treatments-xml/data/03/DA/7C/03DA7C0AFFAFFF904B43FAD7FAB3D7E0.xml

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<mods:title id="C7CAC9C6EBEBDBFE03BA710544F535AF">A review of the hyperiidean amphipod superfamily Archaeoscinoidea Vinogradov, Volkov &amp; Semenova, 1982 (Crustacea: Amphipoda: Hyperiidea)</mods:title>
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Genus 
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<emphasis id="B907110EFFAFFF924B14FAD7FDBAD426" bold="true" box="[351,517,1318,1344]" italics="true" pageId="5" pageNumber="6">Archaeoscina</emphasis>
<bibRefCitation id="EFE2B0EDFFAFFF924847FAD7FD7CD426" author="Stebbing" box="[524,707,1318,1344]" pageId="5" pageNumber="36" refString="Stebbing, T. R. R. (1904) Biscayan plankton collected during a cruise of H. M. S. Research, 1900. Part II. The Amphipoda and Cladocera, with notes on a larval Thyrostracan. Transactions of the Linnaean Society of London, series 2. Zoology, 10 (2), 13 - 45, pls 2 &amp; 3." type="journal article" year="1904">Stebbing, 1904</bibRefCitation>
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<taxonomicName id="4C73B69FFFAFFF924B43FA83FDD3D4EE" ID-CoL="7NPJZ" authority="Stebbing, 1904: 19" authorityName="Stebbing" authorityPageNumber="19" authorityYear="1904" box="[264,620,1393,1417]" class="Malacostraca" family="Archaeoscinidae" genus="Archaeoscina" kingdom="Animalia" order="Amphipoda" pageId="5" pageNumber="6" phylum="Arthropoda" rank="genus">
<emphasis id="B907110EFFAFFF924B43FA83FE25D4EF" box="[264,410,1394,1417]" italics="true" pageId="5" pageNumber="6">Archaeoscina</emphasis>
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<bibRefCitation id="EFE2B0EDFFAFFF924BEBFA80FDFAD4EE" author="Stebbing" box="[416,581,1393,1416]" pageId="5" pageNumber="36" refString="Stebbing, T. R. R. (1904) Biscayan plankton collected during a cruise of H. M. S. Research, 1900. Part II. The Amphipoda and Cladocera, with notes on a larval Thyrostracan. Transactions of the Linnaean Society of London, series 2. Zoology, 10 (2), 13 - 45, pls 2 &amp; 3." type="journal article" year="1904">Stebbing, 1904</bibRefCitation>
: 19
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. 
<treatmentCitation id="0AD2EB0DFFAFFF92483CFA80FC7CD4EE" author="Stephensen" box="[631,963,1393,1416]" page="534" pageId="5" pageNumber="6" year="1931">
<bibRefCitation id="EFE2B0EDFFAFFF92483CFA80FC31D4EE" author="Stephensen" box="[631,910,1393,1416]" pageId="5" pageNumber="36" refString="Stephensen, K. &amp; Pirlot, J. M. (1931) Les Amphipodes Hyperides du genre Mimonectes Bovallius (inclus: Sphaeromimonectes Woltereck et Parascina Stebbing) et de quelques genres voisins (Archaeoscina Stebbing, Micromimonectes Woltereck, Microphasma Woltereck et Proscina n. g.). Archives de Zoologie Experimentale et Generale, 71 (4), 501 - 553." type="journal article" year="1931">Stephensen &amp; Pirlot 1931</bibRefCitation>
: 534
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. 
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<bibRefCitation id="EFE2B0EDFFAFFF924986FA80FB34D4EE" author="Vinogradov" box="[973,1163,1393,1416]" pageId="5" pageNumber="36" refString="Vinogradov, M. E. (1956) Hyperiids (Amphipoda: Hyperiidea) of the western Bering Sea. Zoologicheskii Zhurnal, 35 (2), 194 - 218. [In Russian]." type="journal article" year="1956">Vinogradov 1956</bibRefCitation>
: 199
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. 
<treatmentCitation id="0AD2EB0DFFAFFF924E81FA80FDB8D4CE" author="Bowman" page="10" pageId="5" pageNumber="6" year="1973">
<bibRefCitation id="EFE2B0EDFFAFFF924E81FA80FE60D4CE" author="Bowman" pageId="5" pageNumber="35" refString="Bowman, T. E. &amp; Gruner, H. - E. (1973) The families and genera of Hyperiidea (Crustacea: Amphipoda). Smithsonian Contributions to Zoology No. 146, 1 - 64." type="book chapter" year="1973">Bowman &amp; Gruner 1973</bibRefCitation>
: 10
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. 
