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<document id="943956BA1D1EF255C22613A353399FCE" ID-DOI="10.11646/zootaxa.3835.4.8" ID-GBIF-Dataset="d02d5b77-98cb-4d8d-a14c-16601ee5506a" ID-ISSN="1175-5326" ID-Zenodo-Dep="231603" ID-ZooBank="449B1486-A86B-4245-AE33-419C777A7C2A" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460457971206" checkinUser="plazi" docAuthor="Salgado-Barragán, José, Ayón-Parente, Manuel &amp; Hendrickx, Michel E." docDate="2014" docId="03C587E3FFDDFF89FF66C8EE74E8FC93" docLanguage="en" docName="zt03835p582.pdf" docOrigin="Zootaxa 3835 (4)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Leptalpheus mexicanus Rios &amp; Carvacho 1983" docType="treatment" docVersion="11" lastPageNumber="581" masterDocId="FFFCFF9BFFDAFF81FFF1C879706BFF86" masterDocTitle="A new species of Leptalpheus Williams, 1965 and new records of L. mexicanus Ríos &amp; Carvacho, 1983 and L. hendrickxi Anker, 2011 (Crustacea: Decapoda: Alpheidae) from the Pacific coast of Mexico" masterLastPageNumber="582" masterPageNumber="573" pageNumber="580" updateTime="1698302706245" updateUser="plazi">
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<mods:title id="226487806006CDD07776E9B917387631">A new species of Leptalpheus Williams, 1965 and new records of L. mexicanus Ríos &amp; Carvacho, 1983 and L. hendrickxi Anker, 2011 (Crustacea: Decapoda: Alpheidae) from the Pacific coast of Mexico</mods:title>
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<mods:namePart id="A3FF075735269A8E928E283D1F455CBB">Salgado-Barragán, José</mods:namePart>
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<mods:namePart id="9AF7C20BE0CCEB46289C0F796F3BF151">Ayón-Parente, Manuel</mods:namePart>
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<mods:namePart id="DCC68F0B690F49AEB08AA43D2936F143">Hendrickx, Michel E.</mods:namePart>
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<mods:title id="A8E84366DE752FECB14A50BBC667F105">Zootaxa</mods:title>
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<taxonomicName id="4C6C4D76FFDDFF86FF66C8EE72B6FF34" ID-CoL="85TJQ" authority="Rios &amp; Carvacho, 1983" authorityName="Rios &amp; Carvacho" authorityYear="1983" box="[151,733,151,178]" class="Malacostraca" family="Alpheidae" genus="Leptalpheus" kingdom="Animalia" order="Decapoda" pageId="7" pageNumber="580" phylum="Arthropoda" rank="species" species="mexicanus">
<emphasis id="B918EAE7FFDDFF86FF66C8EE72B6FF34" bold="true" box="[151,733,151,178]" pageId="7" pageNumber="580">
<emphasis id="B918EAE7FFDDFF86FF66C8EE71DFFF37" bold="true" box="[151,436,151,177]" italics="true" pageId="7" pageNumber="580">Leptalpheus mexicanus</emphasis>
<bibRefCitation id="EFFD4B04FFDDFF86FE4AC8E172B6FF34" author="Rios" box="[443,733,152,178]" pageId="7" pageNumber="580" 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. http: // dx. doi. org / 10.2307 / 1548265" type="journal article" year="1983">Ríos &amp; Carvacho, 1983</bibRefCitation>
</emphasis>
</taxonomicName>
</heading>
</paragraph>
<paragraph id="8BD336F5FFDDFF86FF66C8C37178FF55" blockId="7.[151,733,151,211]" box="[151,275,186,211]" pageId="7" pageNumber="580">
<figureCitation id="13572A70FFDDFF86FF66C8C37089FF55" box="[151,226,186,211]" captionStart="FIGURE 6" captionStartId="7.[151,250,1459,1481]" captionTargetBox="[200,1361,535,1446]" captionTargetId="figure@7.[197,1364,531,1446]" captionTargetPageId="7" captionText="FIGURE 6. Leptalpheus mexicanus Ríos &amp; Carvacho, 1983, female (A – D, EMU- 8784). A, anterior part of carapace and appendages, dorsal view; B, anterior part of carapace, lateral view; C, major cheliped, lateral view; D, right uropod and telson. Leptalpheus mexicanus Ríos &amp; Carvacho, 1983 (E – F, CNCR- 2506); E, female holotype, anterior part of carapace, lateral view; F, male allotype, anterior part of carapace, lateral view. Scale bars = 1 mm." httpUri="https://zenodo.org/record/231609/files/figure.png" pageId="7" pageNumber="580">Figs. 6</figureCitation>
