274 lines
28 KiB
XML
274 lines
28 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.749.23165" ID-GBIF-Dataset="bfd2bd34-077c-41ba-85d7-49105d681f94" ID-PMC="PMC5904484" ID-Pensoft-Pub="1313-2970-749-1" ID-PubMed="29674920" ID-ZBK="F941B98FC5DB4784A676977496D7E472" ModsDocAuthor="" ModsDocDate="2018" ModsDocID="1313-2970-749-1" ModsDocOrigin="ZooKeys 749" ModsDocTitle="Seven new freshwater species of Gammarus from southern China (Crustacea, Amphipoda, Gammaridae)" checkinTime="1523392991472" checkinUser="pensoft" docAuthor="Hou, Zhonge, Zhao, Shuangyan & Li, Shuqiang" docDate="2018" docId="AC6E28486BD64876EDAB5019263C6C5F" docLanguage="en" docName="ZooKeys 749: 1-79" docOrigin="ZooKeys 749" docSource="http://dx.doi.org/10.3897/zookeys.749.23165" docTitle="Gammarus longdong Hou & Li, sp. n." docType="treatment" docUuid="0FF3D2CA-932A-4ABE-B222-22AE4922DC1B" docUuidSource="ZooBank" docVersion="5" lastPageNumber="23" masterDocId="FFA9FFBB6F2CFFFBC121FFD3FFFDAD60" masterDocTitle="Seven new freshwater species of Gammarus from southern China (Crustacea, Amphipoda, Gammaridae)" masterLastPageNumber="79" masterPageNumber="1" pageNumber="20" updateTime="1668165682425" 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>Seven new freshwater species of Gammarus from southern China (Crustacea, Amphipoda, Gammaridae)</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>Hou, Zhonge</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>Zhao, Shuangyan</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>Li, Shuqiang</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>2018</mods:date>
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<mods:detail type="volume">
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<mods:number>749</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>79</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/zookeys.749.23165</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.749.23165</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-749-1</mods:identifier>
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<mods:identifier type="ZBK">F941B98FC5DB4784A676977496D7E472</mods:identifier>
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<mods:identifier type="ZooBank">F941B98FC5DB4784A676977496D7E472</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="143536417" LSID="urn:lsid:zoobank.org:act:0FF3D2CA-932A-4ABE-B222-22AE4922DC1B" httpUri="http://treatment.plazi.org/id/AC6E28486BD64876EDAB5019263C6C5F" lastPageId="22" lastPageNumber="23" pageId="19" pageNumber="20">
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<subSubSection pageId="19" pageNumber="20" type="nomenclature">
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<paragraph pageId="19" pageNumber="20">
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<taxonomicName LSID="http://zoobank.org/0FF3D2CA-932A-4ABE-B222-22AE4922DC1B" authority="Hou & Li" class="Malacostraca" family="Gammaridae" genus="Gammarus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Gammarus longdong" order="Amphipoda" pageId="19" pageNumber="20" phylum="Arthropoda" rank="species" species="longdong">Gammarus longdong Hou & Li</taxonomicName>
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<taxonomicNameLabel pageId="19" pageNumber="20">sp. n.</taxonomicNameLabel>
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Figs 27, 28, 29, 30, 31, 32
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</paragraph>
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</subSubSection>
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<subSubSection pageId="19" pageNumber="20" type="materials_examined">
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<paragraph pageId="19" pageNumber="20">Material examined.</paragraph>
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<paragraph pageId="19" pageNumber="20">
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Holotype: male (IZCAS-I-A1566-1), 10.1 mm, Qinglong Cave (
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<geoCoordinate direction="east" orientation="longitude" precision="555" value="103.75">103.75°E</geoCoordinate>
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,
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<geoCoordinate direction="north" orientation="latitude" precision="555" value="27.69">27.69°N</geoCoordinate>
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), altitude 1289 m, Mohan Town, Daguan County, Zhaotong City, Yunnan Province, China, March 18, 2014, collected by Yunchun Li and Jincheng Liu. Paratype: female (IZCAS-I-A1566-2), 7.3 mm, same data as holotype.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="19" pageNumber="20" type="etymology">
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<paragraph pageId="19" pageNumber="20">Etymology.</paragraph>
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<paragraph pageId="19" pageNumber="20">
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The species name is taken from the Chinese word, "
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<taxonomicName lsidName="longdong" pageId="19" pageNumber="20" rank="species" species="longdong">longdong</taxonomicName>
