treatments-xml/data/03/C5/87/03C5878E63189F13FF46FA474E00C9AA.xml
2024-06-21 12:22:17 +02:00

340 lines
62 KiB
XML
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

<document id="5A94A866D91D768134FF5D442158771F" ID-DOI="10.5281/zenodo.181729" ID-GBIF-Dataset="4f3eeed9-6817-4a8f-8464-95f84391260e" ID-ISSN="1175-5326" ID-Zenodo-Dep="181729" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1459838520192" checkinUser="plazi" docAuthor="Grave, De" docDate="2008" docId="03C5878E63189F13FF46FA474E00C9AA" docLanguage="en" docName="zt01750p052.pdf" docOrigin="Zootaxa 1750" docStyle="DocumentStyle:6581673A57F01A3145754A1E615EDFF0.4:Zootaxa.2007-2008.journal_article" docStyleId="6581673A57F01A3145754A1E615EDFF0" docStyleName="Zootaxa.2007-2008.journal_article" docStyleVersion="4" docTitle="Leptathanas powelli Grave, 2008, sp. nov." docType="treatment" docVersion="9" lastPageNumber="51" masterDocId="FFFCFFF6631A9F1BFFD1FFD04D64CE48" masterDocTitle="Leptathanas powelli gen. nov., sp. nov, a new infaunal alpheid shrimp associated with upogebiid mudshrimps in Nigeria (Crustacea, Decapoda)" masterLastPageNumber="52" masterPageNumber="43" pageNumber="45" updateTime="1698224011786" updateUser="plazi">
<mods:mods id="CB43CB561FBE9CB839E47DFD1C74455A" xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo id="682EE616510BE3BC2D57A721156B5951">
<mods:title id="706911D7E35CF6351BD812E0096266D7">Leptathanas powelli gen. nov., sp. nov, a new infaunal alpheid shrimp associated with upogebiid mudshrimps in Nigeria (Crustacea, Decapoda)</mods:title>
</mods:titleInfo>
<mods:name id="BC6559B7F57CF9EC5ADB5A445BAC2441" type="personal">
<mods:role id="52DAD2FEE6559DBB2B34BDF44E786965">
<mods:roleTerm id="6FDE95649B163C2E3F5EF03B38AA10FE">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="36C608E8AF19FFBF0DCF5D08FCBE3560">Grave, De</mods:namePart>
</mods:name>
<mods:typeOfResource id="00A85F1443DCEFC8E4D510D933A5BFDE">text</mods:typeOfResource>
<mods:relatedItem id="DAA335BCCAC4CF882AB1CBC616072846" type="host">
<mods:titleInfo id="50325189ED8EC2EF11F2820C6D4EB044">
<mods:title id="0F3716E2AD98BEFD4F4987ECBD6A5CB0">Zootaxa</mods:title>
</mods:titleInfo>
<mods:part id="4C94E80CED73E5E80B45EAAB673B6D01">
<mods:date id="1163D783DB5F115F5FC30500BAF41768">2008</mods:date>
<mods:detail id="C2312DF01EA0F7932DFA3152D10FDE60" type="volume">
<mods:number id="42D31B453CD289E5FF6D98858783EAA4">1750</mods:number>
</mods:detail>
<mods:extent id="12AA8ACF67AE6658F12C803A305972D7" unit="page">
<mods:start id="9E7A7A54C6E277375E3127BF55E46067">43</mods:start>
<mods:end id="CE2264935CE626781AC4371B78220F56">52</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:classification id="85DD47A9D901DCD79823FFEECE183D07">journal article</mods:classification>
<mods:identifier id="6BD9904203DDDEC034F3540FE52FF83B" type="DOI">10.5281/zenodo.181729</mods:identifier>
<mods:identifier id="C441BA94F75CFB635421821C6FD6AAD1" type="GBIF-Dataset">4f3eeed9-6817-4a8f-8464-95f84391260e</mods:identifier>
<mods:identifier id="9F1FCA89FD8EECA591401C79B40023F3" type="ISSN">1175-5326</mods:identifier>
<mods:identifier id="E49CD492C606B8C28E8D8B5CD13BDFD8" type="Zenodo-Dep">181729</mods:identifier>
</mods:mods>
<treatment id="03C5878E63189F13FF46FA474E00C9AA" ID-DOI="http://doi.org/10.5281/zenodo.6228012" ID-GBIF-Taxon="119359530" ID-Zenodo-Dep="6228012" LSID="urn:lsid:plazi:treatment:03C5878E63189F13FF46FA474E00C9AA" httpUri="http://treatment.plazi.org/id/03C5878E63189F13FF46FA474E00C9AA" lastPageId="8" lastPageNumber="51" pageId="2" pageNumber="45">
<subSubSection id="C376651363189F19FF46FA474C60CB9C" pageId="2" pageNumber="45" type="nomenclature">
<paragraph id="8BD3369863189F19FF46FA474C8BCBF9" blockId="2.[151,495,1431,1492]" box="[151,495,1431,1457]" pageId="2" pageNumber="45">
<heading id="D09B81F463189F19FF46FA474C8BCBF9" bold="true" box="[151,495,1431,1457]" fontSize="11" level="1" pageId="2" pageNumber="45" reason="1">
<emphasis id="B918EA8A63189F19FF46FA474C8BCBF9" bold="true" box="[151,495,1431,1457]" pageId="2" pageNumber="45">
<taxonomicName id="4C6C4D1B63189F19FF46FA474CEECBF9" ID-CoL="85TJW" box="[151,394,1431,1457]" class="Malacostraca" family="Alpheidae" genus="Leptathanas" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="45" phylum="Arthropoda" rank="species" species="powelli" status="sp. nov.">
<emphasis id="B918EA8A63189F19FF46FA474CEECBF9" bold="true" box="[151,394,1431,1457]" italics="true" pageId="2" pageNumber="45">Leptathanas powelli</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A22B57F163189F19FE40FA474C8BCBF9" box="[401,495,1431,1457]" pageId="2" pageNumber="45" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
<paragraph id="8BD3369863189F19FF46FA6A4C60CB9C" blockId="2.[151,495,1431,1492]" box="[151,260,1466,1492]" pageId="2" pageNumber="45">
<figureCitation id="13572A1D63189F19FF46FA6A4C60CB9C" box="[151,260,1466,1492]" captionStart-0="FIGURE 1" captionStart-1="FIGURE 2" captionStart-2="FIGURE 3" captionStart-3="FIGURE 4" captionStart-4="FIGURE 5" captionStartId-0="3.[151,255,1941,1965]" captionStartId-1="4.[151,255,1932,1956]" captionStartId-2="5.[151,255,1854,1878]" captionStartId-3="6.[151,255,1626,1650]" captionStartId-4="7.[151,255,1637,1661]" captionTargetBox-0="[191,1386,195,1897]" captionTargetBox-1="[161,1401,199,1908]" captionTargetBox-2="[166,1411,204,1806]" captionTargetBox-3="[185,1370,189,1625]" captionTargetBox-4="[176,1376,300,1606]" captionTargetId-0="figure@3.[179,1425,189,1929]" captionTargetId-1="figure@4.[155,1431,194,1908]" captionTargetId-2="figure@5.[160,1427,194,1830]" captionTargetId-3="figure@6.[182,1408,184,1631]" captionTargetId-4="figure@7.[154,1389,288,1607]" captionTargetPageId-0="3" captionTargetPageId-1="4" captionTargetPageId-2="5" captionTargetPageId-3="6" captionTargetPageId-4="7" captionText-0="FIGURE 1. Leptathanas powelli gen. nov., sp. nov. Holotype ovigerous female (cl 3.2 mm, RMNH D 00000). A: habitus, lateral view; B: frontal region, lateral view; C: frontal region, dorsal view; D; carapace, lateral view; E: pleon, lateral view. Scale bars: 1 mm." captionText-1="FIGURE 2. Leptathanas powelli gen. nov., sp. nov. Paratype ovigerous female (cl 4.0 mm, RMNH D 49914 - 1). A; mandible, mesial view; B: maxillule, lateral view; C: maxilla, lateral view; D; first maxilliped, lateral view; E; second maxilliped, lateral view; F: third maxilliped, lateral view; G: same, tip of ultimate segment. Scale bars: 0.5 mm." captionText-2="FIGURE 3. Leptathanas powelli gen. nov., sp. nov. Paratype ovigerous female (cl 3.0 mm, RMNH D 49914 - 2). A: antennule, dorsal view; B: scaphocerite, dorsal view; C: left (minor) cheliped, mesial view; D: right (major) cheliped, mesial view; E: same, detail of coxa; F: same, detail of merus; G: same, chela in lateral view; H: same, fingers. Scale bars: 1 mm (D), 0.5 mm (A C, E G), 0.25 mm (H)." captionText-3="FIGURE 4. Leptathanas powelli gen. nov., sp. nov. Paratype ovigerous female (cl 3.0 mm, RMNH D 49914 - 2). A: second pereiopod, mesial view; B: same, tip of chela; C: third pereiopod, mesial view; D: same, distal propodus and dactylus; E: fourth pereiopod, mesial view; F: fifth pereiopod, mesial view; G: same, distal propodus and dactylus. Scale bars: 1 mm (B), 0.5 mm (A, C, E F), 0.25 mm (D, G)." captionText-4="FIGURE 5. Leptathanas powelli gen. nov., sp. nov. Paratype ovigerous female (cl 3.0 mm, RMNH D 49914 - 2). A: uropod, dorsal view; B: same, protopod; C: same, lateral portion of diaeresis; D: telson, dorsal view; E: same, detail of posterior margin. Paratype male (cl 2.25 mm, RMNH D 49914 - 3). F: second pleopod, mesial view; G: same, appendix interna and masculina. Scale bars: 0.5 mm (A, C, E F), 0.25 mm (D, G), 0.1 mm (B)." httpUri-0="https://zenodo.org/record/181730/files/figure.png" httpUri-1="https://zenodo.org/record/181731/files/figure.png" httpUri-2="https://zenodo.org/record/181732/files/figure.png" httpUri-3="https://zenodo.org/record/181733/files/figure.png" httpUri-4="https://zenodo.org/record/181734/files/figure.png" pageId="2" pageNumber="45">Figs. 15</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="C376651363189F19FF46F9D04F6CC85F" box="[151,520,1536,1559]" pageId="2" pageNumber="45" type="description">
<paragraph id="8BD3369863189F19FF46F9D04F6CC85F" blockId="2.[151,520,1536,1559]" box="[151,520,1536,1559]" pageId="2" pageNumber="45">
<treatmentCitationGroup id="AB7C11B663189F19FF46F9D04F6CC85F" box="[151,520,1536,1559]" pageId="2" pageNumber="45">
<taxonomicName id="4C6C4D1B63189F19FF46F9D04C7EC85F" ID-CoL="84PMC" box="[151,282,1536,1559]" class="Malacostraca" family="Alpheidae" genus="Leptalpheus" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="45" phylum="Arthropoda" rank="genus">
<emphasis id="B918EA8A63189F19FF46F9D04C7EC85F" box="[151,282,1536,1559]" italics="true" pageId="2" pageNumber="45">Leptalpheus</emphasis>
</taxonomicName>
sp.