A–F
</paragraph>
</subSubSection>
<subSubSection id="C376657EFFDDFF86FF66C8847478FE95" box="[151,1043,253,275]" pageId="7" pageNumber="580" type="reference_group">
<paragraph id="8BD336F5FFDDFF86FF66C8847478FE95" blockId="7.[151,1043,253,275]" box="[151,1043,253,275]" pageId="7" pageNumber="580">
<treatmentCitationGroup id="AB7C11DBFFDDFF86FF66C8847478FE95" box="[151,1043,253,275]" pageId="7" pageNumber="580">
<taxonomicName id="4C6C4D76FFDDFF86FF66C88472C2FE95" ID-CoL="85TJQ" authority="Rios &amp; Carvacho 1983: 306" authorityName="Rios &amp; Carvacho" authorityPageNumber="306" authorityYear="1983" box="[151,681,253,275]" class="Malacostraca" family="Alpheidae" genus="Leptalpheus" kingdom="Animalia" order="Decapoda" pageId="7" pageNumber="580" phylum="Arthropoda" rank="species" species="mexicanus">
<emphasis id="B918EAE7FFDDFF86FF66C88471EFFE95" box="[151,388,253,275]" italics="true" pageId="7" pageNumber="580">Leptalpheus mexicanus</emphasis>
<treatmentCitation id="0ACD10E4FFDDFF86FE7BC88472C2FE95" author="Rios" box="[394,681,253,275]" page="306" pageId="7" pageNumber="580" year="1983">
<bibRefCitation id="EFFD4B04FFDDFF86FE7BC884721DFE95" author="Rios" box="[394,630,253,275]" pageId="7" pageNumber="580" 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. http: // dx. doi. org / 10.2307 / 1548265" type="journal article" year="1983">Ríos &amp; Carvacho 1983</bibRefCitation>
: 306
</treatmentCitation>
</taxonomicName>
, figs. 1–3;
<treatmentCitation id="0ACD10E4FFDDFF86FCE8C88773A6FE95" author="Ramos" box="[793,973,253,275]" page="131" pageId="7" pageNumber="580" year="1995">
<bibRefCitation id="EFFD4B04FFDDFF86FCE8C88773F0FE95" author="Ramos" box="[793,923,253,275]" pageId="7" pageNumber="580" 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. Universidad EAFIT y Universidad del Valle, Colombia, pp. 127 - 153." type="book chapter" year="1995">Ramos 1995</bibRefCitation>
: 131
</treatmentCitation>
, fig. 1.
</treatmentCitationGroup>
</paragraph>
</subSubSection>
<subSubSection id="C376657EFFDDFF86FF66C94673C6FEFA" pageId="7" pageNumber="580" type="materials_examined">
<paragraph id="8BD336F5FFDDFF86FF66C94673C6FEFA" blockId="7.[151,1436,319,488]" pageId="7" pageNumber="580">
<emphasis id="B918EAE7FFDDFF86FF66C94671EFFEDE" bold="true" box="[151,388,319,344]" pageId="7" pageNumber="580">Material examined.</emphasis>
<specimenCount id="9D6AFD7CFFDDFF86FE7FC9397195FEDE" box="[398,510,319,344]" pageId="7" pageNumber="580" type="female">2 females</specimenCount>
(CL
<quantity id="4C949B10FFDDFF86FDB1C94672A4FEDE" box="[576,719,319,344]" metricMagnitude="-3" metricUnit="m" metricValue="5.699999999999999" metricValueMax="6.3" metricValueMin="5.1" pageId="7" pageNumber="580" unit="mm" value="5.699999999999999" valueMax="6.3" valueMin="5.1">5.1–6.3 mm</quantity>
), Estero de Urías, Mazatlán, Sinaloa,
<collectingCountry id="F37B7665FFDDFF86FB7BC9467489FEDE" box="[1162,1250,319,344]" name="Mexico" pageId="7" pageNumber="580">Mexico</collectingCountry>
,
<geoCoordinate id="EE585032FFDDFF86FB00C94675F3FED1" box="[1265,1432,319,344]" direction="north" orientation="latitude" pageId="7" pageNumber="580" precision="1" value="23.207945">23°12'28.6&quot; N</geoCoordinate>
,
<geoCoordinate id="EE585032FFDDFF86FF66C91D7157FEFA" box="[151,316,356,381]" direction="west" orientation="longitude" pageId="7" pageNumber="580" precision="15" value="-106.40139">106°24’05” W</geoCoordinate>
, mudflat, yabby pump,
<date id="FFD21035FFDDFF86FDB4C91D7367FEFA" box="[581,780,356,381]" pageId="7" pageNumber="580" value="2010-12-01">1 December 2010</date>
(EMU-8784).