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" meaning "Dragon Cave", referring to a cave filled with water; noun in apposition.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="19" pageNumber="20" type="diagnosis">
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<paragraph pageId="19" pageNumber="20">Diagnosis.</paragraph>
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<paragraph pageId="19" pageNumber="20">Peduncle of antenna II with long setae, calceoli absent; merus and carpus of pereopod III with clusters of long setae on posterior margins; epimeral plates II and III with subacute posterodistal corners; uropod I peduncle with no basofacial spine; inner ramus of uropod III reaching 0.9 times the length of outer ramus, terminal article vestigial.</paragraph>
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</subSubSection>
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<subSubSection lastPageId="21" lastPageNumber="22" pageId="19" pageNumber="20" type="description">
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<paragraph pageId="19" pageNumber="20">Description of holotype male</paragraph>
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<paragraph pageId="19" pageNumber="20">(IZCAS-I-A1566-1). 10.1 mm.</paragraph>
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<paragraph pageId="19" pageNumber="20">Head (Fig. 27A): eyes reniform, inferior antennal sinus deep.</paragraph>
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<caption pageId="19" pageNumber="20">
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<paragraph pageId="19" pageNumber="20">
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Figure 27.
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<taxonomicName class="Malacostraca" family="Gammaridae" genus="Gammarus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Gammarus longdong" order="Amphipoda" pageId="19" pageNumber="20" phylum="Arthropoda" rank="species" species="longdong">Gammarus longdong</taxonomicName>
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Hou & Li, sp. n., male holotype. A head B antenna I C flagellar article of antenna I with aesthetasc D antenna II E upper lip F lower lip G left mandible H incisor and lacinia mobilis of right mandible I left maxilla I J distal part of palp article II of right maxilla I K maxilla II L maxilliped.
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</paragraph>
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</caption>
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<paragraph pageId="19" pageNumber="20">
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Antenna I (Fig. 27B, C): peduncle articles
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<normalizedToken originalValue="I–III">I-III</normalizedToken>
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in length ratio 1.0: 0.8: 0.4, with distal setae; flagellum with 31 articles, articles
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<normalizedToken originalValue="V–XXX">V-XXX</normalizedToken>
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with aesthetascs; accessory
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<normalizedToken originalValue="flagellum">flagellum</normalizedToken>
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with four articles; both primary and accessory
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<normalizedToken originalValue="flagella">flagella</normalizedToken>
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with short distal setae.
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</paragraph>
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<paragraph pageId="19" pageNumber="20">
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Antenna II (Fig. 27D): peduncle articles
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<normalizedToken originalValue="III–V">III-V</normalizedToken>
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in length ratio 1.0: 2.9: 2.7, articles
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<normalizedToken originalValue="IV–V">IV-V</normalizedToken>
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of peduncle with lateral and medial setae; flagellum with 11 articles, each article with long setae; calceoli absent.
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</paragraph>
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<paragraph pageId="19" pageNumber="20">Upper lip (Fig. 27E): ventral margin rounded, bearing short minute setae.</paragraph>
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<paragraph pageId="19" pageNumber="20">
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Mandible (Fig. 27G, H): left mandible incisor with five teeth; lacinia mobilis with four teeth; spine row with six pairs of plumose setae; articles
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<normalizedToken originalValue="I–III">I-III</normalizedToken>
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of palp in length ratio 1.0: 2.7: 2.0, second article with 15 marginal setae, article III with four A-setae, four B-setae, a row of D-setae, and five E-setae apically; incisor of right mandible with four teeth, lacinia mobilis bifurcate, with small teeth.
