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<document id="E2D53834E1F223367D9A3991FB857F46" ID-CLB-Dataset="46283" ID-DOI="10.5281/zenodo.278802" ID-GBIF-Dataset="275e1f6f-69ff-4f2e-a9a9-0d1cb7d286d8" ID-ISSN="1175-5326" ID-Zenodo-Dep="278802" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460392962328" checkinUser="plazi" docAuthor="Anker, Arthur" docDate="2011" docId="03BB87D5FF86FF9EFF7F2735FC559AA1" docLanguage="en" docName="zt03041p038.pdf" docOrigin="Zootaxa 3041" docStyle="DocumentStyle:890A69B780ED73D6DB8551B71C8AC79E.4:Zootaxa.2009-2012.journal_article" docStyleId="890A69B780ED73D6DB8551B71C8AC79E" docStyleName="Zootaxa.2009-2012.journal_article" docStyleVersion="4" docTitle="Leptalpheus bicristatus Anker, 2011, sp. nov." docType="treatment" docVersion="13" lastPageNumber="23" masterDocId="FF82FFADFF94FF88FFE82158FFA79D55" masterDocTitle="Six new species and three new records of infaunal alpheid shrimps from the genera Leptalpheus Williams, 1965 and Fenneralpheus Felder &amp; Manning, 1986 (Crustacea, Decapoda)" masterLastPageNumber="38" masterPageNumber="1" pageNumber="19" updateTime="1698298436616" updateUser="ExternalLinkService">
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<mods:title id="F26183019A3A4A63471DCD6C0AA8F23E">Six new species and three new records of infaunal alpheid shrimps from the genera Leptalpheus Williams, 1965 and Fenneralpheus Felder &amp; Manning, 1986 (Crustacea, Decapoda)</mods:title>
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<mods:namePart id="4AF7C28CAE1EB41F826F336FBF6B6842">Anker, Arthur</mods:namePart>
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<mods:date id="AF04EC00DB30666DCF52764A39C4D07A">2011</mods:date>
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<treatment id="03BB87D5FF86FF9EFF7F2735FC559AA1" ID-DOI="http://doi.org/10.5281/zenodo.4893569" ID-GBIF-Taxon="119417258" ID-Zenodo-Dep="4893569" LSID="urn:lsid:plazi:treatment:03BB87D5FF86FF9EFF7F2735FC559AA1" httpUri="http://treatment.plazi.org/id/03BB87D5FF86FF9EFF7F2735FC559AA1" lastPageId="22" lastPageNumber="23" pageId="18" pageNumber="19">
<subSubSection id="C3086548FF86FF9AFF7F2735FEBC9BFD" pageId="18" pageNumber="19" type="nomenclature">
<paragraph id="8BAD36C3FF86FF9AFF7F2735FDB39BD2" blockId="18.[151,532,1645,1704]" box="[151,532,1645,1671]" pageId="18" pageNumber="19">
<heading id="D0E581AFFF86FF9AFF7F2735FDB39BD2" bold="true" box="[151,532,1645,1671]" fontSize="11" level="1" pageId="18" pageNumber="19" reason="1">
<emphasis id="B966EAD1FF86FF9AFF7F2735FDB39BD2" bold="true" box="[151,532,1645,1671]" pageId="18" pageNumber="19">
<taxonomicName id="4C124D40FF86FF9AFF7F2735FE089BD2" ID-CoL="85TJD" box="[151,431,1645,1671]" class="Malacostraca" family="Alpheidae" genus="Leptalpheus" kingdom="Animalia" order="Decapoda" pageId="18" pageNumber="19" phylum="Arthropoda" rank="species" species="bicristatus" status="sp. nov.">
<emphasis id="B966EAD1FF86FF9AFF7F2735FE089BD2" bold="true" box="[151,431,1645,1671]" italics="true" pageId="18" pageNumber="19">Leptalpheus bicristatus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A25557AAFF86FF9AFE5E2735FDB39BD2" box="[438,532,1645,1671]" pageId="18" pageNumber="19" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
<paragraph id="8BAD36C3FF86FF9AFF7F27C8FEBC9BFD" blockId="18.[151,532,1645,1704]" box="[151,283,1680,1704]" pageId="18" pageNumber="19">
<figureCitation id="13292A46FF86FF9AFF7F27C8FEBC9BFD" box="[151,283,1680,1704]" captionStart-0="FIGURE 15" captionStart-1="FIGURE 16" captionStart-2="FIGURE 17" captionStartId-0="19.[151,250,1787,1810]" captionStartId-1="20.[151,250,1827,1850]" captionStartId-2="22.[151,250,1482,1505]" captionTargetBox-0="[166,1402,226,1744]" captionTargetBox-1="[167,1381,231,1745]" captionTargetBox-2="[167,1426,181,1454]" captionTargetId-0="figure@19.[151,1436,193,1766]" captionTargetId-1="figure@20.[151,1435,193,1806]" captionTargetId-2="figure@22.[167,1427,181,1455]" captionTargetPageId-0="19" captionTargetPageId-1="20" captionTargetPageId-2="22" captionText-0="FIGURE 15. Leptalpheus bicristatus sp. nov., holotype, male from Chame Bay, Pacific coast of Panama (MNHN-IU- 2011 - 5243): A, frontal region, dorsal view; B, same, lateral view; C, telson, dorsal view; D, ventromesial tooth on first article of antennular peduncle, lateral view; E, third maxilliped, lateral view; F, second pereiopod, lateral view; G, third pereiopod, lateral view; H, appendix masculina and appendix interna, dorsal view; I, uropod, dorsal view (setae omitted)." captionText-1="FIGURE 16. Leptalpheus bicristatus sp. nov., holotype, male from Chame Bay, Pacific coast of Panama (MNHN-IU- 2011 - 5243): A, major cheliped in situ, ventral view; B, same, carpus and chela, mesial view; C, same, distal merus, carpus and chela, lateral view; D, same, ischium, mesial view; E, major chela fingers, mesial view; F, minor cheliped, lateral view; G, same, chela, mesial view." captionText-2="FIGURE 17. Leptalpheus bicristatus sp. nov., holotype, male from Chame Bay, Pacific coast of Panama (MNHN-IU- 2011 - 5243): A C, lateral views (A, right, B, C, left on different backgrounds); D, dorsal view." httpUri-0="https://zenodo.org/record/278817/files/figure.png" httpUri-1="https://zenodo.org/record/278818/files/figure.png" httpUri-2="https://zenodo.org/record/278819/files/figure.png" pageId="18" pageNumber="19">Figs. 1517</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="C3086548FF86FF9AFF7F2781FD6E9A6D" pageId="18" pageNumber="19" type="materials_examined">
<paragraph id="8BAD36C3FF86FF9AFF7F2781FD6E9A6D" blockId="18.[151,1436,1752,2028]" pageId="18" pageNumber="19">
<emphasis id="B966EAD1FF86FF9AFF7F2781FEE49BA4" bold="true" box="[151,323,1752,1777]" pageId="18" pageNumber="19">
<typeStatus id="54A98861FF86FF9AFF7F2781FF779BA4" box="[151,208,1753,1777]" pageId="18" pageNumber="19">Type</typeStatus>
material.
</emphasis>
<typeStatus id="54A98861FF86FF9AFEA42780FE1E9BA5" box="[332,441,1752,1776]" pageId="18" pageNumber="19" type="holotype">Holotype</typeStatus>
: male (cl
<quantity id="4CEA9B26FF86FF9AFDCF2780FD259BA5" box="[551,642,1752,1776]" metricMagnitude="-3" metricUnit="m" metricValue="4.3" pageId="18" pageNumber="19" unit="mm" value="4.3">4.3 mm</quantity>
), MNHN-IU-2011-5243,
<collectingCountry id="F3057653FF86FF9AFC4A2781FC599BA5" box="[930,1022,1753,1776]" name="Panama" pageId="18" pageNumber="19">Panama</collectingCountry>
, Pacific coast, Chame Bay, estuarine mudflat with fringing mangroves, low tide, in perforated mangrove wood, together with
<taxonomicName id="4C124D40FF86FF9AFB7F27A5FAA29A40" box="[1175,1285,1789,1813]" class="Malacostraca" family="Upogebiidae" genus="Upogebia" kingdom="Animalia" order="Decapoda" pageId="18" pageNumber="19" phylum="Arthropoda" rank="genus">
<emphasis id="B966EAD1FF86FF9AFB7F27A5FAA29A40" box="[1175,1285,1789,1813]" italics="true" pageId="18" pageNumber="19">Upogebia</emphasis>
</taxonomicName>
spp., leg. A. Anker, J.A. Vera Caripe, 0
<date id="FFAC1003FF86FF9AFE572678FD899A6D" box="[447,558,1824,1848]" pageId="18" pageNumber="19" value="2006-07-11">7.11.2006</date>
[fcn 06-524].
</paragraph>
</subSubSection>
<subSubSection id="C3086548FF86FF9DFF2F261CFBAE9895" lastPageId="21" lastPageNumber="22" pageId="18" pageNumber="19" type="description">
<paragraph id="8BAD36C3FF86FF9AFF2F261CFE3D9AB9" blockId="18.[151,1436,1752,2028]" pageId="18" pageNumber="19">
<emphasis id="B966EAD1FF86FF9AFF2F261CFEFE9A08" bold="true" box="[199,345,1860,1885]" pageId="18" pageNumber="19">Description.</emphasis>
Frontal margin of carapace with broadly triangular rostral projection, with two small orbital crests situated above each eye (
<figureCitation id="13292A46FF86FF9AFDE92630FDF39AD5" box="[513,596,1896,1920]" captionStart="FIGURE 15" captionStartId="19.[151,250,1787,1810]" captionTargetBox="[166,1402,226,1744]" captionTargetId="figure@19.[151,1436,193,1766]" captionTargetPageId="19" captionText="FIGURE 15. Leptalpheus bicristatus sp. nov., holotype, male from Chame Bay, Pacific coast of Panama (MNHN-IU- 2011 - 5243): A, frontal region, dorsal view; B, same, lateral view; C, telson, dorsal view; D, ventromesial tooth on first article of antennular peduncle, lateral view; E, third maxilliped, lateral view; F, second pereiopod, lateral view; G, third pereiopod, lateral view; H, appendix masculina and appendix interna, dorsal view; I, uropod, dorsal view (setae omitted)." httpUri="https://zenodo.org/record/278817/files/figure.png" pageId="18" pageNumber="19">Fig. 15</figureCitation>
A, B). Telson widest in proximal third, distinctly tapering distally; dorsal surface with two pairs of strong spiniform setae inserted in deep pits at some distance from lateral margin; posterior margin rounded, with two pairs of spiniform setae at posterolateral angles, lateral much more slender and shorter than mesial (
<figureCitation id="13292A46FF86FF9AFECE268CFEDF9AB9" box="[294,376,2004,2028]" captionStart="FIGURE 15" captionStartId="19.[151,250,1787,1810]" captionTargetBox="[166,1402,226,1744]" captionTargetId="figure@19.[151,1436,193,1766]" captionTargetPageId="19" captionText="FIGURE 15. Leptalpheus bicristatus sp. nov., holotype, male from Chame Bay, Pacific coast of Panama (MNHN-IU- 2011 - 5243): A, frontal region, dorsal view; B, same, lateral view; C, telson, dorsal view; D, ventromesial tooth on first article of antennular peduncle, lateral view; E, third maxilliped, lateral view; F, second pereiopod, lateral view; G, third pereiopod, lateral view; H, appendix masculina and appendix interna, dorsal view; I, uropod, dorsal view (setae omitted)." httpUri="https://zenodo.org/record/278817/files/figure.png" pageId="18" pageNumber="19">Fig. 15</figureCitation>
C).
</paragraph>
<caption id="DF6D664BFF87FF9BFF7F27A3FB0B9A38" httpUri="https://zenodo.org/record/278817/files/figure.png" pageId="19" pageNumber="20" targetBox="[166,1402,226,1744]" targetPageId="19">
<paragraph id="8BAD36C3FF87FF9BFF7F27A3FB0B9A38" blockId="19.[151,1436,1787,1901]" pageId="19" pageNumber="20">
<emphasis id="B966EAD1FF87FF9BFF7F27A3FE869A44" bold="true" box="[151,289,1787,1810]" pageId="19" pageNumber="20">FIGURE 15.</emphasis>
<taxonomicName id="4C124D40FF87FF9BFEC127A4FDBF9A47" box="[297,536,1788,1810]" class="Malacostraca" family="Alpheidae" genus="Leptalpheus" kingdom="Animalia" order="Decapoda" pageId="19" pageNumber="20" phylum="Arthropoda" rank="species" species="bicristatus" status="sp. nov.">
<emphasis id="B966EAD1FF87FF9BFEC127A4FDBF9A47" box="[297,536,1788,1810]" italics="true" pageId="19" pageNumber="20">Leptalpheus bicristatus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A25557AAFF87FF9BFDC827A4FDD59A44" box="[544,626,1788,1809]" pageId="19" pageNumber="20" rank="species">
<emphasis id="B966EAD1FF87FF9BFDC827A4FDD59A44" bold="true" box="[544,626,1788,1809]" pageId="19" pageNumber="20">sp. nov.</emphasis>
</taxonomicNameLabel>
, holotype, male from Chame Bay, Pacific coast of Panama (MNHN-IU-2011- 5243): A, frontal region, dorsal view; B, same, lateral view; C, telson, dorsal view; D, ventromesial tooth on first article of antennular peduncle, lateral view; E, third maxilliped, lateral view; F, second pereiopod, lateral view; G, third pereiopod, lateral view; H, appendix masculina and appendix interna, dorsal view; I, uropod, dorsal view (setae omitted).
</paragraph>
</caption>
<caption id="DF6D664BFF80FF9CFF7F267BFEFF9AC0" httpUri="https://zenodo.org/record/278818/files/figure.png" pageId="20" pageNumber="21" targetBox="[167,1381,231,1745]" targetPageId="20">
<paragraph id="8BAD36C3FF80FF9CFF7F267BFEFF9AC0" blockId="20.[151,1436,1827,1941]" pageId="20" pageNumber="21">
<emphasis id="B966EAD1FF80FF9CFF7F267BFE869A6C" bold="true" box="[151,289,1827,1850]" pageId="20" pageNumber="21">FIGURE 16.</emphasis>
<taxonomicName id="4C124D40FF80FF9CFEC1267CFDBF9A6F" box="[297,536,1828,1850]" class="Malacostraca" family="Alpheidae" genus="Leptalpheus" kingdom="Animalia" order="Decapoda" pageId="20" pageNumber="21" phylum="Arthropoda" rank="species" species="bicristatus" status="sp. nov.">
<emphasis id="B966EAD1FF80FF9CFEC1267CFDBF9A6F" box="[297,536,1828,1850]" italics="true" pageId="20" pageNumber="21">Leptalpheus bicristatus</emphasis>
</taxonomicName>
<emphasis id="B966EAD1FF80FF9CFDC8267CFDD59A6C" bold="true" box="[544,626,1828,1849]" pageId="20" pageNumber="21">
<taxonomicNameLabel id="A25557AAFF80FF9CFDC8267CFDD59A6C" box="[544,626,1828,1849]" pageId="20" pageNumber="21" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
, holotype, male from Chame Bay, Pacific coast of Panama (MNHN-IU-2011- 5243): A, major cheliped in situ, ventral view; B, same, carpus and chela, mesial view; C, same, distal merus, carpus and chela, lateral view; D, same, ischium, mesial view; E, major chela fingers, mesial view; F, minor cheliped, lateral view; G, same, chela, mesial view.
</paragraph>
</caption>
<paragraph id="8BAD36C3FF81FF9DFF2D21CFFB929C9A" blockId="21.[151,1436,151,2012]" pageId="21" pageNumber="22">
Eyestalks with anteromesial margin rounded, slightly protruding (
<figureCitation id="13292A46FF81FF9DFC4F21CFFC5E9DFA" box="[935,1017,151,175]" captionStart="FIGURE 15" captionStartId="19.[151,250,1787,1810]" captionTargetBox="[166,1402,226,1744]" captionTargetId="figure@19.[151,1436,193,1766]" captionTargetPageId="19" captionText="FIGURE 15. Leptalpheus bicristatus sp. nov., holotype, male from Chame Bay, Pacific coast of Panama (MNHN-IU- 2011 - 5243): A, frontal region, dorsal view; B, same, lateral view; C, telson, dorsal view; D, ventromesial tooth on first article of antennular peduncle, lateral view; E, third maxilliped, lateral view; F, second pereiopod, lateral view; G, third pereiopod, lateral view; H, appendix masculina and appendix interna, dorsal view; I, uropod, dorsal view (setae omitted)." httpUri="https://zenodo.org/record/278817/files/figure.png" pageId="21" pageNumber="22">Fig. 15</figureCitation>
B). Antennular peduncles moderately stout, somewhat flattened dorsoventrally; stylocerite appressed, not exceeding distal margin of first article; ventromesial carina with tooth ending in small acute point and large rounded convexity, latter not reaching beyond acute point; second article more than 1.5 times longer than wide; lateral flagellum with short secondary ramus (
<figureCitation id="13292A46FF81FF9DFA86205CFF149C6A" captionStart="FIGURE 15" captionStartId="19.[151,250,1787,1810]" captionTargetBox="[166,1402,226,1744]" captionTargetId="figure@19.[151,1436,193,1766]" captionTargetPageId="19" captionText="FIGURE 15. Leptalpheus bicristatus sp. nov., holotype, male from Chame Bay, Pacific coast of Panama (MNHN-IU- 2011 - 5243): A, frontal region, dorsal view; B, same, lateral view; C, telson, dorsal view; D, ventromesial tooth on first article of antennular peduncle, lateral view; E, third maxilliped, lateral view; F, second pereiopod, lateral view; G, third pereiopod, lateral view; H, appendix masculina and appendix interna, dorsal view; I, uropod, dorsal view (setae omitted)." httpUri="https://zenodo.org/record/278817/files/figure.png" pageId="21" pageNumber="22">Fig. 15</figureCitation>
A, B, D). Antenna with stout basicerite ending in large distoventral tooth, dorsal surface somewhat projecting, forming short tooth; scaphocerite oval, with strong subacute distolateral tooth reaching well beyond anterior margin of blade; carpocerite stout, reaching far beyond scaphocerite, but not much beyond end of antennular peduncle (
<figureCitation id="13292A46FF81FF9DFF7720CCFF569CF9" box="[159,241,404,428]" captionStart="FIGURE 15" captionStartId="19.[151,250,1787,1810]" captionTargetBox="[166,1402,226,1744]" captionTargetId="figure@19.[151,1436,193,1766]" captionTargetPageId="19" captionText="FIGURE 15. Leptalpheus bicristatus sp. nov., holotype, male from Chame Bay, Pacific coast of Panama (MNHN-IU- 2011 - 5243): A, frontal region, dorsal view; B, same, lateral view; C, telson, dorsal view; D, ventromesial tooth on first article of antennular peduncle, lateral view; E, third maxilliped, lateral view; F, second pereiopod, lateral view; G, third pereiopod, lateral view; H, appendix masculina and appendix interna, dorsal view; I, uropod, dorsal view (setae omitted)." httpUri="https://zenodo.org/record/278817/files/figure.png" pageId="21" pageNumber="22">Fig. 15</figureCitation>
A, B). Mouthparts not dissected, typical for genus in external view. Third maxilliped with lateral plate on coxa elongate, distally subacute, reaching slightly beyond arthrobranch (
<figureCitation id="13292A46FF81FF9DFC2B20EFFBB39C9A" box="[963,1044,439,463]" captionStart="FIGURE 15" captionStartId="19.[151,250,1787,1810]" captionTargetBox="[166,1402,226,1744]" captionTargetId="figure@19.[151,1436,193,1766]" captionTargetPageId="19" captionText="FIGURE 15. Leptalpheus bicristatus sp. nov., holotype, male from Chame Bay, Pacific coast of Panama (MNHN-IU- 2011 - 5243): A, frontal region, dorsal view; B, same, lateral view; C, telson, dorsal view; D, ventromesial tooth on first article of antennular peduncle, lateral view; E, third maxilliped, lateral view; F, second pereiopod, lateral view; G, third pereiopod, lateral view; H, appendix masculina and appendix interna, dorsal view; I, uropod, dorsal view (setae omitted)." httpUri="https://zenodo.org/record/278817/files/figure.png" pageId="21" pageNumber="22">Fig. 15</figureCitation>
E).
</paragraph>
<paragraph id="8BAD36C3FF81FF9DFF2D2084FA3E9E92" blockId="21.[151,1436,151,2012]" pageId="21" pageNumber="22">
Major cheliped not particularly slender, rather robust; ischium with row of tubercles, most-distal larger and reminiscent of distomesial process; merus slender, slightly curved and twisted, depressed ventrally, with lateral and dorsal margins carrying widely spaced, small, rounded tubercles, dorsal surface mostly smooth; carpus short, cupshaped, without distoventral processes; chela somewhat elongate, stout, with palm depressed ventrally, covered with small tubercles on ventral side, many arranged in longitudinal rows; fingers about half palm length, slightly twisted laterally, strongly curved and largely gaping when closed, forceps-shaped; cutting edge of dactylus with one small proximal tooth and one much stronger, subtriangular tooth more distally, distal portion somewhat broadened and shallowly excavated, tip acute; cutting edge of pollex with large, somewhat square-shaped proximal tooth mesially and one large subtriangular tooth laterally, distal portion distinctly broadened and shallowly excavated, tip blunt and somewhat rugose; dactylar tooth fitting into large hiatus between two pollex teeth; adhesive disks absent (
<figureCitation id="13292A46FF81FF9DFF77221CFF579E09" box="[159,240,836,860]" captionStart="FIGURE 16" captionStartId="20.[151,250,1827,1850]" captionTargetBox="[167,1381,231,1745]" captionTargetId="figure@20.[151,1435,193,1806]" captionTargetPageId="20" captionText="FIGURE 16. Leptalpheus bicristatus sp. nov., holotype, male from Chame Bay, Pacific coast of Panama (MNHN-IU- 2011 - 5243): A, major cheliped in situ, ventral view; B, same, carpus and chela, mesial view; C, same, distal merus, carpus and chela, lateral view; D, same, ischium, mesial view; E, major chela fingers, mesial view; F, minor cheliped, lateral view; G, same, chela, mesial view." httpUri="https://zenodo.org/record/278818/files/figure.png" pageId="21" pageNumber="22">Fig. 16</figureCitation>
AE). Minor cheliped with ischium unarmed; merus moderately slender, ventrally flattened, with smooth margins; carpus very short, cup-shaped; chela not particularly slender or stout, simple, with fingers slightly longer than palm, tips crossing distally; cutting edges of dactylus and pollex armed with widely spaced, small teeth, those of pollex being somewhat larger, especially a conspicuously large tooth at about 0.6 length of pollex (
<figureCitation id="13292A46FF81FF9DFAE122F7FAFF9E92" box="[1289,1368,943,967]" captionStart="FIGURE 16" captionStartId="20.[151,250,1827,1850]" captionTargetBox="[167,1381,231,1745]" captionTargetId="figure@20.[151,1435,193,1806]" captionTargetPageId="20" captionText="FIGURE 16. Leptalpheus bicristatus sp. nov., holotype, male from Chame Bay, Pacific coast of Panama (MNHN-IU- 2011 - 5243): A, major cheliped in situ, ventral view; B, same, carpus and chela, mesial view; C, same, distal merus, carpus and chela, lateral view; D, same, ischium, mesial view; E, major chela fingers, mesial view; F, minor cheliped, lateral view; G, same, chela, mesial view." httpUri="https://zenodo.org/record/278818/files/figure.png" pageId="21" pageNumber="22">Fig. 16</figureCitation>
F, G).
</paragraph>
<paragraph id="8BAD36C3FF81FF9DFF2D228CFD2699F5" blockId="21.[151,1436,151,2012]" pageId="21" pageNumber="22">
Second pereiopod with merus slightly shorter than carpus; carpus five-articulated, with article ratio approximately equal to 4: 1: 1: 1: 2 (
<figureCitation id="13292A46FF81FF9DFDF822AFFDC3995A" box="[528,612,1015,1039]" captionStart="FIGURE 15" captionStartId="19.[151,250,1787,1810]" captionTargetBox="[166,1402,226,1744]" captionTargetId="figure@19.[151,1436,193,1766]" captionTargetPageId="19" captionText="FIGURE 15. Leptalpheus bicristatus sp. nov., holotype, male from Chame Bay, Pacific coast of Panama (MNHN-IU- 2011 - 5243): A, frontal region, dorsal view; B, same, lateral view; C, telson, dorsal view; D, ventromesial tooth on first article of antennular peduncle, lateral view; E, third maxilliped, lateral view; F, second pereiopod, lateral view; G, third pereiopod, lateral view; H, appendix masculina and appendix interna, dorsal view; I, uropod, dorsal view (setae omitted)." httpUri="https://zenodo.org/record/278817/files/figure.png" pageId="21" pageNumber="22">Fig. 15</figureCitation>
F). Third and fourth pereiopods similar; third pereiopod relatively stout, compressed; ischium unarmed; merus about 3.2 times as long as wide; carpus slightly more than 0.4 length of merus, with distoventral spiniform seta; propodus with three slender spiniform setae along ventral margin; dactylus about half length of propodus, conical, slender, acute distally (
<figureCitation id="13292A46FF81FF9DFCBC253CFC019929" box="[852,934,1124,1148]" captionStart="FIGURE 15" captionStartId="19.[151,250,1787,1810]" captionTargetBox="[166,1402,226,1744]" captionTargetId="figure@19.[151,1436,193,1766]" captionTargetPageId="19" captionText="FIGURE 15. Leptalpheus bicristatus sp. nov., holotype, male from Chame Bay, Pacific coast of Panama (MNHN-IU- 2011 - 5243): A, frontal region, dorsal view; B, same, lateral view; C, telson, dorsal view; D, ventromesial tooth on first article of antennular peduncle, lateral view; E, third maxilliped, lateral view; F, second pereiopod, lateral view; G, third pereiopod, lateral view; H, appendix masculina and appendix interna, dorsal view; I, uropod, dorsal view (setae omitted)." httpUri="https://zenodo.org/record/278817/files/figure.png" pageId="21" pageNumber="22">Fig. 15</figureCitation>
G). Fifth pereiopod slender, not compressed; propodus with five setal rows distolaterally.