</paragraph>
</subSubSection>
<subSubSection id="C376657EFFDDFF86FF36C9FE7418FE6E" pageId="7" pageNumber="580" type="distribution">
<paragraph id="8BD336F5FFDDFF86FF36C9FE7418FE6E" blockId="7.[151,1436,319,488]" pageId="7" pageNumber="580">
<emphasis id="B918EAE7FFDDFF86FF36C9FE710BFE19" bold="true" box="[199,352,391,416]" pageId="7" pageNumber="580">Distribution.</emphasis>
Estero Mulegé, Baja California Sur (
<typeStatus id="54D78857FFDDFF86FCFDC9F17355FE26" box="[780,830,392,416]" pageId="7" pageNumber="580">type</typeStatus>
locality), and Manzanillo, Colima,
<collectingCountry id="F37B7665FFDDFF86FB26C9FE7544FE26" box="[1239,1327,391,416]" name="Mexico" pageId="7" pageNumber="580">Mexico</collectingCountry>
, to Bahía Málaga,
<collectingCountry id="F37B7665FFDDFF86FF08C9D5710CFE43" box="[249,359,428,453]" name="Colombia" pageId="7" pageNumber="580">Colombia</collectingCountry>
(
<bibRefCitation id="EFFD4B04FFDDFF86FE87C9D57217FE42" author="Rios" box="[374,636,428,453]" pageId="7" pageNumber="580" 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. http: // dx. doi. org / 10.2307 / 1548265" type="journal article" year="1983">Ríos &amp; Carvacho 1983</bibRefCitation>
;
<bibRefCitation id="EFFD4B04FFDDFF86FD79C9D47373FE43" author="Ramos" box="[648,792,428,453]" pageId="7" pageNumber="580" 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. Universidad EAFIT y Universidad del Valle, Colombia, pp. 127 - 153." type="book chapter" year="1995">Ramos 1995</bibRefCitation>
;
<bibRefCitation id="EFFD4B04FFDDFF86FCD2C9D57487FE42" author="Lazarus-Agudelo" box="[803,1260,428,453]" pageId="7" pageNumber="580" 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; Cantera-Kintz 2007</bibRefCitation>
).
<emphasis id="B918EAE7FFDDFF86FF36C9B67140FE6E" bold="true" box="[199,299,463,488]" pageId="7" pageNumber="580">Ecology.</emphasis>
The specimens were collected on a mudflat, in burrows of unknown hosts.
</paragraph>
</subSubSection>
<caption id="DF13667DFFDDFF86FF66CDCA73E5F9A3" httpUri="https://zenodo.org/record/231609/files/figure.png" pageId="7" pageNumber="580" targetBox="[200,1361,535,1446]" targetPageId="7">
<paragraph id="8BD336F5FFDDFF86FF66CDCA73E5F9A3" blockId="7.[151,1436,1459,1573]" pageId="7" pageNumber="580">
<emphasis id="B918EAE7FFDDFF86FF66CDCA717DFA4E" bold="true" box="[151,278,1459,1481]" pageId="7" pageNumber="580">FIGURE 6.</emphasis>
<taxonomicName id="4C6C4D76FFDDFF86FED1CDCA737CFA4F" authority="Rios &amp; Carvacho, 1983" authorityName="Rios &amp; Carvacho" authorityYear="1983" box="[288,791,1459,1481]" class="Malacostraca" family="Alpheidae" genus="Leptalpheus" kingdom="Animalia" order="Decapoda" pageId="7" pageNumber="580" phylum="Arthropoda" rank="species" species="mexicanus">
<emphasis id="B918EAE7FFDDFF86FED1CDCA727AFA4F" box="[288,529,1459,1481]" italics="true" pageId="7" pageNumber="580">Leptalpheus mexicanus</emphasis>
Ríos &amp; Carvacho, 1983
</taxonomicName>
, female (A–D, EMU-8784). A, anterior part of carapace and appendages, dorsal view; B, anterior part of carapace, lateral view; C,
<taxonomicName id="4C6C4D76FFDDFF86FC90CDAB73F7FA6E" box="[865,924,1490,1512]" pageId="7" pageNumber="580" rank="species" species="major">major</taxonomicName>
cheliped, lateral view; D, right uropod and telson.
<taxonomicName id="4C6C4D76FFDDFF86FF66CD897213F980" authority="Rios &amp; Carvacho, 1983" authorityName="Rios &amp; Carvacho" authorityYear="1983" box="[151,632,1520,1542]" class="Malacostraca" family="Alpheidae" genus="Leptalpheus" kingdom="Animalia" order="Decapoda" pageId="7" pageNumber="580" phylum="Arthropoda" rank="species" species="mexicanus">
<emphasis id="B918EAE7FFDDFF86FF66CD8971EFF980" box="[151,388,1520,1542]" italics="true" pageId="7" pageNumber="580">Leptalpheus mexicanus</emphasis>
Ríos &amp; Carvacho, 1983
</taxonomicName>
(E–F, CNCR-2506); E, female holotype, anterior part of carapace, lateral view; F, male allotype, anterior part of carapace, lateral view. Scale bars = 1 mm.
