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<document id="324354E04BA371D5CF6C12F8BB3794BE" ID-DOI="10.5281/zenodo.183251" ID-GBIF-Dataset="0891756f-9717-43fa-93db-eeec16eb99ad" ID-ISSN="1175-5326" ID-Zenodo-Dep="183251" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1459899105891" checkinUser="plazi" docAuthor="Broyer, De" docDate="2008" docId="03850900D36DCF25FF2AAE9BFA4234B6" docLanguage="en" docName="zt01843p066.pdf" docOrigin="Zootaxa 1843" docStyle="DocumentStyle:6581673A57F01A3145754A1E615EDFF0.4:Zootaxa.2007-2008.journal_article" docStyleId="6581673A57F01A3145754A1E615EDFF0" docStyleName="Zootaxa.2007-2008.journal_article" docStyleVersion="4" docTitle="Valettiopsidae" docType="treatment" docVersion="8" lastPageNumber="65" masterDocId="FFBC7178D36ACF2DFFBDAE0CFFC23719" masterDocTitle="Alicellidae and Valettiopsidae, two new callynophorate families (Crustacea: Amphipoda)" masterLastPageNumber="66" masterPageNumber="57" pageNumber="64" updateTime="1698228609067" updateUser="plazi">
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<mods:title id="6D0EBF432F41B899D6BD091F2BB79F06">Alicellidae and Valettiopsidae, two new callynophorate families (Crustacea: Amphipoda)</mods:title>
</mods:titleInfo>
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<mods:namePart id="EDD9071638CB0B36EA8965568940309B">Broyer, De</mods:namePart>
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<mods:typeOfResource id="9A921DCC7BB26371F7D88EDE741416A2">text</mods:typeOfResource>
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<mods:title id="970237E6B2A04D7523FAF02D1F8C2716">Zootaxa</mods:title>
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<mods:date id="0496ADB07118ADEACF8CBA9702D93AB3">2008</mods:date>
<mods:detail id="003BFD7B2378C972B00DCD16AF09CF4B" type="volume">
<mods:number id="4752C06B5F24B8DA001A9A418AD0BDD1">1843</mods:number>
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<mods:classification id="1E3E48F3B07BA0D604359FD6C7B82B99">journal article</mods:classification>
<mods:identifier id="D80061ECEAA3516CF18B17B6EBFF68C4" type="DOI">10.5281/zenodo.183251</mods:identifier>
<mods:identifier id="3C662998EE4065A565ECF7B53627A705" type="GBIF-Dataset">0891756f-9717-43fa-93db-eeec16eb99ad</mods:identifier>
<mods:identifier id="0EA3C390A61DED4F8D2AB83D09DCBE21" type="ISSN">1175-5326</mods:identifier>
<mods:identifier id="28C2283B31F290E51E4E38C8896F40EC" type="Zenodo-Dep">183251</mods:identifier>
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<treatment id="03850900D36DCF25FF2AAE9BFA4234B6" ID-DOI="http://doi.org/10.5281/zenodo.6234835" ID-GBIF-Taxon="119372720" ID-Zenodo-Dep="6234835" LSID="urn:lsid:plazi:treatment:03850900D36DCF25FF2AAE9BFA4234B6" httpUri="http://treatment.plazi.org/id/03850900D36DCF25FF2AAE9BFA4234B6" lastPageId="8" lastPageNumber="65" pageId="7" pageNumber="64">
<subSubSection id="C336EB9DD36DCF2AFF2AAE9BFE1537A8" box="[151,471,151,177]" pageId="7" pageNumber="64" type="nomenclature">
<paragraph id="8B93B816D36DCF2AFF2AAE9BFE1537A8" blockId="7.[151,471,151,177]" box="[151,471,151,177]" pageId="7" pageNumber="64">
<heading id="D0DB0F7AD36DCF2AFF2AAE9BFE1537A8" bold="true" box="[151,471,151,177]" fontSize="11" level="1" pageId="7" pageNumber="64" reason="1">
<emphasis id="B9586404D36DCF2AFF2AAE9BFE1537A8" bold="true" box="[151,471,151,177]" pageId="7" pageNumber="64">
<taxonomicName id="4C2CC395D36DCF2AFF2AAE9BFE8537A8" ID-CoL="7NLHY" box="[151,327,151,177]" class="Malacostraca" family="Valettiopsidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="7" pageNumber="64" phylum="Arthropoda" rank="family">Valettiopsidae</taxonomicName>
new family
</emphasis>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C336EB9DD36DCF2AFF2AAEEEFDAE37E5" box="[151,620,226,252]" pageId="7" pageNumber="64" type="materials_examined">
<paragraph id="8B93B816D36DCF2AFF2AAEEEFDAE37E5" blockId="7.[151,1437,226,2012]" box="[151,620,226,252]" pageId="7" pageNumber="64">
<emphasis id="B9586404D36DCF2AFF2AAEEEFEE837E5" bold="true" box="[151,298,226,252]" pageId="7" pageNumber="64">
<typeStatus id="549706B4D36DCF2AFF2AAEEEFF1637E5" box="[151,212,226,252]" pageId="7" pageNumber="64">Type</typeStatus>
genus.