<treatmentCitation id="0ACD108963189F19FE94F9D04F6CC85F" author="Powell" box="[325,520,1536,1559]" page="236" pageId="2" pageNumber="45" year="1985">
<bibRefCitation id="EFFD4B6963189F19FE94F9D04CB1C85F" author="Powell" box="[325,469,1536,1559]" pageId="2" pageNumber="52" refString="Powell, C. B. (1985) The decapod crustaceans of the Niger Delta. In: Wilcox, B. H. R &amp; Powell, C. B. The mangrove system of the Niger delta: Proceedings of a workshop, 226 - 238. University of Port Harcourt Press, Port Harcourt." type="book chapter" year="1985">Powell, 1985</bibRefCitation>
: 236
</treatmentCitation>
</treatmentCitationGroup>
</paragraph>
</subSubSection>
<subSubSection id="C376651363189F19FF46F9974CD4C91A" pageId="2" pageNumber="45" type="materials_examined">
<paragraph id="8BD3369863189F19FF46F9974E2FC892" blockId="2.[151,1436,1607,1994]" pageId="2" pageNumber="45">
<emphasis id="B918EA8A63189F19FF46F9974CF5C829" bold="true" box="[151,401,1607,1633]" pageId="2" pageNumber="45">Material examined:</emphasis>
<typeStatus id="54D7883A63189F19FE4CF9984F6BC82A" box="[413,527,1608,1634]" pageId="2" pageNumber="45" type="holotype">Holotype</typeStatus>
: ovigerous female (cl
<quantity id="4C949B7D63189F19FCF2F9984EE2C82A" box="[803,902,1608,1634]" metricMagnitude="-3" metricUnit="m" metricValue="3.2" pageId="2" pageNumber="45" unit="mm" value="3.2">3.2 mm</quantity>
),
<collectingCountry id="F37B760863189F19FC4EF9984E9EC82A" box="[927,1018,1608,1634]" name="Nigeria" pageId="2" pageNumber="45">Nigeria</collectingCountry>
,
<collectingCountry id="F37B760863189F19FBD8F9984928C82A" box="[1033,1100,1608,1634]" name="Niger" pageId="2" pageNumber="45">Niger</collectingCountry>
delta, Eagle Island, Bonny River system, leg. C.B. Powell,
<date id="FFD2105863189F19FDCDF9A04E6CC8C2" box="[540,776,1648,1674]" pageId="2" pageNumber="45" value="1979-09-20">20 September 1979</date>
, from burrows of
<taxonomicName id="4C6C4D1B63189F19FC37F9A049D3C8C1" box="[998,1207,1648,1673]" class="Malacostraca" family="Upogebiidae" genus="Upogebia" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="45" phylum="Arthropoda" rank="species" species="furcata">
<emphasis id="B918EA8A63189F19FC37F9A049D3C8C1" box="[998,1207,1648,1673]" italics="true" pageId="2" pageNumber="45">Upogebia furcata</emphasis>
</taxonomicName>
(
<collectionCode id="ED7DAE5D63189F19FB19F9A04846C8C2" LSID="urn:lsid:biocol.org:col:34992" box="[1224,1314,1648,1674]" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34992" name="National Museum of Natural History, Naturalis" pageId="2" pageNumber="45">RMNH</collectionCode>
D52026).
<typeStatus id="54D7883A63189F19FF46F9484C6AC8FA" box="[151,270,1688,1714]" pageId="2" pageNumber="45" type="paratype">Paratypes</typeStatus>
:
<specimenCount id="9D6AFD1163189F19FECDF9484CA5C8FA" box="[284,449,1688,1714]" pageId="2" pageNumber="45" type="generic">13 specimens</specimenCount>
, males and females (cl
<quantity id="4C949B7D63189F19FD35F9484E1DC8FA" box="[740,889,1688,1714]" metricMagnitude="-3" metricUnit="m" metricValue="2.6" metricValueMax="3.4" metricValueMin="1.8" pageId="2" pageNumber="45" unit="mm" value="2.6" valueMax="3.4" valueMin="1.8">1.83.4 mm</quantity>
), from same lot/locality (
<collectionCode id="ED7DAE5D63189F19FB7CF9484863C8FA" LSID="urn:lsid:biocol.org:col:34992" box="[1197,1287,1688,1714]" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34992" name="National Museum of Natural History, Naturalis" pageId="2" pageNumber="45">RMNH</collectionCode>
D49914);
<specimenCount id="9D6AFD1163189F19FA5CF9484C75C892" pageId="2" pageNumber="45" type="generic">5 specimens</specimenCount>
from same lot/locality (
<collectionCode id="ED7DAE5D63189F19FDFBF9104FFFC892" box="[554,667,1728,1754]" pageId="2" pageNumber="45">OUMNH</collectionCode>
2008-02-001).
</paragraph>
<paragraph id="8BD3369863189F19FF17F9374CD4C91A" blockId="2.[151,1436,1607,1994]" pageId="2" pageNumber="45">
<emphasis id="B918EA8A63189F19FF17F9374CA6C949" bold="true" box="[198,450,1767,1793]" pageId="2" pageNumber="45">Derivation of name:</emphasis>
Named after the collector of the
<typeStatus id="54D7883A63189F19FC9BF9384E18C94A" box="[842,892,1768,1794]" pageId="2" pageNumber="45">type</typeStatus>
series, C. B. Powell (
<date id="FFD2105863189F19FBAFF9384863C94A" box="[1150,1287,1768,1794]" pageId="2" pageNumber="45" value="1943" valueMax="1998">19431998</date>
), in recognition of his considerable field collecting skills and his advancement of our knowledge of Nigerian
<taxonomicName id="4C6C4D1B63189F19FAF6F8C048F8C962" box="[1319,1436,1808,1834]" class="Malacostraca" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="45" phylum="Arthropoda" rank="order">Decapoda</taxonomicName>
(see
<bibRefCitation id="EFFD4B6963189F19FF1CF8E84CC0C91A" author="Williamson" box="[205,420,1848,1874]" pageId="2" pageNumber="52" refString="Williamson, K. (2003) Charles Bruce Powell 1943 - 1998. Crustaceana, 75, 1275 - 1278." type="journal article" year="2003">Williamson, 2003</bibRefCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="C376651363189F13FF17F88F4CAAC90A" lastPageId="8" lastPageNumber="51" pageId="2" pageNumber="45" type="description">
<paragraph id="8BD3369863189F1DFF17F88F4805C90F" blockId="2.[151,1436,1607,1994]" lastBlockId="6.[151,1436,1800,2020]" lastPageId="6" lastPageNumber="49" pageId="2" pageNumber="45">
<emphasis id="B918EA8A63189F19FF17F88F4C05C931" bold="true" box="[198,353,1887,1913]" pageId="2" pageNumber="45">Description:</emphasis>
Body moderately elongate (
<figureCitation id="13572A1D63189F19FD01F8B04E73C932" box="[720,791,1888,1914]" captionStart="FIGURE 1" captionStartId="3.[151,255,1941,1965]" captionTargetBox="[191,1386,195,1897]" captionTargetId="figure@3.[179,1425,189,1929]" captionTargetPageId="3" captionText="FIGURE 1. Leptathanas powelli gen. nov., sp. nov. Holotype ovigerous female (cl 3.2 mm, RMNH D 00000). A: habitus, lateral view; B: frontal region, lateral view; C: frontal region, dorsal view; D; carapace, lateral view; E: pleon, lateral view. Scale bars: 1 mm." httpUri="https://zenodo.org/record/181730/files/figure.png" pageId="2" pageNumber="45">Fig. 1</figureCitation>
A), not compressed laterally, glabrous. Orbital teeth absent, pterygostomial angle rounded, branchiostegal margin sparsely furnished with setae, cardiac notch well developed (
<figureCitation id="13572A1D63189F19FECEF8604C05C982" box="[287,353,1968,1994]" captionStart="FIGURE 1" captionStartId="3.[151,255,1941,1965]" captionTargetBox="[191,1386,195,1897]" captionTargetId="figure@3.[179,1425,189,1929]" captionTargetPageId="3" captionText="FIGURE 1. Leptathanas powelli gen. nov., sp. nov. Holotype ovigerous female (cl 3.2 mm, RMNH D 00000). A: habitus, lateral view; B: frontal region, lateral view; C: frontal region, dorsal view; D; carapace, lateral view; E: pleon, lateral view. Scale bars: 1 mm." httpUri="https://zenodo.org/record/181730/files/figure.png" pageId="2" pageNumber="45">Fig. 1</figureCitation>
D). Frontal margin with shallow, triangular rostrum (
<figureCitation id="13572A1D63189F19FC06F860497DC982" box="[983,1049,1968,1994]" captionStart="FIGURE 1" captionStartId="3.[151,255,1941,1965]" captionTargetBox="[191,1386,195,1897]" captionTargetId="figure@3.[179,1425,189,1929]" captionTargetPageId="3" captionText="FIGURE 1. Leptathanas powelli gen. nov., sp. nov. Holotype ovigerous female (cl 3.2 mm, RMNH D 00000). A: habitus, lateral view; B: frontal region, lateral view; C: frontal region, dorsal view; D; carapace, lateral view; E: pleon, lateral view. Scale bars: 1 mm." httpUri="https://zenodo.org/record/181730/files/figure.png" pageId="2" pageNumber="45">Fig. 1</figureCitation>
B, C), rostral carina weakly developed, extending to mid-length of carapace. Eyes concealed in dorsal or lateral view (
<figureCitation id="13572A1D631C9F1DFB61F8D84996C96A" box="[1200,1266,1800,1826]" captionStart="FIGURE 1" captionStartId="3.[151,255,1941,1965]" captionTargetBox="[191,1386,195,1897]" captionTargetId="figure@3.[179,1425,189,1929]" captionTargetPageId="3" captionText="FIGURE 1. Leptathanas powelli gen. nov., sp. nov. Holotype ovigerous female (cl 3.2 mm, RMNH D 00000). A: habitus, lateral view; B: frontal region, lateral view; C: frontal region, dorsal view; D; carapace, lateral view; E: pleon, lateral view. Scale bars: 1 mm." httpUri="https://zenodo.org/record/181730/files/figure.png" pageId="6" pageNumber="49">Fig. 1</figureCitation>
B, C), without anterior projections, cornea well developed. Ocellar beak not conspicuous. Epistomial sclerite unarmed.