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</paragraph>
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<paragraph pageId="19" pageNumber="20">Lower lip (Fig. 27F): inner lobes lacking, outer lobes covered with thin setae.</paragraph>
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<paragraph pageId="19" pageNumber="20">Maxilla I (Fig. 27I, J): asymmetrical, left inner plate with 15 plumose setae on medial margin; outer plate with 11 robust serrated apical spines; second article of left palp with nine slender spines apically; second article of right palp with four stout spines, one stiff seta and one slender spine.</paragraph>
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<paragraph pageId="19" pageNumber="20">Maxilla II (Fig. 27K): inner plate with 12 plumose setae in an oblique row; inner and outer plates with long setae apically.</paragraph>
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<paragraph pageId="19" pageNumber="20">Maxilliped (Fig. 27L): inner plate with three stout apical spines, one subapical spine, and 20 plumose setae; outer plate bearing a row of 17 blade spines and three plumose setae apically; article IV of palp hooked, with a group of setae at hinge of unguis.</paragraph>
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<paragraph pageId="19" pageNumber="20">Pereon.Gnathopod I (Fig. 28A, B): coxal plate bearing two setae and four setae on anterior and posterior margins, respectively; basis with setae on anterior and posterior margins; merus bearing setae on posterodistal corner; carpus 1.7 times as long as wide, 0.75 times as long as propodus, bearing four clusters of setae along ventral margin and two clusters of setae on dorsal margin; propodus oval, palm with one medial spine and 12 spines on posterior margin and surface; dactylus with one seta on outer margin.</paragraph>
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<caption pageId="19" pageNumber="20">
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<paragraph pageId="19" pageNumber="20">
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Figure 28.
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<taxonomicName class="Malacostraca" family="Gammaridae" genus="Gammarus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Gammarus longdong" order="Amphipoda" pageId="19" pageNumber="20" phylum="Arthropoda" rank="species" species="longdong">Gammarus longdong</taxonomicName>
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Hou & Li, sp. n., male holotype. A gnathopod I B propodus and dactylus of gnathopod I C gnathopod II D propodus and dactylus of gnathopod II E dorsal margins of urosomites
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<normalizedToken originalValue="I–III">I-III</normalizedToken>
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.
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</paragraph>
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</caption>
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<paragraph pageId="19" pageNumber="20">Gnathopod II (Fig. 28C, D): coxal plate bearing two setae and three setae on anterior and posterior margins, respectively; basis with setae on anterior and posterior margins; merus bearing setae on posterodistal corner; carpus 1.9 times as long as wide, 0.8 times as long as propodus, bearing six clusters of setae along ventral margin and two clusters of setae on dorsal margin; propodus subrectangular, palm margin with one medial spine and four spines on posterodistal corner; dactylus with one seta on outer margin.</paragraph>
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<paragraph pageId="19" pageNumber="20">Pereopod III (Fig. 29A, B): coxal plate bearing three setae and two setae on anterior and posterior margins, respectively; basis elongated, with setae along anterior and posterior margins; merus with clusters of long setae on posterior margin and one spine on anterior margin, anterodistal corner with one spine accompanied by setae; carpus with two groups of long setae on posterior margin, anterodistal corner with one spine accompanied by setae and posterodistal corner with two spines accompanied by setae; propodus with three spines accompanied by setae on posterior margin and two spines on posterodistal corner; dactylus with one plumose seta on anterior margin, and two setae at hinge of unguis.</paragraph>
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<caption pageId="19" pageNumber="20">
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<paragraph pageId="19" pageNumber="20">
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Figure 29.
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<taxonomicName class="Malacostraca" family="Gammaridae" genus="Gammarus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Gammarus longdong" order="Amphipoda" pageId="19" pageNumber="20" phylum="Arthropoda" rank="species" species="longdong">Gammarus longdong</taxonomicName>
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Hou & Li, sp. n., male holotype. A pereopod III B dactylus of pereopod III C pereopod IV D dactylus of pereopod IV E pereopod V F dactylus of pereopod V G pereopod VI H dactylus of pereopod VI I pereopod VII J dactylus of pereopod VII K telson.