</paragraph>
</caption>
<subSubSection id="C376657EFFDDFF89FF36CE3574E8FC93" lastPageId="8" lastPageNumber="581" pageId="7" pageNumber="580" type="discussion">
<paragraph id="8BD336F5FFDDFF89FF36CE35734DFE2B" blockId="7.[151,1436,1612,2033]" lastBlockId="8.[151,1437,151,789]" lastPageId="8" lastPageNumber="581" pageId="7" pageNumber="580">
<emphasis id="B918EAE7FFDDFF86FF36CE357150F9E3" bold="true" box="[199,315,1612,1637]" pageId="7" pageNumber="580">Remarks.</emphasis>
According to
<bibRefCitation id="EFFD4B04FFDDFF86FE14CE3572EAF9E3" author="Anker" box="[485,641,1612,1637]" pageId="7" pageNumber="580" refString="Anker, A. (2011) 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). Zootaxa, 3041, 1 - 38." type="journal article" year="2011">Anker (2011)</bibRefCitation>
,
<taxonomicName id="4C6C4D76FFDDFF86FD61CE3473F2F9E2" box="[656,921,1613,1637]" class="Malacostraca" family="Alpheidae" genus="Leptalpheus" kingdom="Animalia" order="Decapoda" pageId="7" pageNumber="580" phylum="Arthropoda" rank="species" species="mexicanus">
<emphasis id="B918EAE7FFDDFF86FD61CE3473F2F9E2" box="[656,921,1613,1637]" italics="true" pageId="7" pageNumber="580">Leptalpheus mexicanus</emphasis>
</taxonomicName>
and
<taxonomicName id="4C6C4D76FFDDFF86FC27CE347406F9E3" box="[982,1133,1613,1637]" class="Malacostraca" family="Alpheidae" genus="Leptalpheus" kingdom="Animalia" order="Decapoda" pageId="7" pageNumber="580" phylum="Arthropoda" rank="species" species="bicristatus">
<emphasis id="B918EAE7FFDDFF86FC27CE347406F9E3" box="[982,1133,1613,1637]" italics="true" pageId="7" pageNumber="580">L. bicristatus</emphasis>
</taxonomicName>
are very similar, the later being distinguished from the former mainly by the presence of a small crest on the carapace above each eye, and the shape of the lateral lobe of the uropodal protopod. Although of small size, these crests are very conspicuous in
<taxonomicName id="4C6C4D76FFDDFF86FF66CEC07140F956" box="[151,299,1720,1744]" class="Malacostraca" family="Alpheidae" genus="Leptalpheus" kingdom="Animalia" order="Decapoda" pageId="7" pageNumber="580" phylum="Arthropoda" rank="species" species="bicristatus">
<emphasis id="B918EAE7FFDDFF86FF66CEC07140F956" box="[151,299,1720,1744]" italics="true" pageId="7" pageNumber="580">L. bicristatus</emphasis>
</taxonomicName>
, particularly in lateral view (see
<bibRefCitation id="EFFD4B04FFDDFF86FD53CEC17340F957" author="Anker" box="[674,811,1720,1745]" pageId="7" pageNumber="580" refString="Anker, A. (2011) 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). Zootaxa, 3041, 1 - 38." type="journal article" year="2011">Anker 2011</bibRefCitation>
: Fig. 15A, B). A topotypical specimen of
<taxonomicName id="4C6C4D76FFDDFF86FAF6CEC075F7F956" box="[1287,1436,1721,1744]" class="Malacostraca" family="Alpheidae" genus="Leptalpheus" kingdom="Animalia" order="Decapoda" pageId="7" pageNumber="580" phylum="Arthropoda" rank="species" species="mexicanus">
<emphasis id="B918EAE7FFDDFF86FAF6CEC075F7F956" box="[1287,1436,1721,1744]" italics="true" pageId="7" pageNumber="580">L. mexicanus</emphasis>
</taxonomicName>
deposited in the Muséum National d'Histoire Naturelle, Paris,
<collectingCountry id="F37B7665FFDDFF86FC82CEA473D4F972" box="[883,959,1757,1780]" name="France" pageId="7" pageNumber="580">France</collectingCountry>
(MNHN Na13624), examined by
<bibRefCitation id="EFFD4B04FFDDFF86FAA7CEA57165F89F" author="Anker" pageId="7" pageNumber="580" refString="Anker, A. (2011) 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). Zootaxa, 3041, 1 - 38." type="journal article" year="2011">Anker (2011: 22)</bibRefCitation>
apparently did not have these crests. The
<typeStatus id="54D78857FFDDFF86FD0ACF797336F89F" box="[763,861,1792,1817]" pageId="7" pageNumber="580" type="holotype">holotype</typeStatus>
(female) and the allotype (male) of
<taxonomicName id="4C6C4D76FFDDFF86FAF4CF7875F7F89E" box="[1285,1436,1793,1816]" class="Malacostraca" family="Alpheidae" genus="Leptalpheus" kingdom="Animalia" order="Decapoda" pageId="7" pageNumber="580" phylum="Arthropoda" rank="species" species="mexicanus">
<emphasis id="B918EAE7FFDDFF86FAF4CF7875F7F89E" box="[1285,1436,1793,1816]" italics="true" pageId="7" pageNumber="580">L. mexicanus</emphasis>
</taxonomicName>
were originally deposited at the Colección Nacional de Crustáceos (CNCR), in