</paragraph>
<caption id="DF13661063199F18FF46F8454CF2C9BA" httpUri="https://zenodo.org/record/181730/files/figure.png" pageId="3" pageNumber="46" targetBox="[191,1386,195,1897]" targetPageId="3">
<paragraph id="8BD3369863199F18FF46F8454CF2C9BA" blockId="3.[151,1436,1941,2034]" pageId="3" pageNumber="46">
<emphasis id="B918EA8A63199F18FF46F8454C7DC9E5" bold="true" box="[151,281,1941,1965]" pageId="3" pageNumber="46">FIGURE 1.</emphasis>
<taxonomicName id="4C6C4D1B63199F18FEF0F8464C9FC9E5" box="[289,507,1942,1965]" class="Malacostraca" family="Alpheidae" genus="Leptathanas" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="3" pageNumber="46" phylum="Arthropoda" rank="species" species="powelli" status="gen. nov.">
<emphasis id="B918EA8A63199F18FEF0F8464C9FC9E5" box="[289,507,1942,1965]" italics="true" pageId="3" pageNumber="46">Leptathanas powelli</emphasis>
</taxonomicName>
<emphasis id="B918EA8A63199F18FDD3F8454F02C9E5" bold="true" box="[514,614,1941,1965]" pageId="3" pageNumber="46">
<taxonomicNameLabel id="A22B57F163199F18FDD3F8454F02C9E5" box="[514,614,1941,1965]" pageId="3" pageNumber="46" rank="genus">gen. nov.</taxonomicNameLabel>
</emphasis>
,
<emphasis id="B918EA8A63199F18FDA5F8454FAFC9E5" bold="true" box="[628,715,1941,1965]" pageId="3" pageNumber="46">sp. nov.</emphasis>
Holotype ovigerous female (cl 3.2 mm, RMNH
<accessionNumber id="943FAB7B63199F18FB06F8464855C9E5" box="[1239,1329,1942,1965]" httpUri="https://www.ebi.ac.uk/ena/browser/api/embl/D00000" pageId="3" pageNumber="46" type="EnaNcbi">D00000</accessionNumber>
). A: habitus, lateral view; B: frontal region, lateral view; C: frontal region, dorsal view; D; carapace, lateral view; E: pleon, lateral view. Scale bars: 1 mm.
</paragraph>
</caption>
<caption id="DF136610631E9F1FFF46F85C4866C9A1" httpUri="https://zenodo.org/record/181731/files/figure.png" pageId="4" pageNumber="47" targetBox="[161,1401,199,1908]" targetPageId="4">
<paragraph id="8BD33698631E9F1FFF46F85C4866C9A1" blockId="4.[151,1436,1932,2025]" pageId="4" pageNumber="47">
<emphasis id="B918EA8A631E9F1FFF46F85C4C7CC9EC" bold="true" box="[151,280,1932,1956]" pageId="4" pageNumber="47">FIGURE 2.</emphasis>
<taxonomicName id="4C6C4D1B631E9F1FFECEF85C4C9CC9EB" box="[287,504,1932,1955]" class="Malacostraca" family="Alpheidae" genus="Leptathanas" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="4" pageNumber="47" phylum="Arthropoda" rank="species" species="powelli" status="gen. nov.">
<emphasis id="B918EA8A631E9F1FFECEF85C4C9CC9EB" box="[287,504,1932,1955]" italics="true" pageId="4" pageNumber="47">Leptathanas powelli</emphasis>
</taxonomicName>
<emphasis id="B918EA8A631E9F1FFE2FF85C4F05C9EC" bold="true" box="[510,609,1932,1956]" pageId="4" pageNumber="47">
<taxonomicNameLabel id="A22B57F1631E9F1FFE2FF85C4F05C9EC" box="[510,609,1932,1956]" pageId="4" pageNumber="47" rank="genus">gen. nov.</taxonomicNameLabel>
</emphasis>
,
<emphasis id="B918EA8A631E9F1FFDBFF85C4FA0C9EC" bold="true" box="[622,708,1932,1956]" pageId="4" pageNumber="47">sp. nov.</emphasis>
Paratype ovigerous female (cl 4.0 mm, RMNH D49914-1). A; mandible, mesial view; B: maxillule, lateral view; C: maxilla, lateral view; D; first maxilliped, lateral view; E; second maxilliped, lateral view; F: third maxilliped, lateral view; G: same, tip of ultimate segment. Scale bars: 0.5 mm.
</paragraph>
</caption>
<caption id="DF136610631F9F1EFF46F8EE4FA5C9F5" httpUri="https://zenodo.org/record/181732/files/figure.png" pageId="5" pageNumber="48" targetBox="[166,1411,204,1806]" targetPageId="5">
<paragraph id="8BD33698631F9F1EFF46F8EE4FA5C9F5" blockId="5.[151,1436,1854,1981]" pageId="5" pageNumber="48">
<emphasis id="B918EA8A631F9F1EFF46F8EE4C78C91E" bold="true" box="[151,284,1854,1878]" pageId="5" pageNumber="48">FIGURE 3.</emphasis>
<taxonomicName id="4C6C4D1B631F9F1EFEF4F8EE4F66C91D" box="[293,514,1854,1877]" class="Malacostraca" family="Alpheidae" genus="Leptathanas" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="48" phylum="Arthropoda" rank="species" species="powelli" status="gen. nov.">
<emphasis id="B918EA8A631F9F1EFEF4F8EE4F66C91D" box="[293,514,1854,1877]" italics="true" pageId="5" pageNumber="48">Leptathanas powelli</emphasis>
</taxonomicName>
<emphasis id="B918EA8A631F9F1EFDDAF8EE4F16C91E" bold="true" box="[523,626,1854,1878]" pageId="5" pageNumber="48">
<taxonomicNameLabel id="A22B57F1631F9F1EFDDAF8EE4F16C91E" box="[523,626,1854,1878]" pageId="5" pageNumber="48" rank="genus">gen. nov.</taxonomicNameLabel>
</emphasis>
,
<emphasis id="B918EA8A631F9F1EFD53F8EE4FBEC91E" bold="true" box="[642,730,1854,1878]" pageId="5" pageNumber="48">sp. nov.</emphasis>
Paratype ovigerous female (cl 3.0 mm, RMNH D49914-2). A: antennule, dorsal view; B: scaphocerite, dorsal view; C: left (minor) cheliped, mesial view; D: right (major) cheliped, mesial view; E: same, detail of coxa; F: same, detail of merus; G: same, chela in lateral view; H: same, fingers. Scale bars: 1 mm (D), 0.5 mm (AC, EG), 0.25 mm (H).