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</paragraph>
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</caption>
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<paragraph pageId="19" pageNumber="20">Pereopod IV (Fig. 29C, D): coxal plate concave, bearing two fine setae on anterior margin and five setae on posterior margin; basis with setae along anterior and posterior margins; merus with four clusters of setae on posterior margin and one spine accompanied by one seta on anterior margin, anterodistal corner with one spine accompanied by setae; carpus and propodus with three or four spines accompanied by setae on posterior margins; dactylus with one plumose seta on anterior margin, and two setae at hinge of unguis.</paragraph>
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<paragraph pageId="19" pageNumber="20">Pereopod V (Fig. 29E, F): coxal plate bearing one seta on anterior and posterior margins, respectively; basis expanded, with two setae and six spines on anterior margin, anterodistal corner with two spines accompanied by setae, posterior margin with a row of 13 setae; merus with two clusters of short setae on anterior margin and one spine accompanied by one seta on posterior margin, anterodistal corner with one spine accompanied by setae and posterodistal corner with two spines accompanied by setae; carpus and propodus with groups of spines accompanied by fine setae on anterior margins; dactylus with one plumose seta on posterior margin, and two setae at hinge of unguis.</paragraph>
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<paragraph pageId="20" pageNumber="21">
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<pageBreakToken pageId="20" pageNumber="21" start="start">Pereopod</pageBreakToken>
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VI (Fig. 29G, H): coxal plate bearing one seta on posterior margin; basis elongated, with two setae and three spines on anterior margin, anterodistal corner with two spines accompanied by setae, posterior margin with a row of nine setae; merus with two spines accompanied by setae on anterior margin and one spine accompanied by one seta on posterior margin, anterodistal and posterodistal corners with two and three spines accompanied by setae respectively; carpus and propodus with three groups of spines accompanied by setae on anterior margins; dactylus with one plumose seta on posterior margin, and two setae at hinge of unguis.
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</paragraph>
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<paragraph pageId="20" pageNumber="21">Pereopod VII (Figs 29I, J): coxal plate with three setae on posterior margin; basis with two setae and four spines on anterior margin, anterodistal corner with two spines accompanied by setae, posterior margin with a row of 12 setae and one spine; merus with two groups of spines accompanied by setae on anterior margin and one spine accompanied by one seta on posterior margin, anterodistal and posterodistal corners with three and two spines accompanied by one seta, respectively; carpus and propodus with two or three groups of spines on anterior margins; dactylus with one plumose seta on posterior margin, and two setae at hinge of unguis.</paragraph>
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<paragraph pageId="20" pageNumber="21">Coxal gills: coxal gill of gnathopod II a little shorter than basis; gills of pereopods IV and V longer than bases; gills of pereopods III and VI more than half the length of bases; gill of pereopod VII smallest, less than half of the basis.</paragraph>
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<paragraph pageId="20" pageNumber="21">
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Pleon.Epimeral plates (Fig. 30
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<normalizedToken originalValue="A–C">A-C</normalizedToken>
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): plate I ventrally rounded, bearing eight long setae on anteroventral margin and five setae on posterior margin; plate II with one seta and one spine on ventral margin and seven setae on posterior margin, posterodistal corner subacute; plate III with one seta and two spines on ventral margin and six setae on posterior margin, posterodistal corner subacute.
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</paragraph>
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<caption pageId="20" pageNumber="21">
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<paragraph pageId="20" pageNumber="21">
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Figure 30.
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<taxonomicName class="Malacostraca" family="Gammaridae" genus="Gammarus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Gammarus longdong" order="Amphipoda" pageId="20" pageNumber="21" phylum="Arthropoda" rank="species" species="longdong">Gammarus longdong</taxonomicName>
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Hou & Li, sp. n.,
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<normalizedToken originalValue="A–I">A-I</normalizedToken>
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male, holotype; J female, paratype. A epimeral plate I B epimeral plate II C epimeral plate III D pleopod I E pleopod II F pleopod III G uropod I H uropod II I uropod III J uropod I (right).
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</paragraph>
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</caption>
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<paragraph pageId="20" pageNumber="21">
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Pleopods
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<normalizedToken originalValue="I–III">I-III</normalizedToken>
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(Fig. 30
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<normalizedToken originalValue="D–F">D-F</normalizedToken>
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): similar, peduncle with two or three retinacula accompanied by one or two setae; outer ramus slightly shorter than inner ramus, both rami fringed with plumose setae.
