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<document id="E12F03D75126420DF3E99A151608E253" ID-CLB-Dataset="28471" ID-DOI="http://dx.doi.org/10.3897/zse.90.8559" ID-GBIF-Dataset="13ad2e93-0647-45b9-a1a4-d53724b2b998" ID-Pensoft-Pub="1860-0743-2-225" ID-ZooBank="7818718A2FE2479184FE66085FCFD0D8" ModsDocAuthor="" ModsDocDate="2014" ModsDocID="1860-0743-2-225" ModsDocOrigin="Zoosystematics and Evolution 90 (2)" ModsDocTitle="A redescription of the type species of Oedicerina Stephensen, 1931 (Crustacea, Amphipoda, Oedicerotidae) and the description of two new species" checkinTime="1552154792021" checkinUser="pensoft" docAuthor="Coleman, Charles Oliver &amp; Thurston, Michael H." docDate="2014" docId="3EA30D2848C9A885CD2A5044B7612CAE" docLanguage="en" docName="ZoosystEvol 90(2): 225-247" docOrigin="Zoosystematics and Evolution 90 (2)" docSource="http://dx.doi.org/10.3897/zse.90.8559" docTitle="Oedicerina vaderi Coleman &amp; Thurston, 2014, sp. n." docType="treatment" docUuid="0CBB4731-9908-43F5-83E5-BCF9C83ED4C6" docUuidSource="ZooBank" docVersion="7" lastPageNumber="228" masterDocId="8E64FF8EFFD5232CFFDBFFC6FFF30147" masterDocTitle="A redescription of the type species of Oedicerina Stephensen, 1931 (Crustacea, Amphipoda, Oedicerotidae) and the description of two new species" masterLastPageNumber="247" masterPageNumber="225" pageNumber="227" updateTime="1701375365548" updateUser="ExternalLinkService">
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<mods:title id="2A4C1C5D5D75C67DDEA03CFD571D9325">A redescription of the type species of Oedicerina Stephensen, 1931 (Crustacea, Amphipoda, Oedicerotidae) and the description of two new species</mods:title>
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<mods:namePart id="D893CBEDCBA7D30D33982E15FFF7C705">Coleman, Charles Oliver</mods:namePart>
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<mods:namePart id="A1C63E433A96E601808A27545AE3D51C">Thurston, Michael H.</mods:namePart>
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<mods:date id="BA1BA4B33E9EDBC98B78FF36A78FCAE1">2014</mods:date>
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<treatment id="3EA30D2848C9A885CD2A5044B7612CAE" ID-GBIF-Taxon="154365933" LSID="urn:lsid:zoobank.org:act:0CBB4731-9908-43F5-83E5-BCF9C83ED4C6" httpUri="http://treatment.plazi.org/id/3EA30D2848C9A885CD2A5044B7612CAE" lastPageId="3" lastPageNumber="228" pageId="2" pageNumber="227">
<subSubSection id="F9A958AAD66DFE411A7B74B1F296567E" pageId="2" pageNumber="227" type="nomenclature">
<paragraph id="DD7352BED165742335266D66C9EED495" pageId="2" pageNumber="227">
<taxonomicName id="33F3F0FBDAAC28F66501395EF4442678" ID-CoL="48VP5" LSID="http://zoobank.org/0CBB4731-9908-43F5-83E5-BCF9C83ED4C6" class="Malacostraca" family="Oedicerotidae" genus="Oedicerina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oedicerina vaderi" order="Amphipoda" pageId="2" pageNumber="227" phylum="Arthropoda" rank="species" species="vaderi">Oedicerina vaderi</taxonomicName>
<taxonomicNameLabel id="4A4FBF98B154A52378C2C5D7C288AD34" pageId="2" pageNumber="227">sp. n.</taxonomicNameLabel>
Figs 6, 7, 8, 9, 10
</paragraph>
</subSubSection>
<subSubSection id="0533939F4379F7E18656BBADBB83CD3B" pageId="2" pageNumber="227" type="type material">
<paragraph id="B10910A66BEBED0A9CE22E2A5FC95B4B" pageId="2" pageNumber="227">Type material.</paragraph>
<paragraph id="BA25F1ECC04D4EA2C86E5A66543026F6" pageId="2" pageNumber="227">Male holotype, 7.3 mm; NHMUK 2014. 398, Discovery Stn 7709#73.</paragraph>
</subSubSection>
<subSubSection id="26468C246E3E11CFC34B31C4542F6935" pageId="2" pageNumber="227" type="type locality">
<paragraph id="D7C4061F5461E92945C01B3B560A8EF0" pageId="2" pageNumber="227">Type locality.</paragraph>
<paragraph id="310A5BF5ACFB54C8EC9ED9925F1C03C7" pageId="2" pageNumber="227">
North Atlantic, East Iceland Basin:
<geoCoordinate id="DF915ECE2C3396995070A27F47567634" direction="north" orientation="latitude" precision="92" value="60.118332">60°07.1'N</geoCoordinate>
<geoCoordinate id="13ACF819CE2B5B320F5D98994BB80D14" direction="west" orientation="longitude" precision="92" value="-19.505">19°30.3'W</geoCoordinate>
-
<geoCoordinate id="24B82C97027618FCEF92A68FF235DF43" direction="north" orientation="latitude" precision="92" value="60.101665">60°06.1'N</geoCoordinate>
<geoCoordinate id="52327FB012CCC7169FA187F05D3FE95E" direction="west" orientation="longitude" precision="92" value="-19.413334">19°24.8'W</geoCoordinate>
, 5 May 1971, BN 2.4, 2636-2646 m.
