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<document ID-DOI="http://dx.doi.org/10.3897/zookeys.1009.54303" ID-GBIF-Dataset="4f67a727-4d9e-47e7-9c0a-6cf024d77da5" ID-PMC="PMC7801368" ID-Pensoft-Pub="1313-2970-1009-81" ID-Pensoft-UUID="24DEEA8C6B435153B6A5794E603BB79A" ID-PubMed="33505196" ID-ZooBank="F0C4C58B5F484CDBA443E258D732AC5B" ModsDocID="1313-2970-1009-81" checkinTime="1609809790016" checkinUser="pensoft" docAuthor="Klotz, Werner, Rintelen, Thomas von, Wowor, Daisy, Lukhaup, Chris & Rintelen, Kristina von" docDate="2021" docId="2EC26236B29F5BACB29DB5CE168AF7B5" docLanguage="en" docName="ZooKeys 1009: 81-122" docOrigin="ZooKeys 1009" docPubDate="2021-01-04" docSource="http://dx.doi.org/10.3897/zookeys.1009.54303" docTitle="Caridina poso Klotz, Wowor & K. von Rintelen 2021, sp. nov." docType="treatment" docUuid="83931AF8-E252-4068-94D9-69C1103D42D7" docUuidSource="ZooBank" docVersion="4" id="24DEEA8C6B435153B6A5794E603BB79A" lastPageNumber="81" masterDocId="24DEEA8C6B435153B6A5794E603BB79A" masterDocTitle="Lake Poso's shrimp fauna revisited: the description of five new species of the genus Caridina (Crustacea, Decapoda, Atyidae) more than doubles the number of endemic lacustrine species" masterLastPageNumber="122" masterPageNumber="81" pageNumber="81" updateTime="1668149687226" 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>Lake Poso's shrimp fauna revisited: the description of five new species of the genus Caridina (Crustacea, Decapoda, Atyidae) more than doubles the number of endemic lacustrine species</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>Klotz, Werner</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-1104-5613</mods:nameIdentifier>
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<mods:affiliation>Wiesenweg 1, A- 6063 Rum, Austria</mods:affiliation>
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<mods:nameIdentifier type="email">wklotz@aon.at</mods:nameIdentifier>
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</mods:name>
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<mods:name type="personal">
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Rintelen, Thomas von</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-6253-3078</mods:nameIdentifier>
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<mods:affiliation>Museum fuer Naturkunde, Leibniz Institute for Evolution and Biodiversity Science, Invalidenstr. 43, D- 10115 Berlin, Germany</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Wowor, Daisy</mods:namePart>
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<mods:affiliation>Division of Zoology, Research Center for Biology, Indonesian Institute of Sciences (LIPI), Jalan Raya Jakarta Bogor Km 46, Cibinong 16911, Indonesia</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Lukhaup, Chris</mods:namePart>
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<mods:affiliation>Waldstrasse 5 a, D- 66999 Hinterweidenthal, Germany</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Rintelen, Kristina von</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0003-4167-3570</mods:nameIdentifier>
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<mods:affiliation>Museum fuer Naturkunde, Leibniz Institute for Evolution and Biodiversity Science, Invalidenstr. 43, D- 10115 Berlin, Germany</mods:affiliation>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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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>2021</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2021-01-04</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>1009</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>81</mods:start>
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<mods:end>122</mods:end>
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<mods:url>http://dx.doi.org/10.3897/zookeys.1009.54303</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.1009.54303</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-1009-81</mods:identifier>
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<mods:identifier type="ZooBank">F0C4C58B5F484CDBA443E258D732AC5B</mods:identifier>
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<mods:identifier type="Pensoft-UUID">24DEEA8C6B435153B6A5794E603BB79A</mods:identifier>
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<treatment ID-GBIF-Taxon="176432960" LSID="urn:lsid:zoobank.org:act:83931AF8-E252-4068-94D9-69C1103D42D7" httpUri="http://treatment.plazi.org/id/2EC26236B29F5BACB29DB5CE168AF7B5" lastPageNumber="81" pageId="0" pageNumber="81">
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<subSubSection pageId="0" pageNumber="81" type="nomenclature">
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<paragraph pageId="0" pageNumber="81">
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<taxonomicName LSID="http://zoobank.org/83931AF8-E252-4068-94D9-69C1103D42D7" authority="Klotz, Wowor & K. von Rintelen" authorityName="Klotz, Wowor & K. von Rintelen" authorityYear="2021" class="Malacostraca" family="Atyidae" genus="Caridina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Caridina poso" order="Decapoda" pageId="0" pageNumber="81" phylum="Arthropoda" rank="species" species="poso" status="sp. nov.">Caridina poso Klotz, Wowor & K. von Rintelen</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="81">sp. nov.</taxonomicNameLabel>
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<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Living specimens of Caridina spp in Lake Poso 2. A, B Caridina mayamareenae sp. nov. C C. lilianae sp. nov. D Two snail species Celetaia persculpta and Tylomelania sp. on soft substrate. Empty shells of these species are shelter for C. mayamareenae sp. nov. E, F C. poso sp. nov. G C. marlenae sp. nov. H C. fusca sp. nov. Not to scale. All photographs: W. Klotz." figureDoi="10.3897/zookeys.1009.54303.figure3" httpUri="https://binary.pensoft.net/fig/493860" pageId="0" pageNumber="81">Figures 3E-F</figureCitation>
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<figureCitation captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. Caridina poso sp. nov. Morphology 1. ♂, cl. 2.7 mm, ZMB 29766 A cephalothorax and cephalic appendages D preanal carina E uropodal diaeresis F, G telson; paratype ♂, cl. 2.7 mm, ZMB 29624 B rostrum H scaphocerite I mandible J maxillula K maxilla L first maxilliped M palp of first maxilliped; paratype ov. ♀, cl. 3.4 mm, MZB Cru 5051 C Rostrum. Scale bars: 1 mm (A-C, F, H, I); 0.5 mm (D, E, G, J-L); 0.1 mm (M)." figureDoi="10.3897/zookeys.1009.54303.figure13" httpUri="https://binary.pensoft.net/fig/493870" pageId="0" pageNumber="81">, 13</figureCitation>
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<figureCitation captionStart="Figure 14" captionStartId="F14" captionText="Figure 14. Caridina poso sp. nov. Morphology 2. Paratype ♂, cl. 2.7 mm, ZMB 29624 A second maxilliped B third maxilliped C first pereiopod D second pereiopod E third pereiopod F dactylus of third pereiopod G fifth pereiopod H dactylus of fifth pereiopod; ♂, cl. 2.7 mm, ZMB 29766 I endopod of male first pleopod J appendix masculina on male second pleopod. Scale bars: 0.5 mm (A, F-J); 1 mm (B-E)." figureDoi="10.3897/zookeys.1009.54303.figure14" httpUri="https://binary.pensoft.net/fig/493871" pageId="0" pageNumber="81">, 14</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="81" type="materials_examined">
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<paragraph pageId="0" pageNumber="81">Material examined.</paragraph>
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<paragraph pageId="0" pageNumber="81">
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<emphasis bold="true" italics="true" pageId="0" pageNumber="81">Holotype</emphasis>
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: ov. ♂ cl. 2.7 mm (MZB Cru 5050), Indonesia, Central Sulawesi, Lake Poso, at Taipa, H-G. Evers leg., 26 Sep. 2010.