</emphasis>
<taxonomicName id="4C2CC395D36DCF2AFE8FAEEEFDAA37E5" authority="Holmes, 1908" authorityName="Holmes" authorityYear="1908" box="[306,616,226,252]" class="Malacostraca" family="Lysianassidae" genus="Valettiopsis" kingdom="Animalia" order="Amphipoda" pageId="7" pageNumber="64" phylum="Arthropoda" rank="genus">
<emphasis id="B9586404D36DCF2AFE8FAEEEFE7B37E2" box="[306,441,226,251]" italics="true" pageId="7" pageNumber="64">Valettiopsis</emphasis>
<bibRefCitation id="EFBDC5E7D36DCF2AFE7DAEEEFDAA37E5" author="Holmes" box="[448,616,226,252]" pageId="7" pageNumber="66" refString="Holmes, S. J. (1908) The Amphipoda collected by the U. S. Bureau of Fisheries steamer &quot; Albatross &quot; off the west coast of North America, in 1903 and 1904, with descriptions of a new family and several new genera and species. Proceedings of the United States National Museum, 35, 489 - 543." type="journal article" year="1908">Holmes, 1908</bibRefCitation>
</taxonomicName>
.
</paragraph>
</subSubSection>
<subSubSection id="C336EB9DD36DCF25FF78AF06FE2C37C7" lastPageId="8" lastPageNumber="65" pageId="7" pageNumber="64" type="description">
<paragraph id="8B93B816D36DCF2AFF78AF06FE16366D" blockId="7.[151,1437,226,2012]" pageId="7" pageNumber="64">
<emphasis id="B9586404D36DCF2AFF78AF06FE9F363D" bold="true" box="[197,349,266,292]" pageId="7" pageNumber="64">Description.</emphasis>
<emphasis id="B9586404D36DCF2AFEDAAF06FE64363A" box="[359,422,266,291]" italics="true" pageId="7" pageNumber="64">Head</emphasis>
exposed; as long as deep or deeper than long; anteroventral margin concave, weakly recessed, moderately excavate; anteroventral corner subquadrate; rostrum vestigial or absent; eyes absent.
<emphasis id="B9586404D36DCF2AFF2AAF56FF11366A" box="[151,211,346,371]" italics="true" pageId="7" pageNumber="64">Body</emphasis>
laterally compressed.
</paragraph>
<paragraph id="8B93B816D36DCF2AFF78AF8EFE743525" blockId="7.[151,1437,226,2012]" pageId="7" pageNumber="64">
<emphasis id="B9586404D36DCF2AFF78AF8EFEFF3682" box="[197,317,386,411]" italics="true" pageId="7" pageNumber="64">Antenna 1</emphasis>
shorter than or subequal in length to antenna 2; peduncle 3-articulate, with sparse slender setae; peduncular article 1 longer than article 2; article 2 longer than article 3; peduncular articles not geniculate; accessory flagellum short;
<emphasis id="B9586404D36DCF2AFE5DAFDEFD2836F5" bold="true" box="[480,746,466,492]" pageId="7" pageNumber="64">callynophore present</emphasis>
; calceoli present or absent.