<treatmentCitation id="0AD2EB0DFFAFFF92485AFA60FC8CD4CE" author="Vinogradov" box="[529,819,1425,1449]" page="44" pageId="5" pageNumber="6" year="1982">
<bibRefCitation id="EFE2B0EDFFAFFF92485AFA60FCB5D4CE" author="Vinogradov" box="[529,778,1425,1449]" pageId="5" pageNumber="36" refString="Vinogradov, M. E., Volkov, A. F. &amp; Semenova, T. N. (1982) Amfipody-Giperiidy (Amphipoda: Hyperiidea) Mirovogo Okeanea. Akademiya Nauk SSSR, Opredeliteli po Faune SSSR No. 132. Leningrad, 492 pp. [In Russian]. English translation, 1996, Smithsonian Institution Libraries, Washington D. C., D. Siegel-Causey, Scientific Editor." type="book" year="1982">
Vinogradov 
<emphasis id="B907110EFFAFFF9248DEFA63FD7BD4CF" box="[661,708,1426,1449]" italics="true" pageId="5" pageNumber="6">et al</emphasis>
. 1982
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: 44
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. 
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<bibRefCitation id="EFE2B0EDFFAFFF924976FA60FC45D4CE" author="Vinogradov" box="[829,1018,1425,1448]" pageId="5" pageNumber="36" refString="Vinogradov, G. M. (1999) Amphipoda. In: Boltovskoy, D. (Ed.) South Atlantic Zooplankton. Vol. 2. Backhuys, Leiden, The Netherlands, pp. 1141 - 1240." type="book" year="1999">Vinogradov 1999</bibRefCitation>
: 1169
</treatmentCitation>
. 
<taxonomicName id="4C73B69FFFAFFF924B43FA42FD0CD4AC" ID-CoL="0b7ef2af-942e-4b66-93a5-1a3e48473345" authority="Woltereck, 1906: 189" authorityName="Woltereck" authorityPageNumber="189" authorityYear="1906" box="[264,691,1459,1482]" class="Malacostraca" family="Archaeoscinidae" genus="Micromimonectes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="5" pageNumber="6" phylum="Arthropoda" rank="genus">
<emphasis id="B907110EFFAFFF924B43FA42FE79D4AC" box="[264,454,1459,1482]" italics="true" pageId="5" pageNumber="6">Micromimonectes</emphasis>
<treatmentCitation id="0AD2EB0DFFAFFF924B86FA42FD0CD4AC" author="Woltereck" box="[461,691,1459,1482]" page="189" pageId="5" pageNumber="6" year="1906">
<bibRefCitation id="EFE2B0EDFFAFFF924B86FA42FD3FD4AC" author="Woltereck" box="[461,640,1459,1482]" pageId="5" pageNumber="36" refString="Woltereck, R. (1906) Funfte Mitteilung uber die Hyperiden der Valdivia-Expedition: Micromimonectes n. gen. Zoologischer Anzeiger, 30 (7), 187 - 194." type="journal article" year="1906">Woltereck, 1906</bibRefCitation>
: 189
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–190.
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</paragraph>
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<paragraph id="8BCCCD1CFFAFFF924B43FA0DFE27D773" blockId="5.[264,1324,1532,1638]" box="[264,408,1532,1557]" pageId="5" pageNumber="6">
<emphasis id="B907110EFFAFFF924B43FA0DFE27D773" box="[264,408,1532,1557]" italics="true" pageId="5" pageNumber="6">
<typeStatus id="54C873BEFFAFFF924B43FA0DFE83D773" box="[264,316,1532,1557]" pageId="5" pageNumber="6">Type</typeStatus>
species
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</paragraph>
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<taxonomicName id="4C73B69FFFAFFF924B73F9D5FD44D758" ID-CoL="G7TC" authority="Stebbing, 1904" authorityName="Stebbing" authorityYear="1904" box="[312,763,1572,1598]" class="Malacostraca" family="Archaeoscinidae" genus="Archaeoscina" kingdom="Animalia" order="Amphipoda" pageId="5" pageNumber="6" phylum="Arthropoda" rank="species" species="bonnieri">
<emphasis id="B907110EFFAFFF924B73F9D5FDFDD75B" box="[312,578,1572,1597]" italics="true" pageId="5" pageNumber="6">Archaeoscina bonnieri</emphasis>
<bibRefCitation id="EFE2B0EDFFAFFF924803F9D5FD44D758" author="Stebbing" box="[584,763,1572,1598]" pageId="5" pageNumber="36" refString="Stebbing, T. R. R. (1904) Biscayan plankton collected during a cruise of H. M. S. Research, 1900. Part II. The Amphipoda and Cladocera, with notes on a larval Thyrostracan. Transactions of the Linnaean Society of London, series 2. Zoology, 10 (2), 13 - 45, pls 2 &amp; 3." type="journal article" year="1904">Stebbing, 1904</bibRefCitation>
</taxonomicName>
, by monotypy. The unique 
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is in the BMNH (1905.3.8.21) on one microscope slide.