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<emphasis bold="true" pageId="0" pageNumber="81">Paratypes</emphasis>
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: 2 ov. ♀♀ cl. 2.9 and 3.1 mm, 3 ♀♀ cl. 3.0-3.1 mm, 2 ♂♂ cl. 2.6 and 2.7 mm (ZMB 29624), same data as holotype; 5 ov. ♀♀ cl. 3.2-3.4 mm, 5 ♂♂ cl. 2.7-3.2 mm (MZB Cru 5051), 5 ov. ♀♀ cl. 3.3-3.8 mm, 2 ♂♂ cl. 3.1 and 3.2 mm (ZMB 29621), Lake Poso, E shore, "Sulawesi Rock",
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<geoCoordinate degrees="1" direction="south" minutes="56.102" orientation="latitude" precision="1" value="-1.9350333">1°56.102'S</geoCoordinate>
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,
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<geoCoordinate degrees="120" direction="east" minutes="40.402" orientation="longitude" precision="1" value="120.67337">120°40.402'E</geoCoordinate>
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, J. Pfaender and T. von Rintelen leg., 22 Sep. 2015; 5 ♂♂ cl. 2.4-2.7 mm (MZB Cru 5052), 1 ov. ♀ cl. 3.1 mm, 4 ♂♂ cl. 2.6-2.9 mm (ZMB 28063), Lake Poso, W shore,
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<geoCoordinate degrees="1" direction="south" minutes="56.67" orientation="latitude" precision="9" value="-1.9445">1°56.67'S</geoCoordinate>
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,
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<geoCoordinate degrees="120" direction="east" minutes="33.925" orientation="longitude" precision="1" value="120.565414">120°33.925'E</geoCoordinate>
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, B. Stelbrink leg., 07 Sep. 2012.
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</paragraph>
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<paragraph pageId="0" pageNumber="81">
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<emphasis bold="true" italics="true" pageId="0" pageNumber="81">Other material</emphasis>
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: 1 ♂ cl. 2.7 mm (ZMB 29766), aquarium reared specimen, preserved on 08 Oct. 2015 by W. Klotz.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="81" type="description">
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<paragraph pageId="0" pageNumber="81">Description.</paragraph>
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<paragraph pageId="0" pageNumber="81">
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<emphasis bold="true" italics="true" pageId="0" pageNumber="81">Cephalothorax and cephalic appendages.</emphasis>
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Postorbital carapace length 2.6-3.8 mm (n = 36). Rostrum (Fig.
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<figureCitation captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. Caridina poso sp. nov. Morphology 1. ♂, cl. 2.7 mm, ZMB 29766 A cephalothorax and cephalic appendages D preanal carina E uropodal diaeresis F, G telson; paratype ♂, cl. 2.7 mm, ZMB 29624 B rostrum H scaphocerite I mandible J maxillula K maxilla L first maxilliped M palp of first maxilliped; paratype ov. ♀, cl. 3.4 mm, MZB Cru 5051 C Rostrum. Scale bars: 1 mm (A-C, F, H, I); 0.5 mm (D, E, G, J-L); 0.1 mm (M)." figureDoi="10.3897/zookeys.1009.54303.figure13" httpUri="https://binary.pensoft.net/fig/493870" pageId="0" pageNumber="81">13A-C</figureCitation>
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) very long and slender, curved upwards, reaching far beyond end of scaphocerite, distal 0.5 to 0.8 unarmed, ventral margin armed throughout, most proximal tooth placed below third tooth of dorsal margin in most specimens, 1.35-2.75 (median 2.01, n = 23) times as long as carapace, rostral formula 3-5(4) + 8-14 / 19-37. Orbital margin fused with an antennal spine. Pterygostomial angle broadly rounded. Eyes well developed with globular cornea. Antennular peduncle (Fig.
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<figureCitation captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. Caridina poso sp. nov. Morphology 1. ♂, cl. 2.7 mm, ZMB 29766 A cephalothorax and cephalic appendages D preanal carina E uropodal diaeresis F, G telson; paratype ♂, cl. 2.7 mm, ZMB 29624 B rostrum H scaphocerite I mandible J maxillula K maxilla L first maxilliped M palp of first maxilliped; paratype ov. ♀, cl. 3.4 mm, MZB Cru 5051 C Rostrum. Scale bars: 1 mm (A-C, F, H, I); 0.5 mm (D, E, G, J-L); 0.1 mm (M)." figureDoi="10.3897/zookeys.1009.54303.figure13" httpUri="https://binary.pensoft.net/fig/493870" pageId="0" pageNumber="81">13A, C</figureCitation>
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), 0.97-1.03 (median 1.01, n = 4) times as long as carapace in females, 1.07-1.19 (median 1.16, n = 4) times as long as carapace in males, first segment 1.48-1.78 (median 1.55, n = 5) times as long as second segment, second segment 2.25-2.88 (median 2.44, n = 5) times longer than third segment. Stylocerite reaching to 0.78-0.88 (median 0.83, n = 4) of first segment of antennular peduncle. Scaphocerite (Fig.
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<figureCitation captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. Caridina poso sp. nov. Morphology 1. ♂, cl. 2.7 mm, ZMB 29766 A cephalothorax and cephalic appendages D preanal carina E uropodal diaeresis F, G telson; paratype ♂, cl. 2.7 mm, ZMB 29624 B rostrum H scaphocerite I mandible J maxillula K maxilla L first maxilliped M palp of first maxilliped; paratype ov. ♀, cl. 3.4 mm, MZB Cru 5051 C Rostrum. Scale bars: 1 mm (A-C, F, H, I); 0.5 mm (D, E, G, J-L); 0.1 mm (M)." figureDoi="10.3897/zookeys.1009.54303.figure13" httpUri="https://binary.pensoft.net/fig/493870" pageId="0" pageNumber="81">13H</figureCitation>
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) 4.30-5.33 (median 4.75, n = 6) times as long as wide.