</paragraph>
</caption>
<caption id="DF136610631C9F1DFF46F98A4FC5C891" httpUri="https://zenodo.org/record/181733/files/figure.png" pageId="6" pageNumber="49" targetBox="[185,1370,189,1625]" targetPageId="6">
<paragraph id="8BD33698631C9F1DFF46F98A4FC5C891" blockId="6.[151,1437,1626,1753]" pageId="6" pageNumber="49">
<emphasis id="B918EA8A631C9F1DFF46F98A4C7DC83A" bold="true" box="[151,281,1626,1650]" pageId="6" pageNumber="49">FIGURE 4.</emphasis>
<taxonomicName id="4C6C4D1B631C9F1DFEF1F98A4C9EC839" box="[288,506,1626,1649]" class="Malacostraca" family="Alpheidae" genus="Leptathanas" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="6" pageNumber="49" phylum="Arthropoda" rank="species" species="powelli" status="gen. nov.">
<emphasis id="B918EA8A631C9F1DFEF1F98A4C9EC839" box="[288,506,1626,1649]" italics="true" pageId="6" pageNumber="49">Leptathanas powelli</emphasis>
</taxonomicName>
<emphasis id="B918EA8A631C9F1DFDD0F98A4F01C83A" bold="true" box="[513,613,1626,1650]" pageId="6" pageNumber="49">
<taxonomicNameLabel id="A22B57F1631C9F1DFDD0F98A4F01C83A" box="[513,613,1626,1650]" pageId="6" pageNumber="49" rank="genus">gen. nov.</taxonomicNameLabel>
</emphasis>
,
<emphasis id="B918EA8A631C9F1DFDA2F98A4FADC83A" bold="true" box="[627,713,1626,1650]" pageId="6" pageNumber="49">sp. nov.</emphasis>
Paratype ovigerous female (cl 3.0 mm, RMNH D49914-2). A: second pereiopod, mesial view; B: same, tip of chela; C: third pereiopod, mesial view; D: same, distal propodus and dactylus; E: fourth pereiopod, mesial view; F: fifth pereiopod, mesial view; G: same, distal propodus and dactylus. Scale bars: 1 mm (B), 0.5 mm (A, C, EF), 0.25 mm (D, G).
</paragraph>
</caption>
<paragraph id="8BD33698631C9F1DFF17F88249DCC9DC" blockId="6.[151,1436,1800,2020]" pageId="6" pageNumber="49">
Pleura of first through to fourth abdominal somites rounded, those of fifth and sixth somites somewhat angular (
<figureCitation id="13572A1D631C9F1DFF2EF8AA4C24C9DC" box="[255,320,1914,1940]" captionStart="FIGURE 1" captionStartId="3.[151,255,1941,1965]" captionTargetBox="[191,1386,195,1897]" captionTargetId="figure@3.[179,1425,189,1929]" captionTargetPageId="3" captionText="FIGURE 1. Leptathanas powelli gen. nov., sp. nov. Holotype ovigerous female (cl 3.2 mm, RMNH D 00000). A: habitus, lateral view; B: frontal region, lateral view; C: frontal region, dorsal view; D; carapace, lateral view; E: pleon, lateral view. Scale bars: 1 mm." httpUri="https://zenodo.org/record/181730/files/figure.png" pageId="6" pageNumber="49">Fig. 1</figureCitation>
E); sixth somite with subtriangular articulated plate at posteroventral angle.
</paragraph>
<paragraph id="8BD33698631C9F1CFF14F872482DCF4A" blockId="6.[151,1436,1800,2020]" lastBlockId="7.[151,1436,152,258]" lastPageId="7" lastPageNumber="50" pageId="6" pageNumber="49">
Antennular peduncle moderately stout (
<figureCitation id="13572A1D631C9F1DFD48F8724FB2C9F4" box="[665,726,1954,1980]" captionStart="FIGURE 1" captionStartId="3.[151,255,1941,1965]" captionTargetBox="[191,1386,195,1897]" captionTargetId="figure@3.[179,1425,189,1929]" captionTargetPageId="3" captionText="FIGURE 1. Leptathanas powelli gen. nov., sp. nov. Holotype ovigerous female (cl 3.2 mm, RMNH D 00000). A: habitus, lateral view; B: frontal region, lateral view; C: frontal region, dorsal view; D; carapace, lateral view; E: pleon, lateral view. Scale bars: 1 mm." httpUri="https://zenodo.org/record/181730/files/figure.png" pageId="6" pageNumber="49">Fig 1</figureCitation>
C, 3A), second segment shorter than first; stylocerite reaching to mesial margin of second segment, distally acute; lateral flagellum biramous, accessory branch reduced, consisting of two segments furnished with groups of aesthetascs (
<figureCitation id="13572A1D631D9F1CFC6DFF484E9BCEFA" box="[956,1023,152,178]" captionStart="FIGURE 3" captionStartId="5.[151,255,1854,1878]" captionTargetBox="[166,1411,204,1806]" captionTargetId="figure@5.[160,1427,194,1830]" captionTargetPageId="5" captionText="FIGURE 3. Leptathanas powelli gen. nov., sp. nov. Paratype ovigerous female (cl 3.0 mm, RMNH D 49914 - 2). A: antennule, dorsal view; B: scaphocerite, dorsal view; C: left (minor) cheliped, mesial view; D: right (major) cheliped, mesial view; E: same, detail of coxa; F: same, detail of merus; G: same, chela in lateral view; H: same, fingers. Scale bars: 1 mm (D), 0.5 mm (A C, E G), 0.25 mm (H)." httpUri="https://zenodo.org/record/181732/files/figure.png" pageId="7" pageNumber="50">Fig 3</figureCitation>
A). Antenna with basicerite stout, armed with strong ventrolateral tooth; scaphocerite (
<figureCitation id="13572A1D631D9F1CFCD5FF104E2ECE92" box="[772,842,192,218]" captionStart="FIGURE 3" captionStartId="5.[151,255,1854,1878]" captionTargetBox="[166,1411,204,1806]" captionTargetId="figure@5.[160,1427,194,1830]" captionTargetPageId="5" captionText="FIGURE 3. Leptathanas powelli gen. nov., sp. nov. Paratype ovigerous female (cl 3.0 mm, RMNH D 49914 - 2). A: antennule, dorsal view; B: scaphocerite, dorsal view; C: left (minor) cheliped, mesial view; D: right (major) cheliped, mesial view; E: same, detail of coxa; F: same, detail of merus; G: same, chela in lateral view; H: same, fingers. Scale bars: 1 mm (D), 0.5 mm (A C, E G), 0.25 mm (H)." httpUri="https://zenodo.org/record/181732/files/figure.png" pageId="7" pageNumber="50">Fig. 3</figureCitation>
B) short, square, anterior margin of blade convex, not extending beyond distolateral tooth; carpocerite robust, exceeding to distal margin of scaphocerite.
</paragraph>
<caption id="DF136610631D9F1CFF46F9B54949C8AC" httpUri="https://zenodo.org/record/181734/files/figure.png" pageId="7" pageNumber="50" targetBox="[176,1376,300,1606]" targetPageId="7">
<paragraph id="8BD33698631D9F1CFF46F9B54949C8AC" blockId="7.[151,1436,1637,1764]" pageId="7" pageNumber="50">
<emphasis id="B918EA8A631D9F1CFF46F9B54C7DC835" bold="true" box="[151,281,1637,1661]" pageId="7" pageNumber="50">FIGURE 5.</emphasis>
<taxonomicName id="4C6C4D1B631D9F1CFEF1F9B54C9EC834" box="[288,506,1637,1660]" class="Malacostraca" family="Alpheidae" genus="Leptathanas" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="7" pageNumber="50" phylum="Arthropoda" rank="species" species="powelli" status="gen. nov.">
<emphasis id="B918EA8A631D9F1CFEF1F9B54C9EC834" box="[288,506,1637,1660]" italics="true" pageId="7" pageNumber="50">Leptathanas powelli</emphasis>
</taxonomicName>
<emphasis id="B918EA8A631D9F1CFDD1F9B54F01C835" bold="true" box="[512,613,1637,1661]" pageId="7" pageNumber="50">
<taxonomicNameLabel id="A22B57F1631D9F1CFDD1F9B54F01C835" box="[512,613,1637,1661]" pageId="7" pageNumber="50" rank="genus">gen. nov.</taxonomicNameLabel>
</emphasis>
,
<emphasis id="B918EA8A631D9F1CFDA3F9B54FACC835" bold="true" box="[626,712,1637,1661]" pageId="7" pageNumber="50">sp. nov.</emphasis>
Paratype ovigerous female (cl 3.0 mm, RMNH D49914-2). A: uropod, dorsal view; B: same, protopod; C: same, lateral portion of diaeresis; D: telson, dorsal view; E: same, detail of posterior margin. Paratype male (cl 2.25 mm, RMNH D49914-3). F: second pleopod, mesial view; G: same, appendix interna and masculina. Scale bars: 0.5 mm (A, C, EF), 0.25 mm (D, G), 0.1 mm (B).