</paragraph>
</subSubSection>
<subSubSection id="C3699E97FFAFFF924B43F96DFE6FD633" pageId="5" pageNumber="6" type="materials_examined">
<paragraph id="8BCCCD1CFFAFFF924B43F96DFD8DD7D3" blockId="5.[264,1325,1692,1878]" box="[264,562,1692,1717]" pageId="5" pageNumber="6">
<emphasis id="B907110EFFAFFF924B43F96DFD8DD7D3" box="[264,562,1692,1717]" italics="true" pageId="5" pageNumber="6">
<typeStatus id="54C873BEFFAFFF924B43F96DFE80D7D3" box="[264,319,1692,1717]" pageId="5" pageNumber="6">Type</typeStatus>
species of synonyms
</emphasis>
</paragraph>
<paragraph id="8BCCCD1CFFAFFF924B73F935FE6FD633" blockId="5.[264,1325,1692,1878]" pageId="5" pageNumber="6">
The 
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species of 
<taxonomicName id="4C73B69FFFAFFF92487CF935FCB7D7BB" box="[567,776,1732,1757]" class="Malacostraca" family="Archaeoscinidae" genus="Micromimonectes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="5" pageNumber="6" phylum="Arthropoda" rank="genus">
<emphasis id="B907110EFFAFFF92487CF935FCB7D7BB" box="[567,776,1732,1757]" italics="true" pageId="5" pageNumber="6">Micromimonectes</emphasis>
</taxonomicName>
is 
<taxonomicName id="4C73B69FFFAFFF92497EF935FBCCD7B8" authority="Woltereck, 1906" authorityName="Woltereck" authorityYear="1906" box="[821,1139,1732,1758]" class="Malacostraca" family="Archaeoscinidae" genus="Micromimonectes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="5" pageNumber="6" phylum="Arthropoda" rank="species" species="irene">
<emphasis id="B907110EFFAFFF92497EF935FC22D7BB" box="[821,925,1732,1757]" italics="true" pageId="5" pageNumber="6">M. irene</emphasis>
<bibRefCitation id="EFE2B0EDFFAFFF9249E2F935FBCCD7B8" author="Woltereck" box="[937,1139,1732,1758]" pageId="5" pageNumber="36" refString="Woltereck, R. (1906) Funfte Mitteilung uber die Hyperiden der Valdivia-Expedition: Micromimonectes n. gen. Zoologischer Anzeiger, 30 (7), 187 - 194." type="journal article" year="1906">Woltereck, 1906</bibRefCitation>
</taxonomicName>
. 
<typeStatus id="54C873BEFFAFFF924EC8F935FB02D7B8" box="[1155,1213,1732,1758]" pageId="5" pageNumber="6">Type</typeStatus>
material could not be found in any European or North American museum and is considered lost. However, the description and figures of an ovigerous female, are consistent with females of 
<emphasis id="B907110EFFAFFF924B63F8CDFE6FD633" box="[296,464,1852,1877]" italics="true" pageId="5" pageNumber="6">
<taxonomicName id="4C73B69FFFAFFF924B63F8CDFE73D633" box="[296,460,1852,1877]" class="Malacostraca" family="Archaeoscinidae" genus="Archaeoscina" kingdom="Animalia" order="Amphipoda" pageId="5" pageNumber="6" phylum="Arthropoda" rank="genus">Archaeoscina</taxonomicName>
.