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</paragraph>
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<caption doi="10.3897/zookeys.1009.54303.figure13" httpUri="https://binary.pensoft.net/fig/493870" pageId="0" pageNumber="81" start="Figure 13" startId="F13">
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<paragraph pageId="0" pageNumber="81">
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<emphasis bold="true" pageId="0" pageNumber="81">Figure 13.</emphasis>
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<taxonomicName authorityName="Klotz, Wowor & K. von Rintelen" authorityYear="2021" class="Malacostraca" family="Atyidae" genus="Caridina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Caridina poso" order="Decapoda" pageId="0" pageNumber="81" phylum="Arthropoda" rank="species" species="poso">
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<emphasis italics="true" pageId="0" pageNumber="81">Caridina poso</emphasis>
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</taxonomicName>
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sp. nov. Morphology 1. ♂, cl. 2.7 mm, ZMB 29766
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<emphasis bold="true" pageId="0" pageNumber="81">A</emphasis>
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cephalothorax and cephalic appendages
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<emphasis bold="true" pageId="0" pageNumber="81">D</emphasis>
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preanal carina
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<emphasis bold="true" pageId="0" pageNumber="81">E</emphasis>
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uropodal diaeresis
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<emphasis bold="true" pageId="0" pageNumber="81">F, G</emphasis>
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telson; paratype ♂, cl. 2.7 mm, ZMB 29624
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<emphasis bold="true" pageId="0" pageNumber="81">B</emphasis>
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rostrum
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<emphasis bold="true" pageId="0" pageNumber="81">H</emphasis>
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scaphocerite
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<emphasis bold="true" pageId="0" pageNumber="81">I</emphasis>
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mandible
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<emphasis bold="true" pageId="0" pageNumber="81">J</emphasis>
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maxillula
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<emphasis bold="true" pageId="0" pageNumber="81">K</emphasis>
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maxilla
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<emphasis bold="true" pageId="0" pageNumber="81">L</emphasis>
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first maxilliped
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<emphasis bold="true" pageId="0" pageNumber="81">M</emphasis>
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palp of first maxilliped; paratype ov. ♀, cl. 3.4 mm, MZB Cru 5051
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<emphasis bold="true" pageId="0" pageNumber="81">C</emphasis>
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Rostrum. Scale bars: 1 mm (
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<emphasis bold="true" pageId="0" pageNumber="81">A-C, F, H, I</emphasis>
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); 0.5 mm (
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<emphasis bold="true" pageId="0" pageNumber="81">D, E, G, J-L</emphasis>
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); 0.1 mm (
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<emphasis bold="true" pageId="0" pageNumber="81">M</emphasis>
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).
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</paragraph>
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</caption>
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<paragraph pageId="0" pageNumber="81">
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<emphasis bold="true" italics="true" pageId="0" pageNumber="81">Abdominal somites, telson and uropods.</emphasis>
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Sixth abdominal somite 0.60-0.76 (median 0.67, n = 12) times carapace length, 1.70-2.18 (median 1.95, n = 11) times as long as fifth somite, 0.93-1.11 (median 1.08, n = 9) times as long as telson. Telson (Fig.
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<figureCitation captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. Caridina poso sp. nov. Morphology 1. ♂, cl. 2.7 mm, ZMB 29766 A cephalothorax and cephalic appendages D preanal carina E uropodal diaeresis F, G telson; paratype ♂, cl. 2.7 mm, ZMB 29624 B rostrum H scaphocerite I mandible J maxillula K maxilla L first maxilliped M palp of first maxilliped; paratype ov. ♀, cl. 3.4 mm, MZB Cru 5051 C Rostrum. Scale bars: 1 mm (A-C, F, H, I); 0.5 mm (D, E, G, J-L); 0.1 mm (M)." figureDoi="10.3897/zookeys.1009.54303.figure13" httpUri="https://binary.pensoft.net/fig/493870" pageId="0" pageNumber="81">13F, G</figureCitation>
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) 3.19-3.83 (median 3.50, n = 3) times as long as proximal wide, 5.73-6.42 (median 6.13, n = 3) times as long as distal wide, distal margin convex without a median projection, with three or four pairs of short spiniform setae dorsally and one pair of short spiniform setae dorsolaterally; distal end with 6-8 long spiniform setae, lateral pair slightly longer than others, innermost pair very tiny. Preanal carina (Fig.
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<figureCitation captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. Caridina poso sp. nov. Morphology 1. ♂, cl. 2.7 mm, ZMB 29766 A cephalothorax and cephalic appendages D preanal carina E uropodal diaeresis F, G telson; paratype ♂, cl. 2.7 mm, ZMB 29624 B rostrum H scaphocerite I mandible J maxillula K maxilla L first maxilliped M palp of first maxilliped; paratype ov. ♀, cl. 3.4 mm, MZB Cru 5051 C Rostrum. Scale bars: 1 mm (A-C, F, H, I); 0.5 mm (D, E, G, J-L); 0.1 mm (M)." figureDoi="10.3897/zookeys.1009.54303.figure13" httpUri="https://binary.pensoft.net/fig/493870" pageId="0" pageNumber="81">13D</figureCitation>
|
|||
|
|
) with a hook-like spine. Uropodal diaeresis (Fig.
|
|||
|
|
<figureCitation captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. Caridina poso sp. nov. Morphology 1. ♂, cl. 2.7 mm, ZMB 29766 A cephalothorax and cephalic appendages D preanal carina E uropodal diaeresis F, G telson; paratype ♂, cl. 2.7 mm, ZMB 29624 B rostrum H scaphocerite I mandible J maxillula K maxilla L first maxilliped M palp of first maxilliped; paratype ov. ♀, cl. 3.4 mm, MZB Cru 5051 C Rostrum. Scale bars: 1 mm (A-C, F, H, I); 0.5 mm (D, E, G, J-L); 0.1 mm (M)." figureDoi="10.3897/zookeys.1009.54303.figure13" httpUri="https://binary.pensoft.net/fig/493870" pageId="0" pageNumber="81">13E</figureCitation>
|
|||
|
|
) with 10-12 short movable spiniform setae, outermost ones shorter than lateral angle.
|
|||
|
|
</paragraph>
|
|||
|
|
<paragraph pageId="0" pageNumber="81">
|
|||
|
|
<emphasis bold="true" italics="true" pageId="0" pageNumber="81">Mouthparts and branchiae.</emphasis>
|
|||
|
|
Incisor process of mandible (Fig.
|
|||
|
|
<figureCitation captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. Caridina poso sp. nov. Morphology 1. ♂, cl. 2.7 mm, ZMB 29766 A cephalothorax and cephalic appendages D preanal carina E uropodal diaeresis F, G telson; paratype ♂, cl. 2.7 mm, ZMB 29624 B rostrum H scaphocerite I mandible J maxillula K maxilla L first maxilliped M palp of first maxilliped; paratype ov. ♀, cl. 3.4 mm, MZB Cru 5051 C Rostrum. Scale bars: 1 mm (A-C, F, H, I); 0.5 mm (D, E, G, J-L); 0.1 mm (M)." figureDoi="10.3897/zookeys.1009.54303.figure13" httpUri="https://binary.pensoft.net/fig/493870" pageId="0" pageNumber="81">13I</figureCitation>
|
|||
|
|
) ending in irregular teeth, molar process truncated. Lower lacinia of maxillula (Fig.
|
|||
|
|
<figureCitation captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. Caridina poso sp. nov. Morphology 1. ♂, cl. 2.7 mm, ZMB 29766 A cephalothorax and cephalic appendages D preanal carina E uropodal diaeresis F, G telson; paratype ♂, cl. 2.7 mm, ZMB 29624 B rostrum H scaphocerite I mandible J maxillula K maxilla L first maxilliped M palp of first maxilliped; paratype ov. ♀, cl. 3.4 mm, MZB Cru 5051 C Rostrum. Scale bars: 1 mm (A-C, F, H, I); 0.5 mm (D, E, G, J-L); 0.1 mm (M)." figureDoi="10.3897/zookeys.1009.54303.figure13" httpUri="https://binary.pensoft.net/fig/493870" pageId="0" pageNumber="81">13J</figureCitation>
|
|||
|
|
) broadly rounded, upper lacinia elongate, with numerous distinct teeth on inner margin, palp slender with few pappose setae and one conical spiniform seta near tip. Upper endites of maxilla (Fig.
|
|||
|
|
<figureCitation captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. Caridina poso sp. nov. Morphology 1. ♂, cl. 2.7 mm, ZMB 29766 A cephalothorax and cephalic appendages D preanal carina E uropodal diaeresis F, G telson; paratype ♂, cl. 2.7 mm, ZMB 29624 B rostrum H scaphocerite I mandible J maxillula K maxilla L first maxilliped M palp of first maxilliped; paratype ov. ♀, cl. 3.4 mm, MZB Cru 5051 C Rostrum. Scale bars: 1 mm (A-C, F, H, I); 0.5 mm (D, E, G, J-L); 0.1 mm (M)." figureDoi="10.3897/zookeys.1009.54303.figure13" httpUri="https://binary.pensoft.net/fig/493870" pageId="0" pageNumber="81">13K</figureCitation>
|
|||
|
|
) subdivided, palp slender, scaphognathite tapering posteriorly, fringed with long, curved setae at posterior margin. End of palp of first maxilliped triangular (Fig.
|
|||
|
|
<figureCitation captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. Caridina poso sp. nov. Morphology 1. ♂, cl. 2.7 mm, ZMB 29766 A cephalothorax and cephalic appendages D preanal carina E uropodal diaeresis F, G telson; paratype ♂, cl. 2.7 mm, ZMB 29624 B rostrum H scaphocerite I mandible J maxillula K maxilla L first maxilliped M palp of first maxilliped; paratype ov. ♀, cl. 3.4 mm, MZB Cru 5051 C Rostrum. Scale bars: 1 mm (A-C, F, H, I); 0.5 mm (D, E, G, J-L); 0.1 mm (M)." figureDoi="10.3897/zookeys.1009.54303.figure13" httpUri="https://binary.pensoft.net/fig/493870" pageId="0" pageNumber="81">13L, M</figureCitation>
|
|||
|
|
). Podobranch on second maxilliped (Fig.
|
|||
|
|
<figureCitation captionStart="Figure 14" captionStartId="F14" captionText="Figure 14. Caridina poso sp. nov. Morphology 2. Paratype ♂, cl. 2.7 mm, ZMB 29624 A second maxilliped B third maxilliped C first pereiopod D second pereiopod E third pereiopod F dactylus of third pereiopod G fifth pereiopod H dactylus of fifth pereiopod; ♂, cl. 2.7 mm, ZMB 29766 I endopod of male first pleopod J appendix masculina on male second pleopod. Scale bars: 0.5 mm (A, F-J); 1 mm (B-E)." figureDoi="10.3897/zookeys.1009.54303.figure14" httpUri="https://binary.pensoft.net/fig/493871" pageId="0" pageNumber="81">14A</figureCitation>
|
|||
|
|
) reduced to a lamina. Third maxilliped (Fig.
|
|||
|
|
<figureCitation captionStart="Figure 14" captionStartId="F14" captionText="Figure 14. Caridina poso sp. nov. Morphology 2. Paratype ♂, cl. 2.7 mm, ZMB 29624 A second maxilliped B third maxilliped C first pereiopod D second pereiopod E third pereiopod F dactylus of third pereiopod G fifth pereiopod H dactylus of fifth pereiopod; ♂, cl. 2.7 mm, ZMB 29766 I endopod of male first pleopod J appendix masculina on male second pleopod. Scale bars: 0.5 mm (A, F-J); 1 mm (B-E)." figureDoi="10.3897/zookeys.1009.54303.figure14" httpUri="https://binary.pensoft.net/fig/493871" pageId="0" pageNumber="81">14B</figureCitation>
|
|||
|
|
) with two arthrobranchs, ultimate segment of maxilliped shorter than penultimate segment. First pereiopod with an arthrobranch. Pleurobranchs present on all pereiopods. Epipod vestigial on third maxilliped, absent from all pereiopods.
|
|||
|
|
</paragraph>
|
|||
|
|
<paragraph pageId="0" pageNumber="81">
|
|||
|
|
<emphasis bold="true" pageId="0" pageNumber="81">
|
|||
|
|
<taxonomicName genus="Pereiopods" lsidName="Pereiopods" pageId="0" pageNumber="81" rank="genus">
|
|||
|
|
<emphasis italics="true" pageId="0" pageNumber="81">Pereiopods</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
.
|
|||
|
|
</emphasis>
|
|||
|
|
Chelae of first and second pereiopods (Fig.
|
|||
|
|
<figureCitation captionStart="Figure 14" captionStartId="F14" captionText="Figure 14. Caridina poso sp. nov. Morphology 2. Paratype ♂, cl. 2.7 mm, ZMB 29624 A second maxilliped B third maxilliped C first pereiopod D second pereiopod E third pereiopod F dactylus of third pereiopod G fifth pereiopod H dactylus of fifth pereiopod; ♂, cl. 2.7 mm, ZMB 29766 I endopod of male first pleopod J appendix masculina on male second pleopod. Scale bars: 0.5 mm (A, F-J); 1 mm (B-E)." figureDoi="10.3897/zookeys.1009.54303.figure14" httpUri="https://binary.pensoft.net/fig/493871" pageId="0" pageNumber="81">14C, D</figureCitation>
|
|||
|
|
) well developed; chela of first pereiopod 3.11-3.36 (median 3.13, n = 5) times as long as wide, 0.95-1.21 (median 1.13, n = 5) times length of carpus; tips of fingers (Fig.
|
|||
|
|
<figureCitation captionStart="Figure 14" captionStartId="F14" captionText="Figure 14. Caridina poso sp. nov. Morphology 2. Paratype ♂, cl. 2.7 mm, ZMB 29624 A second maxilliped B third maxilliped C first pereiopod D second pereiopod E third pereiopod F dactylus of third pereiopod G fifth pereiopod H dactylus of fifth pereiopod; ♂, cl. 2.7 mm, ZMB 29766 I endopod of male first pleopod J appendix masculina on male second pleopod. Scale bars: 0.5 mm (A, F-J); 1 mm (B-E)." figureDoi="10.3897/zookeys.1009.54303.figure14" httpUri="https://binary.pensoft.net/fig/493871" pageId="0" pageNumber="81">14C</figureCitation>
|
|||
|
|
) rounded, without hooks, with tufts of hairs near tip; dactylus 2.00-2.50 (median 2.00, n = 5) times as long as palm; carpus slender, hardly excavated distally, 3.13-4.33 (median 3.76, n = 5) times as long as wide, 1.29-1.56 (median 1.45, n = 5) times length of merus. Merus 3.13-3.63 (median 3.38, n = 5) times as long as wide, 0.81-0.88 (median 0.85, n = 5) times as long as ischium. Chela of second pereiopod 3.23-3.91 (median 3.71, n = 6) times as long as wide, 0.67-0.84 (median 0.76, n = 6) times length of carpus; tips of fingers rounded, without hooks, with tufts of hairs near tip; dactylus 1.47-2.29 (median 2.00, n = 6) times as long as palm; carpus 6.50-8.38 (median 7.29, n = 6) times as long as wide, 1.38-1.63 (median 1.53, n = 6) times as long as merus; merus 5.08-6.43 (median 5.71, n = 6) times as long as wide, 0.86-0.96 (median 0.87, n = 6) times as long as ischium. Third pereiopod (Fig.