</paragraph>
</subSubSection>
<subSubSection id="4B9B370C099060D7FBDC70AFFD4EB95F" pageId="2" pageNumber="227" type="paratypes">
<paragraph id="8E99D9B80AD9C0B735CFFE7DD45CACEA" pageId="2" pageNumber="227">Paratypes.</paragraph>
<paragraph id="9E08033B8812A5FE909D5B7400AB530D" pageId="2" pageNumber="227">1 female, 6.3 mm; 2 specimens of unknown sex, 4.2 mm and 5 mm; NHMUK 2014. 399-401, Discovery Stn 7709#73, from the type locality.</paragraph>
</subSubSection>
<subSubSection id="DE9A308B9E6787C131C61FAE7630D2F3" pageId="2" pageNumber="227" type="etymology">
<paragraph id="BAC0128B21183E7CF43C39718C0EC77F" pageId="2" pageNumber="227">Etymology.</paragraph>
<paragraph id="DCC398CAA4B1F5BB198B2F11A57F7FA9" pageId="2" pageNumber="227">The specific name vaderi recognises the important contributions to amphipod studies made by Professor Wim Vader.</paragraph>
</subSubSection>
<subSubSection id="6E3F73BD10E01876D6D9D2BD1FC65C19" lastPageId="3" lastPageNumber="228" pageId="2" pageNumber="227" type="description">
<paragraph id="59E1D36E85D24D205AB1CD48F245FEEC" pageId="2" pageNumber="227">Description.</paragraph>
<paragraph id="CC8A6793A22FD66F28ADA4E1AD9A42B7" pageId="2" pageNumber="227">
Holotype male, 7.3 mm. Head (Fig. 6c): longer than high, longer than pereonites 1-2 combined; no eyes or ocular pigment visible; rostrum (Fig. 6c) strongly deflexed, the ventral margin concave. Antenna 1 (Fig. 6f): length ratios of peduncle articles 1-3 1:0.5:0.3; flagellum [broken], proximal flagellum articles wider than long; accessory flagellum 1-articulate, slender, about half the length of peduncle article 3. Antenna 2 (Fig. 6g): peduncle weakly setose; length of article 4 1.5
<normalizedToken id="400C2BDBB574412066CE28F3E75E81E1" originalValue="×">x</normalizedToken>
article 5; flagellum shorter than peduncle article 5, 9-articulate. Upper lip (labrum) (Fig. 6d): wider than long, apically rounded. Mandible (Fig. 7a, e): incisors and laciniae mobiles 5-dentate; palp 3-articulate, article 2 swollen proximally, article 3 tapered, length ratios of articles 1-3 1:4.3:6.1. Lower lip: inner lobes prominent and broad, hypopharyngeal gap wide, outer lobe mandibular processes short and rounded. Maxilla 1 (Fig. 7d): inner fig tapered, with two distal setae; outer fig with nine acute setal-teeth; palp 2-articulate, article 2 5
<normalizedToken id="98C0746123346AAEB182D0493D8BE480" originalValue="×">x</normalizedToken>
length of article 1. Maxilla 2 (Fig. 7b): inner fig 1.3
<normalizedToken id="B2F1425482881732BE389B28C8510E6B" originalValue="×">x</normalizedToken>
wider than outer fig; both figs with relatively sparse apical setation. Maxilliped (Fig. 7c): inner fig short, extending just beyond base of palp article 1; outer fig extending 30% along palp article 2; concave medially; palp 4-articulate; article 1 tapered; article 2 broad, strongly expanded medially, lobe broadly rounded; article 3 narrow proximally and expanded mediodistally; article 4 curved, acute; length ratios of articles 1-4 1:2.2:0.8:1.3.