</paragraph>
</caption>
<paragraph id="8BD33698631D9F13FF14F8C84FCCCF1A" blockId="7.[151,1436,1816,2002]" lastBlockId="8.[151,1437,152,2018]" lastPageId="8" lastPageNumber="51" pageId="7" pageNumber="50">
Mouthparts fairly typical for family. Mandible (
<figureCitation id="13572A1D631D9F1CFD26F8C84E58C97A" box="[759,828,1816,1842]" captionStart="FIGURE 2" captionStartId="4.[151,255,1932,1956]" captionTargetBox="[161,1401,199,1908]" captionTargetId="figure@4.[155,1431,194,1908]" captionTargetPageId="4" captionText="FIGURE 2. Leptathanas powelli gen. nov., sp. nov. Paratype ovigerous female (cl 4.0 mm, RMNH D 49914 - 1). A; mandible, mesial view; B: maxillule, lateral view; C: maxilla, lateral view; D; first maxilliped, lateral view; E; second maxilliped, lateral view; F: third maxilliped, lateral view; G: same, tip of ultimate segment. Scale bars: 0.5 mm." httpUri="https://zenodo.org/record/181731/files/figure.png" pageId="7" pageNumber="50">Fig. 2</figureCitation>
A) with two-segmented palp; molar process as illustrated; incisor process with five subtriangular teeth, second ventral tooth largest. Maxillule (
<figureCitation id="13572A1D631D9F1CFB29F8904825C912" box="[1272,1345,1856,1882]" captionStart="FIGURE 2" captionStartId="4.[151,255,1932,1956]" captionTargetBox="[161,1401,199,1908]" captionTargetId="figure@4.[155,1431,194,1908]" captionTargetPageId="4" captionText="FIGURE 2. Leptathanas powelli gen. nov., sp. nov. Paratype ovigerous female (cl 4.0 mm, RMNH D 49914 - 1). A; mandible, mesial view; B: maxillule, lateral view; C: maxilla, lateral view; D; first maxilliped, lateral view; E; second maxilliped, lateral view; F: third maxilliped, lateral view; G: same, tip of ultimate segment. Scale bars: 0.5 mm." httpUri="https://zenodo.org/record/181731/files/figure.png" pageId="7" pageNumber="50">Fig. 2</figureCitation>
B) with bilobed palp, dorsal lobe without setae, ventral lobe with single plumose seta; ventral endite with pappose setae. Maxilla (
<figureCitation id="13572A1D631D9F1CFE81F8404CFCC9E2" box="[336,408,1936,1962]" captionStart="FIGURE 2" captionStartId="4.[151,255,1932,1956]" captionTargetBox="[161,1401,199,1908]" captionTargetId="figure@4.[155,1431,194,1908]" captionTargetPageId="4" captionText="FIGURE 2. Leptathanas powelli gen. nov., sp. nov. Paratype ovigerous female (cl 4.0 mm, RMNH D 49914 - 1). A; mandible, mesial view; B: maxillule, lateral view; C: maxilla, lateral view; D; first maxilliped, lateral view; E; second maxilliped, lateral view; F: third maxilliped, lateral view; G: same, tip of ultimate segment. Scale bars: 0.5 mm." httpUri="https://zenodo.org/record/181731/files/figure.png" pageId="7" pageNumber="50">Fig. 2</figureCitation>
C) with moderately broad scaphognathite; endopod small, unsegmented; dorsal endite not subdivided. First maxilliped (
<figureCitation id="13572A1D631D9F1CFDF8F8684F14C99A" box="[553,624,1976,2002]" captionStart="FIGURE 2" captionStartId="4.[151,255,1932,1956]" captionTargetBox="[161,1401,199,1908]" captionTargetId="figure@4.[155,1431,194,1908]" captionTargetPageId="4" captionText="FIGURE 2. Leptathanas powelli gen. nov., sp. nov. Paratype ovigerous female (cl 4.0 mm, RMNH D 49914 - 1). A; mandible, mesial view; B: maxillule, lateral view; C: maxilla, lateral view; D; first maxilliped, lateral view; E; second maxilliped, lateral view; F: third maxilliped, lateral view; G: same, tip of ultimate segment. Scale bars: 0.5 mm." httpUri="https://zenodo.org/record/181731/files/figure.png" pageId="7" pageNumber="50">Fig. 2</figureCitation>
D) with moderately expanded caridean lobe on exopod; endopod not segmented, terminally with single robust plumose seta, laterally with several less robust plumose setae; epipod large, ear-shaped, slightly subdivided. Second maxilliped (
<figureCitation id="13572A1D63129F13FC54FF104EAFCE92" box="[901,971,192,218]" captionStart="FIGURE 2" captionStartId="4.[151,255,1932,1956]" captionTargetBox="[161,1401,199,1908]" captionTargetId="figure@4.[155,1431,194,1908]" captionTargetPageId="4" captionText="FIGURE 2. Leptathanas powelli gen. nov., sp. nov. Paratype ovigerous female (cl 4.0 mm, RMNH D 49914 - 1). A; mandible, mesial view; B: maxillule, lateral view; C: maxilla, lateral view; D; first maxilliped, lateral view; E; second maxilliped, lateral view; F: third maxilliped, lateral view; G: same, tip of ultimate segment. Scale bars: 0.5 mm." httpUri="https://zenodo.org/record/181731/files/figure.png" pageId="8" pageNumber="51">Fig. 2</figureCitation>
E) not particularly modified, with elongate epipod. Third maxilliped (
<figureCitation id="13572A1D63129F13FDFEFF384F18CF4A" box="[559,636,232,258]" captionStart="FIGURE 2" captionStartId="4.[151,255,1932,1956]" captionTargetBox="[161,1401,199,1908]" captionTargetId="figure@4.[155,1431,194,1908]" captionTargetPageId="4" captionText="FIGURE 2. Leptathanas powelli gen. nov., sp. nov. Paratype ovigerous female (cl 4.0 mm, RMNH D 49914 - 1). A; mandible, mesial view; B: maxillule, lateral view; C: maxilla, lateral view; D; first maxilliped, lateral view; E; second maxilliped, lateral view; F: third maxilliped, lateral view; G: same, tip of ultimate segment. Scale bars: 0.5 mm." httpUri="https://zenodo.org/record/181731/files/figure.png" pageId="8" pageNumber="51">Fig. 2</figureCitation>
F) pediform, moderately slender; lateral plate acutely produced; penultimate segment about 2.5 times as long as wide; tip of ultimate segment tapered, with three cuspidate setae on apex (
<figureCitation id="13572A1D63129F13FE95FEE84CEFCF1A" box="[324,395,312,338]" captionStart="FIGURE 2" captionStartId="4.[151,255,1932,1956]" captionTargetBox="[161,1401,199,1908]" captionTargetId="figure@4.[155,1431,194,1908]" captionTargetPageId="4" captionText="FIGURE 2. Leptathanas powelli gen. nov., sp. nov. Paratype ovigerous female (cl 4.0 mm, RMNH D 49914 - 1). A; mandible, mesial view; B: maxillule, lateral view; C: maxilla, lateral view; D; first maxilliped, lateral view; E; second maxilliped, lateral view; F: third maxilliped, lateral view; G: same, tip of ultimate segment. Scale bars: 0.5 mm." httpUri="https://zenodo.org/record/181731/files/figure.png" pageId="8" pageNumber="51">Fig. 2</figureCitation>
G); arthrobranch absent.
</paragraph>
<paragraph id="8BD3369863129F13FF14FEB04C77CCF2" blockId="8.[151,1437,152,2018]" pageId="8" pageNumber="51">
First pereiopods unequal in size, asymmetrical in shape (
<figureCitation id="13572A1D63129F13FCAFFEB04EA3CF32" box="[894,967,352,378]" captionStart="FIGURE 3" captionStartId="5.[151,255,1854,1878]" captionTargetBox="[166,1411,204,1806]" captionTargetId="figure@5.[160,1427,194,1830]" captionTargetPageId="5" captionText="FIGURE 3. Leptathanas powelli gen. nov., sp. nov. Paratype ovigerous female (cl 3.0 mm, RMNH D 49914 - 2). A: antennule, dorsal view; B: scaphocerite, dorsal view; C: left (minor) cheliped, mesial view; D: right (major) cheliped, mesial view; E: same, detail of coxa; F: same, detail of merus; G: same, chela in lateral view; H: same, fingers. Scale bars: 1 mm (D), 0.5 mm (A C, E G), 0.25 mm (H)." httpUri="https://zenodo.org/record/181732/files/figure.png" pageId="8" pageNumber="51">Fig. 3</figureCitation>
C, D), carried flexed when not in use. Major cheliped (
<figureCitation id="13572A1D63129F13FE8DFE584CC8CFEA" box="[348,428,392,418]" captionStart="FIGURE 3" captionStartId="5.[151,255,1854,1878]" captionTargetBox="[166,1411,204,1806]" captionTargetId="figure@5.[160,1427,194,1830]" captionTargetPageId="5" captionText="FIGURE 3. Leptathanas powelli gen. nov., sp. nov. Paratype ovigerous female (cl 3.0 mm, RMNH D 49914 - 2). A: antennule, dorsal view; B: scaphocerite, dorsal view; C: left (minor) cheliped, mesial view; D: right (major) cheliped, mesial view; E: same, detail of coxa; F: same, detail of merus; G: same, chela in lateral view; H: same, fingers. Scale bars: 1 mm (D), 0.5 mm (A C, E G), 0.25 mm (H)." httpUri="https://zenodo.org/record/181732/files/figure.png" pageId="8" pageNumber="51">Figs. 3</figureCitation>
DH) robust; basis with minute exopod (
<figureCitation id="13572A1D63129F13FC47FE584EB8CFEA" box="[918,988,392,418]" captionStart="FIGURE 3" captionStartId="5.[151,255,1854,1878]" captionTargetBox="[166,1411,204,1806]" captionTargetId="figure@5.[160,1427,194,1830]" captionTargetPageId="5" captionText="FIGURE 3. Leptathanas powelli gen. nov., sp. nov. Paratype ovigerous female (cl 3.0 mm, RMNH D 49914 - 2). A: antennule, dorsal view; B: scaphocerite, dorsal view; C: left (minor) cheliped, mesial view; D: right (major) cheliped, mesial view; E: same, detail of coxa; F: same, detail of merus; G: same, chela in lateral view; H: same, fingers. Scale bars: 1 mm (D), 0.5 mm (A C, E G), 0.25 mm (H)." httpUri="https://zenodo.org/record/181732/files/figure.png" pageId="8" pageNumber="51">Fig. 3</figureCitation>
E); coxa, basis and ischium unarmed; merus about 2.5 times as long as wide, mesially excavated (