|
|||
|
|
<figureCitation captionStart="Figure 14" captionStartId="F14" captionText="Figure 14. Caridina poso sp. nov. Morphology 2. Paratype ♂, cl. 2.7 mm, ZMB 29624 A second maxilliped B third maxilliped C first pereiopod D second pereiopod E third pereiopod F dactylus of third pereiopod G fifth pereiopod H dactylus of fifth pereiopod; ♂, cl. 2.7 mm, ZMB 29766 I endopod of male first pleopod J appendix masculina on male second pleopod. Scale bars: 0.5 mm (A, F-J); 1 mm (B-E)." figureDoi="10.3897/zookeys.1009.54303.figure14" httpUri="https://binary.pensoft.net/fig/493871" pageId="0" pageNumber="81">14E, F</figureCitation>
|
|||
|
|
) not sexually dimorphic, dactylus 3.11-4.67 (median 3.86, n = 5) times as long as wide (terminal claw and spiniform setae on flexor margin included), terminating in one large claw with 5-7 short spiniform setae on flexor margin; propodus very slender, 16.50-19.11 (median 18.71, n = 6) times as long as wide, 4.78-6.00 (median 5.12, n = 6) times as long as dactylus; carpus 8.73-10.40 (median 9.50, n = 6) times as long as wide, 0.64-0.72 (median 0.70, n = 6) times as long as propodus; merus slender, 11.25-13.93 (median 12.31, n = 6) times as long as wide, 1.54-1.71 (median 1.66, n = 6) times as long as carpus, bearing 4 strong spiniform setae on posterior margin of outer surface. Ischium with one spiniform seta. Fifth pereiopod (Fig.
|
|||
|
|
<figureCitation captionStart="Figure 14" captionStartId="F14" captionText="Figure 14. Caridina poso sp. nov. Morphology 2. Paratype ♂, cl. 2.7 mm, ZMB 29624 A second maxilliped B third maxilliped C first pereiopod D second pereiopod E third pereiopod F dactylus of third pereiopod G fifth pereiopod H dactylus of fifth pereiopod; ♂, cl. 2.7 mm, ZMB 29766 I endopod of male first pleopod J appendix masculina on male second pleopod. Scale bars: 0.5 mm (A, F-J); 1 mm (B-E)." figureDoi="10.3897/zookeys.1009.54303.figure14" httpUri="https://binary.pensoft.net/fig/493871" pageId="0" pageNumber="81">14G, H</figureCitation>
|
|||
|
|
) slender, dactylus 2.43-4.67 (median 3.69, n = 6) times as long as wide (terminal claw and serrate setae on flexor margin included), terminating in one large claw, with 30-34 serrate setae on flexor margin; propodus slender, 15.80-21.50 (median 16.97, n = 6) times as long as wide, 4.41-5.28 (median 4.73, n = 6) times length of dactylus, carpus 7.27-10.40 (median 8.30, n = 6) times as long as wide, 0.51-0.61 (median 0.59, n = 6) times as long as propodus; merus slender, 11.50-12.92 (median 11.74, n = 6) times as long as wide, 1.35-1.63 (median 1.50, n = 6) times length of carpus, bearing four or five strong spiniform setae on posterior margin of outer surface. Ischium without a strong spiniform seta.
|
|||
|
|
</paragraph>
|
|||
|
|
<caption doi="10.3897/zookeys.1009.54303.figure14" httpUri="https://binary.pensoft.net/fig/493871" pageId="0" pageNumber="81" start="Figure 14" startId="F14">
|
|||
|
|
<paragraph pageId="0" pageNumber="81">
|
|||
|
|
<emphasis bold="true" pageId="0" pageNumber="81">Figure 14.</emphasis>
|
|||
|
|
<taxonomicName authorityName="Klotz, Wowor & K. von Rintelen" authorityYear="2021" class="Malacostraca" family="Atyidae" genus="Caridina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Caridina poso" order="Decapoda" pageId="0" pageNumber="81" phylum="Arthropoda" rank="species" species="poso">
|
|||
|
|
<emphasis italics="true" pageId="0" pageNumber="81">Caridina poso</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
sp. nov. Morphology 2. Paratype ♂, cl. 2.7 mm, ZMB 29624
|
|||
|
|
<emphasis bold="true" pageId="0" pageNumber="81">A</emphasis>
|
|||
|
|
second maxilliped
|
|||
|
|
<emphasis bold="true" pageId="0" pageNumber="81">B</emphasis>
|
|||
|
|
third maxilliped
|
|||
|
|
<emphasis bold="true" pageId="0" pageNumber="81">C</emphasis>
|
|||
|
|
first pereiopod
|
|||
|
|
<emphasis bold="true" pageId="0" pageNumber="81">D</emphasis>
|
|||
|
|
second pereiopod
|
|||
|
|
<emphasis bold="true" pageId="0" pageNumber="81">E</emphasis>
|
|||
|
|
third pereiopod
|
|||
|
|
<emphasis bold="true" pageId="0" pageNumber="81">F</emphasis>
|
|||
|
|
dactylus of third pereiopod
|
|||
|
|
<emphasis bold="true" pageId="0" pageNumber="81">G</emphasis>
|
|||
|
|
fifth pereiopod
|
|||
|
|
<emphasis bold="true" pageId="0" pageNumber="81">H</emphasis>
|
|||
|
|
dactylus of fifth pereiopod; ♂, cl. 2.7 mm, ZMB 29766
|
|||
|
|
<emphasis bold="true" pageId="0" pageNumber="81">I</emphasis>
|
|||
|
|
endopod of male first pleopod
|
|||
|
|
<emphasis bold="true" pageId="0" pageNumber="81">J</emphasis>
|
|||
|
|
appendix masculina on male second pleopod. Scale bars: 0.5 mm (
|
|||
|
|
<emphasis bold="true" pageId="0" pageNumber="81">A, F-J</emphasis>
|
|||
|
|
); 1 mm (
|
|||
|
|
<emphasis bold="true" pageId="0" pageNumber="81">B-E</emphasis>
|
|||
|
|
).
|
|||
|
|
</paragraph>
|
|||
|
|
</caption>
|
|||
|
|
<paragraph pageId="0" pageNumber="81">
|
|||
|
|
<emphasis bold="true" pageId="0" pageNumber="81">
|
|||
|
|
<emphasis italics="true" pageId="0" pageNumber="81">Pleopods</emphasis>
|
|||
|
|
.
|
|||
|
|
</emphasis>
|
|||
|
|
Endopod of male first pleopod (Fig.
|
|||
|
|
<figureCitation captionStart="Figure 14" captionStartId="F14" captionText="Figure 14. Caridina poso sp. nov. Morphology 2. Paratype ♂, cl. 2.7 mm, ZMB 29624 A second maxilliped B third maxilliped C first pereiopod D second pereiopod E third pereiopod F dactylus of third pereiopod G fifth pereiopod H dactylus of fifth pereiopod; ♂, cl. 2.7 mm, ZMB 29766 I endopod of male first pleopod J appendix masculina on male second pleopod. Scale bars: 0.5 mm (A, F-J); 1 mm (B-E)." figureDoi="10.3897/zookeys.1009.54303.figure14" httpUri="https://binary.pensoft.net/fig/493871" pageId="0" pageNumber="81">14I</figureCitation>
|
|||
|
|
) subtriangular, without an appendix interna, 1.77-2.27 (median 1.83, n = 3) times as long as proximal width, 0.21-0.27 (median 0.23, n = 3) times as long as exopod. Appendix masculina on male second pleopod (Fig.
|
|||
|
|
<figureCitation captionStart="Figure 14" captionStartId="F14" captionText="Figure 14. Caridina poso sp. nov. Morphology 2. Paratype ♂, cl. 2.7 mm, ZMB 29624 A second maxilliped B third maxilliped C first pereiopod D second pereiopod E third pereiopod F dactylus of third pereiopod G fifth pereiopod H dactylus of fifth pereiopod; ♂, cl. 2.7 mm, ZMB 29766 I endopod of male first pleopod J appendix masculina on male second pleopod. Scale bars: 0.5 mm (A, F-J); 1 mm (B-E)." figureDoi="10.3897/zookeys.1009.54303.figure14" httpUri="https://binary.pensoft.net/fig/493871" pageId="0" pageNumber="81">14J</figureCitation>
|
|||
|
|
) slender, rod-shaped, 7.25-10.50 (median 7.67, n = 3) times as long as wide, with long spiniform setae on inner and distal margin, a few pappose setae on basal part, appendix interna reaching to ~ 0.65-0.90 (median 0.85, n = 3) of appendix masculina.
|
|||
|
|
</paragraph>
|
|||
|
|
</subSubSection>
|
|||
|
|
<subSubSection pageId="0" pageNumber="81" type="colouration">
|
|||
|
|
<paragraph pageId="0" pageNumber="81">Colouration.</paragraph>
|
|||
|
|
<paragraph pageId="0" pageNumber="81">
|
|||
|
|
Body and legs mottled with reddish and white dots arranged in rows, exopod of uropods with a black and white blotch, antennae dark red, chelae white with red fingers (Fig.
|
|||
|
|
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Living specimens of Caridina spp in Lake Poso 2. A, B Caridina mayamareenae sp. nov. C C. lilianae sp. nov. D Two snail species Celetaia persculpta and Tylomelania sp. on soft substrate. Empty shells of these species are shelter for C. mayamareenae sp. nov. E, F C. poso sp. nov. G C. marlenae sp. nov. H C. fusca sp. nov. Not to scale. All photographs: W. Klotz." figureDoi="10.3897/zookeys.1009.54303.figure3" httpUri="https://binary.pensoft.net/fig/493860" pageId="0" pageNumber="81">3E, F</figureCitation>
|
|||
|
|
).
|
|||
|
|
</paragraph>
|
|||
|
|
</subSubSection>
|
|||
|
|
<subSubSection pageId="0" pageNumber="81" type="reproductive biology and larval development">
|
|||
|
|
<paragraph pageId="0" pageNumber="81">Reproductive biology and larval development.</paragraph>
|
|||
|
|
<paragraph pageId="0" pageNumber="81">
|
|||
|
|
Ovigerous females with few, large eggs (5 and 9, n = 2). Size of eggs 0.96-1.11
|
|||
|
|
<normalizedToken originalValue="×">x</normalizedToken>
|
|||
|
|
0.56-0.66 mm (n = 9).
|
|||
|
|
</paragraph>
|
|||
|
|
</subSubSection>
|
|||
|
|
<subSubSection pageId="0" pageNumber="81" type="etymology">
|
|||
|
|
<paragraph pageId="0" pageNumber="81">Etymology.</paragraph>
|
|||
|
|
<paragraph pageId="0" pageNumber="81">The specific name is a noun in apposition after the type locality, Lake Poso.</paragraph>
|
|||
|
|
</subSubSection>
|
|||
|
|
<subSubSection pageId="0" pageNumber="81" type="distribution">
|
|||
|
|
<paragraph pageId="0" pageNumber="81">Distribution.</paragraph>
|
|||
|
|
<paragraph pageId="0" pageNumber="81">
|
|||
|
|
<taxonomicName authorityName="Klotz, Wowor & K. von Rintelen" authorityYear="2021" class="Malacostraca" family="Atyidae" genus="Caridina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Caridina poso" order="Decapoda" pageId="0" pageNumber="81" phylum="Arthropoda" rank="species" species="poso">
|
|||
|
|
<emphasis italics="true" pageId="0" pageNumber="81">Caridina poso</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
sp. nov. is endemic to Lake Poso. Specimens were found at three localities within the lake, one at the east shore and two at the west shore.
|
|||
|
|
</paragraph>
|
|||
|
|
</subSubSection>
|
|||
|
|
<subSubSection pageId="0" pageNumber="81" type="ecology">
|
|||
|
|
<paragraph pageId="0" pageNumber="81">Ecology.</paragraph>
|
|||
|
|
<paragraph pageId="0" pageNumber="81">
|
|||
|
|
<taxonomicName authorityName="Klotz, Wowor & K. von Rintelen" authorityYear="2021" class="Malacostraca" family="Atyidae" genus="Caridina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Caridina poso" order="Decapoda" pageId="0" pageNumber="81" phylum="Arthropoda" rank="species" species="poso">
|
|||
|
|
<emphasis italics="true" pageId="0" pageNumber="81">Caridina poso</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
sp. nov. lives in packs of debris (small to medium-sized stones) close to the shore of the Lake Poso and thus could be considered a hard substrate dweller as defined in
|
|||
|
|
<bibRefCitation author="von Rintelen, K" journalOrPublisher="The Raffles Bulletin of Zoology" pageId="0" pageNumber="81" pagination="343 - 452" refId="B27" refString="von Rintelen, K, Cai, Y, 2009. Radiation of endemic species flocks in ancient lakes: Systematic revision of the freshwater shrimp Caridina H. Milne Edwards, 1837 (Crustacea: Decapoda: Atyidae) from the ancient lakes of Sulawesi, Indonesia, with the description of eight new species. The Raffles Bulletin of Zoology 57: 343 - 452" title="Radiation of endemic species flocks in ancient lakes: Systematic revision of the freshwater shrimp Caridina H. Milne Edwards, 1837 (Crustacea: Decapoda: Atyidae) from the ancient lakes of Sulawesi, Indonesia, with the description of eight new species." volume="57" year="2009">von Rintelen and Cai (2009)</bibRefCitation>
|
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. The species was never found on soft substrates such as dead leaves, wood or water plants.