<collectingCountry id="F37B7665FFDDFF86FBEECF5D741FF8BB" box="[1055,1140,1828,1853]" name="Mexico" pageId="7" pageNumber="580">Mexico</collectingCountry>
D.F., but are currently on loan to Darryl L. Felder of the University of Louisiana. On our request, D. L. Felder revised the two
<typeStatus id="54D78857FFDDFF86FA9DCF3075F7F8E7" box="[1388,1436,1865,1889]" pageId="7" pageNumber="580">type</typeStatus>
specimens and provided illustrations of the lateral view of the frontal area of the carapace (
<figureCitation id="13572A70FFDDFF86FB37CF157567F803" box="[1222,1292,1900,1925]" captionStart="FIGURE 6" captionStartId="7.[151,250,1459,1481]" captionTargetBox="[200,1361,535,1446]" captionTargetId="figure@7.[197,1364,531,1446]" captionTargetPageId="7" captionText="FIGURE 6. Leptalpheus mexicanus Ríos &amp; Carvacho, 1983, female (A – D, EMU- 8784). A, anterior part of carapace and appendages, dorsal view; B, anterior part of carapace, lateral view; C, major cheliped, lateral view; D, right uropod and telson. Leptalpheus mexicanus Ríos &amp; Carvacho, 1983 (E – F, CNCR- 2506); E, female holotype, anterior part of carapace, lateral view; F, male allotype, anterior part of carapace, lateral view. Scale bars = 1 mm." httpUri="https://zenodo.org/record/231609/files/figure.png" pageId="7" pageNumber="580">Fig. 6</figureCitation>
E, F). These figures show that both
<typeStatus id="54D78857FFDDFF86FE68CFE871A2F82F" box="[409,457,1937,1961]" pageId="7" pageNumber="580">type</typeStatus>
specimens of
<taxonomicName id="4C6C4D76FFDDFF86FD9ACFE87294F82E" box="[619,767,1937,1960]" class="Malacostraca" family="Alpheidae" genus="Leptalpheus" kingdom="Animalia" order="Decapoda" pageId="7" pageNumber="580" phylum="Arthropoda" rank="species" species="mexicanus">
<emphasis id="B918EAE7FFDDFF86FD9ACFE87294F82E" box="[619,767,1937,1960]" italics="true" pageId="7" pageNumber="580">L. mexicanus</emphasis>
</taxonomicName>
possess a very low crest above each eye, a character which was not mentioned nor illustrated by
<bibRefCitation id="EFFD4B04FFDDFF86FDB3CFCC7331F84B" author="Rios" box="[578,858,1972,1997]" pageId="7" pageNumber="580" 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. http: // dx. doi. org / 10.2307 / 1548265" type="journal article" year="1983">Ríos &amp; Carvacho (1983)</bibRefCitation>
in their original description of the species.
<bibRefCitation id="EFFD4B04FFDDFF86FABFCFCC708AF877" author="Ramos" pageId="7" pageNumber="580" 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. Universidad EAFIT y Universidad del Valle, Colombia, pp. 127 - 153." type="book chapter" year="1995">Ramos (1995)</bibRefCitation>
reported
<taxonomicName id="4C6C4D76FFDDFF86FEBCCFA0718AF876" box="[333,481,2009,2032]" class="Malacostraca" family="Alpheidae" genus="Leptalpheus" kingdom="Animalia" order="Decapoda" pageId="7" pageNumber="580" phylum="Arthropoda" rank="species" species="mexicanus">
<emphasis id="B918EAE7FFDDFF86FEBCCFA0718AF876" box="[333,481,2009,2032]" italics="true" pageId="7" pageNumber="580">L. mexicanus</emphasis>
</taxonomicName>
from
<collectingCountry id="F37B7665FFDDFF86FDD7CFA172FCF877" box="[550,663,2008,2033]" name="Colombia" pageId="7" pageNumber="580">Colombia</collectingCountry>
, not illustrating these crests in his material (see
<bibRefCitation id="EFFD4B04FFDDFF86FB42CFA0752FF877" author="Ramos" box="[1203,1348,2008,2033]" pageId="7" pageNumber="580" 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. Universidad EAFIT y Universidad del Valle, Colombia, pp. 127 - 153." type="book chapter" year="1995">Ramos 1995</bibRefCitation>
: fig. 1); however, his drawings are rather diagrammatic and may not be accurate. Nevertheless, the presence or absence of the carapacial crests above the eyes can no longer be used as a distinctive character between
<taxonomicName id="4C6C4D76FFD2FF89FB49C8C47527FF52" box="[1208,1356,189,212]" class="Malacostraca" family="Alpheidae" genus="Leptalpheus" kingdom="Animalia" order="Decapoda" pageId="8" pageNumber="581" phylum="Arthropoda" rank="species" species="mexicanus">
<emphasis id="B918EAE7FFD2FF89FB49C8C47527FF52" box="[1208,1356,189,212]" italics="true" pageId="8" pageNumber="581">L. mexicanus</emphasis>
</taxonomicName>
and