<emphasis id="B9586404D36DCF2AFBF4AFDEFB0736F2" box="[1097,1221,466,491]" italics="true" pageId="7" pageNumber="64">Antenna 2</emphasis>
short or medium length; peduncle with many slender or sparse setae; without hook-like process; flagellum longer than peduncle, 5 or more articulate.
</paragraph>
<paragraph id="8B93B816D36DCF2AFF78AC46FCA43435" blockId="7.[151,1437,226,2012]" pageId="7" pageNumber="64">
<emphasis id="B9586404D36DCF2AFF78AC46FE8C357A" box="[197,334,586,611]" italics="true" pageId="7" pageNumber="64">Mouthparts</emphasis>
well developed, forming a subquadrate bundle.
<emphasis id="B9586404D36DCF2AFC1DAC46FF2F3595" bold="true" pageId="7" pageNumber="64">
<emphasis id="B9586404D36DCF2AFC1DAC46FBD1357D" bold="true" box="[928,1043,586,612]" italics="true" pageId="7" pageNumber="64">Mandible</emphasis>
incisors symmetrical, dentate, curved
</emphasis>
;
<emphasis id="B9586404D36DCF2AFF41AC7EFA513595" bold="true" box="[252,1427,626,652]" pageId="7" pageNumber="64">lacinia mobilis present on both mandibles (blade-like, broader than long, with serrate margin)</emphasis>
;
<emphasis id="B9586404D36DCF2AFF2AAC96FE1A35AD" bold="true" box="[151,472,666,692]" pageId="7" pageNumber="64">molar strongly triturative</emphasis>
; palp present.
<emphasis id="B9586404D36DCF2AFD39AC96FD3A35AD" bold="true" box="[644,760,666,692]" italics="true" pageId="7" pageNumber="64">Maxilla 1</emphasis>
inner plate
<emphasis id="B9586404D36DCF2AFC3EAC96FB1735AD" bold="true" box="[899,1237,666,692]" pageId="7" pageNumber="64">setose along medial margin</emphasis>
; outer plate with 6/5 setal-tooth formula; palps symmetrical, 2-articulate.
<emphasis id="B9586404D36DCF2AFC89ACCEFC6535C2" box="[820,935,706,731]" italics="true" pageId="7" pageNumber="64">Maxilla 2</emphasis>
inner and outer plates subequal in length; inner plate with oblique setal row.
<emphasis id="B9586404D36DCF2AFD87ACE6FD7B341A" box="[570,697,746,771]" italics="true" pageId="7" pageNumber="64">Maxilliped</emphasis>
inner plates well developed, separate; outer plate longer than palp article 1, not longer than palp article 2; palp 4-articulate.
</paragraph>
<paragraph id="8B93B816D36DCF2AFF78AD36FC2B34BD" blockId="7.[151,1437,226,2012]" pageId="7" pageNumber="64">
<emphasis id="B9586404D36DCF2AFF78AD36FEE1344D" bold="true" box="[197,291,826,852]" pageId="7" pageNumber="64">Pereon.</emphasis>
<emphasis id="B9586404D36DCF2AFE90AD36FE1D344A" box="[301,479,826,851]" italics="true" pageId="7" pageNumber="64">Pereonites 1–7</emphasis>
separate, complete; pleurae absent.
<emphasis id="B9586404D36DCF2AFC2DAD36FBCD344A" box="[912,1039,826,851]" italics="true" pageId="7" pageNumber="64">Coxae 1–7</emphasis>
well developed, none fused with pereonites, overlapping, none ventrally acute.
<emphasis id="B9586404D36DCF2AFD00AD6EFCFF3462" box="[701,829,866,891]" italics="true" pageId="7" pageNumber="64">Coxae 1–3</emphasis>
well developed, none hidden or some coxae vestigial and hidden by other coxae.
<emphasis id="B9586404D36DCF2AFDB3AD86FD4E34BA" box="[526,652,906,931]" italics="true" pageId="7" pageNumber="64">Coxae 2–4</emphasis>
, none extensively broadened.