<figureCitation id="13572A1D63129F13FC84FE604EFECF82" box="[853,922,432,458]" captionStart="FIGURE 3" captionStartId="5.[151,255,1854,1878]" captionTargetBox="[166,1411,204,1806]" captionTargetId="figure@5.[160,1427,194,1830]" captionTargetPageId="5" captionText="FIGURE 3. Leptathanas powelli gen. nov., sp. nov. Paratype ovigerous female (cl 3.0 mm, RMNH D 49914 - 2). A: antennule, dorsal view; B: scaphocerite, dorsal view; C: left (minor) cheliped, mesial view; D: right (major) cheliped, mesial view; E: same, detail of coxa; F: same, detail of merus; G: same, chela in lateral view; H: same, fingers. Scale bars: 1 mm (D), 0.5 mm (A C, E G), 0.25 mm (H)." httpUri="https://zenodo.org/record/181732/files/figure.png" pageId="8" pageNumber="51">Fig. 3</figureCitation>
F), lateral margin distinctly crenulated (
<figureCitation id="13572A1D63129F13FABDFE604DC1CFBA" captionStart="FIGURE 3" captionStartId="5.[151,255,1854,1878]" captionTargetBox="[166,1411,204,1806]" captionTargetId="figure@5.[160,1427,194,1830]" captionTargetPageId="5" captionText="FIGURE 3. Leptathanas powelli gen. nov., sp. nov. Paratype ovigerous female (cl 3.0 mm, RMNH D 49914 - 2). A: antennule, dorsal view; B: scaphocerite, dorsal view; C: left (minor) cheliped, mesial view; D: right (major) cheliped, mesial view; E: same, detail of coxa; F: same, detail of merus; G: same, chela in lateral view; H: same, fingers. Scale bars: 1 mm (D), 0.5 mm (A C, E G), 0.25 mm (H)." httpUri="https://zenodo.org/record/181732/files/figure.png" pageId="8" pageNumber="51">Fig. 3</figureCitation>
G); carpus vase-shaped; chela robust, ventral margin of palm crenulated (
<figureCitation id="13572A1D63129F13FBD6FE084928CFBA" box="[1031,1100,472,498]" captionStart="FIGURE 3" captionStartId="5.[151,255,1854,1878]" captionTargetBox="[166,1411,204,1806]" captionTargetId="figure@5.[160,1427,194,1830]" captionTargetPageId="5" captionText="FIGURE 3. Leptathanas powelli gen. nov., sp. nov. Paratype ovigerous female (cl 3.0 mm, RMNH D 49914 - 2). A: antennule, dorsal view; B: scaphocerite, dorsal view; C: left (minor) cheliped, mesial view; D: right (major) cheliped, mesial view; E: same, detail of coxa; F: same, detail of merus; G: same, chela in lateral view; H: same, fingers. Scale bars: 1 mm (D), 0.5 mm (A C, E G), 0.25 mm (H)." httpUri="https://zenodo.org/record/181732/files/figure.png" pageId="8" pageNumber="51">Fig. 3</figureCitation>
E); linea impressa and adhesive discs absent; fingers about 0.35 times length of palm, cutting edges of pollex and dactylus each with large tooth fitting in a hiatus on opposed margin (
<figureCitation id="13572A1D63129F13FD4AFDF84F84CC0A" box="[667,736,552,578]" captionStart="FIGURE 3" captionStartId="5.[151,255,1854,1878]" captionTargetBox="[166,1411,204,1806]" captionTargetId="figure@5.[160,1427,194,1830]" captionTargetPageId="5" captionText="FIGURE 3. Leptathanas powelli gen. nov., sp. nov. Paratype ovigerous female (cl 3.0 mm, RMNH D 49914 - 2). A: antennule, dorsal view; B: scaphocerite, dorsal view; C: left (minor) cheliped, mesial view; D: right (major) cheliped, mesial view; E: same, detail of coxa; F: same, detail of merus; G: same, chela in lateral view; H: same, fingers. Scale bars: 1 mm (D), 0.5 mm (A C, E G), 0.25 mm (H)." httpUri="https://zenodo.org/record/181732/files/figure.png" pageId="8" pageNumber="51">Fig. 3</figureCitation>
H), finger tips blunt, broad. Minor cheliped (
<figureCitation id="13572A1D63129F13FB21FDF84851CC0A" box="[1264,1333,552,578]" captionStart="FIGURE 3" captionStartId="5.[151,255,1854,1878]" captionTargetBox="[166,1411,204,1806]" captionTargetId="figure@5.[160,1427,194,1830]" captionTargetPageId="5" captionText="FIGURE 3. Leptathanas powelli gen. nov., sp. nov. Paratype ovigerous female (cl 3.0 mm, RMNH D 49914 - 2). A: antennule, dorsal view; B: scaphocerite, dorsal view; C: left (minor) cheliped, mesial view; D: right (major) cheliped, mesial view; E: same, detail of coxa; F: same, detail of merus; G: same, chela in lateral view; H: same, fingers. Scale bars: 1 mm (D), 0.5 mm (A C, E G), 0.25 mm (H)." httpUri="https://zenodo.org/record/181732/files/figure.png" pageId="8" pageNumber="51">Fig. 3</figureCitation>
C) much weaker than major cheliped; basis with minute exopod (
<figureCitation id="13572A1D63129F13FCEDFD804EE1CC22" box="[828,901,592,618]" captionStart="FIGURE 3" captionStartId="5.[151,255,1854,1878]" captionTargetBox="[166,1411,204,1806]" captionTargetId="figure@5.[160,1427,194,1830]" captionTargetPageId="5" captionText="FIGURE 3. Leptathanas powelli gen. nov., sp. nov. Paratype ovigerous female (cl 3.0 mm, RMNH D 49914 - 2). A: antennule, dorsal view; B: scaphocerite, dorsal view; C: left (minor) cheliped, mesial view; D: right (major) cheliped, mesial view; E: same, detail of coxa; F: same, detail of merus; G: same, chela in lateral view; H: same, fingers. Scale bars: 1 mm (D), 0.5 mm (A C, E G), 0.25 mm (H)." httpUri="https://zenodo.org/record/181732/files/figure.png" pageId="8" pageNumber="51">Fig. 3</figureCitation>
C); coxa, basis and ischium unarmed, merus about 2.7 times as long as wide, carpus slightly longer than propodus; fingers about as along as palm, with broad tips.
</paragraph>
<paragraph id="8BD3369863129F13FF14FD18498CCA3A" blockId="8.[151,1437,152,2018]" pageId="8" pageNumber="51">
Second pereiopod (
<figureCitation id="13572A1D63129F13FE7BFD184C94CCAA" box="[426,496,712,738]" captionStart="FIGURE 4" captionStartId="6.[151,255,1626,1650]" captionTargetBox="[185,1370,189,1625]" captionTargetId="figure@6.[182,1408,184,1631]" captionTargetPageId="6" captionText="FIGURE 4. Leptathanas powelli gen. nov., sp. nov. Paratype ovigerous female (cl 3.0 mm, RMNH D 49914 - 2). A: second pereiopod, mesial view; B: same, tip of chela; C: third pereiopod, mesial view; D: same, distal propodus and dactylus; E: fourth pereiopod, mesial view; F: fifth pereiopod, mesial view; G: same, distal propodus and dactylus. Scale bars: 1 mm (B), 0.5 mm (A, C, E F), 0.25 mm (D, G)." httpUri="https://zenodo.org/record/181733/files/figure.png" pageId="8" pageNumber="51">Fig. 4</figureCitation>
A) relatively short, stout; ischium shorter than merus, mesially somewhat excavated; merus mesially depressed; carpus with five segments, segment length ratio approximately:; chela simple, fingers as long as palm, tips conical, without additional teeth (
<figureCitation id="13572A1D63129F13FC07FCC84947CD7A" box="[982,1059,792,818]" captionStart="FIGURE 4" captionStartId="6.[151,255,1626,1650]" captionTargetBox="[185,1370,189,1625]" captionTargetId="figure@6.[182,1408,184,1631]" captionTargetPageId="6" captionText="FIGURE 4. Leptathanas powelli gen. nov., sp. nov. Paratype ovigerous female (cl 3.0 mm, RMNH D 49914 - 2). A: second pereiopod, mesial view; B: same, tip of chela; C: third pereiopod, mesial view; D: same, distal propodus and dactylus; E: fourth pereiopod, mesial view; F: fifth pereiopod, mesial view; G: same, distal propodus and dactylus. Scale bars: 1 mm (B), 0.5 mm (A, C, E F), 0.25 mm (D, G)." httpUri="https://zenodo.org/record/181733/files/figure.png" pageId="8" pageNumber="51">Fig. 4</figureCitation>
B). Third pereiopod (
<figureCitation id="13572A1D63129F13FAF8FCC8481BCD7A" box="[1321,1407,792,818]" captionStart="FIGURE 4" captionStartId="6.[151,255,1626,1650]" captionTargetBox="[185,1370,189,1625]" captionTargetId="figure@6.[182,1408,184,1631]" captionTargetPageId="6" captionText="FIGURE 4. Leptathanas powelli gen. nov., sp. nov. Paratype ovigerous female (cl 3.0 mm, RMNH D 49914 - 2). A: second pereiopod, mesial view; B: same, tip of chela; C: third pereiopod, mesial view; D: same, distal propodus and dactylus; E: fourth pereiopod, mesial view; F: fifth pereiopod, mesial view; G: same, distal propodus and dactylus. Scale bars: 1 mm (B), 0.5 mm (A, C, E F), 0.25 mm (D, G)." httpUri="https://zenodo.org/record/181733/files/figure.png" pageId="8" pageNumber="51">Figs. 4</figureCitation>
C) relatively stout; basis with slender cuspidate seta disto-dorsally; ischium unarmed ventrally, with slender cuspidate seta disto-dorsally; merus unarmed, about 3.5 times as long as ischium; carpus about 0.6 times as long as merus, with one ventrolateral cuspidate seta disto-ventrally; propodus subequal to carpus in length, with three ventral cuspidate setae and one disto-ventral cuspidate seta proximal to dactylus (
<figureCitation id="13572A1D63129F13FB5CFC6849B7CD9A" box="[1165,1235,952,978]" captionStart="FIGURE 4" captionStartId="6.[151,255,1626,1650]" captionTargetBox="[185,1370,189,1625]" captionTargetId="figure@6.[182,1408,184,1631]" captionTargetPageId="6" captionText="FIGURE 4. Leptathanas powelli gen. nov., sp. nov. Paratype ovigerous female (cl 3.0 mm, RMNH D 49914 - 2). A: second pereiopod, mesial view; B: same, tip of chela; C: third pereiopod, mesial view; D: same, distal propodus and dactylus; E: fourth pereiopod, mesial view; F: fifth pereiopod, mesial view; G: same, distal propodus and dactylus. Scale bars: 1 mm (B), 0.5 mm (A, C, E F), 0.25 mm (D, G)." httpUri="https://zenodo.org/record/181733/files/figure.png" pageId="8" pageNumber="51">Fig. 4</figureCitation>