|
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</paragraph>
|
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</subSubSection>
|
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<subSubSection pageId="0" pageNumber="81" type="remarks">
|
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<paragraph pageId="0" pageNumber="81">Remarks.</paragraph>
|
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<paragraph pageId="0" pageNumber="81">
|
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|
With its long and upturned rostrum,
|
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<taxonomicName lsidName="C. poso" pageId="0" pageNumber="81" rank="species" species="poso">
|
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|
<emphasis italics="true" pageId="0" pageNumber="81">C. poso</emphasis>
|
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</taxonomicName>
|
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|
sp. nov. is similar to
|
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|
|
<taxonomicName lsidName="C. ensifera" pageId="0" pageNumber="81" rank="species" species="ensifera">
|
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<emphasis italics="true" pageId="0" pageNumber="81">C. ensifera</emphasis>
|
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</taxonomicName>
|
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|
and
|
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<taxonomicName lsidName="C. caerulea" pageId="0" pageNumber="81" rank="species" species="caerulea">
|
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|
|
<emphasis italics="true" pageId="0" pageNumber="81">C. caerulea</emphasis>
|
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</taxonomicName>
|
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|
, two endemic species to Lake Poso. In the field, colouration alone is sufficient to differenciate
|
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<taxonomicName lsidName="C. poso" pageId="0" pageNumber="81" rank="species" species="poso">
|
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<emphasis italics="true" pageId="0" pageNumber="81">C. poso</emphasis>
|
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</taxonomicName>
|
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|
sp. nov. from these species. The much smaller species
|
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<taxonomicName lsidName="C. poso" pageId="0" pageNumber="81" rank="species" species="poso">
|
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|
<emphasis italics="true" pageId="0" pageNumber="81">C. poso</emphasis>
|
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</taxonomicName>
|
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|
|
sp. nov. (carapace length 2.6-3.8 mm) is showing black and white blotches on the exopod of the uropods. In the larger species
|
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|
|
<taxonomicName lsidName="C. ensifera" pageId="0" pageNumber="81" rank="species" species="ensifera">
|
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|
<emphasis italics="true" pageId="0" pageNumber="81">C. ensifera</emphasis>
|
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</taxonomicName>
|
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|
|
(cl. 3.5-5.3 mm), a dark red spot is seen on the exopod of the uropods. In
|
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|
|
<taxonomicName lsidName="C. caerulea" pageId="0" pageNumber="81" rank="species" species="caerulea">
|
|||
|
|
<emphasis italics="true" pageId="0" pageNumber="81">C. caerulea</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
(cl. 3.0-4.5 mm), the exopod of the uropods shows an elongate blue blotch (
|
|||
|
|
<bibRefCitation author="von Rintelen, K" journalOrPublisher="The Raffles Bulletin of Zoology" pageId="0" pageNumber="81" pagination="343 - 452" refId="B27" refString="von Rintelen, K, Cai, Y, 2009. Radiation of endemic species flocks in ancient lakes: Systematic revision of the freshwater shrimp Caridina H. Milne Edwards, 1837 (Crustacea: Decapoda: Atyidae) from the ancient lakes of Sulawesi, Indonesia, with the description of eight new species. The Raffles Bulletin of Zoology 57: 343 - 452" title="Radiation of endemic species flocks in ancient lakes: Systematic revision of the freshwater shrimp Caridina H. Milne Edwards, 1837 (Crustacea: Decapoda: Atyidae) from the ancient lakes of Sulawesi, Indonesia, with the description of eight new species." volume="57" year="2009">von Rintelen and Cai 2009</bibRefCitation>
|
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).
|
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|
|
</paragraph>
|
|||
|
|
<paragraph pageId="0" pageNumber="81">
|
|||
|
|
In preserved condition,
|
|||
|
|
<taxonomicName lsidName="C. poso" pageId="0" pageNumber="81" rank="species" species="poso">
|
|||
|
|
<emphasis italics="true" pageId="0" pageNumber="81">C. poso</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
sp. nov. can be distinguished from
|
|||
|
|
<taxonomicName lsidName="C. ensifera" pageId="0" pageNumber="81" rank="species" species="ensifera">
|
|||
|
|
<emphasis italics="true" pageId="0" pageNumber="81">C. ensifera</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
by the absence of epipods on all pereiopods (a vestigial epipod is present on third maxilliped vs. epipods well developed, with distal hooks on the third maxilliped and first and second pereiopods in
|
|||
|
|
<taxonomicName lsidName="C. ensifera" pageId="0" pageNumber="81" rank="species" species="ensifera">
|
|||
|
|
<emphasis italics="true" pageId="0" pageNumber="81">C. ensifera</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
) and by the higher number of postorbital teeth on the rostrum (3-5 (mode 4) vs. 1-3 (mode 2) in
|
|||
|
|
<taxonomicName lsidName="C. ensifera" pageId="0" pageNumber="81" rank="species" species="ensifera">
|
|||
|
|
<emphasis italics="true" pageId="0" pageNumber="81">C. ensifera</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
). Further,
|
|||
|
|
<taxonomicName lsidName="C. poso" pageId="0" pageNumber="81" rank="species" species="poso">
|
|||
|
|
<emphasis italics="true" pageId="0" pageNumber="81">C. poso</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
sp. nov. differs by its slender chelipeds (chela of first pereiopod 3.1-3.4 times as long as high vs. 2.0-2.8 times in
|
|||
|
|
<taxonomicName lsidName="C. ensifera" pageId="0" pageNumber="81" rank="species" species="ensifera">
|
|||
|
|
<emphasis italics="true" pageId="0" pageNumber="81">C. ensifera</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
, dactylus of first cheliped 2.0-2.5 times as long as palm vs. 1.0-1.3 times in
|
|||
|
|
<taxonomicName lsidName="C. ensifera" pageId="0" pageNumber="81" rank="species" species="ensifera">
|
|||
|
|
<emphasis italics="true" pageId="0" pageNumber="81">C. ensifera</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
, dactylus of second cheliped 1.5-2.3 times as long as palm vs. 1.2-1.4 times in
|
|||
|
|
<taxonomicName lsidName="C. ensifera" pageId="0" pageNumber="81" rank="species" species="ensifera">
|
|||
|
|
<emphasis italics="true" pageId="0" pageNumber="81">C. ensifera</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
) and slender third pair of pereiopods (propodus 16.5-19.1 times as long as wide vs. 10-13 times in
|
|||
|
|
<taxonomicName lsidName="C. ensifera" pageId="0" pageNumber="81" rank="species" species="ensifera">
|
|||
|
|
<emphasis italics="true" pageId="0" pageNumber="81">C. ensifera</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
, carpus 8.7-10.4 times as long as wide vs. 4.7-6.1 times in
|
|||
|
|
<taxonomicName lsidName="C. ensifera" pageId="0" pageNumber="81" rank="species" species="ensifera">
|
|||
|
|
<emphasis italics="true" pageId="0" pageNumber="81">C. ensifera</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
, merus 11.3-13.9 times as long as wide vs. 9.2-11.4 times in
|
|||
|
|
<taxonomicName lsidName="C. ensifera" pageId="0" pageNumber="81" rank="species" species="ensifera">
|
|||
|
|
<emphasis italics="true" pageId="0" pageNumber="81">C. ensifera</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
). In contrast, the dactyli of the fifth pereiopods are shorter (dactylus 2.4-4.7 times as long as wide vs. 5.4-7.0 times in
|
|||
|
|
<taxonomicName lsidName="C. ensifera" pageId="0" pageNumber="81" rank="species" species="ensifera">
|
|||
|
|
<emphasis italics="true" pageId="0" pageNumber="81">C. ensifera</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
, propodus 4.4-5.3 times as long as dactylus vs. 2.5-3.0 times in
|
|||
|
|
<taxonomicName lsidName="C. ensifera" pageId="0" pageNumber="81" rank="species" species="ensifera">
|
|||
|
|
<emphasis italics="true" pageId="0" pageNumber="81">C. ensifera</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
). The dactyli of fifth pereiopods are armed with a smaller number of serrate setae on the flexor margin (30-34 vs. 51-57 in
|
|||
|
|
<taxonomicName lsidName="C. ensifera" pageId="0" pageNumber="81" rank="species" species="ensifera">
|
|||
|
|
<emphasis italics="true" pageId="0" pageNumber="81">C. ensifera</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
).
|
|||
|
|
<taxonomicName authorityName="Klotz, Wowor & K. von Rintelen" authorityYear="2021" class="Malacostraca" family="Atyidae" genus="Caridina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Caridina poso" order="Decapoda" pageId="0" pageNumber="81" phylum="Arthropoda" rank="species" species="poso">
|
|||
|
|
<emphasis italics="true" pageId="0" pageNumber="81">Caridina poso</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
sp. nov. differs from
|
|||
|
|
<taxonomicName lsidName="C. caerulea" pageId="0" pageNumber="81" rank="species" species="caerulea">
|
|||
|
|
<emphasis italics="true" pageId="0" pageNumber="81">C. caerulea</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
by the absence of epipods on all pereiopods (a vestigial epipod is present on the third maxilliped) vs. epipods well developed (with distal hooks) on the third maxilliped and first and second pereiopods and the higher number of postorbital teeth on the rostrum (3-5 (mode 4) vs. 2-4 (mode 2)) in
|
|||
|
|
<taxonomicName lsidName="C. caerulea" pageId="0" pageNumber="81" rank="species" species="caerulea">
|
|||
|
|
<emphasis italics="true" pageId="0" pageNumber="81">C. caerulea</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
; further by its shorter telson (telson 0.6-0.7 times as long as carapace vs. 0.8 times in
|
|||
|
|
<taxonomicName lsidName="C. caerulea" pageId="0" pageNumber="81" rank="species" species="caerulea">
|
|||
|
|
<emphasis italics="true" pageId="0" pageNumber="81">C. caerulea</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
), by the slender chelipeds (chela of first pereiopod 3.1-3.4 times as long as high vs. 1.9-2.7 times in
|
|||
|
|
<taxonomicName lsidName="C. caerulea" pageId="0" pageNumber="81" rank="species" species="caerulea">
|
|||
|
|
<emphasis italics="true" pageId="0" pageNumber="81">C. caerulea</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
, dactylus of first cheliped 2.0-2.5 times as long as palm vs. 1.1-1.4 times in
|
|||
|
|
<taxonomicName lsidName="C. caerulea" pageId="0" pageNumber="81" rank="species" species="caerulea">
|
|||
|
|
<emphasis italics="true" pageId="0" pageNumber="81">C. caerulea</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
, carpus of first cheliped 3.1-4.3 times as long as wide vs. 2.1-2.5 times in
|
|||
|
|
<taxonomicName lsidName="C. caerulea" pageId="0" pageNumber="81" rank="species" species="caerulea">
|
|||
|
|
<emphasis italics="true" pageId="0" pageNumber="81">C. caerulea</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
; chela of second cheliped 3.2-3.9 times as long as wide vs. 2.1-3.2 times in
|
|||
|
|
<taxonomicName lsidName="C. caerulea" pageId="0" pageNumber="81" rank="species" species="caerulea">
|
|||
|
|
<emphasis italics="true" pageId="0" pageNumber="81">C. caerulea</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
, dactylus of second cheliped 1.5-2.3 times as long as palm vs. 1.3-1.6 times in
|
|||
|
|
<taxonomicName lsidName="C. caerulea" pageId="0" pageNumber="81" rank="species" species="caerulea">
|
|||
|
|
<emphasis italics="true" pageId="0" pageNumber="81">C. caerulea</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
, carpus of second cheliped 6.5-8.4 times as long as wide vs. 4.1-5.4 times in
|
|||
|
|
<taxonomicName lsidName="C. caerulea" pageId="0" pageNumber="81" rank="species" species="caerulea">
|
|||
|
|
<emphasis italics="true" pageId="0" pageNumber="81">C. caerulea</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
). The third pair of pereiopods is more slender (propodus 16.5-19.1 times as long as wide vs. 12.9-16.3 times in
|
|||
|
|
<taxonomicName lsidName="C. caerulea" pageId="0" pageNumber="81" rank="species" species="caerulea">
|
|||
|
|
<emphasis italics="true" pageId="0" pageNumber="81">C. caerulea</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
, carpus 8.7-10.4 times as long as wide vs. 5.9-8.0 times in
|
|||
|
|
<taxonomicName lsidName="C. caerulea" pageId="0" pageNumber="81" rank="species" species="caerulea">
|
|||
|
|
<emphasis italics="true" pageId="0" pageNumber="81">C. caerulea</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
, merus 11.3-13.9 times as long as wide vs. 9.4-11.8 times in
|
|||
|
|
<taxonomicName lsidName="C. caerulea" pageId="0" pageNumber="81" rank="species" species="caerulea">
|
|||
|
|
<emphasis italics="true" pageId="0" pageNumber="81">C. caerulea</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
). Merus of fifth pereiopod slender, 11.5-12.9 times as long as wide vs. 8.5-11.3 times in
|
|||
|
|
<taxonomicName lsidName="C. caerulea" pageId="0" pageNumber="81" rank="species" species="caerulea">
|
|||
|
|
<emphasis italics="true" pageId="0" pageNumber="81">C. caerulea</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
.
|
|||
|
|
</paragraph>
|
|||
|
|
</subSubSection>
|
|||
|
|
</treatment>
|
|||
|
|
</document>
|