</paragraph>
<caption id="72B8E62976A6EDCFE7EE24BFC6D82DB9" pageId="2" pageNumber="227">
<paragraph id="2F4A9D78B40BEC9601654AC55BCC563E" pageId="2" pageNumber="227">
Figure 6. a,
<normalizedToken id="A703223E6306BFE354D179BE688FD524" originalValue="cg">c-g</normalizedToken>
)
<taxonomicName id="489AD68EE10A58D9AAF92014DD616D3B" class="Malacostraca" family="Oedicerotidae" genus="Oedicerina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oedicerina vaderi" order="Amphipoda" pageId="2" pageNumber="227" phylum="Arthropoda" rank="species" species="vaderi">Oedicerina vaderi</taxonomicName>
sp. n., male holotype, 7.3 mm; northeast Atlantic Ocean, NHMUK 2014. 398, Discovery Stn 7709#73. a) habitus; c) head; d) upper lip; e) epimeral figs 1-3; f) antenna 1; g) antenna 2. Female paratype, 6.3 mm; same locality. b) antenna 1. Scale bars: a; 1 mm:
<normalizedToken id="BADCF89B12E7FDCFF8E79A07B7BD9A3F" originalValue="bg">b-g</normalizedToken>
; 200
<normalizedToken id="31E4D15009E8393957D25041F3803DD6" originalValue="μm">μm</normalizedToken>
.
</paragraph>
</caption>
<caption id="CC95ED78201B35384A7FAABEED7802E2" pageId="2" pageNumber="227">
<paragraph id="EE3E53F8473B89E42A629F4E6BFC850C" pageId="2" pageNumber="227">
Figure 7.
<taxonomicName id="2B8947BD572465FFB7982AB1448FF5B8" class="Malacostraca" family="Oedicerotidae" genus="Oedicerina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oedicerina vaderi" order="Amphipoda" pageId="2" pageNumber="227" phylum="Arthropoda" rank="species" species="vaderi">Oedicerina vaderi</taxonomicName>
sp. n., male holotype, 7.3 mm; northeast Atlantic Ocean, NHMUK 2014. 398, Discovery Stn 7709#73. a) right mandible; b) maxilla 2; c) maxilliped; d) maxilla 1; e) left mandible. Scale bars: a, c; 200
<normalizedToken id="49E755DA1D58E1FB68922391A728AC22" originalValue="μm">μm</normalizedToken>
: b, d, e; 100
<normalizedToken id="DC42129300D5BE8FCCFFC592AA8C5D25" originalValue="μm">μm</normalizedToken>
.
</paragraph>
</caption>
<paragraph id="828620F9BEA4236C23D8FA9B970A296B" lastPageId="3" lastPageNumber="228" pageId="2" pageNumber="227">
Pereon.Pereonite 1 (Fig. 6a): longer than 2; pereonite 2 shortest. Gnathopod 1 (Fig. 8a): coxa subtriangular, posterior margin straight, anterodistal corner broadly rounded, posterodistal corner rectangular, distal margin straight, weakly setose; basis curved, posterior margin with a row of plumose setae; merus, posterodistal lobe rounded, setose; carpus strongly expanded, subrectangular posterior lobe with posterior and distal margins setose; propodus strongly expanded, as long and as wide as carpus, anterior margin convex, palm convex, transverse, crenellate, setose; dactylus falcate, as long as palm.
<pageBreakToken id="F7446E2E486A9170820A54FC4C97F3BA" pageId="3" pageNumber="228" start="start">Gnathopod</pageBreakToken>
2 (Fig. 8b): coxa as long as coxa 1, tapering distally, apex truncate with few setae at the distal margin; basis subrectangular, with a posterodistal group of plumose setae and an anterodistal group of simple setae; merus, posterodistal lobe narrow, setose; carpus strongly expanded, wider than propodus, posterodistal lobe subacute, posterior and distal margins setose; propodus as long as carpus, expanded distally, palm convex, crenellate; dactylus slender, curved, as long as palm. Pereopod 3 (Fig. 9a): coxa subequal to coxa 2, apex rounded, weakly setose; basis shorter than coxa, long plumose setae distally along posterior and anterior margins; merus expanded anterodistally, setose; carpus 1.3
<normalizedToken id="B22F1F26DEBDA672B329F7E1CE1BC3BE" originalValue="×">x</normalizedToken>
length and about as wide as merus, posterior margin densely setose; propodus oval, anterodistal and posterior margins setose; dactylus lanceolate, subequal to propodus. Pereopod 4 (Fig. 9b): coxa wider than long, anterior margin broadly rounded, distal margin straight, posterodistal lobe very strong, subrectangular; basis shorter than coxa, anterior and posterior margins setose distally; merus expanded anterodistally, setose; carpus 0.8
<normalizedToken id="CA690A74232AC323FE822FA4F80BE5F0" originalValue="×">x</normalizedToken>
merus, but subequal in width, posterior margin strongly setose, long setae anterodistally; propodus, anterior margin setose; dactylus, straight, lanceolate, 1.5
<normalizedToken id="8D25CEEE46886CEF55DE5BFD1F93D357" originalValue="×">x</normalizedToken>
propodus. Pereopod 5 (Fig. 9c): coxa about as deep as coxa 4, bilobed, posterior lobe expanded distally, distal margin straight, anterior lobe 0.7
<normalizedToken id="2B58D46BA4BAF85EF34A7470D33FEEDD" originalValue="×">x</normalizedToken>
length of posterior lobe, rounded distally; basis shorter than coxa; merus as long as basis; carpus 0.3
<normalizedToken id="A65D4463ADD9095F52B3B44337534098" originalValue="×">x</normalizedToken>
length of merus; propodus slender, subrectangular, 0.9
<normalizedToken id="3CDF35AAFD8141221C64A7D2A94A44E4" originalValue="×">x</normalizedToken>
merus, about as long as straight lanceolate dactylus; articles 2-6 variously setose. Pereopod 6 (Fig. 10a): coxa 0.8
<normalizedToken id="64B4ECC33A63120EB755E67F4B2CCAD8" originalValue="×">x</normalizedToken>
length of coxa 5, bilobed, posterior lobe long, distal margin rounded, anterior lobe subrectangular, 0.4
<normalizedToken id="892AF8D56A5356793EF876E55E6D8F28" originalValue="×">x</normalizedToken>
length of posterior lobe; basis subrectangular; merus, posterior margin weakly convex; carpus subrectangular, 0.4
<normalizedToken id="DE931E5332E5BECE6572EDE660BD65EF" originalValue="×">x</normalizedToken>
length of merus; propodus and straight dactylus as long as merus; articles 2-6 variously setose. Pereopod 7 (Fig. 10b): long; coxa wider than long, oval, posterodistal corner rounded; basis posterior margin weakly convex, anterior margin strongly convex; merus elongate; carpus, 0.9
<normalizedToken id="7F555EAC23E33462783CF121E0A4F752" originalValue="×">x</normalizedToken>
merus; merus and carpus with groups of short setae on anterior and posterior margins; [propodus and dactylus unknown].
</paragraph>
<caption id="ED59A85AB12ACADB21F4967CDF24DA50" pageId="3" pageNumber="228">
<paragraph id="C8053176549DD432204144123D4B9A4A" pageId="3" pageNumber="228">
Figure 8.
<taxonomicName id="74AEE364F3DAF61790B1874BFB3ECA80" class="Malacostraca" family="Oedicerotidae" genus="Oedicerina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oedicerina vaderi" order="Amphipoda" pageId="3" pageNumber="228" phylum="Arthropoda" rank="species" species="vaderi">Oedicerina vaderi</taxonomicName>
sp. n., male holotype, 7.3 mm; northeast Atlantic Ocean, NHMUK 2014. 398, Discovery Stn 7709#73. a) gnathopod 1; b) gnathopod 2. Scale bars: a, b; 200
<normalizedToken id="39BCF665D87A51F71FB622092211BDC6" originalValue="μm">μm</normalizedToken>
.
</paragraph>
</caption>
<caption id="95368C4FB77800C2B21E1857A3492CA6" pageId="3" pageNumber="228">
<paragraph id="EEB166CDB106C940C3ECFD9AF846B6D6" pageId="3" pageNumber="228">
Figure 9.
<taxonomicName id="AC05D6E0654A5CA8281EF09A23112835" class="Malacostraca" family="Oedicerotidae" genus="Oedicerina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oedicerina vaderi" order="Amphipoda" pageId="3" pageNumber="228" phylum="Arthropoda" rank="species" species="vaderi">Oedicerina vaderi</taxonomicName>
sp. n., male holotype, 7.3 mm; northeast Atlantic Ocean, NHMUK 2014. 398, Discovery Stn 7709#73. a) pereopod 3; b) pereopod 4; c) pereopod 5. Scale bars:
<normalizedToken id="0D08D8812F51A06872BB2AD90D55E29E" originalValue="ac">a-c</normalizedToken>
; 200
<normalizedToken id="08B1EC0D651948F403756626E8090D06" originalValue="μm">μm</normalizedToken>
.
</paragraph>
</caption>
<caption id="988E31CD9529043B557175F0100EAC95" pageId="3" pageNumber="228">
<paragraph id="AB39732488EB76AF88D20379A3327D43" pageId="3" pageNumber="228">
Figure 10.
<normalizedToken id="AC0C108B40F085673FD5AC337707A177" originalValue="ad">a-d</normalizedToken>
, f)
<taxonomicName id="A79EBAC248012A053DF444CC6A92685C" class="Malacostraca" family="Oedicerotidae" genus="Oedicerina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oedicerina vaderi" order="Amphipoda" pageId="3" pageNumber="228" phylum="Arthropoda" rank="species" species="vaderi">Oedicerina vaderi</taxonomicName>
sp. n., male holotype, 7.3 mm; northeast Atlantic Ocean, NHMUK 2014. 398, Discovery Stn 7709#73. a) pereopod 6; b) pereopod 7; c) uropod 3; d) uropod 2, peduncle; f) telson; g) uropod 1. Female paratype, 6.3 mm; same locality. e) pleonite 3 and urosome with telson, uropods not shown, Scale bars:
<normalizedToken id="E7DB559EEE0F9DAA68316FBDD3C39C0D" originalValue="ad">a-d</normalizedToken>
; 200
<normalizedToken id="E12DC639D809BC179DABE8BC82B0E40B" originalValue="μm">μm</normalizedToken>
: e; 1 mm.
</paragraph>
</caption>
<paragraph id="2660B9D129B1A832F975552435B4FE64" pageId="3" pageNumber="228">
Pleon.Pleonites 1-3 (Fig. 6a): smooth, lacking carinae or teeth. Epimera (Fig. 6e): 1 and 3 evenly rounded; epimeron 2, posterodistal angle produced, rounded, posterior margin sinuous. Pleopod 1: peduncle stout, 0.8
<normalizedToken id="A8BB71563628E1B03DEF7F4EF600BEA1" originalValue="×">x</normalizedToken>
length of rami; rami subequal in length.
</paragraph>
<paragraph id="029FEA25C97DD12663A949C70FA54AA3" pageId="3" pageNumber="228">
Urosome.Urosomite 1 (Fig. 10e): longest, with low boss close to the posterior margin; urosomite 3 longer than 2, with short, acute mid-dorsal projection. Uropod 1: peduncle elongate, lateral margin with robust setae, mesial margin setose; inner ramus, [broken], both margins setose; outer ramus 0.7
<normalizedToken id="B72F02EE698C42382278CF1A77232C15" originalValue="×">x</normalizedToken>
length of peduncle, setae on lateral margin only. Uropod 2 (Fig. 10d): peduncle not tapering, both margins with short setae; [rami damaged], inner ramus, both margins setose; outer ramus, lateral margin setose. Uropod 3 (Fig. 10c): peduncle short, about as long as telson, with ventral subacute projection; outer ramus just longer than inner ramus. Telson (Fig. 10f) tapered, notched 40%.
</paragraph>
</subSubSection>
<subSubSection id="13F62B079E4E40CBE0EE01142190F364" pageId="3" pageNumber="228" type="variability">
<paragraph id="E5509F8281F626468F085EA43E46028A" pageId="3" pageNumber="228">Variability.</paragraph>
<paragraph id="E45ECD799CFCF8C33A9F81D6AF515578" pageId="3" pageNumber="228">The paratypes bear a small posteriorly directed tooth on pleonite 3. It may be that this process has been present and is worn down in the holotype. Antenna 1 of the female (Fig. 6b) has a longer and more slender peduncle and fewer and more elongate flagellum articles compared to the male.</paragraph>
</subSubSection>
<subSubSection id="F98C42BCDCA65876583D9BFCD2A766C5" pageId="3" pageNumber="228" type="distribution">
<paragraph id="3941E59443975E406D1AEC7DD1762921" pageId="3" pageNumber="228">Distribution.</paragraph>
<paragraph id="AB77B5B8E20B6F1084B847E9DD00A86E" pageId="3" pageNumber="228">North Atlantic, south of Iceland, 2636-2646 m.</paragraph>
</subSubSection>
</treatment>
</document>