</paragraph>
<paragraph id="8B93B816D36DCF2AFF78ADBEFE7833FD" blockId="7.[151,1437,226,2012]" pageId="7" pageNumber="64">
<emphasis id="B9586404D36DCF2AFF78ADBEFEA734D5" bold="true" box="[197,357,946,972]" italics="true" pageId="7" pageNumber="64">Gnathopod 1</emphasis>
similar in males and females; smaller (or weaker) than or similar in size to gnathopod 2; similar in form to gnathopod 2;
<emphasis id="B9586404D36DCF2AFDB1ADD6FD5234ED" bold="true" box="[524,656,986,1012]" pageId="7" pageNumber="64">subchelate</emphasis>
; coxa smaller than or subequal to coxa 2, not produced anteroventrally; ischium elongate, 1.5-
<date id="FF929ED6D36DCF2AFE50AA0EFDD63305" box="[493,532,1026,1052]" pageId="7" pageNumber="64">2 x</date>
as long as broad; merus and carpus not rotated; carpus shorter than or subequal to propodus; dactylus large.
<emphasis id="B9586404D36DCF2AFDF8AA26FD2A335D" bold="true" box="[581,744,1066,1092]" italics="true" pageId="7" pageNumber="64">Gnathopod 2</emphasis>
similar in males and females (not sexually dimorphic);
<emphasis id="B9586404D36DCF2AFF2AAA5EFED93375" bold="true" box="[151,283,1106,1132]" pageId="7" pageNumber="64">subchelate</emphasis>
; coxa subequal to but not hidden by coxa 3;
<emphasis id="B9586404D36DCF2AFC9FAA5EFC023375" bold="true" box="[802,960,1106,1132]" pageId="7" pageNumber="64">ischium long</emphasis>
; carpus/propodus not rectolinear; carpus long, not produced along posterior margin of propodus, projecting between merus and carpus; propodus without complex setae along posterodistal margin; propodus without complex setae along posterodistal margin; dactylus well developed.
</paragraph>
<paragraph id="8B93B816D36DCF2AFF78AAFFFAAC316D" blockId="7.[151,1437,226,2012]" pageId="7" pageNumber="64">
<emphasis id="B9586404D36DCF2AFF78AAFFFE833215" box="[197,321,1267,1292]" italics="true" pageId="7" pageNumber="64">Pereopods</emphasis>
, none prehensile, 3–7 without hooded dactyli.
<emphasis id="B9586404D36DCF2AFC34AAFFFBD63215" box="[905,1044,1267,1292]" italics="true" pageId="7" pageNumber="64">Pereopod 3</emphasis>
coxa longer than broad; carpus shorter than or subequal to propodus, not produced; dactylus well developed.
<emphasis id="B9586404D36DCF2AFB95AB17FB6D322D" box="[1064,1199,1307,1332]" italics="true" pageId="7" pageNumber="64">Pereopod 4</emphasis>
coxa subequal to or larger than coxa 3, not ventrally acute, with well developed or with small posteroventral lobe; carpus shorter than or subequal to propodus, not produced; dactylus well developed.
<emphasis id="B9586404D36DCF2AFC70AB67FBBE329D" box="[973,1148,1387,1412]" italics="true" pageId="7" pageNumber="64">Pereopods 5–7</emphasis>
with few robust or slen- der setae.
<emphasis id="B9586404D36DCF2AFEB1AB9FFE5032B5" box="[268,402,1427,1452]" italics="true" pageId="7" pageNumber="64">Pereopod 5</emphasis>
shorter than or subequal in length to pereopod 6; coxa smaller than coxa 4, equilobate or with large or small anteroventral lobe; basis expanded, subrectangular, subquadrate or subovate, with or without posteroventral lobe; carpus linear; dactylus with setae absent.
<emphasis id="B9586404D36DCF2AFC1CABEFFBEB32E5" box="[929,1065,1507,1532]" italics="true" pageId="7" pageNumber="64">Pereopod 6</emphasis>
subequal in length to or longer than pereopod 7; basis expanded or slightly expanded; dactylus without setae.
<emphasis id="B9586404D36DCF2AFB89A807FB7E313D" box="[1076,1212,1547,1572]" italics="true" pageId="7" pageNumber="64">Pereopod 7</emphasis>
longer than pereopod 5, similar in structure to pereopod 6; basis expanded or slightly expanded, without dense slender setae; dactylus short (between 1/8 and1/4 length of propodus) or medium length (1/4 to 1/2 length of propodus).
</paragraph>
<paragraph id="8B93B816D36DCF2AFF78A88EFF3331F5" blockId="7.[151,1437,226,2012]" pageId="7" pageNumber="64">
<emphasis id="B9586404D36DCF2AFF78A88EFED03185" bold="true" box="[197,274,1666,1692]" pageId="7" pageNumber="64">Pleon.</emphasis>
<emphasis id="B9586404D36DCF2AFEA6A88FFE7E3185" box="[283,444,1667,1692]" italics="true" pageId="7" pageNumber="64">Pleonites 1–3</emphasis>
without transverse dorsal serrations, 1–2 each with or without dorsal spine, without lateral teeth or ridging, without dorsal carina.
<emphasis id="B9586404D36DCF2AFD7CA8A7FC8E31DD" box="[705,844,1707,1732]" italics="true" pageId="7" pageNumber="64">Epimeron 1</emphasis>
well developed.
<emphasis id="B9586404D36DCF2AFBA7A8A7FB6731DD" box="[1050,1189,1707,1732]" italics="true" pageId="7" pageNumber="64">Epimeron 2</emphasis>
setose along ventral margin.
</paragraph>
<paragraph id="8B93B816D36DCF2AFF78A8F7FA5930C5" blockId="7.[151,1437,226,2012]" pageId="7" pageNumber="64">
<emphasis id="B9586404D36DCF2AFF78A8F7FEED300D" box="[197,303,1787,1812]" italics="true" pageId="7" pageNumber="64">Urosome</emphasis>
not dorsoventrally flattened; urosomites 1–3 free; urosomite 1 carinate or not. Urosomite 3 not fused with telson.
<emphasis id="B9586404D36DCF2AFED1A92EFB6F3025" bold="true" box="[364,1197,1826,1852]" pageId="7" pageNumber="64">
<emphasis id="B9586404D36DCF2AFED1A92EFDC43025" bold="true" box="[364,518,1826,1852]" italics="true" pageId="7" pageNumber="64">Uropods 1–2</emphasis>
apices of rami without robust setae or setae embedded
</emphasis>
.
<emphasis id="B9586404D36DCF2AFB01A92FFAE93025" box="[1212,1323,1827,1852]" italics="true" pageId="7" pageNumber="64">Uropod 1</emphasis>
peduncle without long plumose setae; biramous.
<emphasis id="B9586404D36DCF2AFDDFA947FD10307D" box="[610,722,1867,1892]" italics="true" pageId="7" pageNumber="64">Uropod 2</emphasis>
well developed; without dorsal flange; inner ramus subequal in length to or longer than outer ramus.
<emphasis id="B9586404D36DCF2AFDD0A97EFD1D3095" bold="true" box="[621,735,1906,1932]" italics="true" pageId="7" pageNumber="64">Uropod 3</emphasis>
not sexually dimorphic; without medial process; biramous;
<emphasis id="B9586404D36DCF2AFF2AA996FD8130AD" bold="true" box="[151,579,1946,1972]" pageId="7" pageNumber="64">outer ramus longer than peduncle</emphasis>
; inner ramus subequal to outer ramus.
<emphasis id="B9586404D36DCF2AFBAEA996FB9D30AD" bold="true" box="[1043,1119,1946,1972]" italics="true" pageId="7" pageNumber="64">Telson</emphasis>
longer than broad;
<emphasis id="B9586404D36DCF2AFAF6A996FF0F30C5" bold="true" pageId="7" pageNumber="64">deeply cleft</emphasis>
; dorsal or lateral robust setae present or absent; apical slender setae absent;
<emphasis id="B9586404D36DCF2AFBF4A9CEFA5630C5" bold="true" box="[1097,1428,1986,2012]" pageId="7" pageNumber="64">apical robust setae present</emphasis>
.