D); dactylus simple, subconical, curved, about 0.5 times as long as propodus. Fourth pereiopod (
<figureCitation id="13572A1D63129F13FBA6FC3049A5CDB2" box="[1143,1217,992,1018]" captionStart="FIGURE 4" captionStartId="6.[151,255,1626,1650]" captionTargetBox="[185,1370,189,1625]" captionTargetId="figure@6.[182,1408,184,1631]" captionTargetPageId="6" captionText="FIGURE 4. Leptathanas powelli gen. nov., sp. nov. Paratype ovigerous female (cl 3.0 mm, RMNH D 49914 - 2). A: second pereiopod, mesial view; B: same, tip of chela; C: third pereiopod, mesial view; D: same, distal propodus and dactylus; E: fourth pereiopod, mesial view; F: fifth pereiopod, mesial view; G: same, distal propodus and dactylus. Scale bars: 1 mm (B), 0.5 mm (A, C, E F), 0.25 mm (D, G)." httpUri="https://zenodo.org/record/181733/files/figure.png" pageId="8" pageNumber="51">Fig. 4</figureCitation>
E) similar to third pereiopod, with fewer ventral cuspidate setae on propodus. Fifth pereiopod (
<figureCitation id="13572A1D63129F13FBF7FBD84908CA6A" box="[1062,1132,1032,1058]" captionStart="FIGURE 4" captionStartId="6.[151,255,1626,1650]" captionTargetBox="[185,1370,189,1625]" captionTargetId="figure@6.[182,1408,184,1631]" captionTargetPageId="6" captionText="FIGURE 4. Leptathanas powelli gen. nov., sp. nov. Paratype ovigerous female (cl 3.0 mm, RMNH D 49914 - 2). A: second pereiopod, mesial view; B: same, tip of chela; C: third pereiopod, mesial view; D: same, distal propodus and dactylus; E: fourth pereiopod, mesial view; F: fifth pereiopod, mesial view; G: same, distal propodus and dactylus. Scale bars: 1 mm (B), 0.5 mm (A, C, E F), 0.25 mm (D, G)." httpUri="https://zenodo.org/record/181733/files/figure.png" pageId="8" pageNumber="51">Fig. 4</figureCitation>
F) more gracile than third and fourth; propodus with two ventral cuspidate setae; setal brush well developed (
<figureCitation id="13572A1D63129F13FBB3FBE049CCCA02" box="[1122,1192,1072,1098]" captionStart="FIGURE 4" captionStartId="6.[151,255,1626,1650]" captionTargetBox="[185,1370,189,1625]" captionTargetId="figure@6.[182,1408,184,1631]" captionTargetPageId="6" captionText="FIGURE 4. Leptathanas powelli gen. nov., sp. nov. Paratype ovigerous female (cl 3.0 mm, RMNH D 49914 - 2). A: second pereiopod, mesial view; B: same, tip of chela; C: third pereiopod, mesial view; D: same, distal propodus and dactylus; E: fourth pereiopod, mesial view; F: fifth pereiopod, mesial view; G: same, distal propodus and dactylus. Scale bars: 1 mm (B), 0.5 mm (A, C, E F), 0.25 mm (D, G)." httpUri="https://zenodo.org/record/181733/files/figure.png" pageId="8" pageNumber="51">Fig. 4</figureCitation>
G), with two rows of thick pappose setae; dactylus slender, curved, slightly more than 0.6 times length of propodus.
</paragraph>
<paragraph id="8BD3369863129F13FF14FB50487ACA8A" blockId="8.[151,1437,152,2018]" pageId="8" pageNumber="51">
Male second pleopod (
<figureCitation id="13572A1D63129F13FE0BFB504F46CAD2" box="[474,546,1152,1178]" captionStart="FIGURE 5" captionStartId="7.[151,255,1637,1661]" captionTargetBox="[176,1376,300,1606]" captionTargetId="figure@7.[154,1389,288,1607]" captionTargetPageId="7" captionText="FIGURE 5. Leptathanas powelli gen. nov., sp. nov. Paratype ovigerous female (cl 3.0 mm, RMNH D 49914 - 2). A: uropod, dorsal view; B: same, protopod; C: same, lateral portion of diaeresis; D: telson, dorsal view; E: same, detail of posterior margin. Paratype male (cl 2.25 mm, RMNH D 49914 - 3). F: second pleopod, mesial view; G: same, appendix interna and masculina. Scale bars: 0.5 mm (A, C, E F), 0.25 mm (D, G), 0.1 mm (B)." httpUri="https://zenodo.org/record/181734/files/figure.png" pageId="8" pageNumber="51">Fig. 5</figureCitation>
F) with appendix masculina shorter than appendix interna, furnished with five distal and subdistal simple setae (
<figureCitation id="13572A1D63129F13FD82FB784FFDCA8A" box="[595,665,1192,1218]" captionStart="FIGURE 5" captionStartId="7.[151,255,1637,1661]" captionTargetBox="[176,1376,300,1606]" captionTargetId="figure@7.[154,1389,288,1607]" captionTargetPageId="7" captionText="FIGURE 5. Leptathanas powelli gen. nov., sp. nov. Paratype ovigerous female (cl 3.0 mm, RMNH D 49914 - 2). A: uropod, dorsal view; B: same, protopod; C: same, lateral portion of diaeresis; D: telson, dorsal view; E: same, detail of posterior margin. Paratype male (cl 2.25 mm, RMNH D 49914 - 3). F: second pleopod, mesial view; G: same, appendix interna and masculina. Scale bars: 0.5 mm (A, C, E F), 0.25 mm (D, G), 0.1 mm (B)." httpUri="https://zenodo.org/record/181734/files/figure.png" pageId="8" pageNumber="51">Fig. 5</figureCitation>
G); female second pleopod with appendix interna only.
</paragraph>
<paragraph id="8BD3369863129F13FF14FB004C7AC84A" blockId="8.[151,1437,152,2018]" pageId="8" pageNumber="51">
Uropods slightly longer than telson (
<figureCitation id="13572A1D63129F13FD50FB004FA1CAA2" box="[641,709,1232,1258]" captionStart="FIGURE 1" captionStartId="3.[151,255,1941,1965]" captionTargetBox="[191,1386,195,1897]" captionTargetId="figure@3.[179,1425,189,1929]" captionTargetPageId="3" captionText="FIGURE 1. Leptathanas powelli gen. nov., sp. nov. Holotype ovigerous female (cl 3.2 mm, RMNH D 00000). A: habitus, lateral view; B: frontal region, lateral view; C: frontal region, dorsal view; D; carapace, lateral view; E: pleon, lateral view. Scale bars: 1 mm." httpUri="https://zenodo.org/record/181730/files/figure.png" pageId="8" pageNumber="51">Fig. 1</figureCitation>
E); lateral lobe of protopod distally concave, furnished with five-six stout cuspidate setae; endopod and exopod subequal in length, latter with incomplete diaeresis; distolateral spine submarginal (
<figureCitation id="13572A1D63129F13FE1FFAF04F70CB72" box="[462,532,1312,1338]" captionStart="FIGURE 5" captionStartId="7.[151,255,1637,1661]" captionTargetBox="[176,1376,300,1606]" captionTargetId="figure@7.[154,1389,288,1607]" captionTargetPageId="7" captionText="FIGURE 5. Leptathanas powelli gen. nov., sp. nov. Paratype ovigerous female (cl 3.0 mm, RMNH D 49914 - 2). A: uropod, dorsal view; B: same, protopod; C: same, lateral portion of diaeresis; D: telson, dorsal view; E: same, detail of posterior margin. Paratype male (cl 2.25 mm, RMNH D 49914 - 3). F: second pleopod, mesial view; G: same, appendix interna and masculina. Scale bars: 0.5 mm (A, C, E F), 0.25 mm (D, G), 0.1 mm (B)." httpUri="https://zenodo.org/record/181734/files/figure.png" pageId="8" pageNumber="51">Fig. 5</figureCitation>
C). Telson broad, approximately 0.7 times as wide as long, tapering distally; dorsal surface with two pairs of cuspidate setae, distant from lateral margin, anterior pair situated at about 0.25 of telson length, posterior pair at about 0.65 of telson length; posterior margin (
<figureCitation id="13572A1D63129F13FBAFFAA049A0CBC2" box="[1150,1220,1392,1418]" captionStart="FIGURE 5" captionStartId="7.[151,255,1637,1661]" captionTargetBox="[176,1376,300,1606]" captionTargetId="figure@7.[154,1389,288,1607]" captionTargetPageId="7" captionText="FIGURE 5. Leptathanas powelli gen. nov., sp. nov. Paratype ovigerous female (cl 3.0 mm, RMNH D 49914 - 2). A: uropod, dorsal view; B: same, protopod; C: same, lateral portion of diaeresis; D: telson, dorsal view; E: same, detail of posterior margin. Paratype male (cl 2.25 mm, RMNH D 49914 - 3). F: second pleopod, mesial view; G: same, appendix interna and masculina. Scale bars: 0.5 mm (A, C, E F), 0.25 mm (D, G), 0.1 mm (B)." httpUri="https://zenodo.org/record/181734/files/figure.png" pageId="8" pageNumber="51">Fig. 5</figureCitation>
E) somewhat convex, each posterolateral angle with pair of cuspidate setae, mesial ones about twice as long as lateral ones; central portion of posterior margin between cuspidate setae with 1012 plumose setae (
<figureCitation id="13572A1D63129F13FB79FA104994CB92" box="[1192,1264,1472,1498]" captionStart="FIGURE 5" captionStartId="7.[151,255,1637,1661]" captionTargetBox="[176,1376,300,1606]" captionTargetId="figure@7.[154,1389,288,1607]" captionTargetPageId="7" captionText="FIGURE 5. Leptathanas powelli gen. nov., sp. nov. Paratype ovigerous female (cl 3.0 mm, RMNH D 49914 - 2). A: uropod, dorsal view; B: same, protopod; C: same, lateral portion of diaeresis; D: telson, dorsal view; E: same, detail of posterior margin. Paratype male (cl 2.25 mm, RMNH D 49914 - 3). F: second pleopod, mesial view; G: same, appendix interna and masculina. Scale bars: 0.5 mm (A, C, E F), 0.25 mm (D, G), 0.1 mm (B)." httpUri="https://zenodo.org/record/181734/files/figure.png" pageId="8" pageNumber="51">Fig. 5</figureCitation>
E); anal tubercles absent.