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</paragraph>
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<paragraph id="8BCCCD1CFFACFF914B43FEEDFEC0D053" blockId="6.[264,1324,284,1150]" box="[264,383,284,309]" pageId="6" pageNumber="7">
<emphasis id="B907110EFFACFF914B43FEEDFEC0D053" box="[264,383,284,309]" italics="true" pageId="6" pageNumber="7">Diagnosis</emphasis>
</paragraph>
<paragraph id="8BCCCD1CFFACFF914B73FEB5FC20D530" blockId="6.[264,1324,284,1150]" pageId="6" pageNumber="7">Cuticle of males with hexagonal markings (not seen in females). Head of mature females immersed in first pereonite; with lateral shield, curved ventrally, adjacent to A1, shielding most of peduncle of A1. Head of males rectangular, length about half depth, as long as first pereonite. Eyes very small or absent (not seen in specimens examined). Antennae 1; peduncle 3­articulate in females, 2­articulate in males; flagellum with elongate callynophore, 1.0–2.0x length of peduncle in females, 2.0–4.0x length of peduncle in males, and three small terminal articles, the terminal one slightly longer than the preceding one. Antennae 2; length 0.5–0.7x A1, rarely males with long, whip­like flagellum, much longer than A1; the two terminal articles much shorter than preceding one; terminal article with long apical seta. Mandibular palp; length third article 1.7–2.0x length of first two combined; article 3 with robust seta one­third from base, distal twothirds covered with series of denticles ventrally. Maxillae 1; palp with two terminal spines; outer lobe with four robust setae; inner lobe apically rounded, barely reaching to base of palp. Maxillae 2; inner lobe broader and shorter than outer, with three robust setae; outer lobe with two robust setae. Maxilliped; outer lobes with outer margin undulated for distal half, inner margin with fine setae and few longer setae distally; inner lobes fused for proximal one­third, length about 0.8x outer lobes but barely reaching middle of outer lobes. Gnathopod 2; dactylus inserted terminally. Pereopods 5–7 with normal dactyls, inserted terminally to propodus, not retractile or hooded. Uropod 3; peduncle width 0.3–0.5x length. Telson length 0.3–0.4x peduncle of U3.</paragraph>
<paragraph id="8BCCCD1CFFACFF914B73FB95FE5FD518" blockId="6.[264,1324,284,1150]" box="[312,480,1124,1150]" pageId="6" pageNumber="7">Three species.</paragraph>
<paragraph id="8BCCCD1CFFACFF914B43FB45FE56D5AB" blockId="6.[264,1324,1204,1870]" box="[264,489,1204,1229]" pageId="6" pageNumber="7">
<emphasis id="B907110EFFACFF914B43FB45FE56D5AB" box="[264,489,1204,1229]" italics="true" pageId="6" pageNumber="7">Sexual dimorphism</emphasis>
</paragraph>
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<subSubSection id="C3699E97FFACFF914B73FB2DFCBAD628" pageId="6" pageNumber="7" type="description">
<paragraph id="8BCCCD1CFFACFF914B73FB2DFBFDD4D8" blockId="6.[264,1324,1204,1870]" pageId="6" pageNumber="7">
<taxonomicName id="4C73B69FFFACFF914B73FB2DFE67D593" box="[312,472,1244,1269]" class="Malacostraca" family="Archaeoscinidae" genus="Archaeoscina" kingdom="Animalia" order="Amphipoda" pageId="6" pageNumber="7" phylum="Arthropoda" rank="genus">
<emphasis id="B907110EFFACFF914B73FB2DFE67D593" box="[312,472,1244,1269]" italics="true" pageId="6" pageNumber="7">Archaeoscina</emphasis>
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is characterized by the extreme sexual dimorphism of the body as detailed in the family diagnosis. Immature females (2.0–3.0 mm) resemble males but are readily distinguished by oostegite buds on pereonites 
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addition to gills on pereonites 3–6, and the pereon is often slightly more inflated than in males of similar size. It seems that as females mature, the pereon inflates to help accommodate eggs and developing young but the pereopods and urosome retain their relative dimensions.