<taxonomicName id="4C6C4D76FFD2FF89FA74C8C47166FF7E" class="Malacostraca" family="Alpheidae" genus="Leptalpheus" kingdom="Animalia" order="Decapoda" pageId="8" pageNumber="581" phylum="Arthropoda" rank="species" species="bicristatus">
<emphasis id="B918EAE7FFD2FF89FA74C8C47166FF7E" italics="true" pageId="8" pageNumber="581">L. bicristatus</emphasis>
</taxonomicName>
. Unfortunately, the other two
<typeStatus id="54D78857FFD2FF89FD94C89972BBFF7E" box="[613,720,224,248]" pageId="8" pageNumber="581" type="paratype">paratypes</typeStatus>
of
<taxonomicName id="4C6C4D76FFD2FF89FD06C89873E7FF71" box="[759,908,224,248]" class="Malacostraca" family="Alpheidae" genus="Leptalpheus" kingdom="Animalia" order="Decapoda" pageId="8" pageNumber="581" phylum="Arthropoda" rank="species" species="mexicanus">
<emphasis id="B918EAE7FFD2FF89FD06C89873E7FF71" box="[759,908,224,248]" italics="true" pageId="8" pageNumber="581">L. mexicanus</emphasis>
</taxonomicName>
, deposited at the CICESE, Ensenada,
<collectingCountry id="F37B7665FFD2FF89FACEC8A675FCFF7E" box="[1343,1431,223,248]" name="Mexico" pageId="8" pageNumber="581">Mexico</collectingCountry>
, are no longer available. The other important characters in distinguishing
<taxonomicName id="4C6C4D76FFD2FF89FC24C97C7401FE9A" box="[981,1130,261,284]" class="Malacostraca" family="Alpheidae" genus="Leptalpheus" kingdom="Animalia" order="Decapoda" pageId="8" pageNumber="581" phylum="Arthropoda" rank="species" species="mexicanus">
<emphasis id="B918EAE7FFD2FF89FC24C97C7401FE9A" box="[981,1130,261,284]" italics="true" pageId="8" pageNumber="581">L. mexicanus</emphasis>
</taxonomicName>
from
<taxonomicName id="4C6C4D76FFD2FF89FB40C97C752DFE9A" box="[1201,1350,260,284]" class="Malacostraca" family="Alpheidae" genus="Leptalpheus" kingdom="Animalia" order="Decapoda" pageId="8" pageNumber="581" phylum="Arthropoda" rank="species" species="bicristatus">
<emphasis id="B918EAE7FFD2FF89FB40C97C752DFE9A" box="[1201,1350,260,284]" italics="true" pageId="8" pageNumber="581">L. bicristatus</emphasis>
</taxonomicName>
are the size and shape of the marginal tooth of the uropodal protopod. The material of
<taxonomicName id="4C6C4D76FFD2FF89FBE5C95074C3FEB9" box="[1044,1192,296,320]" class="Malacostraca" family="Alpheidae" genus="Leptalpheus" kingdom="Animalia" order="Decapoda" pageId="8" pageNumber="581" phylum="Arthropoda" rank="species" species="mexicanus">
<emphasis id="B918EAE7FFD2FF89FBE5C95074C3FEB9" box="[1044,1192,296,320]" italics="true" pageId="8" pageNumber="581">L. mexicanus</emphasis>
</taxonomicName>
from Estero de Urías (EMU-8784) features two short teeth separated by a shallow concavity (
<figureCitation id="13572A70FFD2FF89FBF1C9357421FEE3" box="[1024,1098,332,357]" captionStart="FIGURE 6" captionStartId="7.[151,250,1459,1481]" captionTargetBox="[200,1361,535,1446]" captionTargetId="figure@7.[197,1364,531,1446]" captionTargetPageId="7" captionText="FIGURE 6. Leptalpheus mexicanus Ríos &amp; Carvacho, 1983, female (A – D, EMU- 8784). A, anterior part of carapace and appendages, dorsal view; B, anterior part of carapace, lateral view; C, major cheliped, lateral view; D, right uropod and telson. Leptalpheus mexicanus Ríos &amp; Carvacho, 1983 (E – F, CNCR- 2506); E, female holotype, anterior part of carapace, lateral view; F, male allotype, anterior part of carapace, lateral view. Scale bars = 1 mm." httpUri="https://zenodo.org/record/231609/files/figure.png" pageId="8" pageNumber="581">Fig. 6</figureCitation>
D), much similar to what is illustrated by
<bibRefCitation id="EFFD4B04FFD2FF89FEC5C91671A7FE0E" author="Anker" box="[308,460,367,392]" pageId="8" pageNumber="581" refString="Anker, A. (2011) 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). Zootaxa, 3041, 1 - 38." type="journal article" year="2011">Anker (2011)</bibRefCitation>
for
<taxonomicName id="4C6C4D76FFD2FF89FE0FC90872F8FE0E" box="[510,659,368,392]" class="Malacostraca" family="Alpheidae" genus="Leptalpheus" kingdom="Animalia" order="Decapoda" pageId="8" pageNumber="581" phylum="Arthropoda" rank="species" species="bicristatus">
<emphasis id="B918EAE7FFD2FF89FE0FC90872F8FE0E" box="[510,659,368,392]" italics="true" pageId="8" pageNumber="581">L. bicristatus</emphasis>
</taxonomicName>
. Consequently, both characters cited hereabove should no longer be considered valid for separating one species from the other.