</paragraph>
<paragraph id="8BAD36C3FF81FF9DFF2D25F4FD809865" blockId="21.[151,1436,151,2012]" pageId="21" pageNumber="22">
Male second pleopod with slender appendix masculina by far exceeding appendix interna, with six stiff setae, mostly on apex (
<figureCitation id="13292A46FF81FF9DFEB92588FE0799BD" box="[337,416,1232,1256]" captionStart="FIGURE 15" captionStartId="19.[151,250,1787,1810]" captionTargetBox="[166,1402,226,1744]" captionTargetId="figure@19.[151,1436,193,1766]" captionTargetPageId="19" captionText="FIGURE 15. Leptalpheus bicristatus sp. nov., holotype, male from Chame Bay, Pacific coast of Panama (MNHN-IU- 2011 - 5243): A, frontal region, dorsal view; B, same, lateral view; C, telson, dorsal view; D, ventromesial tooth on first article of antennular peduncle, lateral view; E, third maxilliped, lateral view; F, second pereiopod, lateral view; G, third pereiopod, lateral view; H, appendix masculina and appendix interna, dorsal view; I, uropod, dorsal view (setae omitted)." httpUri="https://zenodo.org/record/278817/files/figure.png" pageId="21" pageNumber="22">Fig. 15</figureCitation>
H). Uropod with lateral lobe of protopod ending in two small, widely spaced teeth; exopod with somewhat truncate margin; diaeresis with straight lateral portion, deep mesial incision and large subtriangular tooth near mesial margin (
<figureCitation id="13292A46FF81FF9DFE552440FDA89865" box="[445,527,1304,1328]" captionStart="FIGURE 15" captionStartId="19.[151,250,1787,1810]" captionTargetBox="[166,1402,226,1744]" captionTargetId="figure@19.[151,1436,193,1766]" captionTargetPageId="19" captionText="FIGURE 15. Leptalpheus bicristatus sp. nov., holotype, male from Chame Bay, Pacific coast of Panama (MNHN-IU- 2011 - 5243): A, frontal region, dorsal view; B, same, lateral view; C, telson, dorsal view; D, ventromesial tooth on first article of antennular peduncle, lateral view; E, third maxilliped, lateral view; F, second pereiopod, lateral view; G, third pereiopod, lateral view; H, appendix masculina and appendix interna, dorsal view; I, uropod, dorsal view (setae omitted)." httpUri="https://zenodo.org/record/278817/files/figure.png" pageId="21" pageNumber="22">
Fig.
<date id="FFAC1003FF81FF9DFE192440FDA89865" box="[497,527,1304,1328]" pageId="21" pageNumber="22" value="1915-01">15</date>
</figureCitation>
I).
</paragraph>
<paragraph id="8BAD36C3FF81FF9DFF2D2463FDDF9801" blockId="21.[151,1436,151,2012]" box="[197,632,1339,1364]" pageId="21" pageNumber="22">
<emphasis id="B966EAD1FF81FF9DFF2D2463FF5B9801" bold="true" box="[197,252,1339,1364]" pageId="21" pageNumber="22">Size.</emphasis>
The cl of the
<typeStatus id="54A98861FF81FF9DFE702464FE5D9801" box="[408,506,1340,1364]" pageId="21" pageNumber="22" type="holotype">holotype</typeStatus>
is
<quantity id="4CEA9B26FF81FF9DFDF32464FDD29801" box="[539,629,1340,1364]" metricMagnitude="-3" metricUnit="m" metricValue="4.3" pageId="21" pageNumber="22" unit="mm" value="4.3">4.3 mm</quantity>
.
</paragraph>
<paragraph id="8BAD36C3FF81FF9DFF2D2407FBAE9895" blockId="21.[151,1436,151,2012]" pageId="21" pageNumber="22">
<emphasis id="B966EAD1FF81FF9DFF2D2407FECB982D" bold="true" box="[197,364,1375,1400]" pageId="21" pageNumber="22">Colour in life.</emphasis>
Semitransparent with bluish tinge, speckled with reddish or purplish chromatophores arranged in diffuse bands on the abdomen and posterior carapace; antennular and antennal peduncles, chelipeds, and tail fan pale bluish with red chromatophores; walking legs mostly colourless (
<figureCitation id="13292A46FF81FF9DFC4024F0FC5C9895" box="[936,1019,1448,1472]" captionStart="FIGURE 17" captionStartId="22.[151,250,1482,1505]" captionTargetBox="[167,1426,181,1454]" captionTargetId="figure@22.[167,1427,181,1455]" captionTargetPageId="22" captionText="FIGURE 17. Leptalpheus bicristatus sp. nov., holotype, male from Chame Bay, Pacific coast of Panama (MNHN-IU- 2011 - 5243): A C, lateral views (A, right, B, C, left on different backgrounds); D, dorsal view." httpUri="https://zenodo.org/record/278819/files/figure.png" pageId="21" pageNumber="22">Fig. 17</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="C3086548FF81FF9DFF2D2494FE6B9B5D" pageId="21" pageNumber="22" type="etymology">
<paragraph id="8BAD36C3FF81FF9DFF2D2494FE6B9B5D" blockId="21.[151,1436,151,2012]" pageId="21" pageNumber="22">
<emphasis id="B966EAD1FF81FF9DFF2D2494FEEC98B1" bold="true" box="[197,331,1484,1508]" pageId="21" pageNumber="22">Etymology.</emphasis>
Combination of the Latin words bi (two) and cristatus (crested), referring to the two small orbital crests; used as an adjective.
</paragraph>
</subSubSection>
<subSubSection id="C3086548FF81FF9DFF2F274CFD5F9B78" box="[199,760,1555,1581]" pageId="21" pageNumber="22" type="materials_examined">
<paragraph id="8BAD36C3FF81FF9DFF2F274CFD5F9B78" blockId="21.[151,1436,151,2012]" box="[199,760,1555,1581]" pageId="21" pageNumber="22">
<emphasis id="B966EAD1FF81FF9DFF2F274CFEC29B79" bold="true" box="[199,357,1555,1580]" pageId="21" pageNumber="22">
<typeStatus id="54A98861FF81FF9DFF2F274CFEA59B79" box="[199,258,1556,1580]" pageId="21" pageNumber="22">Type</typeStatus>
locality.
</emphasis>
<collectingCountry id="F3057653FF81FF9DFE84274DFE609B79" box="[364,455,1557,1580]" name="Panama" pageId="21" pageNumber="22">Panama</collectingCountry>
, Pacific coast, Chame Bay.
</paragraph>
</subSubSection>
<subSubSection id="C3086548FF81FF9DFF2F276FFBD09BE9" pageId="21" pageNumber="22" type="distribution">
<paragraph id="8BAD36C3FF81FF9DFF2F276FFAD69B05" blockId="21.[151,1436,151,2012]" box="[199,1393,1591,1617]" pageId="21" pageNumber="22">
<emphasis id="B966EAD1FF81FF9DFF2F276FFEC79B05" bold="true" box="[199,352,1591,1616]" pageId="21" pageNumber="22">Distribution.</emphasis>
Eastern Pacific: presently known only from the
<typeStatus id="54A98861FF81FF9DFC972761FC089B04" box="[895,943,1593,1617]" pageId="21" pageNumber="22">type</typeStatus>
locality on the Pacific coast of
<collectingCountry id="F3057653FF81FF9DFAF92761FACA9B05" box="[1297,1389,1593,1616]" name="Panama" pageId="21" pageNumber="22">Panama</collectingCountry>
.