</paragraph>
<paragraph id="8BCCCD1CFFACFF914B73FA3DFEC2D798" blockId="6.[264,1324,1204,1870]" pageId="6" pageNumber="7">The structure of the antennae also differs markedly between the sexes. In females the first antennae are 7­articulate, consisting of a 3­articulate peduncle and a 4­articulate flagellum composed of an elongate callynophore and three, much smaller, terminal articles; the second antennae are 6­articulate with the two terminal articles being much smaller than the preceding one. In males the first antennae are 6­articulate, consisting of a 2­articulate peduncle followed by a relatively larger and more rounded callynophore than in females and three smaller terminal articles as in females; the second antennae are 7­ articulate.</paragraph>
<paragraph id="8BCCCD1CFFACFF914B73F8FDFCBAD628" blockId="6.[264,1324,1204,1870]" pageId="6" pageNumber="7">In addition to the above, the telson of males is relatively longer, about 0.4x length of the peduncle of uropod 3 (0.3x in females).</paragraph>
</subSubSection>
<subSubSection id="C3699E97FFADFF904B43FEEDFED1D053" box="[264,366,284,309]" pageId="7" pageNumber="8" type="discussion">
<paragraph id="8BCCCD1CFFADFF904B43FEEDFED1D053" blockId="7.[264,1325,284,1670]" box="[264,366,284,309]" pageId="7" pageNumber="8">
<emphasis id="B907110EFFADFF904B43FEEDFED1D053" box="[264,366,284,309]" italics="true" pageId="7" pageNumber="8">Remarks</emphasis>
</paragraph>
</subSubSection>
<subSubSection id="C3699E97FFADFF904B73FEB5FD6CD258" pageId="7" pageNumber="8" type="reference_group">
<paragraph id="8BCCCD1CFFADFF904B73FEB5FC2CD098" blockId="7.[264,1325,284,1670]" pageId="7" pageNumber="8">
<taxonomicName id="4C73B69FFFADFF904B73FEB5FE67D03B" ID-CoL="7NPJZ" box="[312,472,324,349]" class="Malacostraca" family="Archaeoscinidae" genus="Archaeoscina" kingdom="Animalia" order="Amphipoda" pageId="7" pageNumber="8" phylum="Arthropoda" rank="genus">
<emphasis id="B907110EFFADFF904B73FEB5FE67D03B" box="[312,472,324,349]" italics="true" pageId="7" pageNumber="8">Archaeoscina</emphasis>
</taxonomicName>
is uncommon but widely distributed in all oceans, including sub­Arctic and sub­Antarctic waters. Very little is known about the biology of species except that they seem to inhabit meso­ and bathypelagic layers having been found in catches from depths of 
<quantity id="4C8B60F9FFADFF904B63FE4DFE0FD0B0" box="[296,432,444,470]" metricMagnitude="2" metricUnit="m" metricValue="3.5" metricValueMax="5.0" metricValueMin="2.0" pageId="7" pageNumber="8" unit="m" value="350.0" valueMax="500.0" valueMin="200.0">200–500 m</quantity>
, 
<quantity id="4C8B60F9FFADFF904BF6FE4DFDFDD0B0" box="[445,578,444,470]" metricMagnitude="2" metricUnit="m" metricValue="4.0" metricValueMax="5.0" metricValueMin="3.0" pageId="7" pageNumber="8" unit="m" value="400.0" valueMax="500.0" valueMin="300.0">300–500 m</quantity>
and also in catches from depths of 
<quantity id="4C8B60F9FFADFF9049AEFE4DFB8DD0B0" box="[997,1074,444,470]" metricMagnitude="2" metricUnit="m" metricValue="7.0" pageId="7" pageNumber="8" unit="m" value="700.0">700 m</quantity>
, 
<quantity id="4C8B60F9FFADFF904E75FE4DFB27D0B0" box="[1086,1176,444,470]" metricMagnitude="3" metricUnit="m" metricValue="1.0" pageId="7" pageNumber="8" unit="m" value="1000.0">1000 m</quantity>
and more to the surface (
<bibRefCitation id="EFE2B0EDFFADFF904BDCFE15FDD7D098" author="Vinogradov" box="[407,616,484,510]" pageId="7" pageNumber="36" refString="Vinogradov, M. E. (1956) Hyperiids (Amphipoda: Hyperiidea) of the western Bering Sea. Zoologicheskii Zhurnal, 35 (2), 194 - 218. [In Russian]." type="journal article" year="1956">Vinogradov 1956</bibRefCitation>
, 
<bibRefCitation id="EFE2B0EDFFADFF90483FFE15FC39D098" author="Vinogradov" box="[628,902,484,510]" pageId="7" pageNumber="36" refString="Vinogradov, M. E., Volkov, A. F. &amp; Semenova, T. N. (1982) Amfipody-Giperiidy (Amphipoda: Hyperiidea) Mirovogo Okeanea. Akademiya Nauk SSSR, Opredeliteli po Faune SSSR No. 132. Leningrad, 492 pp. [In Russian]. English translation, 1996, Smithsonian Institution Libraries, Washington D. C., D. Siegel-Causey, Scientific Editor." type="book" year="1982">
Vinogradov 
<emphasis id="B907110EFFADFF90494EFE15FC86D09B" box="[773,825,484,509]" italics="true" pageId="7" pageNumber="8">et al</emphasis>
. 1982
</bibRefCitation>
).