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</paragraph>
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<paragraph pageId="20" pageNumber="21">Urosome.Urosomites (Fig. 28E): urosomite I with one-one-one-one spines accompanied by setae on dorsal margin; urosomite II with one-one-one spines accompanied by setae on dorsal margin; urosomite III with one spine accompanied by two setae on each side.</paragraph>
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<paragraph pageId="20" pageNumber="21">
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Uropods
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<normalizedToken originalValue="I–III">I-III</normalizedToken>
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(Fig. 30
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<normalizedToken originalValue="G–I">G-I</normalizedToken>
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): uropod I peduncle with no basofacial spine and outer margin with one spine, inner and outer distal corners with one and two spines respectively; inner ramus with two spines on inner margin; outer ramus with two spines on inner and outer margins each; both rami with five terminal spines. Uropod II short, peduncle bearing one distal spine on each corner; inner ramus with two spines on inner margin; outer ramus with one spine and two spines on inner and outer margins, respectively; both rami with five terminal spines. Uropod III peduncle with three setae on surface and six distal spines; inner ramus 2.2 times as long as peduncle, reaching 0.9 times the length of outer ramus, with one spine accompanied by ten plumose setae and three simple setae on inner margin, with six plumose setae on outer margin and one spine accompanied by long setae distally; proximal article of outer ramus with three clusters of spines accompanied by simple setae on outer margin, with eight plumose setae on inner margin, and four distal spines, terminal article vestigial, with simple setae.
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</paragraph>
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<paragraph pageId="21" pageNumber="22">
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<pageBreakToken pageId="21" pageNumber="22" start="start">Telson</pageBreakToken>
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(Fig. 29K): deeply cleft, approx. as long as wide, left lobe with two simple setae and two plumose setae on surface and with one distal spine accompanied by three setae; right lobe with one simple seta and two plumose setae on surface and with two distal spines accompanied by two setae.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="21" pageNumber="22" type="description">
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<paragraph pageId="21" pageNumber="22">Description of paratype female</paragraph>
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<paragraph pageId="21" pageNumber="22">(IZCAS-I-A1566-2). 7.3 mm.</paragraph>
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<paragraph pageId="21" pageNumber="22">Pereon.Gnathopod I (Fig. 31A, B): coxal plate bearing two setae on anterior margin and three setae on posterior margin; basis with long setae on anterior and posterior margins; propodus oval, palm with ten spines on posterior margin, bearing long setae along anterior and posterior margins; dactylus with one seta on outer margin.</paragraph>
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<caption pageId="21" pageNumber="22">
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<paragraph pageId="21" pageNumber="22">
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Figure 31.
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<taxonomicName class="Malacostraca" family="Gammaridae" genus="Gammarus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Gammarus longdong" order="Amphipoda" pageId="21" pageNumber="22" phylum="Arthropoda" rank="species" species="longdong">Gammarus longdong</taxonomicName>
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Hou & Li, sp. n., female paratype. A gnathopod I B propodus and dactylus of gnathopod I C gnathopod II D propodus and dactylus of gnathopod II.
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</paragraph>
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</caption>
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<paragraph pageId="21" pageNumber="22">Gnathopod II (Fig. 31C, D): coxal plate bearing three setae on anterior and posterior margins each; basis with setae on anterior and posterior margins; propodus subrectangular, palm margin with four spines on posterodistal corner, bearing long setae along anterior and posterior margins; dactylus with one seta on outer margin.</paragraph>
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<paragraph pageId="21" pageNumber="22">Pereopod III (Fig. 32A): merus and carpus with shorter setae on posterior margins than that of male.</paragraph>
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<caption pageId="21" pageNumber="22">
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<paragraph pageId="21" pageNumber="22">
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Figure 32.
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<taxonomicName class="Malacostraca" family="Gammaridae" genus="Gammarus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Gammarus longdong" order="Amphipoda" pageId="21" pageNumber="22" phylum="Arthropoda" rank="species" species="longdong">Gammarus longdong</taxonomicName>
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Hou & Li, sp. n., female paratype. A pereopod III B pereopod IV C pereopod V D pereopod VI E pereopod VII F uropod II G uropod III H telson I oostegite of gnathopod II J oostegite of pereopod III K oostegite of pereopod IV L oostegite of pereopod V.