</paragraph>
<paragraph id="8BAD36C3FF81FF9DFF2F2704FBD09BE9" blockId="21.[151,1436,151,2012]" pageId="21" pageNumber="22">
<emphasis id="B966EAD1FF81FF9DFF2F2704FE8C9B21" bold="true" box="[199,299,1628,1652]" pageId="21" pageNumber="22">Ecology.</emphasis>
The
<typeStatus id="54A98861FF81FF9DFE832704FE6A9B21" box="[363,461,1628,1652]" pageId="21" pageNumber="22" type="holotype">holotype</typeStatus>
of
<taxonomicName id="4C124D40FF81FF9DFE122705FD369B21" box="[506,657,1628,1652]" class="Malacostraca" family="Alpheidae" genus="Leptalpheus" kingdom="Animalia" order="Decapoda" pageId="21" pageNumber="22" phylum="Arthropoda" rank="species" species="bicristatus" status="sp. nov.">
<emphasis id="B966EAD1FF81FF9DFE122705FD369B21" box="[506,657,1628,1652]" italics="true" pageId="21" pageNumber="22">L. bicristatus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A25557AAFF81FF9DFD742704FD5E9B21" box="[668,761,1628,1652]" pageId="21" pageNumber="22" rank="species">
<emphasis id="B966EAD1FF81FF9DFD742704FD5E9B21" bold="true" box="[668,761,1628,1652]" pageId="21" pageNumber="22">sp. nov.</emphasis>
</taxonomicNameLabel>
was found at the same site as the
<typeStatus id="54A98861FF81FF9DFB7D2704FB509B21" box="[1173,1271,1628,1652]" pageId="21" pageNumber="22" type="holotype">holotype</typeStatus>
of the abovedescribed
<taxonomicName id="4C124D40FF81FF9DFEE227D9FE0C9BCD" box="[266,427,1664,1688]" class="Malacostraca" family="Alpheidae" genus="Leptalpheus" kingdom="Animalia" order="Decapoda" pageId="21" pageNumber="22" phylum="Arthropoda" rank="species" species="penicillatus" status="sp. nov.">
<emphasis id="B966EAD1FF81FF9DFEE227D9FE0C9BCD" box="[266,427,1664,1688]" italics="true" pageId="21" pageNumber="22">L. penicillatus</emphasis>
</taxonomicName>
<emphasis id="B966EAD1FF81FF9DFE5C27D8FDA99BCD" bold="true" box="[436,526,1664,1688]" pageId="21" pageNumber="22">
<taxonomicNameLabel id="A25557AAFF81FF9DFE5C27D8FDA99BCD" box="[436,526,1664,1688]" pageId="21" pageNumber="22" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
: both specimens were extracted from holes in mangrove wood on a large estuarine mudflat, together with two upogebiid mudshrimps,
<taxonomicName id="4C124D40FF81FF9DFCE227FDFC149BE9" box="[778,947,1701,1724]" class="Malacostraca" family="Upogebiidae" genus="Upogebia" kingdom="Animalia" order="Decapoda" pageId="21" pageNumber="22" phylum="Arthropoda" rank="species" species="maccraryae">
<emphasis id="B966EAD1FF81FF9DFCE227FDFC149BE9" box="[778,947,1701,1724]" italics="true" pageId="21" pageNumber="22">U. maccraryae</emphasis>
</taxonomicName>
and
<taxonomicName id="4C124D40FF81FF9DFC0127FDFBD79BE9" box="[1001,1136,1700,1724]" class="Malacostraca" family="Upogebiidae" genus="Upogebia" kingdom="Animalia" order="Decapoda" pageId="21" pageNumber="22" phylum="Arthropoda" rank="species" species="veleronis">
<emphasis id="B966EAD1FF81FF9DFC0127FDFBD79BE9" box="[1001,1136,1700,1724]" italics="true" pageId="21" pageNumber="22">U. veleronis</emphasis>
</taxonomicName>
.
</paragraph>
</subSubSection>
<subSubSection id="C3086548FF81FF9EFF2F2790FC559AA1" lastPageId="22" lastPageNumber="23" pageId="21" pageNumber="22" type="discussion">
<paragraph id="8BAD36C3FF81FF9DFF2F2790FB7B9A89" blockId="21.[151,1436,151,2012]" pageId="21" pageNumber="22">
<emphasis id="B966EAD1FF81FF9DFF2F2790FE9C9BB5" bold="true" box="[199,315,1736,1760]" pageId="21" pageNumber="22">Remarks.</emphasis>
<taxonomicName id="4C124D40FF81FF9DFEAC2790FDEB9BB5" box="[324,588,1736,1760]" class="Malacostraca" family="Alpheidae" genus="Leptalpheus" kingdom="Animalia" order="Decapoda" pageId="21" pageNumber="22" phylum="Arthropoda" rank="species" species="bicristatus" status="sp. nov.">
<emphasis id="B966EAD1FF81FF9DFEAC2790FDEB9BB5" box="[324,588,1736,1760]" italics="true" pageId="21" pageNumber="22">Leptalpheus bicristatus</emphasis>
</taxonomicName>
<emphasis id="B966EAD1FF81FF9DFDBC2790FD179BB5" bold="true" box="[596,688,1736,1760]" pageId="21" pageNumber="22">
<taxonomicNameLabel id="A25557AAFF81FF9DFDBC2790FD179BB5" box="[596,688,1736,1760]" pageId="21" pageNumber="22" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
is closely related to
<taxonomicName id="4C124D40FF81FF9DFC492791FB919BB5" box="[929,1078,1737,1760]" class="Malacostraca" family="Alpheidae" genus="Leptalpheus" kingdom="Animalia" order="Decapoda" pageId="21" pageNumber="22" phylum="Arthropoda" rank="species" species="mexicanus">
<emphasis id="B966EAD1FF81FF9DFC492791FB919BB5" box="[929,1078,1737,1760]" italics="true" pageId="21" pageNumber="22">L. mexicanus</emphasis>
</taxonomicName>
originally described from Baja California,
<collectingCountry id="F3057653FF81FF9DFEFF27B4FECB9A51" box="[279,364,1772,1796]" name="Mexico" pageId="21" pageNumber="22">Mexico</collectingCountry>
(
<bibRefCitation id="EF834B32FF81FF9DFE9327B4FD259A51" author="Rios" box="[379,642,1772,1796]" pageId="21" pageNumber="22" refString="Rios R. &amp; Carvacho A. (1983) Caridean shrimps of the Gulf of California III. Leptalpheus mexicanus, new species (Crustacea, Decapoda, Alpheidae). Journal of Crustacean Biology, 3, 306 - 313." type="journal article" year="1983">Ríos &amp; Carvacho 1983</bibRefCitation>
), and later reported from
<collectingCountry id="F3057653FF81FF9DFC4A27B4FBB79A51" box="[930,1040,1772,1796]" name="Colombia" pageId="21" pageNumber="22">Colombia</collectingCountry>
(
<bibRefCitation id="EF834B32FF81FF9DFBF727B4FB169A51" author="Ramos" box="[1055,1201,1772,1796]" pageId="21" pageNumber="22" refString="Ramos, G. E. (1995) Nuevos registros de camarones alfeidos (Crustacea, Decapoda, Alpheidae) para el Pacifico de Colombia. In: Cantera, J. R. &amp; Restrepo, J. D. (eds.), Delta del Rio San Juan, Bahias de Malaga y Buenaventura, Pacifico Colombiano. Tomo II. Colciencias, Univeridad EAFIT y Universidad del Valle, Colombia, pp 127 - 153." type="book chapter" year="1995">Ramos 1995</bibRefCitation>
;
<bibRefCitation id="EF834B32FF81FF9DFB5527B4FE3E9A7D" author="Lazarus-Agudelo" pageId="21" pageNumber="22" refString="Lazarus-Agudelo, J. F. &amp; Cantera-Kintz, J. R. (2007) Crustaceos (Crustacea: Sessilia, Stomatopoda, Isopoda, Amphipoda, Decapoda) de Bahia Malaga, Valle del Cauca (Pacifico colombiano). Biota Colombiana, 8, 221 - 239." type="journal article" year="2007">Lazarus-Agudelo &amp; &amp; Cantera-Kintz 2007</bibRefCitation>
), from which it can be distinguished by the presence of two small crests on the carapace, right above each eye (
<figureCitation id="13292A46FF81FF9DFE66266CFE799A19" box="[398,478,1844,1868]" captionStart="FIGURE 15" captionStartId="19.[151,250,1787,1810]" captionTargetBox="[166,1402,226,1744]" captionTargetId="figure@19.[151,1436,193,1766]" captionTargetPageId="19" captionText="FIGURE 15. Leptalpheus bicristatus sp. nov., holotype, male from Chame Bay, Pacific coast of Panama (MNHN-IU- 2011 - 5243): A, frontal region, dorsal view; B, same, lateral view; C, telson, dorsal view; D, ventromesial tooth on first article of antennular peduncle, lateral view; E, third maxilliped, lateral view; F, second pereiopod, lateral view; G, third pereiopod, lateral view; H, appendix masculina and appendix interna, dorsal view; I, uropod, dorsal view (setae omitted)." httpUri="https://zenodo.org/record/278817/files/figure.png" pageId="21" pageNumber="22">Fig. 15</figureCitation>
A, B). In
<taxonomicName id="4C124D40FF81FF9DFDA2266DFD799A19" box="[586,734,1844,1868]" class="Malacostraca" family="Alpheidae" genus="Leptalpheus" kingdom="Animalia" order="Decapoda" pageId="21" pageNumber="22" phylum="Arthropoda" rank="species" species="bicristatus" status="sp. nov.">
<emphasis id="B966EAD1FF81FF9DFDA2266DFD799A19" box="[586,734,1844,1868]" italics="true" pageId="21" pageNumber="22">L. bicristatus</emphasis>
</taxonomicName>
<emphasis id="B966EAD1FF81FF9DFD0D266CFC989A19" bold="true" box="[741,831,1844,1868]" pageId="21" pageNumber="22">
<taxonomicNameLabel id="A25557AAFF81FF9DFD0D266CFC989A19" box="[741,831,1844,1868]" pageId="21" pageNumber="22" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
, the orbital crests occupy almost the same position as in
<taxonomicName id="4C124D40FF81FF9DFF5F2601FE869A25" box="[183,289,1880,1904]" class="Malacostraca" family="Alpheidae" genus="Leptalpheus" kingdom="Animalia" order="Decapoda" pageId="21" pageNumber="22" phylum="Arthropoda" rank="species" species="felderi">
<emphasis id="B966EAD1FF81FF9DFF5F2601FE869A25" box="[183,289,1880,1904]" italics="true" pageId="21" pageNumber="22">L. felderi</emphasis>
</taxonomicName>
(cf. Anker
<emphasis id="B966EAD1FF81FF9DFE442601FE409A25" box="[428,487,1880,1904]" italics="true" pageId="21" pageNumber="22">et al.</emphasis>
2006, fig. 1A), being much more posterior that the marginal crests of the abovedescribed
<taxonomicName id="4C124D40FF81FF9DFEE42625FE049AC1" box="[268,419,1916,1940]" class="Malacostraca" family="Alpheidae" genus="Leptalpheus" kingdom="Animalia" order="Decapoda" pageId="21" pageNumber="22" phylum="Arthropoda" rank="species" species="marginalis" status="sp. nov.">
<emphasis id="B966EAD1FF81FF9DFEE42625FE049AC1" box="[268,419,1916,1940]" italics="true" pageId="21" pageNumber="22">L. marginalis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A25557AAFF81FF9DFE452624FDAE9AC1" box="[429,521,1916,1940]" pageId="21" pageNumber="22" rank="species">
<emphasis id="B966EAD1FF81FF9DFE452624FDAE9AC1" bold="true" box="[429,521,1916,1940]" pageId="21" pageNumber="22">sp. nov.</emphasis>
</taxonomicNameLabel>
(
<figureCitation id="13292A46FF81FF9DFDF32624FDFC9AC1" box="[539,603,1916,1940]" captionStart="FIGURE 1" captionStartId="4.[151,250,1817,1840]" captionTargetBox="[151,1400,387,1763]" captionTargetId="figure@4.[151,1436,375,1796]" captionTargetPageId="4" captionText="FIGURE 1. Leptalpheus marginalis sp. nov.: all except I—holotype, male from Ciénaga Porto Nao, Caribbean coast of Colombia (USNM 1155316); I—paratype, male from the same locality (USNM 1155317): A, frontal region, dorsal view; B, same, lateral view; C, same detail of anterolateral margin and orbital crests; D, telson, dorsal view; E, ventromesial tooth on first article of antennular peduncle, lateral view; F, lateral antennular flagellum, lateral view; G, scaphocerite, dorsal view; H, antennal flagellum, lateral view; I, third maxilliped, lateral view; J, second pereiopod, lateral view; K, third pereiopod, lateral view; L, appendix masculina and appendix interna, dorsal view; M, uropod, dorsal view (setae omitted)." httpUri="https://zenodo.org/record/278803/files/figure.png" pageId="21" pageNumber="22">Fig. 1</figureCitation>
AC). These crests are fairly prominent and it is very unlikely that they were overlooked by both
<bibRefCitation id="EF834B32FF81FF9DFE5626F8FD7D9AED" author="Rios" box="[446,730,1952,1976]" pageId="21" pageNumber="22" refString="Rios R. &amp; Carvacho A. (1983) Caridean shrimps of the Gulf of California III. Leptalpheus mexicanus, new species (Crustacea, Decapoda, Alpheidae). Journal of Crustacean Biology, 3, 306 - 313." type="journal article" year="1983">Ríos &amp; Carvacho (1983)</bibRefCitation>
and
<bibRefCitation id="EF834B32FF81FF9DFCFD26F9FC1C9AED" author="Ramos" box="[789,955,1952,1976]" pageId="21" pageNumber="22" refString="Ramos, G. E. (1995) Nuevos registros de camarones alfeidos (Crustacea, Decapoda, Alpheidae) para el Pacifico de Colombia. In: Cantera, J. R. &amp; Restrepo, J. D. (eds.), Delta del Rio San Juan, Bahias de Malaga y Buenaventura, Pacifico Colombiano. Tomo II. Colciencias, Univeridad EAFIT y Universidad del Valle, Colombia, pp 127 - 153." type="book chapter" year="1995">Ramos (1995)</bibRefCitation>
. In addition, a topotypical specimen of
<taxonomicName id="4C124D40FF81FF9DFA6D26F9FEAA9A89" class="Malacostraca" family="Alpheidae" genus="Leptalpheus" kingdom="Animalia" order="Decapoda" pageId="21" pageNumber="22" phylum="Arthropoda" rank="species" species="mexicanus">
<emphasis id="B966EAD1FF81FF9DFA6D26F9FEAA9A89" italics="true" pageId="21" pageNumber="22">L. mexicanus</emphasis>
</taxonomicName>
(MNHN-Na 13624) examined in 2001 did not have these crests (A. Anker, pers. obs.).
</paragraph>
<caption id="DF6D664BFF82FF9EFF7F2492FBB098AA" httpUri="https://zenodo.org/record/278819/files/figure.png" pageId="22" pageNumber="23" targetBox="[167,1426,181,1454]" targetPageId="22">
<paragraph id="8BAD36C3FF82FF9EFF7F2492FBB098AA" blockId="22.[151,1436,1482,1535]" pageId="22" pageNumber="23">
<emphasis id="B966EAD1FF82FF9EFF7F2492FE8698B5" bold="true" box="[151,289,1482,1505]" pageId="22" pageNumber="23">FIGURE 17.</emphasis>
<taxonomicName id="4C124D40FF82FF9EFEC12492FDBF98B5" box="[297,536,1482,1504]" class="Malacostraca" family="Alpheidae" genus="Leptalpheus" kingdom="Animalia" order="Decapoda" pageId="22" pageNumber="23" phylum="Arthropoda" rank="species" species="bicristatus" status="sp. nov.">
<emphasis id="B966EAD1FF82FF9EFEC12492FDBF98B5" box="[297,536,1482,1504]" italics="true" pageId="22" pageNumber="23">Leptalpheus bicristatus</emphasis>
</taxonomicName>
<emphasis id="B966EAD1FF82FF9EFDC82493FDD598B5" bold="true" box="[544,626,1483,1504]" pageId="22" pageNumber="23">
<taxonomicNameLabel id="A25557AAFF82FF9EFDC82493FDD598B5" box="[544,626,1483,1504]" pageId="22" pageNumber="23" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
, holotype, male from Chame Bay, Pacific coast of Panama (MNHN-IU-2011- 5243): AC, lateral views (A, right, B, C, left on different backgrounds); D, dorsal view.
</paragraph>
</caption>
<paragraph id="8BAD36C3FF82FF9EFF2D2773FC559AA1" blockId="22.[151,1436,1579,2036]" pageId="22" pageNumber="23">
The major cheliped of
<taxonomicName id="4C124D40FF82FF9EFE2B2775FDF19B11" box="[451,598,1580,1604]" class="Malacostraca" family="Alpheidae" genus="Leptalpheus" kingdom="Animalia" order="Decapoda" pageId="22" pageNumber="23" phylum="Arthropoda" rank="species" species="bicristatus" status="sp. nov.">
<emphasis id="B966EAD1FF82FF9EFE2B2775FDF19B11" box="[451,598,1580,1604]" italics="true" pageId="22" pageNumber="23">L. bicristatus</emphasis>
</taxonomicName>
<emphasis id="B966EAD1FF82FF9EFDB42774FD119B11" bold="true" box="[604,694,1580,1604]" pageId="22" pageNumber="23">
<taxonomicNameLabel id="A25557AAFF82FF9EFDB42774FD119B11" box="[604,694,1580,1604]" pageId="22" pageNumber="23" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
appears to be somewhat stouter than in
<taxonomicName id="4C124D40FF82FF9EFB9C2775FAAF9B11" box="[1140,1288,1581,1604]" class="Malacostraca" family="Alpheidae" genus="Leptalpheus" kingdom="Animalia" order="Decapoda" pageId="22" pageNumber="23" phylum="Arthropoda" rank="species" species="mexicanus">
<emphasis id="B966EAD1FF82FF9EFB9C2775FAAF9B11" box="[1140,1288,1581,1604]" italics="true" pageId="22" pageNumber="23">L. mexicanus</emphasis>
</taxonomicName>
, but is otherwise very similar, including the peculiar shape and armature of the chela fingers (cf.
<figureCitation id="13292A46FF82FF9EFBAC2717FB339B32" box="[1092,1172,1615,1639]" captionStart="FIGURE 16" captionStartId="20.[151,250,1827,1850]" captionTargetBox="[167,1381,231,1745]" captionTargetId="figure@20.[151,1435,193,1806]" captionTargetPageId="20" captionText="FIGURE 16. Leptalpheus bicristatus sp. nov., holotype, male from Chame Bay, Pacific coast of Panama (MNHN-IU- 2011 - 5243): A, major cheliped in situ, ventral view; B, same, carpus and chela, mesial view; C, same, distal merus, carpus and chela, lateral view; D, same, ischium, mesial view; E, major chela fingers, mesial view; F, minor cheliped, lateral view; G, same, chela, mesial view." httpUri="https://zenodo.org/record/278818/files/figure.png" pageId="22" pageNumber="23">Fig. 16</figureCitation>
C, E and
<bibRefCitation id="EF834B32FF82FF9EFB122717FEA19BDE" author="Rios" pageId="22" pageNumber="23" refString="Rios R. &amp; Carvacho A. (1983) Caridean shrimps of the Gulf of California III. Leptalpheus mexicanus, new species (Crustacea, Decapoda, Alpheidae). Journal of Crustacean Biology, 3, 306 - 313." type="journal article" year="1983">Ríos &amp; Carvacho 1983</bibRefCitation>
, fig. 1ae). On the other hand, the rostral projection of
<taxonomicName id="4C124D40FF82FF9EFC48272DFB9F9BD9" box="[928,1080,1652,1676]" class="Malacostraca" family="Alpheidae" genus="Leptalpheus" kingdom="Animalia" order="Decapoda" pageId="22" pageNumber="23" phylum="Arthropoda" rank="species" species="bicristatus" status="sp. nov.">
<emphasis id="B966EAD1FF82FF9EFC48272DFB9F9BD9" box="[928,1080,1652,1676]" italics="true" pageId="22" pageNumber="23">L. bicristatus</emphasis>
</taxonomicName>
<emphasis id="B966EAD1FF82FF9EFBAB272CFB069BD9" bold="true" box="[1091,1185,1652,1676]" pageId="22" pageNumber="23">
<taxonomicNameLabel id="A25557AAFF82FF9EFBAB272CFB069BD9" box="[1091,1185,1652,1676]" pageId="22" pageNumber="23" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
is less produced and somewhat blunter than in
<taxonomicName id="4C124D40FF82FF9EFE5127C1FDEB9BE5" box="[441,588,1689,1712]" class="Malacostraca" family="Alpheidae" genus="Leptalpheus" kingdom="Animalia" order="Decapoda" pageId="22" pageNumber="23" phylum="Arthropoda" rank="species" species="mexicanus">
<emphasis id="B966EAD1FF82FF9EFE5127C1FDEB9BE5" box="[441,588,1689,1712]" italics="true" pageId="22" pageNumber="23">L. mexicanus</emphasis>
</taxonomicName>
, whilst the anterior margin of the scaphocerite blade appears to be less convex in
<taxonomicName id="4C124D40FF82FF9EFF0C27E5FEDF9B81" box="[228,376,1724,1748]" class="Malacostraca" family="Alpheidae" genus="Leptalpheus" kingdom="Animalia" order="Decapoda" pageId="22" pageNumber="23" phylum="Arthropoda" rank="species" species="bicristatus" status="sp. nov.">
<emphasis id="B966EAD1FF82FF9EFF0C27E5FEDF9B81" box="[228,376,1724,1748]" italics="true" pageId="22" pageNumber="23">L. bicristatus</emphasis>
</taxonomicName>
<emphasis id="B966EAD1FF82FF9EFE9727E4FE7E9B81" bold="true" box="[383,473,1724,1748]" pageId="22" pageNumber="23">
<taxonomicNameLabel id="A25557AAFF82FF9EFE9727E4FE7E9B81" box="[383,473,1724,1748]" pageId="22" pageNumber="23" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
than in
<taxonomicName id="4C124D40FF82FF9EFDDD27E5FD6E9B81" box="[565,713,1725,1748]" class="Malacostraca" family="Alpheidae" genus="Leptalpheus" kingdom="Animalia" order="Decapoda" pageId="22" pageNumber="23" phylum="Arthropoda" rank="species" species="mexicanus">
<emphasis id="B966EAD1FF82FF9EFDDD27E5FD6E9B81" box="[565,713,1725,1748]" italics="true" pageId="22" pageNumber="23">L. mexicanus</emphasis>
</taxonomicName>
(cf.
<figureCitation id="13292A46FF82FF9EFD1627E3FCEB9B86" box="[766,844,1723,1747]" captionStart="FIGURE 15" captionStartId="19.[151,250,1787,1810]" captionTargetBox="[166,1402,226,1744]" captionTargetId="figure@19.[151,1436,193,1766]" captionTargetPageId="19" captionText="FIGURE 15. Leptalpheus bicristatus sp. nov., holotype, male from Chame Bay, Pacific coast of Panama (MNHN-IU- 2011 - 5243): A, frontal region, dorsal view; B, same, lateral view; C, telson, dorsal view; D, ventromesial tooth on first article of antennular peduncle, lateral view; E, third maxilliped, lateral view; F, second pereiopod, lateral view; G, third pereiopod, lateral view; H, appendix masculina and appendix interna, dorsal view; I, uropod, dorsal view (setae omitted)." httpUri="https://zenodo.org/record/278817/files/figure.png" pageId="22" pageNumber="23">Fig. 15</figureCitation>
A and
<bibRefCitation id="EF834B32FF82FF9EFC7127E3FB399B86" author="Rios" box="[921,1182,1723,1747]" pageId="22" pageNumber="23" refString="Rios R. &amp; Carvacho A. (1983) Caridean shrimps of the Gulf of California III. Leptalpheus mexicanus, new species (Crustacea, Decapoda, Alpheidae). Journal of Crustacean Biology, 3, 306 - 313." type="journal article" year="1983">Ríos &amp; Carvacho 1983</bibRefCitation>
, fig. 1f). In the second pereiopod, the first carpal article is relatively longer in
<taxonomicName id="4C124D40FF82FF9EFCE827B9FC349BAD" box="[768,915,1760,1784]" class="Malacostraca" family="Alpheidae" genus="Leptalpheus" kingdom="Animalia" order="Decapoda" pageId="22" pageNumber="23" phylum="Arthropoda" rank="species" species="bicristatus" status="sp. nov.">
<emphasis id="B966EAD1FF82FF9EFCE827B9FC349BAD" box="[768,915,1760,1784]" italics="true" pageId="22" pageNumber="23">L. bicristatus</emphasis>
</taxonomicName>
<emphasis id="B966EAD1FF82FF9EFC7327B8FC539BAD" bold="true" box="[923,1012,1760,1784]" pageId="22" pageNumber="23">
<taxonomicNameLabel id="A25557AAFF82FF9EFC7327B8FC539BAD" box="[923,1012,1760,1784]" pageId="22" pageNumber="23" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
compared to that in
<taxonomicName id="4C124D40FF82FF9EFB3327B9FAC89BAD" box="[1243,1391,1761,1784]" class="Malacostraca" family="Alpheidae" genus="Leptalpheus" kingdom="Animalia" order="Decapoda" pageId="22" pageNumber="23" phylum="Arthropoda" rank="species" species="mexicanus">
<emphasis id="B966EAD1FF82FF9EFB3327B9FAC89BAD" box="[1243,1391,1761,1784]" italics="true" pageId="22" pageNumber="23">L. mexicanus</emphasis>
</taxonomicName>
(cf.
<figureCitation id="13292A46FF82FF9EFF7F265BFF429A4E" box="[151,229,1795,1819]" captionStart="FIGURE 15" captionStartId="19.[151,250,1787,1810]" captionTargetBox="[166,1402,226,1744]" captionTargetId="figure@19.[151,1436,193,1766]" captionTargetPageId="19" captionText="FIGURE 15. Leptalpheus bicristatus sp. nov., holotype, male from Chame Bay, Pacific coast of Panama (MNHN-IU- 2011 - 5243): A, frontal region, dorsal view; B, same, lateral view; C, telson, dorsal view; D, ventromesial tooth on first article of antennular peduncle, lateral view; E, third maxilliped, lateral view; F, second pereiopod, lateral view; G, third pereiopod, lateral view; H, appendix masculina and appendix interna, dorsal view; I, uropod, dorsal view (setae omitted)." httpUri="https://zenodo.org/record/278817/files/figure.png" pageId="22" pageNumber="23">Fig. 15</figureCitation>
F and
<bibRefCitation id="EF834B32FF82FF9EFEC5265BFD949A4E" author="Rios" box="[301,563,1795,1819]" pageId="22" pageNumber="23" refString="Rios R. &amp; Carvacho A. (1983) Caridean shrimps of the Gulf of California III. Leptalpheus mexicanus, new species (Crustacea, Decapoda, Alpheidae). Journal of Crustacean Biology, 3, 306 - 313." type="journal article" year="1983">Ríos &amp; Carvacho 1983</bibRefCitation>
, fig. 2c). A further difference between the two species lies in the shape of the lateral lobe of the uropodal protopod, which has two small teeth separated by a shallowly concave distal margin in
<taxonomicName id="4C124D40FF82FF9EFF7F2615FE8C9A31" box="[151,299,1868,1892]" class="Malacostraca" family="Alpheidae" genus="Leptalpheus" kingdom="Animalia" order="Decapoda" pageId="22" pageNumber="23" phylum="Arthropoda" rank="species" species="bicristatus" status="sp. nov.">
<emphasis id="B966EAD1FF82FF9EFF7F2615FE8C9A31" box="[151,299,1868,1892]" italics="true" pageId="22" pageNumber="23">L. bicristatus</emphasis>
</taxonomicName>
<emphasis id="B966EAD1FF82FF9EFEDB2614FE2A9A31" bold="true" box="[307,397,1868,1892]" pageId="22" pageNumber="23">
<taxonomicNameLabel id="A25557AAFF82FF9EFEDB2614FE2A9A31" box="[307,397,1868,1892]" pageId="22" pageNumber="23" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
vs. two much stronger teeth separated by a deeply triangular notch in
<taxonomicName id="4C124D40FF82FF9EFB4E2615FA9C9A31" box="[1190,1339,1869,1892]" class="Malacostraca" family="Alpheidae" genus="Leptalpheus" kingdom="Animalia" order="Decapoda" pageId="22" pageNumber="23" phylum="Arthropoda" rank="species" species="mexicanus">
<emphasis id="B966EAD1FF82FF9EFB4E2615FA9C9A31" box="[1190,1339,1869,1892]" italics="true" pageId="22" pageNumber="23">L. mexicanus</emphasis>
</taxonomicName>
(cf.
<figureCitation id="13292A46FF82FF9EFA872613FF149ADD" captionStart="FIGURE 15" captionStartId="19.[151,250,1787,1810]" captionTargetBox="[166,1402,226,1744]" captionTargetId="figure@19.[151,1436,193,1766]" captionTargetPageId="19" captionText="FIGURE 15. Leptalpheus bicristatus sp. nov., holotype, male from Chame Bay, Pacific coast of Panama (MNHN-IU- 2011 - 5243): A, frontal region, dorsal view; B, same, lateral view; C, telson, dorsal view; D, ventromesial tooth on first article of antennular peduncle, lateral view; E, third maxilliped, lateral view; F, second pereiopod, lateral view; G, third pereiopod, lateral view; H, appendix masculina and appendix interna, dorsal view; I, uropod, dorsal view (setae omitted)." httpUri="https://zenodo.org/record/278817/files/figure.png" pageId="22" pageNumber="23">
Fig.
<date id="FFAC1003FF82FF9EFF7F2628FF149ADD" box="[151,179,1904,1928]" pageId="22" pageNumber="23" value="1915-01">15</date>
</figureCitation>
I and
<bibRefCitation id="EF834B32FF82FF9EFF1E2628FDA79ADD" author="Rios" box="[246,512,1904,1928]" pageId="22" pageNumber="23" refString="Rios R. &amp; Carvacho A. (1983) Caridean shrimps of the Gulf of California III. Leptalpheus mexicanus, new species (Crustacea, Decapoda, Alpheidae). Journal of Crustacean Biology, 3, 306 - 313." type="journal article" year="1983">Ríos &amp; Carvacho 1983</bibRefCitation>
, fig. 1e). The difference in size is rather insignificant: the largest specimen of
<taxonomicName id="4C124D40FF82FF9EFA6D2629FEAA9AF9" class="Malacostraca" family="Alpheidae" genus="Leptalpheus" kingdom="Animalia" order="Decapoda" pageId="22" pageNumber="23" phylum="Arthropoda" rank="species" species="mexicanus">
<emphasis id="B966EAD1FF82FF9EFA6D2629FEAA9AF9" italics="true" pageId="22" pageNumber="23">L. mexicanus</emphasis>
</taxonomicName>
was
<quantity id="4CEA9B26FF82FF9EFEA126CBFE099AFE" box="[329,430,1939,1963]" metricMagnitude="-3" metricUnit="m" metricValue="3.54" pageId="22" pageNumber="23" unit="mm" value="3.54">3.54 mm</quantity>
cl (
<bibRefCitation id="EF834B32FF82FF9EFE3226CBFD439AFE" author="Rios" box="[474,740,1939,1963]" pageId="22" pageNumber="23" refString="Rios R. &amp; Carvacho A. (1983) Caridean shrimps of the Gulf of California III. Leptalpheus mexicanus, new species (Crustacea, Decapoda, Alpheidae). Journal of Crustacean Biology, 3, 306 - 313." type="journal article" year="1983">Ríos &amp; Carvacho 1983</bibRefCitation>
), while the
<typeStatus id="54A98861FF82FF9EFC8226CBFC6B9AFE" box="[874,972,1939,1963]" pageId="22" pageNumber="23" type="holotype">holotype</typeStatus>
of
<taxonomicName id="4C124D40FF82FF9EFC1B26CDFB2F9AF9" box="[1011,1160,1940,1964]" class="Malacostraca" family="Alpheidae" genus="Leptalpheus" kingdom="Animalia" order="Decapoda" pageId="22" pageNumber="23" phylum="Arthropoda" rank="species" species="bicristatus" status="sp. nov.">
<emphasis id="B966EAD1FF82FF9EFC1B26CDFB2F9AF9" box="[1011,1160,1940,1964]" italics="true" pageId="22" pageNumber="23">L. bicristatus</emphasis>
</taxonomicName>
<emphasis id="B966EAD1FF82FF9EFB7826CCFB4C9AF9" bold="true" box="[1168,1259,1940,1964]" pageId="22" pageNumber="23">
<taxonomicNameLabel id="A25557AAFF82FF9EFB7826CCFB4C9AF9" box="[1168,1259,1940,1964]" pageId="22" pageNumber="23" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
is only slightly larger, at cl
<quantity id="4CEA9B26FF82FF9EFEF226E0FED49A85" box="[282,371,1976,2000]" metricMagnitude="-3" metricUnit="m" metricValue="4.3" pageId="22" pageNumber="23" unit="mm" value="4.3">4.3 mm</quantity>
. A genetic comparison between
<taxonomicName id="4C124D40FF82FF9EFD3626E1FCD59A85" box="[734,882,1977,2000]" class="Malacostraca" family="Alpheidae" genus="Leptalpheus" kingdom="Animalia" order="Decapoda" pageId="22" pageNumber="23" phylum="Arthropoda" rank="species" species="mexicanus">
<emphasis id="B966EAD1FF82FF9EFD3626E1FCD59A85" box="[734,882,1977,2000]" italics="true" pageId="22" pageNumber="23">L. mexicanus</emphasis>
</taxonomicName>
from the Gulf of California and
<taxonomicName id="4C124D40FF82FF9EFB0826E1FAD49A85" box="[1248,1395,1976,2000]" class="Malacostraca" family="Alpheidae" genus="Leptalpheus" kingdom="Animalia" order="Decapoda" pageId="22" pageNumber="23" phylum="Arthropoda" rank="species" species="bicristatus" status="sp. nov.">
<emphasis id="B966EAD1FF82FF9EFB0826E1FAD49A85" box="[1248,1395,1976,2000]" italics="true" pageId="22" pageNumber="23">L. bicristatus</emphasis>
</taxonomicName>
<emphasis id="B966EAD1FF82FF9EFA9226E0FF6F9AA1" bold="true" pageId="22" pageNumber="23">
<taxonomicNameLabel id="A25557AAFF82FF9EFA9226E0FF6F9AA1" pageId="22" pageNumber="23" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
from
<collectingCountry id="F3057653FF82FF9EFEE42685FEC29AA1" box="[268,357,2013,2036]" name="Panama" pageId="22" pageNumber="23">Panama</collectingCountry>
is desirable to corroborate the validity of the new species.
</paragraph>
</subSubSection>
</treatment>
</document>