</paragraph>
<paragraph id="8B93B816D362CF25FF78AE9BFE2C37C7" blockId="8.[151,1436,151,943]" pageId="8" pageNumber="65">
<emphasis id="B9586404D362CF25FF78AE9BFE6F37AA" bold="true" box="[197,429,151,180]" pageId="8" pageNumber="65">Included genera.</emphasis>
The
<taxonomicName id="4C2CC395D362CF25FE49AE94FD6B37AD" box="[500,681,152,180]" class="Malacostraca" family="Valettiopsidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="8" pageNumber="65" phylum="Arthropoda" rank="family">Valettiopsidae</taxonomicName>
includes 2 genera:
<taxonomicName id="4C2CC395D362CF25FC10AE94FA5537AD" authority="Lincoln &amp; Thurston, 1983" authorityName="Lincoln &amp; Thurston" authorityYear="1983" box="[941,1431,152,180]" class="Malacostraca" family="Valettiopsidae" genus="Valettietta" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="8" pageNumber="65" phylum="Arthropoda" rank="genus">
<emphasis id="B9586404D362CF25FC10AE94FBED37AD" box="[941,1071,152,180]" italics="true" pageId="8" pageNumber="65">Valettietta</emphasis>
<bibRefCitation id="EFBDC5E7D362CF25FB87AE94FA5537AD" author="Lincoln" box="[1082,1431,152,180]" pageId="8" pageNumber="66" refString="Lincoln, R. J. &amp; Thurston, M. H. (1983) Valettietta, a new genus of deep-sea amphipod Gammaridea: Lysianassidae) with descriptions of two new species from the north Atlantic Ocean. Bulletin of the British Museum (Natural History), Series Zoology, 44 (2), 85 - 101." type="journal article" year="1983">Lincoln &amp; Thurston, 1983</bibRefCitation>
</taxonomicName>
;
<taxonomicName id="4C2CC395D362CF25FF2AAECEFE2837C7" authority="Holmes, 1908" authorityName="Holmes" authorityYear="1908" box="[151,490,194,222]" class="Malacostraca" family="Lysianassidae" genus="Valettiopsis" kingdom="Animalia" order="Amphipoda" pageId="8" pageNumber="65" phylum="Arthropoda" rank="genus">
<emphasis id="B9586404D362CF25FF2AAECEFEE937C7" box="[151,299,194,222]" italics="true" pageId="8" pageNumber="65">Valettiopsis</emphasis>
<bibRefCitation id="EFBDC5E7D362CF25FE8FAECEFE2837C7" author="Holmes" box="[306,490,194,222]" pageId="8" pageNumber="66" refString="Holmes, S. J. (1908) The Amphipoda collected by the U. S. Bureau of Fisheries steamer &quot; Albatross &quot; off the west coast of North America, in 1903 and 1904, with descriptions of a new family and several new genera and species. Proceedings of the United States National Museum, 35, 489 - 543." type="journal article" year="1908">Holmes, 1908</bibRefCitation>
</taxonomicName>
.
</paragraph>
</subSubSection>
<subSubSection id="C336EB9DD362CF25FF78AEE1FAE33446" pageId="8" pageNumber="65" type="discussion">
<paragraph id="8B93B816D362CF25FF78AEE1FC6236EE" blockId="8.[151,1436,151,943]" pageId="8" pageNumber="65">
<emphasis id="B9586404D362CF25FF78AEE1FEFC361E" bold="true" box="[197,318,237,263]" pageId="8" pageNumber="65">Remarks.</emphasis>
Valettiopsids are deep-sea scavengers, occurring from the continental shelf down to
<quantity id="4CD415F3D362CF25FAFDAEE1FA5E361E" box="[1344,1436,237,263]" metricMagnitude="3" metricUnit="m" metricValue="4.3" pageId="8" pageNumber="65" unit="m" value="4300.0">4300 m</quantity>
depth. Valettiopsids have been compared to valettid amphipods (
<bibRefCitation id="EFBDC5E7D362CF25FC36AF19FBF83636" author="Thurston" box="[907,1082,277,303]" pageId="8" pageNumber="66" refString="Thurston, M. H. (1989) A new species of Valettia (Crustacea: Amphipoda) and the relationship of the Valettidae to the Lysianassoidea. Journal of Natural History, 23 (5), 1093 - 1107." type="journal article" year="1989">Thurston 1989</bibRefCitation>
) which are close associates of deep-sea holothurians. Both families are callynophorate amphipods, both have curved dentate incisors, triturating molars, marginal setae along the inner plate of maxilla 1, elongate ischium on gnathopod 2, equilobate coxa on pereopod 5, no robust apical setae on uropods 1 and 2 and deeply cleft telsons. However valettids do not have an oblique setal row on the inner plate of maxilla 2, the outer maxillipedal plate does not have apical robust or slender setae and the telson is shorter and bears no setae.