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</paragraph>
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</caption>
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<paragraph pageId="21" pageNumber="22">
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Pereopods
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<normalizedToken originalValue="IV–VII">IV-VII</normalizedToken>
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(Fig. 32
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<normalizedToken originalValue="B–E">B-E</normalizedToken>
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): similar to those of male.
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</paragraph>
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<paragraph pageId="21" pageNumber="22">
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Oostegite (Fig. 32
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<normalizedToken originalValue="I–L">I-L</normalizedToken>
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): oostegite of gnathopod II broad, with marginal setae, oostegites of pereopods III and IV elongated, oostegite of pereopod V smallest.
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</paragraph>
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<paragraph pageId="21" pageNumber="22">
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Urosome.Uropods
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<normalizedToken originalValue="I–III">I-III</normalizedToken>
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(Figs 30J; 32F, G): uropod I peduncle with no basofacial spine and outer margin with three spines, inner and outer distal corners with one and two spines respectively; inner ramus with two spines on inner margin; outer ramus with two spines on inner margin and one spine on outer margin; both rami with five terminal spines. Uropod II short, peduncle bearing one spine on inner margin, each corner with one distal spine; outer ramus with one spine on outer and inner margins each; inner ramus with two spines on inner margin; both rami with five terminal spines. Uropod III peduncle with three setae on surface and five distal spines accompanied by setae; inner ramus 1.5 times as long as peduncle, reaching 0.9 times the length of proximal article of outer ramus, with one spine and plumose setae on inner margin, two plumose setae and one simple seta on outer margin; proximal article of outer ramus with three pairs of spines accompanied by simple setae on outer margin and five plumose setae on inner margin, terminal article much shorter than adjacent spines.
|
||
</paragraph>
|
||
<paragraph pageId="21" pageNumber="22">Telson (Fig. 32H): cleft, 0.9 times as long as wide, each lobe with simple setae on surface and with one distal spine accompanied by setae.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="21" pageNumber="22" type="habitat">
|
||
<paragraph pageId="21" pageNumber="22">Habitat.</paragraph>
|
||
<paragraph pageId="21" pageNumber="22">The species was collected in Qinglong Cave Park. The park has a limestone karst mountain landscape. There is an underground river winding through the cave before flowing into a pool. Individuals are found along the bank of river, with no vegetation.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection lastPageId="22" lastPageNumber="23" pageId="21" pageNumber="22" type="remarks">
|
||
<paragraph pageId="21" pageNumber="22">Remarks.</paragraph>
|
||
<paragraph lastPageId="22" lastPageNumber="23" pageId="21" pageNumber="22">
|
||
The new species of
|
||
<taxonomicName class="Malacostraca" family="Gammaridae" genus="Gammarus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Gammarus longdong" order="Amphipoda" pageId="21" pageNumber="22" phylum="Arthropoda" rank="species" species="longdong">Gammarus longdong</taxonomicName>
|
||
Hou & Li, sp. n. is similar to
|
||
<taxonomicName lsidName="G. craspedotrichus" pageId="21" pageNumber="22" rank="species" species="craspedotrichus">G. craspedotrichus</taxonomicName>
|
||
Hou & Li, 2002 in antenna II with long setae along peduncle margin, calceoli absent; pereopod III merus and carpus with long setae on posterior margins; and uropod I with no basofacial spine.
|
||
<taxonomicName class="Malacostraca" family="Gammaridae" genus="Gammarus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Gammarus longdong" order="Amphipoda" pageId="21" pageNumber="22" phylum="Arthropoda" rank="species" species="longdong">Gammarus longdong</taxonomicName>
|
||
Hou & Li, sp. n. can be distinguished from
|
||
<taxonomicName lsidName="G. craspedotrichus" pageId="21" pageNumber="22" rank="species" species="craspedotrichus">G. craspedotrichus</taxonomicName>
|
||
Hou & Li, 2002 by the following characters (
|
||
<taxonomicName lsidName="G. craspedotrichus" pageId="21" pageNumber="22" rank="species" species="craspedotrichus">G. craspedotrichus</taxonomicName>
|
||
in parentheses): urosomites I and II with four groups of spines and setae
|
||
<pageBreakToken pageId="22" pageNumber="23" start="start">(</pageBreakToken>
|
||
with two clusters of spines and setae); and uropod III terminal article vestigial (short but distinct).