</paragraph>
<paragraph id="8BD3369863129F13FF17F9DF4CAAC90A" blockId="8.[151,1437,152,2018]" pageId="8" pageNumber="51">
<emphasis id="B918EA8A63129F13FF17F9DF4C57C861" bold="true" box="[198,307,1551,1577]" pageId="8" pageNumber="51">Ecology:</emphasis>
All specimens of
<taxonomicName id="4C6C4D1B63129F13FDC3F9C04FE3C861" box="[530,647,1552,1577]" class="Malacostraca" family="Alpheidae" genus="Leptathanas" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="8" pageNumber="51" phylum="Arthropoda" rank="species" species="powelli" status="sp. nov.">
<emphasis id="B918EA8A63129F13FDC3F9C04FE3C861" box="[530,647,1552,1577]" italics="true" pageId="8" pageNumber="51">L. powelli</emphasis>
</taxonomicName>
<emphasis id="B918EA8A63129F13FD5EF9DF4F89C861" bold="true" box="[655,749,1551,1577]" pageId="8" pageNumber="51">
<taxonomicNameLabel id="A22B57F163129F13FD5EF9DF4F89C861" box="[655,749,1551,1577]" pageId="8" pageNumber="51" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
were collected from burrows of the mudshrimp
<taxonomicName id="4C6C4D1B63129F13FAF9F9C04CB4C81A" authority="Aurivillius, 1898" authorityName="Aurivillius" authorityYear="1898" class="Malacostraca" family="Upogebiidae" genus="Upogebia" kingdom="Animalia" order="Decapoda" pageId="8" pageNumber="51" phylum="Arthropoda" rank="species" species="furcata">
<emphasis id="B918EA8A63129F13FAF9F9C04D8FC819" italics="true" pageId="8" pageNumber="51">Upogebia furcata</emphasis>
(Aurivillius, 1898)
</taxonomicName>
(Thalassinidea,
<taxonomicName id="4C6C4D1B63129F13FD42F9E84E4FC81A" box="[659,811,1592,1618]" class="Malacostraca" family="Upogebiidae" kingdom="Animalia" order="Decapoda" pageId="8" pageNumber="51" phylum="Arthropoda" rank="family">Upogebiidae</taxonomicName>
) from high and medium salinity mangrove creeks in the Bonny River system of the
<collectingCountry id="F37B760863129F13FDD7F9B04F2DC832" box="[518,585,1632,1658]" name="Niger" pageId="8" pageNumber="51">Niger</collectingCountry>
delta. The general morphology of
<taxonomicName id="4C6C4D1B63129F13FC3AF9B04905C831" box="[1003,1121,1632,1657]" class="Malacostraca" family="Alpheidae" genus="Leptathanas" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="8" pageNumber="51" phylum="Arthropoda" rank="species" species="powelli" status="sp. nov.">
<emphasis id="B918EA8A63129F13FC3AF9B04905C831" box="[1003,1121,1632,1657]" italics="true" pageId="8" pageNumber="51">L. powelli</emphasis>
</taxonomicName>
<emphasis id="B918EA8A63129F13FBB9F98F49A2C831" bold="true" box="[1128,1222,1631,1657]" pageId="8" pageNumber="51">
<taxonomicNameLabel id="A22B57F163129F13FBB9F98F49A2C831" box="[1128,1222,1631,1657]" pageId="8" pageNumber="51" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
also suggests that this shrimp may indeed be an infaunal “commensal” inhabitant of upogebiid burrows. At least two species of the presumably closely related genus
<taxonomicName id="4C6C4D1B63129F13FD85F9604FB2C881" box="[596,726,1712,1737]" class="Malacostraca" family="Alpheidae" genus="Athanopsis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="8" pageNumber="51" phylum="Arthropoda" rank="genus">
<emphasis id="B918EA8A63129F13FD85F9604FB2C881" box="[596,726,1712,1737]" italics="true" pageId="8" pageNumber="51">Athanopsis</emphasis>
</taxonomicName>
(see above) are known to be associated with echiurans (see Anker
<emphasis id="B918EA8A63129F13FF39F9084C47C8B9" box="[232,291,1752,1777]" italics="true" pageId="8" pageNumber="51">et al.</emphasis>
2005 for review). This hypothesis is also reinforced by the fact that the non-related but morphologically very similar shrimps of the genus
<taxonomicName id="4C6C4D1B63129F13FD7EF8D04E5AC951" box="[687,830,1792,1817]" class="Malacostraca" family="Alpheidae" genus="Leptalpheus" kingdom="Animalia" order="Decapoda" pageId="8" pageNumber="51" phylum="Arthropoda" rank="genus">
<emphasis id="B918EA8A63129F13FD7EF8D04E5AC951" box="[687,830,1792,1817]" italics="true" pageId="8" pageNumber="51">Leptalpheus</emphasis>
</taxonomicName>
are infaunal associates of various thalassinideans (e.g., Anker
<emphasis id="B918EA8A63129F13FEFBF8F84C01C909" box="[298,357,1832,1857]" italics="true" pageId="8" pageNumber="51">et al.</emphasis>
, 2006b).
</paragraph>
</subSubSection>
<subSubSection id="C376651363129F13FF17F89F4E00C9AA" pageId="8" pageNumber="51" type="distribution">
<paragraph id="8BD3369863129F13FF17F89F4C28C9F2" blockId="8.[151,1437,152,2018]" pageId="8" pageNumber="51">
<emphasis id="B918EA8A63129F13FF17F89F4C0DC921" bold="true" box="[198,361,1871,1897]" pageId="8" pageNumber="51">Distribution:</emphasis>
Presently known only from the
<collectingCountry id="F37B760863129F13FD0FF8804E45C922" box="[734,801,1872,1898]" name="Niger" pageId="8" pageNumber="51">Niger</collectingCountry>
delta in
<collectingCountry id="F37B760863129F13FC55F8804EBBC922" box="[900,991,1872,1898]" name="Nigeria" pageId="8" pageNumber="51">Nigeria</collectingCountry>
, West Africa.
<bibRefCitation id="EFFD4B6963129F13FB5BF8804855C922" author="Powell" box="[1162,1329,1872,1898]" pageId="8" pageNumber="52" refString="Powell, C. B. (1985) The decapod crustaceans of the Niger Delta. In: Wilcox, B. H. R &amp; Powell, C. B. The mangrove system of the Niger delta: Proceedings of a workshop, 226 - 238. University of Port Harcourt Press, Port Harcourt." type="book chapter" year="1985">Powell (1985)</bibRefCitation>
provides no further details of this species possible wider distribution, beyond noting its occurrence in brackish water in the
<collectingCountry id="F37B760863129F13FF13F8704C61C9F2" box="[194,261,1952,1978]" name="Niger" pageId="8" pageNumber="51">Niger</collectingCountry>
delta.
</paragraph>
<paragraph id="8BD3369863129F13FF17F8174E00C9AA" blockId="8.[151,1437,152,2018]" box="[198,868,1991,2018]" pageId="8" pageNumber="51">
<emphasis id="B918EA8A63129F13FF17F8174F65C9A9" bold="true" box="[198,513,1991,2017]" pageId="8" pageNumber="51">Taxonomic relationships:</emphasis>
See under generic discussion.
</paragraph>
</subSubSection>
</treatment>
</document>