599 lines
82 KiB
XML
599 lines
82 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.183.3073" ID-GBIF-Dataset="b4f80486-093e-4ba6-81fc-78aa1a0e4eec" ID-PMC="PMC3332024" ID-Pensoft-Pub="1313-2970-183-1" ID-PubMed="22573945" ModsDocAuthor="" ModsDocDate="2012" ModsDocID="1313-2970-183-1" ModsDocOrigin="ZooKeys 183" ModsDocTitle="Description of Alpheus cedrici sp. n., a strikingly coloured snapping shrimp (Crustacea, Decapoda, Alpheidae) from Ascension Island, central Atlantic Ocean" checkinTime="1451249143644" checkinUser="pensoft" docAuthor="Anker, Arthur & Grave, Sammy De" docDate="2012" docId="78C10D776DB595EFCE1056E798503FAD" docLanguage="en" docName="ZooKeys 183: 1-15" docOrigin="ZooKeys 183" docSource="http://dx.doi.org/10.3897/zookeys.183.3073" docTitle="Alpheus cedrici Anker & Grave, 2012, sp. n." docType="treatment" docVersion="4" lastPageNumber="9" masterDocId="5231DB20FF9FFFADFF9FDE5AFF9AFF94" masterDocTitle="Description of Alpheus cedrici sp. n., a strikingly coloured snapping shrimp (Crustacea, Decapoda, Alpheidae) from Ascension Island, central Atlantic Ocean" masterLastPageNumber="15" masterPageNumber="1" pageNumber="2" updateTime="1668153646573" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>Description of Alpheus cedrici sp. n., a strikingly coloured snapping shrimp (Crustacea, Decapoda, Alpheidae) from Ascension Island, central Atlantic Ocean</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Anker, Arthur</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Grave, Sammy De</mods:namePart>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>ZooKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2012</mods:date>
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<mods:detail type="volume">
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<mods:number>183</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>1</mods:start>
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<mods:end>15</mods:end>
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</mods:extent>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/zookeys.183.3073</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.183.3073</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-183-1</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="152034648" LSID="urn:lsid:zoobank.org:act:7887B4BB-52D9-4329-A8BC-F32D8FA19FFC" httpUri="http://treatment.plazi.org/id/78C10D776DB595EFCE1056E798503FAD" lastPageId="8" lastPageNumber="9" pageId="1" pageNumber="2">
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<subSubSection pageId="1" pageNumber="2" type="nomenclature">
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<paragraph pageId="1" pageNumber="2">
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<taxonomicName LSID="urn:lsid:zoobank.org:act:7887B4BB-52D9-4329-A8BC-F32D8FA19FFC" class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus cedrici" order="Decapoda" pageId="1" pageNumber="2" phylum="Arthropoda" rank="species" species="cedrici">Alpheus cedrici</taxonomicName>
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<taxonomicNameLabel pageId="1" pageNumber="2">sp. n.</taxonomicNameLabel>
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Figs 13
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</paragraph>
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</subSubSection>
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<subSubSection pageId="1" pageNumber="2" type="material examined">
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<paragraph pageId="1" pageNumber="2">Material examined.</paragraph>
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<paragraph pageId="1" pageNumber="2">
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Holotype: male, cl 10.1 mm, OUMNH.ZC.2008-11-0017, Ascension Island, west side of English Bay,
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<geoCoordinate direction="south" orientation="latitude" precision="1" value="-7.894583">07°53.675'S</geoCoordinate>
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,
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<geoCoordinate direction="west" orientation="longitude" precision="1" value="-14.383317">014°22.999'W</geoCoordinate>
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, depth 10 m, under rocks, leg S. & H. De Grave, 16.04.2008. Paratype: ovigerous female, cl 11.8 mm, OUMNH.ZC.2008-11-0018, Ascension Island, west side of English Bay,
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<geoCoordinate direction="south" orientation="latitude" precision="1" value="-7.894583">07°53.675'S</geoCoordinate>
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<geoCoordinate direction="west" orientation="longitude" precision="1" value="-14.383317">014°22.999'W</geoCoordinate>
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, depth 15 m, under rocks, leg. S. & H. De Grave, 17.04.2008.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="1" pageNumber="2" type="comparative material examined">
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<paragraph pageId="1" pageNumber="2">Comparative material examined.</paragraph>
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<paragraph pageId="1" pageNumber="2">
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<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus macrocheles" order="Decapoda" pageId="1" pageNumber="2" phylum="Arthropoda" rank="species" species="macrocheles">Alpheus macrocheles</taxonomicName>
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(Hailstone, 1835): 1 male, cl 9.0 mm, OUMNH.ZC.2003-36-0002, Madeira, Canico, depth 20 m, leg. P. Wirtz, 02.11.2003.
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<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus amblyonyx" order="Decapoda" pageId="1" pageNumber="2" phylum="Arthropoda" rank="species" species="amblyonyx">Alpheus amblyonyx</taxonomicName>
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Chace, 1972: 1 male, cl 5.6 mm, OUMNH.ZC.2011-03-0070, Panama, Isla Grande, in coral rubble, 1-1.5 m, leg. A. Anker, 09.12.2006.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="2" pageNumber="3" type="diagnosis">
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<paragraph pageId="2" pageNumber="3">
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<pageBreakToken pageId="2" pageNumber="3" start="start">Diagnosis</pageBreakToken>
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.
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</paragraph>
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<paragraph pageId="2" pageNumber="3">
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Frontal margin of carapace with rostrum slightly flattened dorsally, tapering distally, with acute tip, much longer than wide, reaching half-length of first article of antennular peduncle; rostral carina not distinct; orbital teeth in marginal position, small, acute distally, shorter than rostrum; margin between orbital teeth and rostrum broadly V-shaped; rostro-orbital process present; pterygostomial angle rounded; antennular peduncle with stylocerite not reaching distal margin of first article, with acute tip; second article about 2.5 times as long as wide; antenna with basicerite terminating in sharp distoventral tooth; carpocerite slightly exceeding both scaphocerite and antennular peduncle; scaphocerite with well-developed blade, shallowly concave lateral margin and large, stout distolateral tooth, latter reaching far beyond distal margin of blade; male minor cheliped with ventromesial margin of merus ending in small, acute distomesial tooth, and with minute spiniform setae; palm strongly compressed, with sculpture on both lateral and mesial surfaces, consisting of low crests ending in sharp teeth distally; lateroventral surface with distinct, rounded shoulder; pollex shallowly excavated on cutting edge; dactylus somewhat flattened and twisted laterally, not conspicuously broadened, only slightly convex dorsally; male and female major chelipeds similar in shape and in proportions; ventromesial surface of ischium with small spiniform seta; ventromesial margin of merus straight, ending in stout, sharp distomesial tooth, and with small, widely spaced spiniform setae; palm somewhat compressed, with strong sculpture on lateral and mesial surfaces, consisting of low crests ending in sharp teeth distally; lateroventral surface with rounded, smooth, non-projecting shoulder adjacent to deep notch, latter continuing transversely to shallow groove on mesial surface; dorsal margin with subcylindrical elevation ending in large adhesive disk distally; distomesial surface with transversally deeply notched crest ending in sharp tooth; pollex shorter than dactylus, somewhat twisted and shallowly depressed laterally, cutting edge bluntly projecting laterally; dactylus flattened, twisted laterally, convex dorsally, bulbous distally, plunger reduced to broad, low tooth; second pereiopod with five-articulated carpus, ratio of articles approximately equal to 4: 2: 1: 1.5: 2; third and fourth pereiopods similar; ischium armed with spiniform seta on ventrolateral surface; merus about five times as long as wide, without distoventral tooth; propodus with about eight spiniform setae along ventral margin and additional pair of spiniform setae close to propodo-dactylar articulation; dactylus about 0.4 length of propodus, simple, conical, faintly curved, with acute tip; pleopods with protopods furnished with spiniform setae on lateral margin, some inserted in pairs; male second pleopod with appendix masculina subequal in length to appendix interna, not reaching distal margin of endopod; uropodal exopod with sinuous diaeresis and small distolateral spiniform seta; uropodal endopod with row of small spiniform setae along distolateral margin; telson subrectangular, tapering posteriorly, about twice as long as wide at base; dorsal surface with two pairs of strong spiniform setae, first pair anterior to telson mid-length, second pair at about 0.7 telson length; posterior margin broadly convex, with two pairs of posterolateral spiniform setae, mesial about twice as long as lateral; anal tubercles well developed;
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<normalizedToken originalValue="gill–exopod">gill-exopod</normalizedToken>
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formula typical for genus.
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</paragraph>
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<caption pageId="2" pageNumber="3">
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<paragraph pageId="2" pageNumber="3">
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Figure 1.
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<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus cedrici" order="Decapoda" pageId="2" pageNumber="3" phylum="Arthropoda" rank="species" species="cedrici">Alpheus cedrici</taxonomicName>
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sp. n.