|
||
</paragraph>
|
||
<paragraph pageId="22" pageNumber="23">
|
||
The new species of
|
||
<taxonomicName class="Malacostraca" family="Gammaridae" genus="Gammarus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Gammarus longdong" order="Amphipoda" pageId="22" pageNumber="23" phylum="Arthropoda" rank="species" species="longdong">Gammarus longdong</taxonomicName>
|
||
Hou & Li, sp. n. is similar to
|
||
<taxonomicName lsidName="jidutanxian" pageId="22" pageNumber="23" rank="species" species="jidutanxian">jidutanxian</taxonomicName>
|
||
Hou & Li, sp. n. in antenna II peduncle with long setae, calceoli absent; and uropod III outer ramus with no plumose setae on outer margin. It can be distinguished from
|
||
<taxonomicName lsidName="G. jidutanxian" pageId="22" pageNumber="23" rank="species" species="jidutanxian">G. jidutanxian</taxonomicName>
|
||
Hou & Li, sp. n. (
|
||
<taxonomicName lsidName="G. jidutanxian" pageId="22" pageNumber="23" rank="species" species="jidutanxian">G. jidutanxian</taxonomicName>
|
||
in parentheses) in uropod I without basofacial spine (with one basofacial spine); and uropod III inner ramus reaching 0.9 times the length of outer ramus (inner ramus 0.6 times the length of outer ramus).
|
||
</paragraph>
|
||
<paragraph pageId="22" pageNumber="23">
|
||
The new species is similar to
|
||
<taxonomicName lsidName="G. egregius" pageId="22" pageNumber="23" rank="species" species="egregius">G. egregius</taxonomicName>
|
||
Hou, Li & Li, 2013 in accessory
|
||
<normalizedToken originalValue="flagellum">flagellum</normalizedToken>
|
||
of antenna I with four articles; antenna II calceoli absent; and uropod I peduncle without basofacial spine. The new species can be distinguished from
|
||
<taxonomicName lsidName="G. egregius" pageId="22" pageNumber="23" rank="species" species="egregius">G. egregius</taxonomicName>
|
||
Hou, Li & Li, 2013 by the following characters (
|
||
<taxonomicName lsidName="G. egregius" pageId="22" pageNumber="23" rank="species" species="egregius">G. egregius</taxonomicName>
|
||
in parentheses): urosomite I with one-one-one-one spines accompanied by setae on dorsal margin (bare); urosomite II with one-one-one spines accompanied by setae on dorsal margin (with two single spines); inner ramus of uropod III 0.9 times the length of proximal article of outer ramus (0.6 times the length of outer ramus); and both rami of uropod III with plumose setae on inner margins (simple setae).
|
||
</paragraph>
|
||
<paragraph pageId="22" pageNumber="23">
|
||
The new species is similar to
|
||
<taxonomicName lsidName="G. platvoeti" pageId="22" pageNumber="23" rank="species" species="platvoeti">G. platvoeti</taxonomicName>
|
||
Hou & Li, 2003a in accessory
|
||
<normalizedToken originalValue="flagellum">flagellum</normalizedToken>
|
||
of antenna I with four articles; antenna II calceoli absent; epimeral plates II and III with subacute posterodistal corners; and uropod I peduncle without basofacial spine. It differs from
|
||
<taxonomicName lsidName="G. platvoeti" pageId="22" pageNumber="23" rank="species" species="platvoeti">G. platvoeti</taxonomicName>
|
||
Hou & Li, 2003a (
|
||
<taxonomicName lsidName="G. platvoeti" pageId="22" pageNumber="23" rank="species" species="platvoeti">G. platvoeti</taxonomicName>
|
||
in parentheses) by merus and carpus of pereopod III with long setae on posterior margins (with a few short setae); urosomites I and II with spines accompanied by setae on dorsal margin (only with setae); inner ramus of uropod III 0.9 times the length of proximal article of outer ramus (0.85 times the length of outer ramus); and both lobes of telson with simple and plumose setae on surface (bare).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |