12D77FF46B3C94006FBE1CC8A0F13" box="[1088,1164,1064,1088]" metricMagnitude="2" metricUnit="m" metricValue="3.9" pageId="218" pageNumber="219" unit="m" value="390.0">390 m</elevation>
</quantity>
but usually subtidal in
<collectingRegion id="8F0804A6FF46B3C944D1FB85C9910F48" box="[151,407,1100,1124]" isEnumeration="true" pageId="218" pageNumber="219">California and Oregon</collectingRegion>
</materialsCitation>
.
</paragraph>
<paragraph id="4D73CA44FF46B3C94481FBB9CCE60F80" blockId="218.[151,1436,775,1448]" pageId="218" pageNumber="219">
<emphasis id="7FB81656FF46B3C94481FBB9C91C0FA4" bold="true" box="[199,282,1136,1160]" inLineHeading="true" pageId="218" pageNumber="219" reason="1">Range.</emphasis>
<materialsCitation id="FDA4C019FF46B3C94560FBB9CCDA0F80" collectorName="Comander Is." country="Japan" county="Point Arena" location="Bristol Bay" municipality="Monterey Bay" pageId="218" pageNumber="219" specimenCount="1" stateProvince="Chiba">
Off Choshi,
<collectingRegion id="8F0804A6FF46B3C945FDFBB9CA790FA4" box="[443,639,1136,1160]" country="Japan" name="Chiba" pageId="218" pageNumber="219">Chiba Prefecture</collectingRegion>
,
<collectingCountry id="35DB8AD4FF46B3C946C9FBB9CAC90FAB" box="[655,719,1136,1159]" name="Japan" pageId="218" pageNumber="219">Japan</collectingCountry>
to
<collectorName id="E039AF92FF46B3C946BBFBB9CB9C0FAB" box="[765,922,1136,1160]" pageId="218" pageNumber="219">Comander Is.</collectorName>
;
<location id="48139C9FFF46B3C947EAFBB9CC350FA4" LSID="urn:lsid:plazi:treatment:C5657B52FF46B3C944D1FE37CB670E84:48139C9FFF46B3C947EAFBB9CC350FA4" box="[940,1075,1136,1160]" country="Japan" county="Point Arena" municipality="Monterey Bay" name="Bristol Bay" pageId="218" pageNumber="219" stateProvince="Chiba">Bristol Bay</location>
, Bering Sea to
<collectingMunicipality id="AD17503EFF46B3C940B7FBB9CD9E0FA4" box="[1265,1432,1136,1160]" pageId="218" pageNumber="219">Monterey Bay</collectingMunicipality>
, California; rarely found south of
<collectingCounty id="A412B2C8FF46B3C9464CFB5DCA950F80" box="[522,659,1172,1196]" pageId="218" pageNumber="219">Point Arena</collectingCounty>
, California.
<typeStatus id="927774E6FF46B3C94758FB5DCB500F80" box="[798,854,1172,1196]" pageId="218" pageNumber="219">Type</typeStatus>
locality Puget Sound, Washington
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="05D699CFFF46B3C94481FB71CB670E84" pageId="218" pageNumber="219" type="discussion">
<paragraph id="4D73CA44FF46B3C94481FB71CB670E84" blockId="218.[151,1436,775,1448]" pageId="218" pageNumber="219">
<emphasis id="7FB81656FF46B3C94481FB71C93D0FFC" bold="true" box="[199,315,1208,1232]" inLineHeading="true" pageId="218" pageNumber="219" reason="1">Remarks.</emphasis>
<taxonomicName id="8ACCB1C7FF46B3C94503FB71CA160FFC" authorityName="Dana" authorityYear="1851" box="[325,528,1208,1232]" class="Malacostraca" family="Oregoniidae" genus="Oregonia" kingdom="Animalia" order="Decapoda" pageId="218" pageNumber="219" phylum="Arthropoda" rank="species" species="gracilis">
<emphasis id="7FB81656FF46B3C94503FB71CA160FFC" box="[325,528,1208,1232]" italics="true" pageId="218" pageNumber="219">Oregonia gracilis</emphasis>
</taxonomicName>
decorates heavily with bits of algae, hydroids, bryozoans, sponges and wood chips.
<bibRefCitation id="295DB7B5FF46B3C944A5FB15CA1E0FD8" author="Komai, T. &amp; Yakovlev, Y." box="[227,536,1244,1268]" pageId="218" pageNumber="219" pagination="301 - 322" refId="ref228362" refString="Komai, T. &amp; Yakovlev, Y. (2000) Decapod crustaceans collected during the biological expedition to the Kamchatka Peninsula and the North Kuril Islands in 1997. Natural History Research, special issue 7, 301 - 322." type="journal article" year="2000">Komai &amp; Yakovlev (2000)</bibRefCitation>
noted that there are two morphs of this species, one with long chelipeds and pereopods 2–5 and the other with short chelipeds and pereopods 2–5 but with longitudinal rows of long stiff setae on the propodi of those pereopods. The two morphs occur sympatrically and thus are considered to belong to the same species. These authors also note that there is considerable sexual dimorphism in the species. Females have relatively shorter rostral spines and more dense setae on the dorsal surface of the carapace than do the males, as well as differing in the shape of the abdomen and the chelipeds.
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