</paragraph>
<paragraph id="8B93B816D362CF25FF78AC09FE4835FE" blockId="8.[151,1436,151,943]" pageId="8" pageNumber="65">
Valettiopsids also show affinities to the
<taxonomicName id="4C2CC395D362CF25FD25AC09FC953506" box="[664,855,517,543]" class="Malacostraca" family="Miramarassidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="8" pageNumber="65" phylum="Arthropoda" rank="family">Miramarassidae</taxonomicName>
. Both have uropods 1 and 2 without apical robust setae, deeply cleft telsons, elongate ischia on the second gnathopods with rectolinear carpi and propodi, a lacinia mobilis on both mandibles, inner plates of maxillae 1 with setae along the medial margins and rami of third uropods longer than the peduncles. But among other differences the miramarassids apparently have no callynophore nor posteroventral lobe on the pereopod 4 coxa and the structure of the antenna 1 peduncular articles are different.
</paragraph>
<paragraph id="8B93B816D362CF25FF78ACF9FAE33446" blockId="8.[151,1436,151,943]" pageId="8" pageNumber="65">
Valettiopsids also appear to be related to eusirids (
<emphasis id="B9586404D362CF25FCABACF9FC683417" box="[790,938,757,782]" italics="true" pageId="8" pageNumber="65">sensu stricto</emphasis>
). They differ in the well developed accessory flagellum (minute or scale-like in eusirids), in the inner plate of maxilla 1 which has setae along the entire medial margin (apical in eusirids) and in the long ischium on gnathopod 2 (short in eusirids).
</paragraph>
</subSubSection>
<subSubSection id="C336EB9DD362CF25FF78AD61FA4234B6" pageId="8" pageNumber="65" type="distribution">
<paragraph id="8B93B816D362CF25FF78AD61FA4234B6" blockId="8.[151,1436,151,943]" pageId="8" pageNumber="65">
<emphasis id="B9586404D362CF25FF78AD61FEA4349E" bold="true" box="[197,358,877,903]" pageId="8" pageNumber="65">Distribution.</emphasis>
Known from about 50° north to 40° south in the Atlantic and Pacific Oceans,
<quantity id="4CD415F3D362CF25FAB5AD61FA5E349E" box="[1288,1436,877,903]" metricMagnitude="3" metricUnit="m" metricValue="3.0915" metricValueMax="6.0" metricValueMin="0.183" pageId="8" pageNumber="65" unit="m" value="3091.5" valueMax="6000.0" valueMin="183.0">183–6000 m</quantity>
depth. Also known from an anchialine cave in the Galapagos Islands,
<quantity id="4CD415F3D362CF25FC77AD99FBF034B6" box="[970,1074,917,943]" metricMagnitude="1" metricUnit="m" metricValue="2.3" metricValueMax="2.9" metricValueMin="1.7" pageId="8" pageNumber="65" unit="m" value="23.0" valueMax="29.0" valueMin="17.0">17–29 m</quantity>
depth (
<bibRefCitation id="EFBDC5E7D362CF25FB34AD99FAB134B6" author="Stock" box="[1161,1395,917,943]" pageId="8" pageNumber="66" refString="Stock, J. H. &amp; Iliffe, T. M. (1990) Amphipod crustaceans from anchihaline cave waters of the Galapagos Islands. Zoological Journal of the Linnean Society, 98, 141 - 160." type="journal article" year="1990">Stock &amp; Iliffe 1990</bibRefCitation>
).
</paragraph>
</subSubSection>
</treatment>
</document>
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