</paragraph>
<paragraph id="8BD336F5FFD2FF89FF36C9CE74E8FC93" blockId="8.[151,1437,151,789]" pageId="8" pageNumber="581">
<bibRefCitation id="EFFD4B04FFD2FF89FF36C9CE7135FE56" author="Anker" box="[199,350,439,464]" pageId="8" pageNumber="581" refString="Anker, A. (2011) 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). Zootaxa, 3041, 1 - 38." type="journal article" year="2011">Anker (2011)</bibRefCitation>
mentioned other morphological differences between
<taxonomicName id="4C6C4D76FFD2FF89FC4BC9C07424FE56" box="[954,1103,440,464]" class="Malacostraca" family="Alpheidae" genus="Leptalpheus" kingdom="Animalia" order="Decapoda" pageId="8" pageNumber="581" phylum="Arthropoda" rank="species" species="bicristatus">
<emphasis id="B918EAE7FFD2FF89FC4BC9C07424FE56" box="[954,1103,440,464]" italics="true" pageId="8" pageNumber="581">L. bicristatus</emphasis>
</taxonomicName>
and
<taxonomicName id="4C6C4D76FFD2FF89FB76C9C07577FE49" box="[1159,1308,440,464]" class="Malacostraca" family="Alpheidae" genus="Leptalpheus" kingdom="Animalia" order="Decapoda" pageId="8" pageNumber="581" phylum="Arthropoda" rank="species" species="mexicanus">
<emphasis id="B918EAE7FFD2FF89FB76C9C07577FE49" box="[1159,1308,440,464]" italics="true" pageId="8" pageNumber="581">L. mexicanus</emphasis>
</taxonomicName>
based on a comparison between his single specimen, a male of
<quantity id="4C949B10FFD2FF89FD01C9A57323FE72" box="[752,840,476,501]" metricMagnitude="-3" metricUnit="m" metricValue="4.6" pageId="8" pageNumber="581" unit="mm" value="4.6">4.6 mm</quantity>
CL from Chame Bay,
<collectingCountry id="F37B7665FFD2FF89FBA3C9A474C5FE72" box="[1106,1198,477,500]" name="Panama" pageId="8" pageNumber="581">Panama</collectingCountry>
, and the illustrations provided by
<bibRefCitation id="EFFD4B04FFD2FF89FEDACA797234FD9E" author="Rios" box="[299,607,511,536]" pageId="8" pageNumber="581" 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. http: // dx. doi. org / 10.2307 / 1548265" type="journal article" year="1983">Ríos and Carvacho (1983)</bibRefCitation>
. He noted that the major cheliped of
<taxonomicName id="4C6C4D76FFD2FF89FBE7CA7874C6FD9E" box="[1046,1197,512,536]" class="Malacostraca" family="Alpheidae" genus="Leptalpheus" kingdom="Animalia" order="Decapoda" pageId="8" pageNumber="581" phylum="Arthropoda" rank="species" species="bicristatus">
<emphasis id="B918EAE7FFD2FF89FBE7CA7874C6FD9E" box="[1046,1197,512,536]" italics="true" pageId="8" pageNumber="581">L. bicristatus</emphasis>
</taxonomicName>
is stouter than in
<taxonomicName id="4C6C4D76FFD2FF89FA74CA787166FDBA" class="Malacostraca" family="Alpheidae" genus="Leptalpheus" kingdom="Animalia" order="Decapoda" pageId="8" pageNumber="581" phylum="Arthropoda" rank="species" species="mexicanus">
<emphasis id="B918EAE7FFD2FF89FA74CA787166FDBA" italics="true" pageId="8" pageNumber="581">L. mexicanus</emphasis>
</taxonomicName>
, the anterior margin of the antennal scaphocerite of
<taxonomicName id="4C6C4D76FFD2FF89FC95CA5C7392FDBA" box="[868,1017,548,572]" class="Malacostraca" family="Alpheidae" genus="Leptalpheus" kingdom="Animalia" order="Decapoda" pageId="8" pageNumber="581" phylum="Arthropoda" rank="species" species="bicristatus">
<emphasis id="B918EAE7FFD2FF89FC95CA5C7392FDBA" box="[868,1017,548,572]" italics="true" pageId="8" pageNumber="581">L. bicristatus</emphasis>
</taxonomicName>
is less convex than in
<taxonomicName id="4C6C4D76FFD2FF89FAF1CA5C75FEFDBA" box="[1280,1429,549,572]" class="Malacostraca" family="Alpheidae" genus="Leptalpheus" kingdom="Animalia" order="Decapoda" pageId="8" pageNumber="581" phylum="Arthropoda" rank="species" species="mexicanus">
<emphasis id="B918EAE7FFD2FF89FAF1CA5C75FEFDBA" box="[1280,1429,549,572]" italics="true" pageId="8" pageNumber="581">L. mexicanus</emphasis>
</taxonomicName>
, the first carpal article of the second pereiopod is relatively longer in
<taxonomicName id="4C6C4D76FFD2FF89FC5CCA307429FDE6" box="[941,1090,584,608]" class="Malacostraca" family="Alpheidae" genus="Leptalpheus" kingdom="Animalia" order="Decapoda" pageId="8" pageNumber="581" phylum="Arthropoda" rank="species" species="bicristatus">
<emphasis id="B918EAE7FFD2FF89FC5CCA307429FDE6" box="[941,1090,584,608]" italics="true" pageId="8" pageNumber="581">L. bicristatus</emphasis>
</taxonomicName>
, and that the two species also differ in the shape of the lateral tooth of the protopod (cf.
<bibRefCitation id="EFFD4B04FFD2FF89FCEACA15744BFD02" author="Rios" box="[795,1056,620,645]" pageId="8" pageNumber="581" 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. http: // dx. doi. org / 10.2307 / 1548265" type="journal article" year="1983">Ríos &amp; Carvacho 1983</bibRefCitation>
: fig. 1e and
<bibRefCitation id="EFFD4B04FFD2FF89FB59CA157544FD02" author="Anker" box="[1192,1327,620,645]" pageId="8" pageNumber="581" refString="Anker, A. (2011) 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). Zootaxa, 3041, 1 - 38." type="journal article" year="2011">Anker 2011</bibRefCitation>
: fig.
<date id="FFD21035FFD2FF89FA97CA1575E4FD03" box="[1382,1423,620,645]" pageId="8" pageNumber="581" value="1915-01">15I</date>
). We consider, however, that these characters are very relative and might reflect an intraspecic variation. We are reluctent to include
<taxonomicName id="4C6C4D76FFD2FF89FE87CACC7262FD4A" box="[374,521,692,716]" class="Malacostraca" family="Alpheidae" genus="Leptalpheus" kingdom="Animalia" order="Decapoda" pageId="8" pageNumber="581" phylum="Arthropoda" rank="species" species="bicristatus">
<emphasis id="B918EAE7FFD2FF89FE87CACC7262FD4A" box="[374,521,692,716]" italics="true" pageId="8" pageNumber="581">L. bicristatus</emphasis>
</taxonomicName>
in the synonymy of
<taxonomicName id="4C6C4D76FFD2FF89FD01CACC73E8FD4A" box="[752,899,693,716]" class="Malacostraca" family="Alpheidae" genus="Leptalpheus" kingdom="Animalia" order="Decapoda" pageId="8" pageNumber="581" phylum="Arthropoda" rank="species" species="mexicanus">
<emphasis id="B918EAE7FFD2FF89FD01CACC73E8FD4A" box="[752,899,693,716]" italics="true" pageId="8" pageNumber="581">L. mexicanus</emphasis>
</taxonomicName>
and, as pointed out by
<bibRefCitation id="EFFD4B04FFD2FF89FB76CACD754AFD4A" author="Anker" box="[1159,1313,692,717]" pageId="8" pageNumber="581" refString="Anker, A. (2011) 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). Zootaxa, 3041, 1 - 38." type="journal article" year="2011">Anker (2011)</bibRefCitation>
, additional material of both nominal species should be collected from the
<typeStatus id="54D78857FFD2FF89FC96CAA173FCFD76" box="[871,919,728,752]" pageId="8" pageNumber="581">type</typeStatus>
localities and within their distribution range, and carefully examined. Additionally, a molecular comparison would be highly desirable.
</paragraph>
</subSubSection>
</treatment>
</document>
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