</paragraph>
<paragraph id="8BCCCD1CFFADFF904B73FDFDFD6CD258" blockId="7.[264,1325,284,1670]" pageId="7" pageNumber="8">
Male specimens appear to be very rare and, apart from the 
<typeStatus id="54C873BEFFADFF904E73FDFDFBD4D340" box="[1080,1131,524,550]" pageId="7" pageNumber="8">type</typeStatus>
of 
<taxonomicName id="4C73B69FFFADFF904ED4FDFDFE79D328" ID-CoL="G7TC" authority="Stebbing, 1904" authorityName="Stebbing" authorityYear="1904" class="Malacostraca" family="Archaeoscinidae" genus="Archaeoscina" kingdom="Animalia" order="Amphipoda" pageId="7" pageNumber="8" phylum="Arthropoda" rank="species" species="bonnieri">
<emphasis id="B907110EFFADFF904ED4FDFDFA94D343" box="[1183,1323,524,549]" italics="true" pageId="7" pageNumber="8">A. bonnieri</emphasis>
<bibRefCitation id="EFE2B0EDFFADFF904B43FDC5FE79D328" author="Stebbing" box="[264,454,564,590]" pageId="7" pageNumber="36" refString="Stebbing, T. R. R. (1904) Biscayan plankton collected during a cruise of H. M. S. Research, 1900. Part II. The Amphipoda and Cladocera, with notes on a larval Thyrostracan. Transactions of the Linnaean Society of London, series 2. Zoology, 10 (2), 13 - 45, pls 2 &amp; 3." type="journal article" year="1904">Stebbing, 1904</bibRefCitation>
</taxonomicName>
, I have seen only six male specimens that could be assigned to 
<taxonomicName id="4C73B69FFFADFF904B43FDADFE17D313" ID-CoL="7NPJZ" box="[264,424,604,629]" class="Malacostraca" family="Archaeoscinidae" genus="Archaeoscina" kingdom="Animalia" order="Amphipoda" pageId="7" pageNumber="8" phylum="Arthropoda" rank="genus">
<emphasis id="B907110EFFADFF904B43FDADFE17D313" box="[264,424,604,629]" italics="true" pageId="7" pageNumber="8">Archaeoscina</emphasis>
</taxonomicName>
. Only one exceeds 3.0 mm in length (
<quantity id="4C8B60F9FFADFF904931FDADFC62D310" box="[890,989,604,630]" metricMagnitude="-3" metricUnit="m" metricValue="4.2" pageId="7" pageNumber="8" unit="mm" value="4.2">4.2 mm</quantity>
), two are 
<quantity id="4C8B60F9FFADFF904E1DFDADFB05D310" box="[1110,1210,604,630]" metricMagnitude="-3" metricUnit="m" metricValue="2.5" metricValueMax="3.0" metricValueMin="2.0" pageId="7" pageNumber="8" unit="mm" value="2.5" valueMax="3.0" valueMin="2.0">2–3 mm</quantity>
long and three are less than 2.0 mm in length. All have well­developed aesthetascs on the callynophore of the first antennae. The only other record of males is by 
<bibRefCitation id="EFE2B0EDFFADFF904E1DFD5DFA99D3A0" author="Woltereck" box="[1110,1318,684,710]" lastPageId="7" lastPageNumber="37" pageId="7" pageNumber="36" refString="Woltereck, R. (1909) Reports on the scientific results of the expedition to the eastern tropical Pacific in charge of ALEXANDER AGASSIZ, by the U. S. Fish Commission Steamer &quot; Albatross &quot; from October, 1904, to March, 1905, Lieutenant-Commander L. M. Garrett, U. S. N., Commanding. Amphipoda. Die Hyperiidea Gammaroidea. Bulletin of the Museum of Comparative Zoology, Harvard, 52 (9), 145 - 168, pls 1 - 8." type="journal article" year="1909">Woltereck (1909)</bibRefCitation>
, who illustrated and described 
<taxonomicName id="4C73B69FFFADFF9048DDFD25FC91D38B" ID-CoL="6824F" box="[662,814,724,749]" class="Malacostraca" family="Archaeoscinidae" genus="Archaeoscina" kingdom="Animalia" order="Amphipoda" pageId="7" pageNumber="8" phylum="Arthropoda" rank="species" species="stebbingi">
<emphasis id="B907110EFFADFF9048DDFD25FC91D38B" box="[662,814,724,749]" italics="true" pageId="7" pageNumber="8">A. stebbingi</emphasis>
</taxonomicName>
from the eastern tropical Pacific, and 
<bibRefCitation id="EFE2B0EDFFADFF904B43FD0DFE56D270" author="Vinogradov" box="[264,489,764,790]" pageId="7" pageNumber="36" refString="Vinogradov, M. E. (1956) Hyperiids (Amphipoda: Hyperiidea) of the western Bering Sea. Zoologicheskii Zhurnal, 35 (2), 194 - 218. [In Russian]." type="journal article" year="1956">Vinogradov (1956)</bibRefCitation>
who recorded specimens of 
<taxonomicName id="4C73B69FFFADFF90490AFD0DFB03D270" ID-CoL="G7TF" authority="Bovallius, 1885" authorityName="Bovallius" authorityYear="1885" box="[833,1212,764,790]" class="Malacostraca" family="Archaeoscinidae" genus="Archaeoscina" kingdom="Animalia" order="Amphipoda" pageId="7" pageNumber="8" phylum="Arthropoda" rank="species" species="steenstrupi">
<emphasis id="B907110EFFADFF90490AFD0DFC5BD273" box="[833,996,764,789]" italics="true" pageId="7" pageNumber="8">A. steenstrupi</emphasis>
(
<bibRefCitation id="EFE2B0EDFFADFF9049BEFD0DFB0BD270" author="Bovallius" box="[1013,1204,764,790]" pageId="7" pageNumber="35" refString="Bovallius, C. (1885) On some forgotten genera among the amphipodous Crustacea. Bihang till Kungliga Svenska Vetenskaps-Akademiens Handlingar, 10 (4), 1 - 17, 1 pl." type="journal article" year="1885">Bovallius, 1885</bibRefCitation>
)
</taxonomicName>
from the west Bering Sea; all 
<quantity id="4C8B60F9FFADFF904BB0FCD5FDE3D258" box="[507,604,804,830]" metricMagnitude="-3" metricUnit="m" metricValue="2.5" metricValueMax="3.0" metricValueMin="2.0" pageId="7" pageNumber="8" unit="mm" value="2.5" valueMax="3.0" valueMin="2.0">2–3 mm</quantity>
in length.
</paragraph>
</subSubSection>
<subSubSection id="C3699E97FFADFF904B73FCBDFAB3D7E0" pageId="7" pageNumber="8" type="description">
<paragraph id="8BCCCD1CFFADFF904B73FCBDFDE1D480" blockId="7.[264,1325,284,1670]" pageId="7" pageNumber="8">
The unique 
<typeStatus id="54C873BEFFADFF904B8EFCBDFE47D200" box="[453,504,844,870]" pageId="7" pageNumber="8">type</typeStatus>
of 
<taxonomicName id="4C73B69FFFADFF90486BFCBDFD13D203" box="[544,684,844,869]" class="Malacostraca" family="Archaeoscinidae" genus="Archaeoscina" kingdom="Animalia" order="Amphipoda" pageId="7" pageNumber="8" phylum="Arthropoda" rank="species" species="stebbingi">
<emphasis id="B907110EFFADFF90486BFCBDFD13D203" box="[544,684,844,869]" italics="true" pageId="7" pageNumber="8">A. stebbingi</emphasis>
</taxonomicName>
, a mature or almost mature male, about 3.0 mm long, appears to be lost. Wolterecks (1909) description is brief, and his figure schematic, so it is difficult to compare characters with other specimens. Woltereck distinguishes his species from 
<taxonomicName id="4C73B69FFFADFF904B00FC35FE6ED2BB" box="[331,465,964,989]" class="Malacostraca" family="Archaeoscinidae" genus="Archaeoscina" kingdom="Animalia" order="Amphipoda" pageId="7" pageNumber="8" phylum="Arthropoda" rank="species" species="bonnieri">
<emphasis id="B907110EFFADFF904B00FC35FE6ED2BB" box="[331,465,964,989]" italics="true" pageId="7" pageNumber="8">A. bonnieri</emphasis>
</taxonomicName>
(considered a synonym of 
<taxonomicName id="4C73B69FFFADFF904956FC35FC7DD2BB" box="[797,962,964,989]" class="Malacostraca" family="Archaeoscinidae" genus="Archaeoscina" kingdom="Animalia" order="Amphipoda" pageId="7" pageNumber="8" phylum="Arthropoda" rank="species" species="steenstrupi">
<emphasis id="B907110EFFADFF904956FC35FC7DD2BB" box="[797,962,964,989]" italics="true" pageId="7" pageNumber="8">A. steenstrupi</emphasis>
</taxonomicName>
) by the broader carpus of the gnathopods, minor differences in the articles of the antennae and that the third article of the mandibular palp is at least three times longer than the first two combined. The differences in the articles of the gnathopods and antennae can be attributed to the fact that 
<bibRefCitation id="EFE2B0EDFFADFF904B43FB95FE78D518" author="Stebbing" box="[264,455,1124,1150]" pageId="7" pageNumber="36" refString="Stebbing, T. R. R. (1904) Biscayan plankton collected during a cruise of H. M. S. Research, 1900. Part II. The Amphipoda and Cladocera, with notes on a larval Thyrostracan. Transactions of the Linnaean Society of London, series 2. Zoology, 10 (2), 13 - 45, pls 2 &amp; 3." type="journal article" year="1904">Stebbing (1904)</bibRefCitation>
had a juvenile specimen and, in part, to Wolterecks schematic drawing. Also, his drawing of the mandibular palp indicates that the third article is only about 1.5x longer than the first two combined. Thus, in the absence of the 
<typeStatus id="54C873BEFFADFF904E6CFB45FBE3D5A8" box="[1063,1116,1204,1230]" pageId="7" pageNumber="8">type</typeStatus>
, it is difficult to determine the specific status of 
<taxonomicName id="4C73B69FFFADFF9048DCFB2DFC96D593" box="[663,809,1244,1269]" class="Malacostraca" family="Archaeoscinidae" genus="Archaeoscina" kingdom="Animalia" order="Amphipoda" pageId="7" pageNumber="8" phylum="Arthropoda" rank="species" species="stebbingi">
<emphasis id="B907110EFFADFF9048DCFB2DFC96D593" box="[663,809,1244,1269]" italics="true" pageId="7" pageNumber="8">A. stebbingi</emphasis>
</taxonomicName>
. Judging by Wolterecks figure, it closely resembles 
<taxonomicName id="4C73B69FFFADFF904BC1FAF5FD8FD47B" box="[394,560,1284,1309]" class="Malacostraca" family="Archaeoscinidae" genus="Archaeoscina" kingdom="Animalia" order="Amphipoda" pageId="7" pageNumber="8" phylum="Arthropoda" rank="species" species="steenstrupi">
<emphasis id="B907110EFFADFF904BC1FAF5FD8FD47B" box="[394,560,1284,1309]" italics="true" pageId="7" pageNumber="8">A. steenstrupi</emphasis>
</taxonomicName>
in the mandibular palp, dactyls and ratio of pleon to pereon. However, pereopod 5 is illustrated as relatively long so that pereopods 3, 6 &amp; 7 are much shorter, with pereopod 7 only about half as long as pereopod 5. This contrasts with 
<taxonomicName id="4C73B69FFFADFF904F5AFAA5FE36D4F3" class="Malacostraca" family="Archaeoscinidae" genus="Archaeoscina" kingdom="Animalia" order="Amphipoda" pageId="7" pageNumber="8" phylum="Arthropoda" rank="species" species="steenstrupi">
<emphasis id="B907110EFFADFF904F5AFAA5FE36D4F3" italics="true" pageId="7" pageNumber="8">A. steenstrupi</emphasis>
</taxonomicName>
in which pereopods 3–7 are of similar length or pereopod 5 is only slightly longer than the other pereopods. It is this difference, which prevents me from considering the two species synonymous.
</paragraph>
<paragraph id="8BCCCD1CFFADFF904B73FA05FAB3D7E0" blockId="7.[264,1325,284,1670]" pageId="7" pageNumber="8">
One additional species, represented by six females and two males, is here described as new to science. It resembles 
<taxonomicName id="4C73B69FFFADFF904813F9EDFD45D753" box="[600,762,1564,1589]" class="Malacostraca" family="Archaeoscinidae" genus="Archaeoscina" kingdom="Animalia" order="Amphipoda" pageId="7" pageNumber="8" phylum="Arthropoda" rank="species" species="steenstrupi">
<emphasis id="B907110EFFADFF904813F9EDFD45D753" box="[600,762,1564,1589]" italics="true" pageId="7" pageNumber="8">A. steenstrupi</emphasis>
</taxonomicName>
but, apart from several distinctive characters, is readily recognized by the relatively larger pereopods and urosome when comparing specimens of similar size. Thus, 
<taxonomicName id="4C73B69FFFADFF9048CCF99DFC97D7E3" box="[647,808,1644,1669]" class="Malacostraca" family="Archaeoscinidae" genus="Archaeoscina" kingdom="Animalia" order="Amphipoda" pageId="7" pageNumber="8" phylum="Arthropoda" rank="genus">
<emphasis id="B907110EFFADFF9048CCF99DFC97D7E3" box="[647,808,1644,1669]" italics="true" pageId="7" pageNumber="8">Archaeoscina</emphasis>
</taxonomicName>
is currently represented by three species.
</paragraph>
</subSubSection>
</treatment>
</document>