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<normalizedToken originalValue="A–M">A-M</normalizedToken>
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holotype, male from Ascension Island (OUMNH.ZC. 2008-11-0017); N paratype, female, same locality (OUMNH.ZC. 2008-11-0018). A frontal region, dorsal B anterior carapace, lateral C tooth of ventromesial carina of first article of antennular peduncle, lateral D third maxilliped, lateral E second pereiopod, lateral F third pereiopod, lateral G fifth pereiopod, lateral H second pleopod, lateral I same, appendix masculina and appendix interna, mesial J same, detail of spiniform setae on protopod, lateral K third pleopod, detail of spiniform setae on protopod, mesial L uropod, dorsal M telson, dorsal N anterior carapace, dorsal.
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</paragraph>
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</caption>
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<caption pageId="2" pageNumber="3">
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<paragraph pageId="2" pageNumber="3">
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Figure 2.
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<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus cedrici" order="Decapoda" pageId="2" pageNumber="3" phylum="Arthropoda" rank="species" species="cedrici">Alpheus cedrici</taxonomicName>
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sp. n. Holotype, male from Ascension Island (OUMNH.ZC. 2008-11-0017). A minor (right) cheliped, lateral B minor (right) chela and carpus, mesial C same, distal palm and fingers, lateral, setae omitted D major (left) cheliped, lateral E major (right) cheliped, mesial F same, distal palm and fingers, lateral, setae omitted.
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</paragraph>
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</caption>
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<caption pageId="2" pageNumber="3">
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<paragraph pageId="2" pageNumber="3">
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Figure 3.
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<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus cedrici" order="Decapoda" pageId="2" pageNumber="3" phylum="Arthropoda" rank="species" species="cedrici">Alpheus cedrici</taxonomicName>
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sp. n. Holotype, male from Ascension Island (OUMNH.ZC. 2008-11-0017). A dorsal view B lateral view (photographs by S. De Grave).
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection lastPageId="5" lastPageNumber="6" pageId="2" pageNumber="3" type="description">
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<paragraph pageId="2" pageNumber="3">Description.</paragraph>
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<paragraph lastPageId="3" lastPageNumber="4" pageId="2" pageNumber="3">
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Body stout, laterally not compressed. Carapace glabrous; frontal margin with well-developed rostrum and orbital teeth; rostrum slightly flattened dorsally, tapering distally, with acute tip, much longer than wide; lateral margins without setae; tip reaching half-length of first article of antennular peduncle; rostral carina not distinct; orbital teeth in marginal position, relatively small, acute distally, shorter than rostrum (note: right orbital hood atypical, i.e. without tooth in male); margin between orbital teeth and rostrum broadly V-shaped; orbital hoods moderately swollen, enclo
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<pageBreakToken pageId="3" pageNumber="4" start="start">sing</pageBreakToken>
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eyes from all sides (Fig. 1A, B); rostro-orbital process present. Pterygostomial angle rounded, not protruding anteriorly (Fig. 1B); cardiac notch deep. Abdominal somites with posteroventral margins broadly rounded, fifth slightly more angular; sixth somite without articulated flap, bluntly projecting posteriorly.
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</paragraph>
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<paragraph pageId="3" pageNumber="4">Eyes with well-developed corneas; anteromesial margin bluntly protruding. Ocellar beak projecting, acute, visible in lateral view. Epistomial sclerites not acutely projecting.</paragraph>
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<paragraph pageId="3" pageNumber="4">Antennule with moderately slender peduncle; stylocerite not reaching distal margin of first article, with acute tip; ventromesial carina with large, subtriangular tooth as illustrated (Fig. 1C); second article much longer than dorsally visible portion of first article, about 2.5 times as long as wide (Fig. 1A); lateral flagellum with groups of aesthetascs starting from 12th article. Antenna with basicerite terminating in sharp distoventral tooth; carpocerite slightly exceeding both scaphocerite and antennular peduncle; scaphocerite with shallowly concave lateral margin and large, stout distolateral tooth, latter reaching far beyond distal margin of blade (Fig. 1A).</paragraph>
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<paragraph pageId="3" pageNumber="4">Mouthparts (not dissected) not specific in external view. Third maxilliped rather slender; coxa with lateral plate somewhat truncate distally; exopod long, overreaching distal margin of antepenultimate article; antepenultimate article somewhat flattened, ventral margin densely setose; penultimate article no more than three times as long as greatest width, distally slightly widening, very setose; ultimate article slender, tapering distally, with rows of serrulate setae and long, simple setae, tip unarmed (Fig. 1D).</paragraph>
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<paragraph pageId="3" pageNumber="4">
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Male minor cheliped with short, stout ischium; merus broad, subtriangular in cross-section; ventrolateral margin smooth; ventromesial margin straight, ending in small, acute distomesial tooth, and with four minute spiniform setae roughly equidistantly spaced along 0.6-0.7 of merus margin, and with tips falling just short of margin (therefore invisible in lateral view); distodorsal angle blunt; carpus rounded, cup-shaped; chela strongly compressed, with palm sculptured distally; lateral surface with low crest starting at about mid-length of palm and ending in a sharp distolateral tooth; ventral margin with blunt, non-protruding shoulder and adjacent deep notch, latter continuing transversely forming a shallow depression on mesial surface; dorsal margin with subcylindrical elevation ending distally in small adhesive disk; distomesial surface with crest ending in stout sharp tooth; fingers as long as palm; pollex shallowly excavated on cutting edge; dactylus somewhat flattened and twisted laterally, slightly convex dorsally, proximally with small adhesive disk (Fig. 2
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<normalizedToken originalValue="A–C">A-C</normalizedToken>
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). Female minor cheliped unknown (missing in the paratype).
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</paragraph>
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<paragraph lastPageId="4" lastPageNumber="5" pageId="3" pageNumber="4">
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Male major cheliped with short, stout ischium, ventromesial surface with small spiniform seta; merus stout, short, broad, subtriangular in cross-section; ventrolateral margin smooth; ventromesial margin straight, ending in stout, sharp distomesial tooth, and with small, widely spaced spiniform setae; dorsal margin ending bluntly distally; carpus very short, cup-shaped; chela somewhat compressed; palm strongly sculptured; lateral surface with low crest starting at about 0.6 length of palm and ending in sharp distolateral tooth; ventral margin with rounded, smooth, non-projecting shoulder adjacent to deep notch, latter continuing transversely to shallow groove on mesial surface; dorsal margin with subcylindrical elevation ending in large adhesive disk dis
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<pageBreakToken pageId="4" pageNumber="5" start="start">tally</pageBreakToken>
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; distomesial surface with transversally deeply notched crest ending in sharp tooth; pollex shorter than dactylus, somewhat twisted and shallowly depressed laterally, cutting edge bluntly projecting laterally; dactylus flattened, twisted laterally, convex dorsally, bulbous distally, plunger reduced to broad, low tooth (Fig. 2
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<normalizedToken originalValue="D–F">D-F</normalizedToken>
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). Female major cheliped generally similar in shape and proportions to male major cheliped.
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</paragraph>
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<paragraph lastPageId="5" lastPageNumber="6" pageId="4" pageNumber="5">
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Second pereiopod elongate, slender; ischium slightly longer than merus; carpus with five articles with ratio approximately equal to 4: 2: 1: 1.5: 2; chela simple, fingers with scarce tufts of setae (Fig. 1E). Third and fourth pereiopods generally similar,
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<pageBreakToken pageId="5" pageNumber="6" start="start">moderately</pageBreakToken>
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slender; third pereiopod with ischium armed with spiniform seta on ventrolateral surface; merus about five times as long as wide, without distoventral tooth; carpus more slender and about half as long as merus; propodus longer than carpus, with eight or so robust spiniform setae along ventral margin and one pair of longer spiniform setae adjacent to dactylus; dactylus about 0.4 length of propodus, simple, conical, faintly curved, with acute tip (Fig. 1F). Fifth pereiopod much more slender than third and fourth pereiopods; merus only slightly longer than carpus; ischium with spiniform seta; propodus with some spiniform setae along ventral margin and well-developed setal brush distolaterally (Fig. 1G).
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</paragraph>
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<paragraph pageId="5" pageNumber="6">Pleopods with protopods furnished with spiniform setae on lateral margin, some inserted in pairs (Fig. 1H, J, K), first pleopod with small endopod furnished with setae, male second pleopod with appendix masculina subequal in length to appendix interna, not reaching distal margin of endopod, furnished with numerous stiff setae (Fig. 1I); female second pleopod with appendix interna only. Uropod with lateral lobe of protopod ending in large, acute tooth; diaeresis sinuous, with blunt tooth adjacent to one (occasionally two) stout distolateral spiniform seta(e); endopod with row of small spiniform setae along distolateral margin (Fig. 1L).</paragraph>
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<paragraph pageId="5" pageNumber="6">Telson subrectangular, tapering towards posterior margin, about twice as long as wide at base; lateral margins slightly convex; dorsal surface with two pairs of strong spiniform setae inserted at some distance from lateral margin, first pair anterior to telson mid-length, second pair at about 0.7 telson length; posterior margin about 0.6 length of anterior margin, broadly convex, with two pairs of posterolateral spiniform setae, mesial about twice as long as lateral (Fig. 1M); anal tubercles well developed.</paragraph>
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<paragraph pageId="5" pageNumber="6">
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<normalizedToken originalValue="Gill–exopod">Gill-exopod</normalizedToken>
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formula typical for
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<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus" order="Decapoda" pageId="5" pageNumber="6" phylum="Arthropoda" rank="genus">Alpheus</taxonomicName>
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: five pleurobranchs (above P1-5), one arthrobranch (Mxp3), two lobe-shaped epipods (Mxp1-2), five mastigobranchs (Mxp3, P1-4), five setobranchs (P1-5); three exopods (Mxp1-3).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="5" pageNumber="6" type="size">
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<paragraph pageId="5" pageNumber="6">Size.</paragraph>
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<paragraph pageId="5" pageNumber="6">
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<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus cedrici" order="Decapoda" pageId="5" pageNumber="6" phylum="Arthropoda" rank="species" species="cedrici">Alpheus cedrici</taxonomicName>
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sp. n. is a medium-sized species of
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<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus" order="Decapoda" pageId="5" pageNumber="6" phylum="Arthropoda" rank="genus">Alpheus</taxonomicName>
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, with 10.1 mm cl for the male, and 11.8 mm for the ovigerous female.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="5" pageNumber="6" type="colour">
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<paragraph pageId="5" pageNumber="6">Colour.</paragraph>
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<paragraph pageId="5" pageNumber="6">
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Body ground colour bright red or
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<normalizedToken originalValue="red–orange">red-orange</normalizedToken>
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; carapace mostly red with transverse white band along posterior margin and several colourless or whitish areas on flanks; abdomen mostly red with transverse, more or less oval-shaped, white bands, latter mainly dorsal and not extending to ventral margins of pleura, additional colourless or whitish patches present near ventral margin of each pleuron; major chelae
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<normalizedToken originalValue="orange–brown">orange-brown</normalizedToken>
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marbled with pale yellow on mesial side, and with a distinct, somewhat zigzag-shaped, transverse, white band on palm, extending ventrally and posteriorly; dactylus pale brown with white tip; minor chela similar to major chela,
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<normalizedToken originalValue="orange–brown">orange-brown</normalizedToken>
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with transverse white bands on palm, a broader, more diffuse distal band, and smaller, well-delimited, V-shaped, proximal band; second to fifth pereiopods pale reddish to yellowish, with white articulations; pleopods red; uropods and telson mostly red except for white uropodal protopods and most proximal portion of telson (Fig. 3).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="5" pageNumber="6" type="etymology">
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<paragraph pageId="5" pageNumber="6">Etymology.</paragraph>
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<paragraph pageId="5" pageNumber="6">
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Named after our friend and colleague, Dr. Cedric
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<normalizedToken originalValue="d’Udekem">d'Udekem</normalizedToken>
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<normalizedToken originalValue="d’Acoz">d'Acoz</normalizedToken>
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, in recognition of his important contribution to the taxonomy of caridean shrimp and other decapods, particularly in the Atlantic Ocean.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="5" pageNumber="6" type="habitat">
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<paragraph pageId="5" pageNumber="6">Habitat.</paragraph>
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<paragraph pageId="5" pageNumber="6">
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Both specimens were collected by lifting large, shallowly buried rocks on a fine sandy substrate at depths between 10 and 15 m, where the marginal boulder talus meets the sand. Other decapods obtained in the same habitat were the alpheids
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<taxonomicName class="Malacostraca" family="Alpheidae" genus="Automate" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Automate" order="Decapoda" pageId="5" pageNumber="6" phylum="Arthropoda" rank="genus">Automate</taxonomicName>
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cf. dolichognatha,
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<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus holthuisi" order="Decapoda" pageId="5" pageNumber="6" phylum="Arthropoda" rank="species" species="holthuisi">Alpheus holthuisi</taxonomicName>
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,
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Metalpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metalpheus paragracilis" order="Decapoda" pageId="5" pageNumber="6" phylum="Arthropoda" rank="species" species="paragracilis">Metalpheus paragracilis</taxonomicName>
|
||
, and the axiid
|
||
<taxonomicName class="Malacostraca" family="Axiidae" genus="Axiopsis" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Axiopsis" order="Decapoda" pageId="5" pageNumber="6" phylum="Arthropoda" rank="genus">Axiopsis</taxonomicName>
|
||
cf. serratifrons (A. Milne-Edwards, 1873).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="5" pageNumber="6" type="type locality">
|
||
<paragraph pageId="5" pageNumber="6">Type locality.</paragraph>
|
||
<paragraph pageId="5" pageNumber="6">English Bay, Ascension Island, central Atlantic Ocean.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="5" pageNumber="6" type="distribution">
|
||
<paragraph pageId="5" pageNumber="6">Distribution.</paragraph>
|
||
<paragraph pageId="5" pageNumber="6">Central Atlantic Ocean: currently known only from the type locality.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection lastPageId="8" lastPageNumber="9" pageId="5" pageNumber="6" type="remarks">
|
||
<paragraph pageId="5" pageNumber="6">Remarks.</paragraph>
|
||
<paragraph pageId="5" pageNumber="6">
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus cedrici" order="Decapoda" pageId="5" pageNumber="6" phylum="Arthropoda" rank="species" species="cedrici">Alpheus cedrici</taxonomicName>
|
||
sp. n. belongs to the monophyletic
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus macrocheles" order="Decapoda" pageId="5" pageNumber="6" phylum="Arthropoda" rank="species" species="macrocheles">Alpheus macrocheles</taxonomicName>
|
||
species group, which is comprised of about 30 species worldwide, all sharing a unique sculpture of the major chela (e.g.
|
||
<bibRefCitation pageId="5" pageNumber="6">
|
||
<normalizedToken originalValue="Coutière">Coutiere</normalizedToken>
|
||
1905
|
||
</bibRefCitation>
|
||
; De
|
||
<bibRefCitation pageId="5" pageNumber="6">Man 1911</bibRefCitation>
|
||
;
|
||
<bibRefCitation author="Crosnier, A" journalOrPublisher="Annales de l'Institut Oceanographique" pageId="8" pageNumber="9" pagination="199 - 314" title="Resultats Scientifiques des Campagnes de la " Calypso ". Fascicule VII. Campagne de la Calypso dans la Golfe de Guinee et aux Iles Principe, Sao Tome et Annobon (1956), et campagne aux Iles du Cap Vert (1959) (suite). 19. Crustaces decapodes: Alpheidae." volume="44" year="1966">Crosnier and Forest 1966</bibRefCitation>
|
||
;
|
||
<bibRefCitation author="Banner, AH" journalOrPublisher="Pacific Science" pageId="8" pageNumber="9" pagination="3 - 147" title="The Crangonidae, or snapping shrimp, of Hawaii." volume="7" year="1953">Banner 1953</bibRefCitation>
|
||
;
|
||
<bibRefCitation author="Banner, DM" journalOrPublisher="Records of the Australian Museum" pageId="8" pageNumber="9" pagination="1 - 357" title=". The alpheid shrimp of Australia. Part III: The remaining alpheids, principally the genus Alpheus and the family Ogyrididae." url="10.3853/j.0067-1975.34.1982.434" volume="34" year="1982">Banner and Banner 1982</bibRefCitation>
|
||
;
|
||
<bibRefCitation author="Kim, W" journalOrPublisher="Smithsonian Contributions to Zoology" pageId="8" pageNumber="9" pagination="1 - 119" title="The snapping shrimp genus Alpheus from the Eastern Pacific (Decapoda: Caridea: Alpheidae)." url="10.5479/si.00810282.454" volume="454" year="1988">Kim and Abele 1988</bibRefCitation>
|
||
). Within the
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus macrocheles" order="Decapoda" pageId="5" pageNumber="6" phylum="Arthropoda" rank="species" species="macrocheles">Alpheus macrocheles</taxonomicName>
|
||
species group,
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus cedrici" order="Decapoda" pageId="5" pageNumber="6" phylum="Arthropoda" rank="species" species="cedrici">Alpheus cedrici</taxonomicName>
|
||
sp. n. belongs to the
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus macrocheles" order="Decapoda" pageId="5" pageNumber="6" phylum="Arthropoda" rank="species" species="macrocheles">Alpheus macrocheles</taxonomicName>
|
||
species complex, characterised by the presence of acuminate orbital teeth on the frontal margin of the carapace; the major cheliped bearing a well-developed ventral notch and a dorsomesial notch or constriction; and the third and fourth pereiopods (P3-4) with unarmed meri and simple or minutely biunguiculate (not conspicuously biunguiculate) dactyli. The majority of species in the
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus macrocheles" order="Decapoda" pageId="5" pageNumber="6" phylum="Arthropoda" rank="species" species="macrocheles">Alpheus macrocheles</taxonomicName>
|
||
complex are found in the Atlantic Ocean:
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus macrocheles" order="Decapoda" pageId="5" pageNumber="6" phylum="Arthropoda" rank="species" species="macrocheles">Alpheus macrocheles</taxonomicName>
|
||
(EA, CA),
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus platydactylus" order="Decapoda" pageId="5" pageNumber="6" phylum="Arthropoda" rank="species" species="platydactylus">Alpheus platydactylus</taxonomicName>
|
||
<normalizedToken originalValue="Coutière">Coutiere</normalizedToken>
|
||
, 1897 (EA),
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus amblyonyx" order="Decapoda" pageId="5" pageNumber="6" phylum="Arthropoda" rank="species" species="amblyonyx">Alpheus amblyonyx</taxonomicName>
|
||
<bibRefCitation author="Chace, FAJr" journalOrPublisher="Smithsonian Contributions to Zoology" pageId="8" pageNumber="9" pagination="1 - 179" title="The shrimps of the Smithsonian-Bredin Caribbean expeditions with a summary of the West Indian shallow-water species (Crustacea: Decapoda: Natantia)." volume="98" year="1972">Chace 1972</bibRefCitation>
|
||
(WA),
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus lentiginosus" order="Decapoda" pageId="5" pageNumber="6" phylum="Arthropoda" rank="species" species="lentiginosus">Alpheus lentiginosus</taxonomicName>
|
||
Anker & Nizinski, 2011 (WA),
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus puapeba" order="Decapoda" pageId="5" pageNumber="6" phylum="Arthropoda" rank="species" species="puapeba">Alpheus puapeba</taxonomicName>
|
||
Christoffersen, 1979 (WA),
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus pouang" order="Decapoda" pageId="5" pageNumber="6" phylum="Arthropoda" rank="species" species="pouang">Alpheus pouang</taxonomicName>
|
||
Christoffersen, 1979 (WA), and
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus cedrici" order="Decapoda" pageId="5" pageNumber="6" phylum="Arthropoda" rank="species" species="cedrici">Alpheus cedrici</taxonomicName>
|
||
sp. n. (CA). Two species are distributed in the eastern Pacific:
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus bellimanus" order="Decapoda" pageId="5" pageNumber="6" phylum="Arthropoda" rank="species" species="bellimanus">Alpheus bellimanus</taxonomicName>
|
||
Lockington, 1877 (EP), and
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus rectus" order="Decapoda" pageId="5" pageNumber="6" phylum="Arthropoda" rank="species" species="rectus">Alpheus rectus</taxonomicName>
|
||
Kim & Abele, 1988 (EP). Finally, only one Indo-West Pacific species presents the above combination of characters:
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus albatrossae" order="Decapoda" pageId="5" pageNumber="6" phylum="Arthropoda" rank="species" species="albatrossae">Alpheus albatrossae</taxonomicName>
|
||
(Banner, 1953). All these species are contrasted and compared with the new species below, in order of geographical proximity.
|
||
</paragraph>
|
||
<paragraph pageId="5" pageNumber="6">
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus macrocheles" order="Decapoda" pageId="5" pageNumber="6" phylum="Arthropoda" rank="species" species="macrocheles">Alpheus macrocheles</taxonomicName>
|
||
is a well-known, mostly shallow-water species (0-50 m, exceptionally to 185 m), ranging in the eastern Atlantic from the British Isles and Mediterranean Sea south to Gabon, and extending to the Central Atlantic islands of Ascension and St. Helena (
|
||
<bibRefCitation author="Holthuis, LB" journalOrPublisher="Atlantide Report" pageId="8" pageNumber="9" pagination="1 - 187" title="The caridean Crustacea of tropical West Africa." volume="2" year="1951">Holthuis 1951</bibRefCitation>
|
||
;
|
||
<bibRefCitation author="Crosnier, A" journalOrPublisher="Annales de l'Institut Oceanographique" pageId="8" pageNumber="9" pagination="199 - 314" title="Resultats Scientifiques des Campagnes de la " Calypso ". Fascicule VII. Campagne de la Calypso dans la Golfe de Guinee et aux Iles Principe, Sao Tome et Annobon (1956), et campagne aux Iles du Cap Vert (1959) (suite). 19. Crustaces decapodes: Alpheidae." volume="44" year="1966">Crosnier and Forest 1966</bibRefCitation>
|
||
;
|
||
<bibRefCitation author="Chace, FAJr" journalOrPublisher="Proceedings of the United States National Museum" pageId="8" pageNumber="9" pagination="622 - 662" title="Decapod crustaceans from St. Helena, South Atlantic." volume="118" year="1966">Chace 1966</bibRefCitation>
|
||
;
|
||
<bibRefCitation author="Manning, RB" journalOrPublisher="Smithsonian Contributions to Zoology" pageId="9" pageNumber="10" pagination="1 - 91" title="Decapod and stomatopod Crustacea from Ascension Island, South Atlantic Ocean." url="10.5479/si.00810282.503" volume="503" year="1990">Manning and Chace 1990</bibRefCitation>
|
||
).
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus cedrici" order="Decapoda" pageId="5" pageNumber="6" phylum="Arthropoda" rank="species" species="cedrici">Alpheus cedrici</taxonomicName>
|
||
sp. n. can be separated from
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus macrocheles" order="Decapoda" pageId="5" pageNumber="6" phylum="Arthropoda" rank="species" species="macrocheles">Alpheus macrocheles</taxonomicName>
|
||
by the presence of a row of spiniform setae on the protopods of the pleopods (absent in
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus macrocheles" order="Decapoda" pageId="5" pageNumber="6" phylum="Arthropoda" rank="species" species="macrocheles">Alpheus macrocheles</taxonomicName>
|
||
); the scaphocerite with a better developed blade (cf. Fig. 1A and
|
||
<bibRefCitation author="Crosnier, A" journalOrPublisher="Annales de l'Institut Oceanographique" pageId="8" pageNumber="9" pagination="199 - 314" title="Resultats Scientifiques des Campagnes de la " Calypso ". Fascicule VII. Campagne de la Calypso dans la Golfe de Guinee et aux Iles Principe, Sao Tome et Annobon (1956), et campagne aux Iles du Cap Vert (1959) (suite). 19. Crustaces decapodes: Alpheidae." volume="44" year="1966">Crosnier and Forest 1966</bibRefCitation>
|
||
, fig. 2a); and the male minor chela being more slender and with the dactylus less expanded and less arched dorsally (cf. Figs. 2
|
||
<normalizedToken originalValue="A–C">A-C</normalizedToken>
|
||
and
|
||
<bibRefCitation author="Crosnier, A" journalOrPublisher="Annales de l'Institut Oceanographique" pageId="8" pageNumber="9" pagination="199 - 314" title="Resultats Scientifiques des Campagnes de la " Calypso ". Fascicule VII. Campagne de la Calypso dans la Golfe de Guinee et aux Iles Principe, Sao Tome et Annobon (1956), et campagne aux Iles du Cap Vert (1959) (suite). 19. Crustaces decapodes: Alpheidae." volume="44" year="1966">Crosnier and Forest 1966</bibRefCitation>
|
||
, fig. 2c). The two species also differ in their colour patterns: the white bands and patches on the abdomen of
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus cedrici" order="Decapoda" pageId="5" pageNumber="6" phylum="Arthropoda" rank="species" species="cedrici">Alpheus cedrici</taxonomicName>
|
||
sp. n. are contrasting with the mostly uniform deep-red to bright or pale orange abdomen of
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus macrocheles" order="Decapoda" pageId="5" pageNumber="6" phylum="Arthropoda" rank="species" species="macrocheles">Alpheus macrocheles</taxonomicName>
|
||
(Fig. 4A, B). All records of
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus macrocheles" order="Decapoda" pageId="5" pageNumber="6" phylum="Arthropoda" rank="species" species="macrocheles">Alpheus macrocheles</taxonomicName>
|
||
from the western Atlantic, e.g. records from Brazil (
|
||
<bibRefCitation author="Ramos-Porto, M" journalOrPublisher="Trabalhos do Instituto Oceanografico da Universidade Federal do Pernambuco" pageId="9" pageNumber="10" pagination="117 - 130" title="Ocorrencia de Alpheus macrocheles (Hailstone) (Crustacea: Decapoda: Alpheidae) no Norte e Nordeste do Brasil." volume="14" year="1979">Ramos-Porto 1979</bibRefCitation>
|
||
;
|
||
<bibRefCitation author="Guterres, LFR" journalOrPublisher="Biociencias" pageId="8" pageNumber="9" pagination="231 - 233" title="Novos registros de ocorrencia de Alpheus macrocheles (Crustacea, Caridea, Alpheidae) na costa do Brasil." volume="13" year="2005">Guterres et al. 2005</bibRefCitation>
|
||
), have to be treated with some caution as they may refer to
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus amblyonyx" order="Decapoda" pageId="5" pageNumber="6" phylum="Arthropoda" rank="species" species="amblyonyx">Alpheus amblyonyx</taxonomicName>
|
||
or other species of the
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus macrocheles" order="Decapoda" pageId="5" pageNumber="6" phylum="Arthropoda" rank="species" species="macrocheles">Alpheus macrocheles</taxonomicName>
|
||
complex.
|
||
</paragraph>
|
||
<caption pageId="5" pageNumber="6">
|
||
<paragraph pageId="5" pageNumber="6">
|
||
Figure 4. Colour patterns of some species of the
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus macrocheles" order="Decapoda" pageId="5" pageNumber="6" phylum="Arthropoda" rank="species" species="macrocheles">Alpheus macrocheles</taxonomicName>
|
||
(Hailstone, 1835) complex. A
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus macrocheles" order="Decapoda" pageId="5" pageNumber="6" phylum="Arthropoda" rank="species" species="macrocheles">Alpheus macrocheles</taxonomicName>
|
||
from Cadaques, Mediterranean coast of Spain B
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus macrocheles" order="Decapoda" pageId="5" pageNumber="6" phylum="Arthropoda" rank="species" species="macrocheles">Alpheus macrocheles</taxonomicName>
|
||
from Madeira C
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus amblyonyx" order="Decapoda" pageId="5" pageNumber="6" phylum="Arthropoda" rank="species" species="amblyonyx">Alpheus amblyonyx</taxonomicName>
|
||
Chace, 1972 from Guadeloupe D
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus amblyonyx" order="Decapoda" pageId="5" pageNumber="6" phylum="Arthropoda" rank="species" species="amblyonyx">Alpheus amblyonyx</taxonomicName>
|
||
from Isla Grande, Panama E
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus bellimanus" order="Decapoda" pageId="5" pageNumber="6" phylum="Arthropoda" rank="species" species="bellimanus">Alpheus bellimanus</taxonomicName>
|
||
Lockington, 1877 from Santa Barbara, California F
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus bellimanus" order="Decapoda" pageId="5" pageNumber="6" phylum="Arthropoda" rank="species" species="bellimanus">Alpheus bellimanus</taxonomicName>
|
||
from Galapagos G
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus" order="Decapoda" pageId="5" pageNumber="6" phylum="Arthropoda" rank="genus">Alpheus</taxonomicName>
|
||
sp.? rectus Kim & Abele, 1988, from the Gulf of California. Photographic credits: A, Josep Lluis Peralta; B, Peter Wirtz; C,
|
||
<normalizedToken originalValue="Frédéric">Frederic</normalizedToken>
|
||
Fasquel; D, Arthur Anker; E, Gregory Jensen; F, Todd Zimmerman (courtesy of Cleveland Hickman); G, Alex Kerstitch (from
|
||
<bibRefCitation author="Kerstitch, A" journalOrPublisher="A guide for the Pacific coast, Mexico to Ecuador. Sea Challengers, Monterey" pageId="8" pageNumber="9" title="Sea of Cortez marine invertebrates." year="1988">Kerstitch 1988</bibRefCitation>
|
||
, courtesy of A. Kerstitch).
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph lastPageId="6" lastPageNumber="7" pageId="5" pageNumber="6">
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus platydactylus" order="Decapoda" pageId="5" pageNumber="6" phylum="Arthropoda" rank="species" species="platydactylus">Alpheus platydactylus</taxonomicName>
|
||
is a poorly known deep-water species (50-600 m) restricted to the northeastern Atlantic (Mediterranean Sea to the Azores and Cape Verde).
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus cedrici" order="Decapoda" pageId="5" pageNumber="6" phylum="Arthropoda" rank="species" species="cedrici">Alpheus cedrici</taxonomicName>
|
||
sp. n. can be easily distinguished from
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus platydactylus" order="Decapoda" pageId="5" pageNumber="6" phylum="Arthropoda" rank="species" species="platydactylus">Alpheus platydactylus</taxonomicName>
|
||
by the much stou
|
||
<pageBreakToken pageId="6" pageNumber="7" start="start">ter</pageBreakToken>
|
||
, shorter antennular peduncles; the broader scaphocerite; the smooth ventral margin of the major chela palm (vs. rugose in
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus platydactylus" order="Decapoda" pageId="6" pageNumber="7" phylum="Arthropoda" rank="species" species="platydactylus">Alpheus platydactylus</taxonomicName>
|
||
); the stouter minor chela, with the relatively shorter fingers; and the less slender second pereiopod (cf. Figs. 1, 2 and
|
||
<bibRefCitation author="Crosnier, A" journalOrPublisher="Annales de l'Institut Oceanographique" pageId="8" pageNumber="9" pagination="199 - 314" title="Resultats Scientifiques des Campagnes de la " Calypso ". Fascicule VII. Campagne de la Calypso dans la Golfe de Guinee et aux Iles Principe, Sao Tome et Annobon (1956), et campagne aux Iles du Cap Vert (1959) (suite). 19. Crustaces decapodes: Alpheidae." volume="44" year="1966">Crosnier and Forest 1966</bibRefCitation>
|
||
, fig. 2
|
||
<normalizedToken originalValue="e–h">e-h</normalizedToken>
|
||
).
|
||
</paragraph>
|
||
<paragraph pageId="7" pageNumber="8">
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus amblyonyx" order="Decapoda" pageId="7" pageNumber="8" phylum="Arthropoda" rank="species" species="amblyonyx">
|
||
<pageBreakToken pageId="7" pageNumber="8" start="start">Alpheus</pageBreakToken>
|
||
amblyonyx
|
||
</taxonomicName>
|
||
, a species widespread in the western Atlantic from the Gulf of Mexico to Brazil (
|
||
<bibRefCitation author="Chace, FAJr" journalOrPublisher="Smithsonian Contributions to Zoology" pageId="8" pageNumber="9" pagination="1 - 179" title="The shrimps of the Smithsonian-Bredin Caribbean expeditions with a summary of the West Indian shallow-water species (Crustacea: Decapoda: Natantia)." volume="98" year="1972">Chace 1972</bibRefCitation>
|
||
;
|
||
<bibRefCitation pageId="7" pageNumber="8">Christoffersen 1998</bibRefCitation>
|
||
), is generally very similar to
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus macrocheles" order="Decapoda" pageId="7" pageNumber="8" phylum="Arthropoda" rank="species" species="macrocheles">Alpheus macrocheles</taxonomicName>
|
||
.
|
||
<bibRefCitation author="Chace, FAJr" journalOrPublisher="Smithsonian Contributions to Zoology" pageId="8" pageNumber="9" pagination="1 - 179" title="The shrimps of the Smithsonian-Bredin Caribbean expeditions with a summary of the West Indian shallow-water species (Crustacea: Decapoda: Natantia)." volume="98" year="1972">Chace (1972)</bibRefCitation>
|
||
separated
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus amblyonyx" order="Decapoda" pageId="7" pageNumber="8" phylum="Arthropoda" rank="species" species="amblyonyx">Alpheus amblyonyx</taxonomicName>
|
||
from
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus macrocheles" order="Decapoda" pageId="7" pageNumber="8" phylum="Arthropoda" rank="species" species="macrocheles">Alpheus macrocheles</taxonomicName>
|
||
mainly on the basis of four characters: (1) the more prominent rostrum; (2) the transverse notch on the mesiodorsal surface of the major chela palm broader and less sharply defined; (3) the major chela dactylus more strikingly bulbous distally; and (4) the minor chela dactylus without a high dorsal crest. With the exception of the last feature,
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus cedrici" order="Decapoda" pageId="7" pageNumber="8" phylum="Arthropoda" rank="species" species="cedrici">Alpheus cedrici</taxonomicName>
|
||
sp. n. can be separated from
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus amblyonyx" order="Decapoda" pageId="7" pageNumber="8" phylum="Arthropoda" rank="species" species="amblyonyx">Alpheus amblyonyx</taxonomicName>
|
||
using the same criteria as from
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus macrocheles" order="Decapoda" pageId="7" pageNumber="8" phylum="Arthropoda" rank="species" species="macrocheles">Alpheus macrocheles</taxonomicName>
|
||
(see above). The colour pattern of
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus amblyonyx" order="Decapoda" pageId="7" pageNumber="8" phylum="Arthropoda" rank="species" species="amblyonyx">Alpheus amblyonyx</taxonomicName>
|
||
(Fig. 4C, D) is much more similar to the colour pattern of
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus macrocheles" order="Decapoda" pageId="7" pageNumber="8" phylum="Arthropoda" rank="species" species="macrocheles">Alpheus macrocheles</taxonomicName>
|
||
(Fig. 4A, B) than to that of
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus cedrici" order="Decapoda" pageId="7" pageNumber="8" phylum="Arthropoda" rank="species" species="cedrici">Alpheus cedrici</taxonomicName>
|
||
. sp. n. (Fig. 3).
|
||
</paragraph>
|
||
<paragraph pageId="7" pageNumber="8">
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus pouang" order="Decapoda" pageId="7" pageNumber="8" phylum="Arthropoda" rank="species" species="pouang">Alpheus pouang</taxonomicName>
|
||
and
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus puapeba" order="Decapoda" pageId="7" pageNumber="8" phylum="Arthropoda" rank="species" species="puapeba">Alpheus puapeba</taxonomicName>
|
||
are two deep-water species presently known only from the southwestern Atlantic, off southern Brazil and Uruguay, at depth ranges of 120-268 m and 45-175 m, respectively (
|
||
<bibRefCitation pageId="7" pageNumber="8">Christoffersen 1979</bibRefCitation>
|
||
, 1998).
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus cedrici" order="Decapoda" pageId="7" pageNumber="8" phylum="Arthropoda" rank="species" species="cedrici">Alpheus cedrici</taxonomicName>
|
||
sp. n. can be distinguished from
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus pouang" order="Decapoda" pageId="7" pageNumber="8" phylum="Arthropoda" rank="species" species="pouang">Alpheus pouang</taxonomicName>
|
||
by the anterior margin of the carapace between the rostrum and the orbital teeth being shallowly and broadly concave (vs. much more deeply incised in
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus pouang" order="Decapoda" pageId="7" pageNumber="8" phylum="Arthropoda" rank="species" species="pouang">Alpheus pouang</taxonomicName>
|
||
), and the minor chela with a non-protruding ventral shoulder and a distinctly less flattened and dorsally arched dactylus (cf. Figs. 1-2 and
|
||
<bibRefCitation pageId="7" pageNumber="8">Christoffersen 1979</bibRefCitation>
|
||
, figs. 14-15). The new species differs even more from
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus puapeba" order="Decapoda" pageId="7" pageNumber="8" phylum="Arthropoda" rank="species" species="puapeba">Alpheus puapeba</taxonomicName>
|
||
, for example, by the much shorter antennular peduncles and the less elongate, more swollen major chela (cf. Figs. 1-2 and
|
||
<bibRefCitation pageId="7" pageNumber="8">Christoffersen 1979</bibRefCitation>
|
||
, figs. 16-17). In addition, the pleopodal protopods of both
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus pouang" order="Decapoda" pageId="7" pageNumber="8" phylum="Arthropoda" rank="species" species="pouang">Alpheus pouang</taxonomicName>
|
||
and
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus puapeba" order="Decapoda" pageId="7" pageNumber="8" phylum="Arthropoda" rank="species" species="puapeba">Alpheus puapeba</taxonomicName>
|
||
are not armed with rows of spiniform setae (
|
||
<bibRefCitation pageId="7" pageNumber="8">Christoffersen 1979</bibRefCitation>
|
||
, figs. 15r, 17d, 18f), as is the case of
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus cedrici" order="Decapoda" pageId="7" pageNumber="8" phylum="Arthropoda" rank="species" species="cedrici">Alpheus cedrici</taxonomicName>
|
||
sp. n. (Fig. 1J).
|
||
</paragraph>
|
||
<paragraph pageId="7" pageNumber="8">
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus lentiginosus" order="Decapoda" pageId="7" pageNumber="8" phylum="Arthropoda" rank="species" species="lentiginosus">Alpheus lentiginosus</taxonomicName>
|
||
is another deep-water western Atlantic species presently known only from the northern Gulf of Mexico, at depths of 336-438 m (
|
||
<bibRefCitation author="Anker, A" journalOrPublisher="Zootaxa" pageId="8" pageNumber="9" pagination="49 - 56" title="Description of a new deep-water species of Alpheus Fabricius, 1798 from the Gulf of Mexico (Crustacea, Decapoda, Alpheidae)." volume="2925" year="2011">Anker and Nizinski 2011</bibRefCitation>
|
||
).
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus cedrici" order="Decapoda" pageId="7" pageNumber="8" phylum="Arthropoda" rank="species" species="cedrici">Alpheus cedrici</taxonomicName>
|
||
sp. n. can be separated from
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus lentiginosus" order="Decapoda" pageId="7" pageNumber="8" phylum="Arthropoda" rank="species" species="lentiginosus">Alpheus lentiginosus</taxonomicName>
|
||
by the less expanded, dorsally non-arched dactylus of the minor chela; the less slender third to fifth pereiopods, with simple, conical dactyli (vs. with a minute accessory unguis on the flexor margin in
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus lentiginosus" order="Decapoda" pageId="7" pageNumber="8" phylum="Arthropoda" rank="species" species="lentiginosus">Alpheus lentiginosus</taxonomicName>
|
||
); and the presence of spiniform setae on the pleopodal protopods (absent in
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus lentiginosus" order="Decapoda" pageId="7" pageNumber="8" phylum="Arthropoda" rank="species" species="lentiginosus">Alpheus lentiginosus</taxonomicName>
|
||
) (cf. Figs 1-2 and
|
||
<bibRefCitation author="Anker, A" journalOrPublisher="Zootaxa" pageId="8" pageNumber="9" pagination="49 - 56" title="Description of a new deep-water species of Alpheus Fabricius, 1798 from the Gulf of Mexico (Crustacea, Decapoda, Alpheidae)." volume="2925" year="2011">Anker and Nizinski 2011</bibRefCitation>
|
||
, figs. 1-2). The colour patterns of
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus cedrici" order="Decapoda" pageId="7" pageNumber="8" phylum="Arthropoda" rank="species" species="cedrici">Alpheus cedrici</taxonomicName>
|
||
sp. n. and
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus lentiginosus" order="Decapoda" pageId="7" pageNumber="8" phylum="Arthropoda" rank="species" species="lentiginosus">Alpheus lentiginosus</taxonomicName>
|
||
are different as well (cf. Fig. 3 and
|
||
<bibRefCitation author="Anker, A" journalOrPublisher="Zootaxa" pageId="8" pageNumber="9" pagination="49 - 56" title="Description of a new deep-water species of Alpheus Fabricius, 1798 from the Gulf of Mexico (Crustacea, Decapoda, Alpheidae)." volume="2925" year="2011">Anker and Nizinski 2011</bibRefCitation>
|
||
, fig. 3).
|
||
</paragraph>
|
||
<paragraph lastPageId="8" lastPageNumber="9" pageId="7" pageNumber="8">
|
||
The two eastern Pacific species of the
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus macrocheles" order="Decapoda" pageId="7" pageNumber="8" phylum="Arthropoda" rank="species" species="macrocheles">Alpheus macrocheles</taxonomicName>
|
||
complex,
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus bellimanus" order="Decapoda" pageId="7" pageNumber="8" phylum="Arthropoda" rank="species" species="bellimanus">Alpheus bellimanus</taxonomicName>
|
||
and
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus rectus" order="Decapoda" pageId="7" pageNumber="8" phylum="Arthropoda" rank="species" species="rectus">Alpheus rectus</taxonomicName>
|
||
, are both morphologically very close to
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus cedrici" order="Decapoda" pageId="7" pageNumber="8" phylum="Arthropoda" rank="species" species="cedrici">Alpheus cedrici</taxonomicName>
|
||
sp. n.
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus bellimanus" order="Decapoda" pageId="7" pageNumber="8" phylum="Arthropoda" rank="species" species="bellimanus">Alpheus bellimanus</taxonomicName>
|
||
is a relatively common species with a very wide depth range (0-300 m), and also with a wide geographic range, from California via Mexico, Panama and Galapagos to northern Chile (
|
||
<bibRefCitation author="Kim, W" journalOrPublisher="Smithsonian Contributions to Zoology" pageId="8" pageNumber="9" pagination="1 - 119" title="The snapping shrimp genus Alpheus from the Eastern Pacific (Decapoda: Caridea: Alpheidae)." url="10.5479/si.00810282.454" volume="454" year="1988">Kim and Abele 1988</bibRefCitation>
|
||
).
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus rectus" order="Decapoda" pageId="7" pageNumber="8" phylum="Arthropoda" rank="species" species="rectus">Alpheus rectus</taxonomicName>
|
||
is a much less common species from moderately deep-water (55-73 m); it is currently known only from the type locality in Panama and one locality in southern Baja California (
|
||
<bibRefCitation author="Kim, W" journalOrPublisher="Smithsonian Contributions to Zoology" pageId="8" pageNumber="9" pagination="1 - 119" title="The snapping shrimp genus Alpheus from the Eastern Pacific (Decapoda: Caridea: Alpheidae)." url="10.5479/si.00810282.454" volume="454" year="1988">Kim and Abele 1988</bibRefCitation>
|
||
).
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus cedrici" order="Decapoda" pageId="7" pageNumber="8" phylum="Arthropoda" rank="species" species="cedrici">Alpheus cedrici</taxonomicName>
|
||
sp. n. shares with
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus bellimanus" order="Decapoda" pageId="7" pageNumber="8" phylum="Arthropoda" rank="species" species="bellimanus">Alpheus bellimanus</taxonomicName>
|
||
the presence of spiniform setae on the protopods of pleopods. The two species also have very similar frontal margins of the carapace, antennules and antennae, major chelipeds, and walking legs. However,
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus cedrici" order="Decapoda" pageId="7" pageNumber="8" phylum="Arthropoda" rank="species" species="cedrici">Alpheus cedrici</taxonomicName>
|
||
sp. n. can be separated from
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus bellimanus" order="Decapoda" pageId="7" pageNumber="8" phylum="Arthropoda" rank="species" species="bellimanus">Alpheus bellimanus</taxonomicName>
|
||
by the non-protruding ventral shoulder of the male minor chela (vs. protruding in
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus bellimanus" order="Decapoda" pageId="7" pageNumber="8" phylum="Arthropoda" rank="species" species="bellimanus">Alpheus bellimanus</taxonomicName>
|
||
); the less expanded, dorsally non-arched
|
||
<pageBreakToken pageId="8" pageNumber="9" start="start">dactylus</pageBreakToken>
|
||
of the male minor chela (vs. more expanded and dorsally strongly convex in
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus bellimanus" order="Decapoda" pageId="8" pageNumber="9" phylum="Arthropoda" rank="species" species="bellimanus">Alpheus bellimanus</taxonomicName>
|
||
); and the anteriorly rounded tooth on the ventromesial carina of the first article of the antennular peduncle (vs. with a subacute tooth in
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus bellimanus" order="Decapoda" pageId="8" pageNumber="9" phylum="Arthropoda" rank="species" species="bellimanus">Alpheus bellimanus</taxonomicName>
|
||
) (cf. Figs. 1-2 and
|
||
<bibRefCitation author="Kim, W" journalOrPublisher="Smithsonian Contributions to Zoology" pageId="8" pageNumber="9" pagination="1 - 119" title="The snapping shrimp genus Alpheus from the Eastern Pacific (Decapoda: Caridea: Alpheidae)." url="10.5479/si.00810282.454" volume="454" year="1988">Kim and Abele 1988</bibRefCitation>
|
||
, fig. 5). The colour pattern of
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus bellimanus" order="Decapoda" pageId="8" pageNumber="9" phylum="Arthropoda" rank="species" species="bellimanus">Alpheus bellimanus</taxonomicName>
|
||
(Fig. 4E, F) resembles more the uniform colour patterns of
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus macrocheles" order="Decapoda" pageId="8" pageNumber="9" phylum="Arthropoda" rank="species" species="macrocheles">Alpheus macrocheles</taxonomicName>
|
||
(Fig. 4A, B) and
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus amblyonyx" order="Decapoda" pageId="8" pageNumber="9" phylum="Arthropoda" rank="species" species="amblyonyx">Alpheus amblyonyx</taxonomicName>
|
||
(Fig. 4C, D) than the distinctly banded colour pattern of
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus cedrici" order="Decapoda" pageId="8" pageNumber="9" phylum="Arthropoda" rank="species" species="cedrici">Alpheus cedrici</taxonomicName>
|
||
sp. n. (Fig. 3).
|
||
</paragraph>
|
||
<paragraph pageId="8" pageNumber="9">
|
||
The new species from Ascension also differs from
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus rectus" order="Decapoda" pageId="8" pageNumber="9" phylum="Arthropoda" rank="species" species="rectus">Alpheus rectus</taxonomicName>
|
||
, for example, by the less rectangular general shape of the major chela, with the ventral shoulder of the palm broadly rounded, not protruding anteriorly (vs. bluntly projecting in
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus rectus" order="Decapoda" pageId="8" pageNumber="9" phylum="Arthropoda" rank="species" species="rectus">Alpheus rectus</taxonomicName>
|
||
); and the anteriorly rounded tooth on the ventromesial carina of the first article of the antennular peduncle (vs. with a small point in
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus rectus" order="Decapoda" pageId="8" pageNumber="9" phylum="Arthropoda" rank="species" species="rectus">Alpheus rectus</taxonomicName>
|
||
). The colour pattern of
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus rectus" order="Decapoda" pageId="8" pageNumber="9" phylum="Arthropoda" rank="species" species="rectus">Alpheus rectus</taxonomicName>
|
||
remains unconfirmed. However, a colour photograph of a snapping shrimp erroneously identified as "
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus paracrinitus" order="Decapoda" pageId="8" pageNumber="9" phylum="Arthropoda" rank="species" species="paracrinitus">Alpheus paracrinitus</taxonomicName>
|
||
" in
|
||
<bibRefCitation author="Kerstitch, A" journalOrPublisher="A guide for the Pacific coast, Mexico to Ecuador. Sea Challengers, Monterey" pageId="8" pageNumber="9" title="Sea of Cortez marine invertebrates." year="1988">Kerstitch (1988)</bibRefCitation>
|
||
matches
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus rectus" order="Decapoda" pageId="8" pageNumber="9" phylum="Arthropoda" rank="species" species="rectus">Alpheus rectus</taxonomicName>
|
||
, especially in the shape of the major and minor chelipeds. The colour pattern of this individual (
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus" order="Decapoda" pageId="8" pageNumber="9" phylum="Arthropoda" rank="genus">Alpheus</taxonomicName>
|
||
sp.? rectus in Fig. 4G), although characterised by a conspicuous transversal orange-white banding, is different from that of
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus cedrici" order="Decapoda" pageId="8" pageNumber="9" phylum="Arthropoda" rank="species" species="cedrici">Alpheus cedrici</taxonomicName>
|
||
sp. n., especially in the clearly banded carapace and the abdominal bands extending ventrally to the pleural margins (cf. Figs. 3, 4G).
|
||
</paragraph>
|
||
<paragraph pageId="8" pageNumber="9">
|
||
All other species of the
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus macrocheles" order="Decapoda" pageId="8" pageNumber="9" phylum="Arthropoda" rank="species" species="macrocheles">Alpheus macrocheles</taxonomicName>
|
||
group present in the western and eastern Atlantic and in the eastern Pacific differ more markedly from
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus cedrici" order="Decapoda" pageId="8" pageNumber="9" phylum="Arthropoda" rank="species" species="cedrici">Alpheus cedrici</taxonomicName>
|
||
sp. n. (see
|
||
<bibRefCitation author="Coutiere, H" journalOrPublisher="Proceedings of the United States National Museum" pageId="8" pageNumber="9" pagination="485 - 487" title="The snapping shrimps (Alpheidae) of the Dry Tortugas, Florida." url="10.5479/si.00963801.37-1716.485" volume="37" year="1910">
|
||
<normalizedToken originalValue="Coutière">Coutiere</normalizedToken>
|
||
1910
|
||
</bibRefCitation>
|
||
;
|
||
<bibRefCitation author="Armstrong, JC" journalOrPublisher="American Museum Novitates" pageId="8" pageNumber="9" pagination="1 - 10" title="New species of Caridea from the Bermudas." volume="1096" year="1940">Armstrong 1940</bibRefCitation>
|
||
,
|
||
<bibRefCitation author="Armstrong, JC" journalOrPublisher="American Museum Novitates" pageId="8" pageNumber="9" pagination="1 - 14" title="The Caridea and Stomatopoda of the second Templeton Crocker-American Museum expedition to the Pacific Ocean." volume="1137" year="1941">1941</bibRefCitation>
|
||
;
|
||
<bibRefCitation author="Holthuis, LB" journalOrPublisher="Atlantide Report" pageId="8" pageNumber="9" pagination="1 - 187" title="The caridean Crustacea of tropical West Africa." volume="2" year="1951">Holthuis 1951</bibRefCitation>
|
||
;
|
||
<bibRefCitation author="Crosnier, A" journalOrPublisher="Annales de l'Institut Oceanographique" pageId="8" pageNumber="9" pagination="199 - 314" title="Resultats Scientifiques des Campagnes de la " Calypso ". Fascicule VII. Campagne de la Calypso dans la Golfe de Guinee et aux Iles Principe, Sao Tome et Annobon (1956), et campagne aux Iles du Cap Vert (1959) (suite). 19. Crustaces decapodes: Alpheidae." volume="44" year="1966">Crosnier and Forest 1966</bibRefCitation>
|
||
;
|
||
<bibRefCitation author="Chace, FAJr" journalOrPublisher="Smithsonian Contributions to Zoology" pageId="8" pageNumber="9" pagination="1 - 179" title="The shrimps of the Smithsonian-Bredin Caribbean expeditions with a summary of the West Indian shallow-water species (Crustacea: Decapoda: Natantia)." volume="98" year="1972">Chace 1972</bibRefCitation>
|
||
;
|
||
<bibRefCitation author="Wicksten, MK" journalOrPublisher="Journal of Crustacean Biology" pageId="9" pageNumber="10" pagination="137 - 142" title="Alpheus inca: a new snapping shrimp (Caridea: Alpheidae) from western South America." url="10.2307/1548211" volume="1" year="1981">
|
||
Wicksten and
|
||
<normalizedToken originalValue="Méndez">Mendez</normalizedToken>
|
||
1981
|
||
</bibRefCitation>
|
||
;
|
||
<bibRefCitation author="Kim, W" journalOrPublisher="Smithsonian Contributions to Zoology" pageId="8" pageNumber="9" pagination="1 - 119" title="The snapping shrimp genus Alpheus from the Eastern Pacific (Decapoda: Caridea: Alpheidae)." url="10.5479/si.00810282.454" volume="454" year="1988">Kim and Abele 1988</bibRefCitation>
|
||
;
|
||
<bibRefCitation author="Wicksten, MK" journalOrPublisher="Crustacean Research" pageId="9" pageNumber="10" pagination="26 - 31" title="A new species of Alpheus (Decapoda: Caridea: Alpheidae) from the Gulf of Mexico." volume="32" year="2003">Wicksten and McClure 2003</bibRefCitation>
|
||
;
|
||
<bibRefCitation author="Anker, A" journalOrPublisher="Zootaxa" pageId="8" pageNumber="9" pagination="53 - 68" title="Revision of the Alpheus cylindricus Kingsley, 1878 species complex (Crustacea: Decapoda: Alpheidae), with revalidation of Alpheus vanderbilti Boone, 1930." volume="1943" year="2008">Anker et al. 2008</bibRefCitation>
|
||
). The shape of the frontal margin of the carapace separates the new species from
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus inca" order="Decapoda" pageId="8" pageNumber="9" phylum="Arthropoda" rank="species" species="inca">Alpheus inca</taxonomicName>
|
||
Wicksten &
|
||
<normalizedToken originalValue="Méndez">Mendez</normalizedToken>
|
||
, 1981,
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus grahami" order="Decapoda" pageId="8" pageNumber="9" phylum="Arthropoda" rank="species" species="grahami">Alpheus grahami</taxonomicName>
|
||
Abele, 1975,
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus cylindricus" order="Decapoda" pageId="8" pageNumber="9" phylum="Arthropoda" rank="species" species="cylindricus">Alpheus cylindricus</taxonomicName>
|
||
Kingsley, 1878,
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus vanderbilti" order="Decapoda" pageId="8" pageNumber="9" phylum="Arthropoda" rank="species" species="vanderbilti">Alpheus vanderbilti</taxonomicName>
|
||
Boone, 1930,
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus clamator" order="Decapoda" pageId="8" pageNumber="9" phylum="Arthropoda" rank="species" species="clamator">Alpheus clamator</taxonomicName>
|
||
Lockington, 1877,
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus peasei" order="Decapoda" pageId="8" pageNumber="9" phylum="Arthropoda" rank="species" species="peasei">Alpheus peasei</taxonomicName>
|
||
(Armstrong, 1940),
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus dentipes" order="Decapoda" pageId="8" pageNumber="9" phylum="Arthropoda" rank="species" species="dentipes">Alpheus dentipes</taxonomicName>
|
||
<normalizedToken originalValue="Guérin">Guerin</normalizedToken>
|
||
, 1832 and
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus candei" order="Decapoda" pageId="8" pageNumber="9" phylum="Arthropoda" rank="species" species="candei">Alpheus candei</taxonomicName>
|
||
<normalizedToken originalValue="Guérin-Méneville">Guerin-Meneville</normalizedToken>
|
||
, 1855). The shape of the major cheliped separates the new species from
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus crockeri" order="Decapoda" pageId="8" pageNumber="9" phylum="Arthropoda" rank="species" species="crockeri">Alpheus crockeri</taxonomicName>
|
||
(Armstrong, 1941),
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus hortensis" order="Decapoda" pageId="8" pageNumber="9" phylum="Arthropoda" rank="species" species="hortensis">Alpheus hortensis</taxonomicName>
|
||
Wicksten & McClure, 2003,
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus grahami" order="Decapoda" pageId="8" pageNumber="9" phylum="Arthropoda" rank="species" species="grahami">Alpheus grahami</taxonomicName>
|
||
,
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus cylindricus" order="Decapoda" pageId="8" pageNumber="9" phylum="Arthropoda" rank="species" species="cylindricus">Alpheus cylindricus</taxonomicName>
|
||
and
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus vanderbilti" order="Decapoda" pageId="8" pageNumber="9" phylum="Arthropoda" rank="species" species="vanderbilti">Alpheus vanderbilti</taxonomicName>
|
||
. The shape of the minor cheliped separates the new species from
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus hoonsooi" order="Decapoda" pageId="8" pageNumber="9" phylum="Arthropoda" rank="species" species="hoonsooi">Alpheus hoonsooi</taxonomicName>
|
||
Kim & Abele, 1988,
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus crockeri" order="Decapoda" pageId="8" pageNumber="9" phylum="Arthropoda" rank="species" species="crockeri">Alpheus crockeri</taxonomicName>
|
||
,
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus hortensis" order="Decapoda" pageId="8" pageNumber="9" phylum="Arthropoda" rank="species" species="hortensis">Alpheus hortensis</taxonomicName>
|
||
,
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus grahami" order="Decapoda" pageId="8" pageNumber="9" phylum="Arthropoda" rank="species" species="grahami">Alpheus grahami</taxonomicName>
|
||
,
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus cylindricus" order="Decapoda" pageId="8" pageNumber="9" phylum="Arthropoda" rank="species" species="cylindricus">Alpheus cylindricus</taxonomicName>
|
||
and
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus vanderbilti" order="Decapoda" pageId="8" pageNumber="9" phylum="Arthropoda" rank="species" species="vanderbilti">Alpheus vanderbilti</taxonomicName>
|
||
. The presence of a distinct distoventral tooth on the merus of the third and fourth pereiopod in
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus hoonsooi" order="Decapoda" pageId="8" pageNumber="9" phylum="Arthropoda" rank="species" species="hoonsooi">Alpheus hoonsooi</taxonomicName>
|
||
,
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus clamator" order="Decapoda" pageId="8" pageNumber="9" phylum="Arthropoda" rank="species" species="clamator">Alpheus clamator</taxonomicName>
|
||
,
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus peasei" order="Decapoda" pageId="8" pageNumber="9" phylum="Arthropoda" rank="species" species="peasei">Alpheus peasei</taxonomicName>
|
||
and
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus dentipes" order="Decapoda" pageId="8" pageNumber="9" phylum="Arthropoda" rank="species" species="dentipes">Alpheus dentipes</taxonomicName>
|
||
separates these species from
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus cedrici" order="Decapoda" pageId="8" pageNumber="9" phylum="Arthropoda" rank="species" species="cedrici">Alpheus cedrici</taxonomicName>
|
||
sp. n. Finally, the strongly biunguiculate dactylus of the third to fifth pereiopods in
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus clamator" order="Decapoda" pageId="8" pageNumber="9" phylum="Arthropoda" rank="species" species="clamator">Alpheus clamator</taxonomicName>
|
||
,
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus peasei" order="Decapoda" pageId="8" pageNumber="9" phylum="Arthropoda" rank="species" species="peasei">Alpheus peasei</taxonomicName>
|
||
,
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus dentipes" order="Decapoda" pageId="8" pageNumber="9" phylum="Arthropoda" rank="species" species="dentipes">Alpheus dentipes</taxonomicName>
|
||
and
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus candei" order="Decapoda" pageId="8" pageNumber="9" phylum="Arthropoda" rank="species" species="candei">Alpheus candei</taxonomicName>
|
||
separates these species from
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus cedrici" order="Decapoda" pageId="8" pageNumber="9" phylum="Arthropoda" rank="species" species="cedrici">Alpheus cedrici</taxonomicName>
|
||
sp. n.
|
||
</paragraph>
|
||
<paragraph pageId="8" pageNumber="9">
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus cedrici" order="Decapoda" pageId="8" pageNumber="9" phylum="Arthropoda" rank="species" species="cedrici">Alpheus cedrici</taxonomicName>
|
||
sp. n. can be separated from the Indo-West Pacific
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus albatrossae" order="Decapoda" pageId="8" pageNumber="9" phylum="Arthropoda" rank="species" species="albatrossae">Alpheus albatrossae</taxonomicName>
|
||
by the presence of a distinct shoulder on the ventrolateral surface of the minor chela palm (absent in
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus albatrossae" order="Decapoda" pageId="8" pageNumber="9" phylum="Arthropoda" rank="species" species="albatrossae">Alpheus albatrossae</taxonomicName>
|
||
); the stouter fingers of the minor chela; and the absence of a small unguis on the dorsal margin of the dactylus of the third to fifth pereiopods (present in
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus albatrossae" order="Decapoda" pageId="8" pageNumber="9" phylum="Arthropoda" rank="species" species="albatrossae">Alpheus albatrossae</taxonomicName>
|
||
) (cf. Figs. 1, 2 and Banner, 1953, fig. 18). None of the other Indo-West Pacific species of the
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus macrocheles" order="Decapoda" pageId="8" pageNumber="9" phylum="Arthropoda" rank="species" species="macrocheles">Alpheus macrocheles</taxonomicName>
|
||
group appears to be closely related to
|
||
<taxonomicName class="Malacostraca" family="Alpheidae" genus="Alpheus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alpheus cedrici" order="Decapoda" pageId="8" pageNumber="9" phylum="Arthropoda" rank="species" species="cedrici">Alpheus cedrici</taxonomicName>
|
||
sp. n. (e.g.
|
||
<bibRefCitation pageId="8" pageNumber="9">
|
||
<normalizedToken originalValue="Coutière">Coutiere</normalizedToken>
|
||
1905
|
||
</bibRefCitation>
|
||
; De
|
||
<bibRefCitation pageId="8" pageNumber="9">Man 1911</bibRefCitation>
|
||
;
|
||
<bibRefCitation author="Banner, AH" journalOrPublisher="Pacific Science" pageId="8" pageNumber="9" pagination="3 - 147" title="The Crangonidae, or snapping shrimp, of Hawaii." volume="7" year="1953">Banner 1953</bibRefCitation>
|
||
;
|
||
<bibRefCitation author="Kensley, B" journalOrPublisher="Annals of the South African Museum" pageId="8" pageNumber="9" pagination="149 - 181" title="Decapod Crustacea from the south-west Indian Ocean." volume="52" year="1969">Kensley 1969</bibRefCitation>
|
||
;
|
||
<bibRefCitation author="Banner, DM" journalOrPublisher="Records of the Australian Museum" pageId="8" pageNumber="9" pagination="1 - 357" title=". The alpheid shrimp of Australia. Part III: The remaining alpheids, principally the genus Alpheus and the family Ogyrididae." url="10.3853/j.0067-1975.34.1982.434" volume="34" year="1982">Banner and Banner 1982</bibRefCitation>
|
||
;
|
||
<bibRefCitation pageId="8" pageNumber="9">Burukovsky 1990</bibRefCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |