628 lines
84 KiB
XML
628 lines
84 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.1008.58854" ID-GBIF-Dataset="b31dfe66-0bbe-4226-8aa7-941526c56be1" ID-PMC="PMC7790807" ID-Pensoft-Pub="1313-2970-1008-1" ID-Pensoft-UUID="285C40BD37805C919C7CFFB981C9CF79" ID-PubMed="33505185" ID-ZooBank="6BF494BEA31B42D788AF2AB04EEB4725" ModsDocID="1313-2970-1008-1" checkinTime="1609463513021" checkinUser="pensoft" docAuthor="Huang, Chao, Ahyong, Shane T. & Shih, Hsi-Te" docDate="2020" docId="DB07660729E05031B65744A6C14D4B3D" docLanguage="en" docName="ZooKeys 1008: 1-15" docOrigin="ZooKeys 1008" docPubDate="2020-12-31" docSource="http://dx.doi.org/10.3897/zookeys.1008.58854" docTitle="Phasmon typhlops Huang & Ahyong & Shih 2020, sp. nov." docType="treatment" docUuid="FEE83A41-2669-4B3F-B3A0-5E1F15F1DEB1" docUuidSource="ZooBank" docVersion="4" id="285C40BD37805C919C7CFFB981C9CF79" lastPageNumber="1" masterDocId="285C40BD37805C919C7CFFB981C9CF79" masterDocTitle="The second known stygomorphic freshwater crab from China, Phasmon typhlops gen. nov. et sp. nov. (Crustacea, Decapoda, Potamidae), diverged at the beginning of the Late Miocene" masterLastPageNumber="15" masterPageNumber="1" pageNumber="1" updateTime="1668149664100" updateUser="ExternalLinkService">
|
||
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
|
||
<mods:titleInfo>
|
||
<mods:title>The second known stygomorphic freshwater crab from China, Phasmon typhlops gen. nov. et sp. nov. (Crustacea, Decapoda, Potamidae), diverged at the beginning of the Late Miocene</mods:title>
|
||
</mods:titleInfo>
|
||
<mods:name type="personal">
|
||
<mods:role>
|
||
<mods:roleTerm>Author</mods:roleTerm>
|
||
</mods:role>
|
||
<mods:namePart>Huang, Chao</mods:namePart>
|
||
<mods:affiliation>Unaffiliated, Guangdong, China</mods:affiliation>
|
||
</mods:name>
|
||
<mods:name type="personal">
|
||
<mods:role>
|
||
<mods:roleTerm>Author</mods:roleTerm>
|
||
</mods:role>
|
||
<mods:namePart>Ahyong, Shane T.</mods:namePart>
|
||
<mods:affiliation>Australian Museum, 1 William St, Sydney NSW 2010, Australia & School of Biological, Earth and Environmental Sciences, University of New South Wales, Kensington, NSW 2052, Australia</mods:affiliation>
|
||
</mods:name>
|
||
<mods:name type="personal">
|
||
<mods:role>
|
||
<mods:roleTerm>Author</mods:roleTerm>
|
||
</mods:role>
|
||
<mods:namePart>Shih, Hsi-Te</mods:namePart>
|
||
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0003-1317-8783</mods:nameIdentifier>
|
||
<mods:affiliation>Department of Life Science and Research Center for Global Change Biology, National Chung Hsing University, Taichung 402, Taiwan</mods:affiliation>
|
||
<mods:nameIdentifier type="email">htshih@dragon.nchu.edu.tw</mods:nameIdentifier>
|
||
</mods:name>
|
||
<mods:typeOfResource>text</mods:typeOfResource>
|
||
<mods:relatedItem type="host">
|
||
<mods:titleInfo>
|
||
<mods:title>ZooKeys</mods:title>
|
||
</mods:titleInfo>
|
||
<mods:part>
|
||
<mods:date>2020</mods:date>
|
||
<mods:detail type="pubDate">
|
||
<mods:number>2020-12-31</mods:number>
|
||
</mods:detail>
|
||
<mods:detail type="volume">
|
||
<mods:number>1008</mods:number>
|
||
</mods:detail>
|
||
<mods:extent unit="page">
|
||
<mods:start>1</mods:start>
|
||
<mods:end>15</mods:end>
|
||
</mods:extent>
|
||
</mods:part>
|
||
</mods:relatedItem>
|
||
<mods:location>
|
||
<mods:url>http://dx.doi.org/10.3897/zookeys.1008.58854</mods:url>
|
||
</mods:location>
|
||
<mods:classification>journal article</mods:classification>
|
||
<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.1008.58854</mods:identifier>
|
||
<mods:identifier type="Pensoft-Pub">1313-2970-1008-1</mods:identifier>
|
||
<mods:identifier type="ZooBank">6BF494BEA31B42D788AF2AB04EEB4725</mods:identifier>
|
||
<mods:identifier type="Pensoft-UUID">285C40BD37805C919C7CFFB981C9CF79</mods:identifier>
|
||
</mods:mods>
|
||
<subSection pageId="0" pageNumber="1" type="taxonomy">
|
||
<treatment ID-GBIF-Taxon="176352596" LSID="urn:lsid:zoobank.org:act:FEE83A41-2669-4B3F-B3A0-5E1F15F1DEB1" httpUri="http://treatment.plazi.org/id/DB07660729E05031B65744A6C14D4B3D" lastPageNumber="1" pageId="0" pageNumber="1">
|
||
<subSubSection pageId="0" pageNumber="1" type="nomenclature">
|
||
<paragraph pageId="0" pageNumber="1">
|
||
<taxonomicName LSID="http://zoobank.org/FEE83A41-2669-4B3F-B3A0-5E1F15F1DEB1" authority="Huang & Ahyong & Shih, 2020" authorityName="Huang & Ahyong & Shih" authorityYear="2020" class="Malacostraca" family="Potamidae" genus="Phasmon" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Phasmon typhlops" order="Decapoda" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="typhlops" status="sp. nov.">Phasmon typhlops</taxonomicName>
|
||
<taxonomicNameLabel pageId="0" pageNumber="1">sp. nov.</taxonomicNameLabel>
|
||
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982 (A) female paratype (22.1 x 13.7 mm), AM P. 105524 (B). Dorsal habitus." figureDoi="10.3897/zookeys.1008.58854.figure1" httpUri="https://binary.pensoft.net/fig/492915" pageId="0" pageNumber="1">Figs 1</figureCitation>
|
||
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982 (A-D) female paratype (22.1 x 13.7 mm), AM P. 105524 (E, F). Cephalothorax, anterior view (A) anterior thoracic sternum (B) anterior thoracic sternum and pleon, ventral view (C) sterno-pleonal cavity with G 1 in situ, ventral view (D) pleon, ventral view (E) vulvae, ventral view (F)." figureDoi="10.3897/zookeys.1008.58854.figure2" httpUri="https://binary.pensoft.net/fig/492916" pageId="0" pageNumber="1">, 2</figureCitation>
|
||
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982. Left maxilliped 3 (A) left G 2, pleonal view (B) left G 1, pleonal view (C) major cheliped (D) minor cheliped (E) colour in life (F). Scale bars: 1.0 mm." figureDoi="10.3897/zookeys.1008.58854.figure3" httpUri="https://binary.pensoft.net/fig/492917" pageId="0" pageNumber="1">, 3</figureCitation>
|
||
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Phasmon typhlops gen. nov. et sp. nov., gonopods: left G 1, abdominal view (A) left G 1, sternal view (B) left G 2, mesial view (C) left G 2, pleonal view (D). Scale bar: 0.5 mm." figureDoi="10.3897/zookeys.1008.58854.figure4" httpUri="https://binary.pensoft.net/fig/492918" pageId="0" pageNumber="1">, 4</figureCitation>
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="1" type="type material">
|
||
<paragraph pageId="0" pageNumber="1">Type material.</paragraph>
|
||
<paragraph pageId="0" pageNumber="1">
|
||
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Holotype</emphasis>
|
||
: SYSBM 001982, male (14.4
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
9.0 mm), Leiping Town, Daxin County, Chongzuo City, Guangxi Province, China,
|
||
<geoCoordinate degrees="22.65" direction="north" orientation="latitude" precision="555" value="22.65">22.65°N</geoCoordinate>
|
||
, 107.10° E, subterranean karst stream in cave, baited trap, coll. local collector, December 2019.
|
||
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Paratype</emphasis>
|
||
: AM P.105524, female (22.1
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
13.7 mm), Leiping Town, Daxin County, Chongzuo City, Guangxi Province, China, karst spring, baited trap, coll. local collector, September 2018.
|
||
</paragraph>
|
||
<caption doi="10.3897/zookeys.1008.58854.figure2" httpUri="https://binary.pensoft.net/fig/492916" pageId="0" pageNumber="1" start="Figure 2" startId="F2">
|
||
<paragraph pageId="0" pageNumber="1">
|
||
<emphasis bold="true" pageId="0" pageNumber="1">Figure 2.</emphasis>
|
||
<taxonomicName authorityName="Huang & Ahyong & Shih" authorityYear="2020" class="Malacostraca" family="Potamidae" genus="Phasmon" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Phasmon typhlops" order="Decapoda" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="typhlops">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Phasmon typhlops</emphasis>
|
||
</taxonomicName>
|
||
gen. nov. et sp. nov., male holotype (14.4
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
9.0 mm), SYSBM 001982 (
|
||
<emphasis bold="true" pageId="0" pageNumber="1">A-D</emphasis>
|
||
) female paratype (22.1
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
13.7 mm), AM P.105524 (
|
||
<emphasis bold="true" pageId="0" pageNumber="1">E, F</emphasis>
|
||
). Cephalothorax, anterior view (
|
||
<emphasis bold="true" pageId="0" pageNumber="1">A</emphasis>
|
||
) anterior thoracic sternum (
|
||
<emphasis bold="true" pageId="0" pageNumber="1">B</emphasis>
|
||
) anterior thoracic sternum and pleon, ventral view (
|
||
<emphasis bold="true" pageId="0" pageNumber="1">C</emphasis>
|
||
) sterno-pleonal cavity with G1
|
||
<emphasis italics="true" pageId="0" pageNumber="1">in situ</emphasis>
|
||
, ventral view (
|
||
<emphasis bold="true" pageId="0" pageNumber="1">D</emphasis>
|
||
) pleon, ventral view (
|
||
<emphasis bold="true" pageId="0" pageNumber="1">E</emphasis>
|
||
) vulvae, ventral view (
|
||
<emphasis bold="true" pageId="0" pageNumber="1">F</emphasis>
|
||
).
|
||
</paragraph>
|
||
</caption>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="1" type="description">
|
||
<paragraph pageId="0" pageNumber="1">Description.</paragraph>
|
||
<paragraph pageId="0" pageNumber="1">
|
||
Carapace broad, about 1.6 times as wide as long; fronto-orbital width about twice width of posterior margin; regions indistinct, dorsal surface slightly convex; surface finely pitted (Fig.
|
||
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982 (A) female paratype (22.1 x 13.7 mm), AM P. 105524 (B). Dorsal habitus." figureDoi="10.3897/zookeys.1008.58854.figure1" httpUri="https://binary.pensoft.net/fig/492915" pageId="0" pageNumber="1">1A</figureCitation>
|
||
). Frontal margin weakly sinuous, continuous with supraorbital margin, forming almost straight transverse margin in dorsal view (Figs
|
||
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982 (A) female paratype (22.1 x 13.7 mm), AM P. 105524 (B). Dorsal habitus." figureDoi="10.3897/zookeys.1008.58854.figure1" httpUri="https://binary.pensoft.net/fig/492915" pageId="0" pageNumber="1">1A, B</figureCitation>
|
||
). Epigastric cristae and postorbital cristae almost indiscernible (Figs
|
||
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982 (A) female paratype (22.1 x 13.7 mm), AM P. 105524 (B). Dorsal habitus." figureDoi="10.3897/zookeys.1008.58854.figure1" httpUri="https://binary.pensoft.net/fig/492915" pageId="0" pageNumber="1">1A</figureCitation>
|
||
,
|
||
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982 (A-D) female paratype (22.1 x 13.7 mm), AM P. 105524 (E, F). Cephalothorax, anterior view (A) anterior thoracic sternum (B) anterior thoracic sternum and pleon, ventral view (C) sterno-pleonal cavity with G 1 in situ, ventral view (D) pleon, ventral view (E) vulvae, ventral view (F)." figureDoi="10.3897/zookeys.1008.58854.figure2" httpUri="https://binary.pensoft.net/fig/492916" pageId="0" pageNumber="1">2A</figureCitation>
|
||
). Branchial regions slightly swollen (Figs
|
||
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982 (A) female paratype (22.1 x 13.7 mm), AM P. 105524 (B). Dorsal habitus." figureDoi="10.3897/zookeys.1008.58854.figure1" httpUri="https://binary.pensoft.net/fig/492915" pageId="0" pageNumber="1">1A</figureCitation>
|
||
,
|
||
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982 (A-D) female paratype (22.1 x 13.7 mm), AM P. 105524 (E, F). Cephalothorax, anterior view (A) anterior thoracic sternum (B) anterior thoracic sternum and pleon, ventral view (C) sterno-pleonal cavity with G 1 in situ, ventral view (D) pleon, ventral view (E) vulvae, ventral view (F)." figureDoi="10.3897/zookeys.1008.58854.figure2" httpUri="https://binary.pensoft.net/fig/492916" pageId="0" pageNumber="1">2A</figureCitation>
|
||
). Cervical groove shallow (Fig.
|
||
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982 (A) female paratype (22.1 x 13.7 mm), AM P. 105524 (B). Dorsal habitus." figureDoi="10.3897/zookeys.1008.58854.figure1" httpUri="https://binary.pensoft.net/fig/492915" pageId="0" pageNumber="1">1A</figureCitation>
|
||
). Mesogastric region slightly convex (Fig.
|
||
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982 (A) female paratype (22.1 x 13.7 mm), AM P. 105524 (B). Dorsal habitus." figureDoi="10.3897/zookeys.1008.58854.figure1" httpUri="https://binary.pensoft.net/fig/492915" pageId="0" pageNumber="1">1A</figureCitation>
|
||
). External orbital angle obsolete, outer margin convex, almost indistinguishable from anterolateral margin (Figs
|
||
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982 (A) female paratype (22.1 x 13.7 mm), AM P. 105524 (B). Dorsal habitus." figureDoi="10.3897/zookeys.1008.58854.figure1" httpUri="https://binary.pensoft.net/fig/492915" pageId="0" pageNumber="1">1A</figureCitation>
|
||
,
|
||
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982 (A-D) female paratype (22.1 x 13.7 mm), AM P. 105524 (E, F). Cephalothorax, anterior view (A) anterior thoracic sternum (B) anterior thoracic sternum and pleon, ventral view (C) sterno-pleonal cavity with G 1 in situ, ventral view (D) pleon, ventral view (E) vulvae, ventral view (F)." figureDoi="10.3897/zookeys.1008.58854.figure2" httpUri="https://binary.pensoft.net/fig/492916" pageId="0" pageNumber="1">2A</figureCitation>
|
||
). Epibranchial tooth granular, inconspicuous (Fig.
|
||
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982 (A) female paratype (22.1 x 13.7 mm), AM P. 105524 (B). Dorsal habitus." figureDoi="10.3897/zookeys.1008.58854.figure1" httpUri="https://binary.pensoft.net/fig/492915" pageId="0" pageNumber="1">1A</figureCitation>
|
||
). Anterolateral margin lined with 15-20 small, single or partially fused granules. Posterolateral margin posteriorly convergent (Fig.
|
||
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982 (A) female paratype (22.1 x 13.7 mm), AM P. 105524 (B). Dorsal habitus." figureDoi="10.3897/zookeys.1008.58854.figure1" httpUri="https://binary.pensoft.net/fig/492915" pageId="0" pageNumber="1">1A</figureCitation>
|
||
); posterolateral surface generally smooth (Fig.
|
||
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982 (A) female paratype (22.1 x 13.7 mm), AM P. 105524 (B). Dorsal habitus." figureDoi="10.3897/zookeys.1008.58854.figure1" httpUri="https://binary.pensoft.net/fig/492915" pageId="0" pageNumber="1">1A</figureCitation>
|
||
). Orbits shallow; supraorbital margins weakly cristate, infraorbital margins lined with granules (Fig.
|
||
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982 (A-D) female paratype (22.1 x 13.7 mm), AM P. 105524 (E, F). Cephalothorax, anterior view (A) anterior thoracic sternum (B) anterior thoracic sternum and pleon, ventral view (C) sterno-pleonal cavity with G 1 in situ, ventral view (D) pleon, ventral view (E) vulvae, ventral view (F)." figureDoi="10.3897/zookeys.1008.58854.figure2" httpUri="https://binary.pensoft.net/fig/492916" pageId="0" pageNumber="1">2A</figureCitation>
|
||
). Eyes almost immobile, greatly reduced, tapering, length about half orbital width; peduncle short, stout; cornea vestigial, surface without facets, unpigmented (Figs
|
||
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982 (A-D) female paratype (22.1 x 13.7 mm), AM P. 105524 (E, F). Cephalothorax, anterior view (A) anterior thoracic sternum (B) anterior thoracic sternum and pleon, ventral view (C) sterno-pleonal cavity with G 1 in situ, ventral view (D) pleon, ventral view (E) vulvae, ventral view (F)." figureDoi="10.3897/zookeys.1008.58854.figure2" httpUri="https://binary.pensoft.net/fig/492916" pageId="0" pageNumber="1">2A</figureCitation>
|
||
,
|
||
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982. Left maxilliped 3 (A) left G 2, pleonal view (B) left G 1, pleonal view (C) major cheliped (D) minor cheliped (E) colour in life (F). Scale bars: 1.0 mm." figureDoi="10.3897/zookeys.1008.58854.figure3" httpUri="https://binary.pensoft.net/fig/492917" pageId="0" pageNumber="1">3F</figureCitation>
|
||
). Sub-orbital, pterygostomial and sub-hepatic regions generally smooth, pitted (Fig.
|
||
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982 (A-D) female paratype (22.1 x 13.7 mm), AM P. 105524 (E, F). Cephalothorax, anterior view (A) anterior thoracic sternum (B) anterior thoracic sternum and pleon, ventral view (C) sterno-pleonal cavity with G 1 in situ, ventral view (D) pleon, ventral view (E) vulvae, ventral view (F)." figureDoi="10.3897/zookeys.1008.58854.figure2" httpUri="https://binary.pensoft.net/fig/492916" pageId="0" pageNumber="1">2A</figureCitation>
|
||
). Antennules large, folded within broad fossae; antennae very short (Fig.
|
||
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982 (A-D) female paratype (22.1 x 13.7 mm), AM P. 105524 (E, F). Cephalothorax, anterior view (A) anterior thoracic sternum (B) anterior thoracic sternum and pleon, ventral view (C) sterno-pleonal cavity with G 1 in situ, ventral view (D) pleon, ventral view (E) vulvae, ventral view (F)." figureDoi="10.3897/zookeys.1008.58854.figure2" httpUri="https://binary.pensoft.net/fig/492916" pageId="0" pageNumber="1">2A</figureCitation>
|
||
). Median lobe of epistome posterior margin broadly triangular, lateral margins sinuous (Fig.
|
||
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982 (A-D) female paratype (22.1 x 13.7 mm), AM P. 105524 (E, F). Cephalothorax, anterior view (A) anterior thoracic sternum (B) anterior thoracic sternum and pleon, ventral view (C) sterno-pleonal cavity with G 1 in situ, ventral view (D) pleon, ventral view (E) vulvae, ventral view (F)." figureDoi="10.3897/zookeys.1008.58854.figure2" httpUri="https://binary.pensoft.net/fig/492916" pageId="0" pageNumber="1">2A</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<caption doi="10.3897/zookeys.1008.58854.figure3" httpUri="https://binary.pensoft.net/fig/492917" pageId="0" pageNumber="1" start="Figure 3" startId="F3">
|
||
<paragraph pageId="0" pageNumber="1">
|
||
<emphasis bold="true" pageId="0" pageNumber="1">Figure 3.</emphasis>
|
||
<taxonomicName authorityName="Huang & Ahyong & Shih" authorityYear="2020" class="Malacostraca" family="Potamidae" genus="Phasmon" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Phasmon typhlops" order="Decapoda" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="typhlops">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Phasmon typhlops</emphasis>
|
||
</taxonomicName>
|
||
gen. nov. et sp. nov., male holotype (14.4
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
9.0 mm), SYSBM 001982. Left maxilliped 3 (
|
||
<emphasis bold="true" pageId="0" pageNumber="1">A</emphasis>
|
||
) left G2, pleonal view (
|
||
<emphasis bold="true" pageId="0" pageNumber="1">B</emphasis>
|
||
) left G1, pleonal view (
|
||
<emphasis bold="true" pageId="0" pageNumber="1">C</emphasis>
|
||
) major cheliped (
|
||
<emphasis bold="true" pageId="0" pageNumber="1">D</emphasis>
|
||
) minor cheliped (
|
||
<emphasis bold="true" pageId="0" pageNumber="1">E</emphasis>
|
||
) colour in life (
|
||
<emphasis bold="true" pageId="0" pageNumber="1">F</emphasis>
|
||
). Scale bars: 1.0 mm.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph pageId="0" pageNumber="1">
|
||
Maxilliped 3 merus subtrapezoidal, with median depression, width about 1.2
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
length; ischium subtrapezoidal with shallow median sulcus, distomesial margin rounded, width about 0.6
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
length. Exopod reaching proximal one-third of merus; flagellum longer than half ischium length (Fig.
|
||
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982. Left maxilliped 3 (A) left G 2, pleonal view (B) left G 1, pleonal view (C) major cheliped (D) minor cheliped (E) colour in life (F). Scale bars: 1.0 mm." figureDoi="10.3897/zookeys.1008.58854.figure3" httpUri="https://binary.pensoft.net/fig/492917" pageId="0" pageNumber="1">3A</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="1">
|
||
Chelipeds (pereiopod 1) subequal (Figs
|
||
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982 (A) female paratype (22.1 x 13.7 mm), AM P. 105524 (B). Dorsal habitus." figureDoi="10.3897/zookeys.1008.58854.figure1" httpUri="https://binary.pensoft.net/fig/492915" pageId="0" pageNumber="1">1</figureCitation>
|
||
,
|
||
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982. Left maxilliped 3 (A) left G 2, pleonal view (B) left G 1, pleonal view (C) major cheliped (D) minor cheliped (E) colour in life (F). Scale bars: 1.0 mm." figureDoi="10.3897/zookeys.1008.58854.figure3" httpUri="https://binary.pensoft.net/fig/492917" pageId="0" pageNumber="1">3D, E</figureCitation>
|
||
). Merus trigonal in cross section; margins slightly crenulated, surface generally smooth (Figs
|
||
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982 (A) female paratype (22.1 x 13.7 mm), AM P. 105524 (B). Dorsal habitus." figureDoi="10.3897/zookeys.1008.58854.figure1" httpUri="https://binary.pensoft.net/fig/492915" pageId="0" pageNumber="1">1A</figureCitation>
|
||
,
|
||
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982 (A-D) female paratype (22.1 x 13.7 mm), AM P. 105524 (E, F). Cephalothorax, anterior view (A) anterior thoracic sternum (B) anterior thoracic sternum and pleon, ventral view (C) sterno-pleonal cavity with G 1 in situ, ventral view (D) pleon, ventral view (E) vulvae, ventral view (F)." figureDoi="10.3897/zookeys.1008.58854.figure2" httpUri="https://binary.pensoft.net/fig/492916" pageId="0" pageNumber="1">2A</figureCitation>
|
||
). Carpus with sharp spine at inner-distal angle (Fig.
|
||
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982 (A) female paratype (22.1 x 13.7 mm), AM P. 105524 (B). Dorsal habitus." figureDoi="10.3897/zookeys.1008.58854.figure1" httpUri="https://binary.pensoft.net/fig/492915" pageId="0" pageNumber="1">1 A</figureCitation>
|
||
). Major cheliped palm length about 1.5
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
height; dactylus 0.9
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
palm length (male) (Fig.
|
||
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982. Left maxilliped 3 (A) left G 2, pleonal view (B) left G 1, pleonal view (C) major cheliped (D) minor cheliped (E) colour in life (F). Scale bars: 1.0 mm." figureDoi="10.3897/zookeys.1008.58854.figure3" httpUri="https://binary.pensoft.net/fig/492917" pageId="0" pageNumber="1">3D, E</figureCitation>
|
||
), as long as palm (female). Palm surface pitted (Fig.
|
||
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982. Left maxilliped 3 (A) left G 2, pleonal view (B) left G 1, pleonal view (C) major cheliped (D) minor cheliped (E) colour in life (F). Scale bars: 1.0 mm." figureDoi="10.3897/zookeys.1008.58854.figure3" httpUri="https://binary.pensoft.net/fig/492917" pageId="0" pageNumber="1">3D, E</figureCitation>
|
||
). Dactylus as long as pollex (Fig.
|
||
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982. Left maxilliped 3 (A) left G 2, pleonal view (B) left G 1, pleonal view (C) major cheliped (D) minor cheliped (E) colour in life (F). Scale bars: 1.0 mm." figureDoi="10.3897/zookeys.1008.58854.figure3" httpUri="https://binary.pensoft.net/fig/492917" pageId="0" pageNumber="1">3D, E</figureCitation>
|
||
). Occlusal margin of fingers with 18-20 irregular blunt teeth, without gape when closed (Fig.
|
||
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982. Left maxilliped 3 (A) left G 2, pleonal view (B) left G 1, pleonal view (C) major cheliped (D) minor cheliped (E) colour in life (F). Scale bars: 1.0 mm." figureDoi="10.3897/zookeys.1008.58854.figure3" httpUri="https://binary.pensoft.net/fig/492917" pageId="0" pageNumber="1">3D, E</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="1">
|
||
Ambulatory legs (pereiopods 2-5) slender with very sparse short setae (Fig.
|
||
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982 (A) female paratype (22.1 x 13.7 mm), AM P. 105524 (B). Dorsal habitus." figureDoi="10.3897/zookeys.1008.58854.figure1" httpUri="https://binary.pensoft.net/fig/492915" pageId="0" pageNumber="1">1</figureCitation>
|
||
). Pereiopod 3 merus 0.9
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
CL (male) (Fig.
|
||
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982 (A) female paratype (22.1 x 13.7 mm), AM P. 105524 (B). Dorsal habitus." figureDoi="10.3897/zookeys.1008.58854.figure1" httpUri="https://binary.pensoft.net/fig/492915" pageId="0" pageNumber="1">1A</figureCitation>
|
||
), 0.8
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
CL (female) (Fig.
|
||
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982 (A) female paratype (22.1 x 13.7 mm), AM P. 105524 (B). Dorsal habitus." figureDoi="10.3897/zookeys.1008.58854.figure1" httpUri="https://binary.pensoft.net/fig/492915" pageId="0" pageNumber="1">1B</figureCitation>
|
||
). Pereiopod 5 propodus length 2.8
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
height (male) (Fig.
|
||
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982 (A) female paratype (22.1 x 13.7 mm), AM P. 105524 (B). Dorsal habitus." figureDoi="10.3897/zookeys.1008.58854.figure1" httpUri="https://binary.pensoft.net/fig/492915" pageId="0" pageNumber="1">1A</figureCitation>
|
||
), 3.4 height (female) (Fig.
|
||
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982 (A) female paratype (22.1 x 13.7 mm), AM P. 105524 (B). Dorsal habitus." figureDoi="10.3897/zookeys.1008.58854.figure1" httpUri="https://binary.pensoft.net/fig/492915" pageId="0" pageNumber="1">1B</figureCitation>
|
||
), shorter than dactylus; dactylus length 6.1
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
height (male) (Fig.
|
||
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982 (A) female paratype (22.1 x 13.7 mm), AM P. 105524 (B). Dorsal habitus." figureDoi="10.3897/zookeys.1008.58854.figure1" httpUri="https://binary.pensoft.net/fig/492915" pageId="0" pageNumber="1">1A</figureCitation>
|
||
), 6.2
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
height (female) (Fig.
|
||
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982 (A) female paratype (22.1 x 13.7 mm), AM P. 105524 (B). Dorsal habitus." figureDoi="10.3897/zookeys.1008.58854.figure1" httpUri="https://binary.pensoft.net/fig/492915" pageId="0" pageNumber="1">1B</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="1">
|
||
Male thoracic sternum generally smooth, pitted; sternites 1-4 width about 2.3
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
length; sternites 1, 2 forming indistinguishably fused, broad triangle; fused sternites 1, 2 demarcated from sternite 3 by shallow transverse sulcus; sternites 3, 4 fused without indication of demarcation except for shallow lateral notch (Fig.
|
||
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982 (A-D) female paratype (22.1 x 13.7 mm), AM P. 105524 (E, F). Cephalothorax, anterior view (A) anterior thoracic sternum (B) anterior thoracic sternum and pleon, ventral view (C) sterno-pleonal cavity with G 1 in situ, ventral view (D) pleon, ventral view (E) vulvae, ventral view (F)." figureDoi="10.3897/zookeys.1008.58854.figure2" httpUri="https://binary.pensoft.net/fig/492916" pageId="0" pageNumber="1">2B</figureCitation>
|
||
). Male sterno-pleonal cavity reaching anteriorly slightly beyond level of cheliped coxa articular condyle (Fig.
|
||
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982 (A-D) female paratype (22.1 x 13.7 mm), AM P. 105524 (E, F). Cephalothorax, anterior view (A) anterior thoracic sternum (B) anterior thoracic sternum and pleon, ventral view (C) sterno-pleonal cavity with G 1 in situ, ventral view (D) pleon, ventral view (E) vulvae, ventral view (F)." figureDoi="10.3897/zookeys.1008.58854.figure2" httpUri="https://binary.pensoft.net/fig/492916" pageId="0" pageNumber="1">2B</figureCitation>
|
||
); deep median longitudinal groove between sternites 7, 8 (Fig.
|
||
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982 (A-D) female paratype (22.1 x 13.7 mm), AM P. 105524 (E, F). Cephalothorax, anterior view (A) anterior thoracic sternum (B) anterior thoracic sternum and pleon, ventral view (C) sterno-pleonal cavity with G 1 in situ, ventral view (D) pleon, ventral view (E) vulvae, ventral view (F)." figureDoi="10.3897/zookeys.1008.58854.figure2" httpUri="https://binary.pensoft.net/fig/492916" pageId="0" pageNumber="1">2D</figureCitation>
|
||
). Male pleonal locking tubercle positioned at mid-length of sternite 5 (Fig.
|
||
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982 (A-D) female paratype (22.1 x 13.7 mm), AM P. 105524 (E, F). Cephalothorax, anterior view (A) anterior thoracic sternum (B) anterior thoracic sternum and pleon, ventral view (C) sterno-pleonal cavity with G 1 in situ, ventral view (D) pleon, ventral view (E) vulvae, ventral view (F)." figureDoi="10.3897/zookeys.1008.58854.figure2" httpUri="https://binary.pensoft.net/fig/492916" pageId="0" pageNumber="1">2D</figureCitation>
|
||
). Female vulvae reaching sutures of sternites 5/6 anteriorly but not posteriorly to sutures of sternites 6/7, positioned widely apart from each other (Fig.
|
||
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982 (A-D) female paratype (22.1 x 13.7 mm), AM P. 105524 (E, F). Cephalothorax, anterior view (A) anterior thoracic sternum (B) anterior thoracic sternum and pleon, ventral view (C) sterno-pleonal cavity with G 1 in situ, ventral view (D) pleon, ventral view (E) vulvae, ventral view (F)." figureDoi="10.3897/zookeys.1008.58854.figure2" httpUri="https://binary.pensoft.net/fig/492916" pageId="0" pageNumber="1">2F</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="1">
|
||
Male pleon broadly triangular; somites 3-6 progressively narrower; somite 6 width approximately 2.7
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
length; telson width 1.6
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
length; lateral margins slightly convex, apex rounded (Fig.
|
||
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982 (A-D) female paratype (22.1 x 13.7 mm), AM P. 105524 (E, F). Cephalothorax, anterior view (A) anterior thoracic sternum (B) anterior thoracic sternum and pleon, ventral view (C) sterno-pleonal cavity with G 1 in situ, ventral view (D) pleon, ventral view (E) vulvae, ventral view (F)." figureDoi="10.3897/zookeys.1008.58854.figure2" httpUri="https://binary.pensoft.net/fig/492916" pageId="0" pageNumber="1">2C</figureCitation>
|
||
). Female pleon subovate (Fig.
|
||
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982 (A-D) female paratype (22.1 x 13.7 mm), AM P. 105524 (E, F). Cephalothorax, anterior view (A) anterior thoracic sternum (B) anterior thoracic sternum and pleon, ventral view (C) sterno-pleonal cavity with G 1 in situ, ventral view (D) pleon, ventral view (E) vulvae, ventral view (F)." figureDoi="10.3897/zookeys.1008.58854.figure2" httpUri="https://binary.pensoft.net/fig/492916" pageId="0" pageNumber="1">2E</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="1">
|
||
G1 tapering, slightly sinuous, tip exceeding pleonal locking tubercle but not reaching suture between thoracic sternites 4/5
|
||
<emphasis italics="true" pageId="0" pageNumber="1">in situ</emphasis>
|
||
(Fig.
|
||
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982 (A-D) female paratype (22.1 x 13.7 mm), AM P. 105524 (E, F). Cephalothorax, anterior view (A) anterior thoracic sternum (B) anterior thoracic sternum and pleon, ventral view (C) sterno-pleonal cavity with G 1 in situ, ventral view (D) pleon, ventral view (E) vulvae, ventral view (F)." figureDoi="10.3897/zookeys.1008.58854.figure2" httpUri="https://binary.pensoft.net/fig/492916" pageId="0" pageNumber="1">2D</figureCitation>
|
||
); proximal segment length about 2.3
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
length of distal segment (Figs
|
||
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982. Left maxilliped 3 (A) left G 2, pleonal view (B) left G 1, pleonal view (C) major cheliped (D) minor cheliped (E) colour in life (F). Scale bars: 1.0 mm." figureDoi="10.3897/zookeys.1008.58854.figure3" httpUri="https://binary.pensoft.net/fig/492917" pageId="0" pageNumber="1">3C</figureCitation>
|
||
,
|
||
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Phasmon typhlops gen. nov. et sp. nov., gonopods: left G 1, abdominal view (A) left G 1, sternal view (B) left G 2, mesial view (C) left G 2, pleonal view (D). Scale bar: 0.5 mm." figureDoi="10.3897/zookeys.1008.58854.figure4" httpUri="https://binary.pensoft.net/fig/492918" pageId="0" pageNumber="1">4A, B</figureCitation>
|
||
). Distal segment slender, tapering anteriorly, slightly inclined towards midline; tip pointed upwards in dissected view (Figs
|
||
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982. Left maxilliped 3 (A) left G 2, pleonal view (B) left G 1, pleonal view (C) major cheliped (D) minor cheliped (E) colour in life (F). Scale bars: 1.0 mm." figureDoi="10.3897/zookeys.1008.58854.figure3" httpUri="https://binary.pensoft.net/fig/492917" pageId="0" pageNumber="1">3C</figureCitation>
|
||
,
|
||
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Phasmon typhlops gen. nov. et sp. nov., gonopods: left G 1, abdominal view (A) left G 1, sternal view (B) left G 2, mesial view (C) left G 2, pleonal view (D). Scale bar: 0.5 mm." figureDoi="10.3897/zookeys.1008.58854.figure4" httpUri="https://binary.pensoft.net/fig/492918" pageId="0" pageNumber="1">4A, B</figureCitation>
|
||
). G2 slender, almost straight, proximal portion with distal two-thirds subcylindrical, length about 2.4
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
length of distal portion (Figs
|
||
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982. Left maxilliped 3 (A) left G 2, pleonal view (B) left G 1, pleonal view (C) major cheliped (D) minor cheliped (E) colour in life (F). Scale bars: 1.0 mm." figureDoi="10.3897/zookeys.1008.58854.figure3" httpUri="https://binary.pensoft.net/fig/492917" pageId="0" pageNumber="1">3B</figureCitation>
|
||
,
|
||
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Phasmon typhlops gen. nov. et sp. nov., gonopods: left G 1, abdominal view (A) left G 1, sternal view (B) left G 2, mesial view (C) left G 2, pleonal view (D). Scale bar: 0.5 mm." figureDoi="10.3897/zookeys.1008.58854.figure4" httpUri="https://binary.pensoft.net/fig/492918" pageId="0" pageNumber="1">4C, D</figureCitation>
|
||
); distal portion flattened, apex acute, proximally with small triangular lobe.
|
||
</paragraph>
|
||
<caption doi="10.3897/zookeys.1008.58854.figure4" httpUri="https://binary.pensoft.net/fig/492918" pageId="0" pageNumber="1" start="Figure 4" startId="F4">
|
||
<paragraph pageId="0" pageNumber="1">
|
||
<emphasis bold="true" pageId="0" pageNumber="1">Figure 4.</emphasis>
|
||
<taxonomicName authorityName="Huang & Ahyong & Shih" authorityYear="2020" class="Malacostraca" family="Potamidae" genus="Phasmon" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Phasmon typhlops" order="Decapoda" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="typhlops">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Phasmon typhlops</emphasis>
|
||
</taxonomicName>
|
||
gen. nov. et sp. nov., gonopods: left G1, abdominal view (
|
||
<emphasis bold="true" pageId="0" pageNumber="1">A</emphasis>
|
||
) left G1, sternal view (
|
||
<emphasis bold="true" pageId="0" pageNumber="1">B</emphasis>
|
||
) left G2, mesial view (
|
||
<emphasis bold="true" pageId="0" pageNumber="1">C</emphasis>
|
||
) left G2, pleonal view (
|
||
<emphasis bold="true" pageId="0" pageNumber="1">D</emphasis>
|
||
). Scale bar: 0.5 mm.
|
||
</paragraph>
|
||
</caption>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="1" type="etymology">
|
||
<paragraph pageId="0" pageNumber="1">Etymology.</paragraph>
|
||
<paragraph pageId="0" pageNumber="1">
|
||
The species name is derived from the Greek words
|
||
<normalizedToken originalValue="“typhlos”">"typhlos"</normalizedToken>
|
||
and
|
||
<normalizedToken originalValue="“ops”">"ops"</normalizedToken>
|
||
, meaning
|
||
<normalizedToken originalValue="“blind”">"blind"</normalizedToken>
|
||
and
|
||
<normalizedToken originalValue="“eyes”">"eyes"</normalizedToken>
|
||
, respectively. It refers to the greatly reduced and non-functional eyes of this species.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="1" type="colour in life">
|
||
<paragraph pageId="0" pageNumber="1">Colour in life.</paragraph>
|
||
<paragraph pageId="0" pageNumber="1">
|
||
Pale yellowish-white all over (Fig.
|
||
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982. Left maxilliped 3 (A) left G 2, pleonal view (B) left G 1, pleonal view (C) major cheliped (D) minor cheliped (E) colour in life (F). Scale bars: 1.0 mm." figureDoi="10.3897/zookeys.1008.58854.figure3" httpUri="https://binary.pensoft.net/fig/492917" pageId="0" pageNumber="1">3F</figureCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="1" type="habitat">
|
||
<paragraph pageId="0" pageNumber="1">Habitat.</paragraph>
|
||
<paragraph pageId="0" pageNumber="1">
|
||
<taxonomicName authorityName="Huang & Ahyong & Shih" authorityYear="2020" class="Malacostraca" family="Potamidae" genus="Phasmon" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Phasmon typhlops" order="Decapoda" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="typhlops">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Phasmon typhlops</emphasis>
|
||
</taxonomicName>
|
||
gen. nov. et sp. nov. occurs in subterranean karst streams, but little is currently known about its precise habitat. According to the collector, subterranean streams in the dark zone of caves appear to be the primary habitat of
|
||
<taxonomicName lsidName="P. typhlops" pageId="0" pageNumber="1" rank="species" species="typhlops">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">P. typhlops</emphasis>
|
||
</taxonomicName>
|
||
sp. nov., where it has been found in shallow and still water as well as flowing streamways. However, some specimens have also been captured at night from a karstic spring that is immediately connected to the more extensive subterranean karst system. We only examined the two type specimens, of which the holotype was collected from the former habitat and the paratype from the latter. An epigean species,
|
||
<taxonomicName class="Crustacea" family="Potamidae" genus="Lacunipotamon" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lacunipotamon cymatile" order="Decapoda" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="cymatile">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Lacunipotamon cymatile</emphasis>
|
||
</taxonomicName>
|
||
, inhabits the areas immediately adjacent to the spring and has been observed to prey on
|
||
<taxonomicName authorityName="Huang & Ahyong & Shih" authorityYear="2020" class="Malacostraca" family="Potamidae" genus="Phasmon" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Phasmon typhlops" order="Decapoda" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="typhlops">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Phasmon typhlops</emphasis>
|
||
</taxonomicName>
|
||
gen. nov. et sp. nov. (
|
||
<bibRefCitation DOI="https://doi.org/10.1163/15685403-bja10067" author="Huang, C" journalOrPublisher="Crustaceana" pageId="0" pageNumber="1" pagination="1361 - 1379" refId="B21" refString="Huang, C, Shih, HT, Ahyong, ST, 2020c. The freshwater crab genus Lacunipotamon Dai, Song, He, Cao, Xu & Zhong, 1975 (Decapoda: Brachyura: Potamidae), with descriptions of two new species from southwestern China. Crustaceana 93: 1361 - 1379, DOI: https://doi.org/10.1163/15685403-bja10067" title="The freshwater crab genus Lacunipotamon Dai, Song, He, Cao, Xu & Zhong, 1975 (Decapoda: Brachyura: Potamidae), with descriptions of two new species from southwestern China." url="https://doi.org/10.1163/15685403-bja10067" volume="93" year="2020 c">Huang et al. 2020c</bibRefCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="1" type="distribution">
|
||
<paragraph pageId="0" pageNumber="1">Distribution.</paragraph>
|
||
<paragraph pageId="0" pageNumber="1">Chongzuo City, Guangxi Province, China.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="1" type="remarks">
|
||
<paragraph pageId="0" pageNumber="1">Remarks.</paragraph>
|
||
<paragraph pageId="0" pageNumber="1">
|
||
<taxonomicName authorityName="Huang & Ahyong & Shih" authorityYear="2020" class="Malacostraca" family="Potamidae" genus="Phasmon" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Phasmon typhlops" order="Decapoda" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="typhlops">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Phasmon typhlops</emphasis>
|
||
</taxonomicName>
|
||
gen. nov. et sp. nov. can be considered a true stygobite owing to its stygomorphic features, in particular the strong reduction of the eyes, body depigmentation and slightly elongated appendages, which are consistent with its subterranean lifestyle (
|
||
<bibRefCitation author="Holthuis, LB" journalOrPublisher="Zoologische Verhandelingen, Leiden" pageId="0" pageNumber="1" refId="B14" refString="Holthuis, LB, 1986. Decapoda. In: Botosaneanu, L. (Ed.) Stygofauna Mundi. A Faunistic, Distributional, and Ecological Synthesis of the World Fauna inhabiting Subterranean Waters (including the Marine Interstitial). Brill, Leiden, 589-615." title="Decapoda. In: Botosaneanu, L. (Ed.) Stygofauna Mundi. A Faunistic, Distributional, and Ecological Synthesis of the World Fauna inhabiting Subterranean Waters (including the Marine Interstitial). Brill, Leiden, 589 - 615." year="1986">Holthuis 1986</bibRefCitation>
|
||
;
|
||
<bibRefCitation author="Ng, PKL" journalOrPublisher="Stygologia" pageId="0" pageNumber="1" pagination="313 - 330" refId="B31" refString="Ng, PKL, Goh, R, 1987. Cavernicolous freshwater crabs (Crustacea Decapoda, Brachyura) from Sabah, Borneo. Stygologia 3: 313 - 330" title="Cavernicolous freshwater crabs (Crustacea Decapoda, Brachyura) from Sabah, Borneo." volume="3" year="1987">Ng and Goh 1987</bibRefCitation>
|
||
). Apart from
|
||
<taxonomicName lsidName="P. typhlops" pageId="0" pageNumber="1" rank="species" species="typhlops">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">P. typhlops</emphasis>
|
||
</taxonomicName>
|
||
gen. nov. et sp. nov.,
|
||
<taxonomicName authorityName="Huang, Shih & Ng" authorityYear="2017" class="Malacostraca" family="Potamidae" genus="Diyutamon" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" lsidName="Diyutamon cereum" order="Decapoda" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="cereum">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Diyutamon cereum</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName authorityName="Holthuis" authorityYear="1979" class="Malacostraca" family="Potamidae" genus="Cerberusa" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Cerberusa caeca" order="Decapoda" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="caeca">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Cerberusa caeca</emphasis>
|
||
</taxonomicName>
|
||
are the only other apparently blind stygomorphic potamid crabs known. We have not directly examined the eyes of
|
||
<taxonomicName lsidName="C. caeca" pageId="0" pageNumber="1" rank="species" species="caeca">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">C. caeca</emphasis>
|
||
</taxonomicName>
|
||
, but those of
|
||
<taxonomicName lsidName="D. cereum" pageId="0" pageNumber="1" rank="species" species="cereum">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">D. cereum</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName lsidName="P. typhlops" pageId="0" pageNumber="1" rank="species" species="typhlops">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">P. typhlops</emphasis>
|
||
</taxonomicName>
|
||
are unpigmented and the cornea is vestigial and without facets. Although we cannot exclude the possibility that the eyes of
|
||
<taxonomicName lsidName="D. cereum" pageId="0" pageNumber="1" rank="species" species="cereum">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">D. cereum</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName lsidName="P. typhlops" pageId="0" pageNumber="1" rank="species" species="typhlops">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">P. typhlops</emphasis>
|
||
</taxonomicName>
|
||
are capable of light detection, the absence of pigmentation or ommatidial facets indicates that the eyes are incapable of image formation. The enlarged antennules as present in
|
||
<taxonomicName authorityName="Huang & Ahyong & Shih" authorityYear="2020" class="Malacostraca" family="Potamidae" genus="Phasmon" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Phasmon" order="Decapoda" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Phasmon</emphasis>
|
||
</taxonomicName>
|
||
gen. nov. are otherwise seen in only a few cavernicolous freshwater crabs such as the gecarcinucids
|
||
<taxonomicName authorityName="Husana, Naruse & Kase" authorityYear="2009" class="Reptilia" family="Gecarcinucidae" genus="Sundathelphusa" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Sundathelphusa waray" order="Squamata" pageId="0" pageNumber="1" phylum="Chordata" rank="species" species="waray">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Sundathelphusa waray</emphasis>
|
||
</taxonomicName>
|
||
Husana, Naruse & Kase, 2009, and
|
||
<taxonomicName lsidName="S. lobo" pageId="0" pageNumber="1" rank="species" species="lobo">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">S. lobo</emphasis>
|
||
</taxonomicName>
|
||
Husana, Naruse & Kase, 2009 (
|
||
<bibRefCitation DOI="https://doi.org/10.1651/08-3081.1" author="Husana, DEM" journalOrPublisher="Journal of Crustacean Biology" pageId="0" pageNumber="1" pagination="419 - 427" refId="B24" refString="Husana, DEM, Naruse, T, Kase, T, 2009. Two new cavernicolous species of the genus Sundathelphusa from western Samar, Philippines (Decapoda: Brachyura: Parathelphusidae). Journal of Crustacean Biology 29: 419 - 427, DOI: https://doi.org/10.1651/08-3081.1" title="Two new cavernicolous species of the genus Sundathelphusa from western Samar, Philippines (Decapoda: Brachyura: Parathelphusidae)." url="https://doi.org/10.1651/08-3081.1" volume="29" year="2009">Husana et al. 2009</bibRefCitation>
|
||
: figs 2B, 5B), and are likely a sensory compensation for the loss of vision (
|
||
<bibRefCitation author="Culver, DC" journalOrPublisher="Harvard University Press, Cambridge" pageId="0" pageNumber="1" refId="B6" refString="Culver, DC, Kane, TC, Fong, DW, 1995. Adaptation and Natural Selection in Caves: the Evolution of Gammarusminus. Harvard University Press, Cambridge" title="Adaptation and Natural Selection in Caves: the Evolution of Gammarusminus." year="1995">Culver et al. 1995</bibRefCitation>
|
||
). Other than these two species, there are other stygomorphic gecarcinucids from Asia, but these can be separated from the new species by obvious family-level characters.
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="1">
|
||
Sexual dimorphism is evident in our two specimens of
|
||
<taxonomicName lsidName="P. typhlops" pageId="0" pageNumber="1" rank="species" species="typhlops">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">P. typhlops</emphasis>
|
||
</taxonomicName>
|
||
: the smaller male holotype has proportionally longer but stouter legs in comparison to the larger female. The anterior carapace of the larger female is also proportionately wider than the posterior than in the male. Although the differences in leg proportions follow the pattern of sexual dimorphism observed in other potamids (e.g.,
|
||
<bibRefCitation DOI="https://doi.org/10.11646/zootaxa.4766.3.4" author="Huang, C" journalOrPublisher="Zootaxa" pageId="0" pageNumber="1" pagination="447 - 456" refId="B18" refString="Huang, C, Huang, SZ, Shen, ZX, 2020b. A new long-legged terrestrial freshwater crab, Calcipotamon puglabrum gen. nov. et sp. nov. (Crustacea: Decapoda: Potamidae), from Hainan Island, China. Zootaxa 4766: 447 - 456, DOI: https://doi.org/10.11646/zootaxa.4766.3.4" title="A new long-legged terrestrial freshwater crab, Calcipotamon puglabrum gen. nov. et sp. nov. (Crustacea: Decapoda: Potamidae), from Hainan Island, China." url="https://doi.org/10.11646/zootaxa.4766.3.4" volume="4766" year="2020 b">Huang et al. 2020b</bibRefCitation>
|
||
), whether this carapace difference is due to size, sex or general variation remains to be determined.
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="1">
|
||
Taxonomically, the most striking features of
|
||
<taxonomicName authorityName="Huang & Ahyong & Shih" authorityYear="2020" class="Malacostraca" family="Potamidae" genus="Phasmon" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Phasmon" order="Decapoda" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Phasmon</emphasis>
|
||
</taxonomicName>
|
||
gen. nov. are its very wide carapace (CW/CL=1.6; Fig.
|
||
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982 (A) female paratype (22.1 x 13.7 mm), AM P. 105524 (B). Dorsal habitus." figureDoi="10.3897/zookeys.1008.58854.figure1" httpUri="https://binary.pensoft.net/fig/492915" pageId="0" pageNumber="1">1</figureCitation>
|
||
) and wide male anterior thoracic sternum (width 2.3
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
length; Fig.
|
||
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982 (A-D) female paratype (22.1 x 13.7 mm), AM P. 105524 (E, F). Cephalothorax, anterior view (A) anterior thoracic sternum (B) anterior thoracic sternum and pleon, ventral view (C) sterno-pleonal cavity with G 1 in situ, ventral view (D) pleon, ventral view (E) vulvae, ventral view (F)." figureDoi="10.3897/zookeys.1008.58854.figure2" httpUri="https://binary.pensoft.net/fig/492916" pageId="0" pageNumber="1">2B</figureCitation>
|
||
). These characters combined immediately separate
|
||
<taxonomicName authorityName="Huang & Ahyong & Shih" authorityYear="2020" class="Malacostraca" family="Potamidae" genus="Phasmon" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Phasmon" order="Decapoda" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Phasmon</emphasis>
|
||
</taxonomicName>
|
||
gen. nov. from all other potamid genera.
|
||
<taxonomicName authorityName="Huang, Shih & Ng" authorityYear="2017" class="Malacostraca" family="Potamidae" genus="Diyutamon" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" lsidName="Diyutamon cereum" order="Decapoda" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="cereum">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Diyutamon cereum</emphasis>
|
||
</taxonomicName>
|
||
occurs in Guizhou, which is relatively close to the type locality of
|
||
<taxonomicName lsidName="P. typhlops" pageId="0" pageNumber="1" rank="species" species="typhlops">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">P. typhlops</emphasis>
|
||
</taxonomicName>
|
||
gen. nov. et sp. nov.
|
||
<taxonomicName authorityName="Huang & Ahyong & Shih" authorityYear="2020" class="Malacostraca" family="Potamidae" genus="Phasmon" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Phasmon typhlops" order="Decapoda" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="typhlops">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Phasmon typhlops</emphasis>
|
||
</taxonomicName>
|
||
gen. n. et sp. n. can be separated from
|
||
<taxonomicName lsidName="D. cereum" pageId="0" pageNumber="1" rank="species" species="cereum">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">D. cereum</emphasis>
|
||
</taxonomicName>
|
||
by its proportionally wider carapace (CW/CL=1.6 vs. 1.3-1.4 in
|
||
<taxonomicName lsidName="D. cereum" pageId="0" pageNumber="1" rank="species" species="cereum">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">D. cereum</emphasis>
|
||
</taxonomicName>
|
||
;
|
||
<bibRefCitation DOI="https://doi.org/10.11646/zootaxa.4232.1.5" author="Huang, C" journalOrPublisher="Zootaxa" pageId="0" pageNumber="1" pagination="71 - 84" refId="B22" refString="Huang, C, Shih, HT, Ng, PKL, 2017b. A new genus and new species of Potamidae (Crustacea: Decapoda: Brachyura: Potamoidea), the first stygomorphic cave crab known from China and East Asia. Zootaxa 4232: 71 - 84, DOI: https://doi.org/10.11646/zootaxa.4232.1.5" title="A new genus and new species of Potamidae (Crustacea: Decapoda: Brachyura: Potamoidea), the first stygomorphic cave crab known from China and East Asia." url="https://doi.org/10.11646/zootaxa.4232.1.5" volume="4232" year="2017 b">Huang et al. 2017b</bibRefCitation>
|
||
: fig. 2A); granulate anterolateral carapace margins (Fig.
|
||
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982 (A) female paratype (22.1 x 13.7 mm), AM P. 105524 (B). Dorsal habitus." figureDoi="10.3897/zookeys.1008.58854.figure1" httpUri="https://binary.pensoft.net/fig/492915" pageId="0" pageNumber="1">1</figureCitation>
|
||
) (vs. spinose in
|
||
<taxonomicName lsidName="D. cereum" pageId="0" pageNumber="1" rank="species" species="cereum">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">D. cereum</emphasis>
|
||
</taxonomicName>
|
||
;
|
||
<bibRefCitation DOI="https://doi.org/10.11646/zootaxa.4232.1.5" author="Huang, C" journalOrPublisher="Zootaxa" pageId="0" pageNumber="1" pagination="71 - 84" refId="B22" refString="Huang, C, Shih, HT, Ng, PKL, 2017b. A new genus and new species of Potamidae (Crustacea: Decapoda: Brachyura: Potamoidea), the first stygomorphic cave crab known from China and East Asia. Zootaxa 4232: 71 - 84, DOI: https://doi.org/10.11646/zootaxa.4232.1.5" title="A new genus and new species of Potamidae (Crustacea: Decapoda: Brachyura: Potamoidea), the first stygomorphic cave crab known from China and East Asia." url="https://doi.org/10.11646/zootaxa.4232.1.5" volume="4232" year="2017 b">Huang et al. 2017b</bibRefCitation>
|
||
: fig. 2A); proportionally wider male anterior thoracic sternum (width 2.3
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
length vs. width 1.7
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
length in
|
||
<taxonomicName lsidName="D. cereum" pageId="0" pageNumber="1" rank="species" species="cereum">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">D. cereum</emphasis>
|
||
</taxonomicName>
|
||
;
|
||
<bibRefCitation DOI="https://doi.org/10.11646/zootaxa.4232.1.5" author="Huang, C" journalOrPublisher="Zootaxa" pageId="0" pageNumber="1" pagination="71 - 84" refId="B22" refString="Huang, C, Shih, HT, Ng, PKL, 2017b. A new genus and new species of Potamidae (Crustacea: Decapoda: Brachyura: Potamoidea), the first stygomorphic cave crab known from China and East Asia. Zootaxa 4232: 71 - 84, DOI: https://doi.org/10.11646/zootaxa.4232.1.5" title="A new genus and new species of Potamidae (Crustacea: Decapoda: Brachyura: Potamoidea), the first stygomorphic cave crab known from China and East Asia." url="https://doi.org/10.11646/zootaxa.4232.1.5" volume="4232" year="2017 b">Huang et al. 2017b</bibRefCitation>
|
||
: fig. 6C); proportionally wider male pleon (compare Fig.
|
||
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982 (A-D) female paratype (22.1 x 13.7 mm), AM P. 105524 (E, F). Cephalothorax, anterior view (A) anterior thoracic sternum (B) anterior thoracic sternum and pleon, ventral view (C) sterno-pleonal cavity with G 1 in situ, ventral view (D) pleon, ventral view (E) vulvae, ventral view (F)." figureDoi="10.3897/zookeys.1008.58854.figure2" httpUri="https://binary.pensoft.net/fig/492916" pageId="0" pageNumber="1">2C</figureCitation>
|
||
with
|
||
<bibRefCitation DOI="https://doi.org/10.11646/zootaxa.4232.1.5" author="Huang, C" journalOrPublisher="Zootaxa" pageId="0" pageNumber="1" pagination="71 - 84" refId="B22" refString="Huang, C, Shih, HT, Ng, PKL, 2017b. A new genus and new species of Potamidae (Crustacea: Decapoda: Brachyura: Potamoidea), the first stygomorphic cave crab known from China and East Asia. Zootaxa 4232: 71 - 84, DOI: https://doi.org/10.11646/zootaxa.4232.1.5" title="A new genus and new species of Potamidae (Crustacea: Decapoda: Brachyura: Potamoidea), the first stygomorphic cave crab known from China and East Asia." url="https://doi.org/10.11646/zootaxa.4232.1.5" volume="4232" year="2017 b">Huang et al. 2017b</bibRefCitation>
|
||
: fig. 2C); male thoracic sternite 8 being fully concealed when the pleon is closed (Fig.
|
||
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982 (A-D) female paratype (22.1 x 13.7 mm), AM P. 105524 (E, F). Cephalothorax, anterior view (A) anterior thoracic sternum (B) anterior thoracic sternum and pleon, ventral view (C) sterno-pleonal cavity with G 1 in situ, ventral view (D) pleon, ventral view (E) vulvae, ventral view (F)." figureDoi="10.3897/zookeys.1008.58854.figure2" httpUri="https://binary.pensoft.net/fig/492916" pageId="0" pageNumber="1">2C</figureCitation>
|
||
) (vs. partially exposed in
|
||
<taxonomicName lsidName="D. cereum" pageId="0" pageNumber="1" rank="species" species="cereum">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">D. cereum</emphasis>
|
||
</taxonomicName>
|
||
;
|
||
<bibRefCitation DOI="https://doi.org/10.11646/zootaxa.4232.1.5" author="Huang, C" journalOrPublisher="Zootaxa" pageId="0" pageNumber="1" pagination="71 - 84" refId="B22" refString="Huang, C, Shih, HT, Ng, PKL, 2017b. A new genus and new species of Potamidae (Crustacea: Decapoda: Brachyura: Potamoidea), the first stygomorphic cave crab known from China and East Asia. Zootaxa 4232: 71 - 84, DOI: https://doi.org/10.11646/zootaxa.4232.1.5" title="A new genus and new species of Potamidae (Crustacea: Decapoda: Brachyura: Potamoidea), the first stygomorphic cave crab known from China and East Asia." url="https://doi.org/10.11646/zootaxa.4232.1.5" volume="4232" year="2017 b">Huang et al. 2017b</bibRefCitation>
|
||
: fig. 3E, F); and its relatively shorter and stouter walking legs (Fig.
|
||
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982 (A) female paratype (22.1 x 13.7 mm), AM P. 105524 (B). Dorsal habitus." figureDoi="10.3897/zookeys.1008.58854.figure1" httpUri="https://binary.pensoft.net/fig/492915" pageId="0" pageNumber="1">1</figureCitation>
|
||
) (see
|
||
<bibRefCitation DOI="https://doi.org/10.11646/zootaxa.4232.1.5" author="Huang, C" journalOrPublisher="Zootaxa" pageId="0" pageNumber="1" pagination="71 - 84" refId="B22" refString="Huang, C, Shih, HT, Ng, PKL, 2017b. A new genus and new species of Potamidae (Crustacea: Decapoda: Brachyura: Potamoidea), the first stygomorphic cave crab known from China and East Asia. Zootaxa 4232: 71 - 84, DOI: https://doi.org/10.11646/zootaxa.4232.1.5" title="A new genus and new species of Potamidae (Crustacea: Decapoda: Brachyura: Potamoidea), the first stygomorphic cave crab known from China and East Asia." url="https://doi.org/10.11646/zootaxa.4232.1.5" volume="4232" year="2017 b">Huang et al. 2017b</bibRefCitation>
|
||
: fig. 2A).
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="1">
|
||
<taxonomicName authorityName="Huang & Ahyong & Shih" authorityYear="2020" class="Malacostraca" family="Potamidae" genus="Phasmon" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Phasmon typhlops" order="Decapoda" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="typhlops">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Phasmon typhlops</emphasis>
|
||
</taxonomicName>
|
||
gen. nov. et sp. nov. is similar to
|
||
<taxonomicName authorityName="Holthuis" authorityYear="1979" class="Malacostraca" family="Potamidae" genus="Cerberusa" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Cerberusa caeca" order="Decapoda" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="caeca">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Cerberusa caeca</emphasis>
|
||
</taxonomicName>
|
||
in general physiognomy and size. However, the new species can immediately be distinguished by its proportionally wider carapace (CW/CL=1.6 vs. 1.3-1.4 in
|
||
<taxonomicName lsidName="C. caeca" pageId="0" pageNumber="1" rank="species" species="caeca">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">C. caeca</emphasis>
|
||
</taxonomicName>
|
||
;
|
||
<bibRefCitation author="Holthuis, LB" journalOrPublisher="Zoologische Verhandelingen, Leiden" pageId="0" pageNumber="1" pagination="1 - 47" refId="B13" refString="Holthuis, LB, 1979. Cavernicolous and terrestrial decapod Crustacea from northern Sarawak, Borneo. Zoologische Verhandelingen, Leiden 171: 1 - 47" title="Cavernicolous and terrestrial decapod Crustacea from northern Sarawak, Borneo." volume="171" year="1979">Holthuis 1979</bibRefCitation>
|
||
: pl. 8); almost indiscernible postorbital cristae (Fig.
|
||
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982 (A) female paratype (22.1 x 13.7 mm), AM P. 105524 (B). Dorsal habitus." figureDoi="10.3897/zookeys.1008.58854.figure1" httpUri="https://binary.pensoft.net/fig/492915" pageId="0" pageNumber="1">1</figureCitation>
|
||
) (vs. low, indicated by a transverse row of granules in
|
||
<taxonomicName lsidName="C. caeca" pageId="0" pageNumber="1" rank="species" species="caeca">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">C. caeca</emphasis>
|
||
</taxonomicName>
|
||
;
|
||
<bibRefCitation author="Holthuis, LB" journalOrPublisher="Zoologische Verhandelingen, Leiden" pageId="0" pageNumber="1" pagination="1 - 47" refId="B13" refString="Holthuis, LB, 1979. Cavernicolous and terrestrial decapod Crustacea from northern Sarawak, Borneo. Zoologische Verhandelingen, Leiden 171: 1 - 47" title="Cavernicolous and terrestrial decapod Crustacea from northern Sarawak, Borneo." volume="171" year="1979">Holthuis 1979</bibRefCitation>
|
||
: fig. 3A); proportionally wider male pleon (compare Fig.
|
||
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982 (A-D) female paratype (22.1 x 13.7 mm), AM P. 105524 (E, F). Cephalothorax, anterior view (A) anterior thoracic sternum (B) anterior thoracic sternum and pleon, ventral view (C) sterno-pleonal cavity with G 1 in situ, ventral view (D) pleon, ventral view (E) vulvae, ventral view (F)." figureDoi="10.3897/zookeys.1008.58854.figure2" httpUri="https://binary.pensoft.net/fig/492916" pageId="0" pageNumber="1">2C</figureCitation>
|
||
with
|
||
<bibRefCitation author="Holthuis, LB" journalOrPublisher="Zoologische Verhandelingen, Leiden" pageId="0" pageNumber="1" pagination="1 - 47" refId="B13" refString="Holthuis, LB, 1979. Cavernicolous and terrestrial decapod Crustacea from northern Sarawak, Borneo. Zoologische Verhandelingen, Leiden 171: 1 - 47" title="Cavernicolous and terrestrial decapod Crustacea from northern Sarawak, Borneo." volume="171" year="1979">Holthuis 1979</bibRefCitation>
|
||
: fig. 3C); and its slightly sinuous G1 (Figs
|
||
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982. Left maxilliped 3 (A) left G 2, pleonal view (B) left G 1, pleonal view (C) major cheliped (D) minor cheliped (E) colour in life (F). Scale bars: 1.0 mm." figureDoi="10.3897/zookeys.1008.58854.figure3" httpUri="https://binary.pensoft.net/fig/492917" pageId="0" pageNumber="1">3C</figureCitation>
|
||
,
|
||
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Phasmon typhlops gen. nov. et sp. nov., gonopods: left G 1, abdominal view (A) left G 1, sternal view (B) left G 2, mesial view (C) left G 2, pleonal view (D). Scale bar: 0.5 mm." figureDoi="10.3897/zookeys.1008.58854.figure4" httpUri="https://binary.pensoft.net/fig/492918" pageId="0" pageNumber="1">4A, B</figureCitation>
|
||
) (vs. strongly bent outwards in
|
||
<taxonomicName lsidName="C. caeca" pageId="0" pageNumber="1" rank="species" species="caeca">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">C. caeca</emphasis>
|
||
</taxonomicName>
|
||
;
|
||
<bibRefCitation author="Holthuis, LB" journalOrPublisher="Zoologische Verhandelingen, Leiden" pageId="0" pageNumber="1" pagination="1 - 47" refId="B13" refString="Holthuis, LB, 1979. Cavernicolous and terrestrial decapod Crustacea from northern Sarawak, Borneo. Zoologische Verhandelingen, Leiden 171: 1 - 47" title="Cavernicolous and terrestrial decapod Crustacea from northern Sarawak, Borneo." volume="171" year="1979">Holthuis 1979</bibRefCitation>
|
||
: fig. 3D).
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="1">
|
||
The G1 characteristics of
|
||
<taxonomicName authorityName="Huang & Ahyong & Shih" authorityYear="2020" class="Malacostraca" family="Potamidae" genus="Phasmon" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Phasmon" order="Decapoda" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Phasmon</emphasis>
|
||
</taxonomicName>
|
||
gen. nov. are rather unremarkable and particularly similar to those of
|
||
<taxonomicName authorityName="Dai & Naiyanetr" authorityYear="1994" class="Crustacea" family="Potamidae" genus="Chinapotamon" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Chinapotamon" order="Decapoda" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Chinapotamon</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName authorityName="Huang, Shih & Ng" authorityYear="2017" class="Malacostraca" family="Potamidae" genus="Diyutamon" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" lsidName="Diyutamon" order="Decapoda" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Diyutamon</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
<taxonomicName authorityName="Dai & Naiyanetr" authorityYear="1994" class="Crustacea" family="Potamidae" genus="Chinapotamon" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Chinapotamon" order="Decapoda" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Chinapotamon</emphasis>
|
||
</taxonomicName>
|
||
is also found in Guangxi and includes two cavernicolous species,
|
||
<taxonomicName lsidName="C. dashiwei" pageId="0" pageNumber="1" rank="species" species="dashiwei">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">C. dashiwei</emphasis>
|
||
</taxonomicName>
|
||
Ng, 2017 and
|
||
<taxonomicName lsidName="C. clarkei" pageId="0" pageNumber="1" rank="species" species="clarkei">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">C. clarkei</emphasis>
|
||
</taxonomicName>
|
||
Ng, 2017, of which the latter displays evidence of stygomorphism in reduced body pigmentation and well-developed, albeit proportionally smaller eyes than epigean congeners (
|
||
<bibRefCitation DOI="https://doi.org/10.18353/crustacea.46.0_1" author="Ng, PKL" journalOrPublisher="Crustacean Research" pageId="0" pageNumber="1" pagination="1 - 16" refId="B30" refString="Ng, PKL, 2017. Descriptions of two new cavernicolous species of Chinapotamon Dai & Naiyanetr, 1994 (Crustacea: Brachyura: Potamidae) from China. Crustacean Research 46: 1 - 16, DOI: https://doi.org/10.18353/crustacea.46.0_1" title="Descriptions of two new cavernicolous species of Chinapotamon Dai & Naiyanetr, 1994 (Crustacea: Brachyura: Potamidae) from China." url="https://doi.org/10.18353/crustacea.46.0_1" volume="46" year="2017">Ng 2017</bibRefCitation>
|
||
).
|
||
<taxonomicName authorityName="Huang & Ahyong & Shih" authorityYear="2020" class="Malacostraca" family="Potamidae" genus="Phasmon" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Phasmon" order="Decapoda" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Phasmon</emphasis>
|
||
</taxonomicName>
|
||
gen. nov. is readily distinguished from
|
||
<taxonomicName authorityName="Dai & Naiyanetr" authorityYear="1994" class="Crustacea" family="Potamidae" genus="Chinapotamon" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Chinapotamon" order="Decapoda" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Chinapotamon</emphasis>
|
||
</taxonomicName>
|
||
in: the proportionally wider carapace (CW/CL=1.6 vs. 1.3-1.4 in
|
||
<taxonomicName authorityName="Dai & Naiyanetr" authorityYear="1994" class="Crustacea" family="Potamidae" genus="Chinapotamon" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Chinapotamon" order="Decapoda" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Chinapotamon</emphasis>
|
||
</taxonomicName>
|
||
;
|
||
<bibRefCitation DOI="https://doi.org/10.18353/crustacea.46.0_1" author="Ng, PKL" journalOrPublisher="Crustacean Research" pageId="0" pageNumber="1" pagination="1 - 16" refId="B30" refString="Ng, PKL, 2017. Descriptions of two new cavernicolous species of Chinapotamon Dai & Naiyanetr, 1994 (Crustacea: Brachyura: Potamidae) from China. Crustacean Research 46: 1 - 16, DOI: https://doi.org/10.18353/crustacea.46.0_1" title="Descriptions of two new cavernicolous species of Chinapotamon Dai & Naiyanetr, 1994 (Crustacea: Brachyura: Potamidae) from China." url="https://doi.org/10.18353/crustacea.46.0_1" volume="46" year="2017">Ng 2017</bibRefCitation>
|
||
: figs 2, 6;
|
||
<bibRefCitation DOI="https://doi.org/10.7717/peerj.5947" author="Zou, JX" journalOrPublisher="Crustaceana" pageId="0" pageNumber="1" refId="B51" refString="Zou, JX, Bai, J, Zhou, XM, 2018. A new species of karst-dwelling freshwater crab of the genus Chinapotamon Dai & Naiyanetr, 1994 (Crustacea: Decapoda: Brachyura: Potamidae), from Guizhou, southwest China. PeerJ 6: e5947. https://doi.org/10.7717/peerj.5947" title="A new species of karst-dwelling freshwater crab of the genus Chinapotamon Dai & Naiyanetr, 1994 (Crustacea: Decapoda: Brachyura: Potamidae), from Guizhou, southwest China. PeerJ 6: e 5947." url="https://doi.org/10.7717/peerj.5947" year="2018">Zou et al. 2018</bibRefCitation>
|
||
: fig. 2); the frontal margin being continuous with the supraorbital margin, forming an almost straight transverse margin in dorsal view (Fig.
|
||
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982 (A) female paratype (22.1 x 13.7 mm), AM P. 105524 (B). Dorsal habitus." figureDoi="10.3897/zookeys.1008.58854.figure1" httpUri="https://binary.pensoft.net/fig/492915" pageId="0" pageNumber="1">1</figureCitation>
|
||
) (vs. supraorbital margin distinctly concave in dorsal view in
|
||
<taxonomicName authorityName="Dai & Naiyanetr" authorityYear="1994" class="Crustacea" family="Potamidae" genus="Chinapotamon" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Chinapotamon" order="Decapoda" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Chinapotamon</emphasis>
|
||
</taxonomicName>
|
||
;
|
||
<bibRefCitation DOI="https://doi.org/10.18353/crustacea.46.0_1" author="Ng, PKL" journalOrPublisher="Crustacean Research" pageId="0" pageNumber="1" pagination="1 - 16" refId="B30" refString="Ng, PKL, 2017. Descriptions of two new cavernicolous species of Chinapotamon Dai & Naiyanetr, 1994 (Crustacea: Brachyura: Potamidae) from China. Crustacean Research 46: 1 - 16, DOI: https://doi.org/10.18353/crustacea.46.0_1" title="Descriptions of two new cavernicolous species of Chinapotamon Dai & Naiyanetr, 1994 (Crustacea: Brachyura: Potamidae) from China." url="https://doi.org/10.18353/crustacea.46.0_1" volume="46" year="2017">Ng 2017</bibRefCitation>
|
||
: figs 2, 6;
|
||
<bibRefCitation DOI="https://doi.org/10.7717/peerj.5947" author="Zou, JX" journalOrPublisher="Crustaceana" pageId="0" pageNumber="1" refId="B51" refString="Zou, JX, Bai, J, Zhou, XM, 2018. A new species of karst-dwelling freshwater crab of the genus Chinapotamon Dai & Naiyanetr, 1994 (Crustacea: Decapoda: Brachyura: Potamidae), from Guizhou, southwest China. PeerJ 6: e5947. https://doi.org/10.7717/peerj.5947" title="A new species of karst-dwelling freshwater crab of the genus Chinapotamon Dai & Naiyanetr, 1994 (Crustacea: Decapoda: Brachyura: Potamidae), from Guizhou, southwest China. PeerJ 6: e 5947." url="https://doi.org/10.7717/peerj.5947" year="2018">Zou et al. 2018</bibRefCitation>
|
||
: fig. 2); the vestigial, unpigmented eyes (Fig.
|
||
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982 (A-D) female paratype (22.1 x 13.7 mm), AM P. 105524 (E, F). Cephalothorax, anterior view (A) anterior thoracic sternum (B) anterior thoracic sternum and pleon, ventral view (C) sterno-pleonal cavity with G 1 in situ, ventral view (D) pleon, ventral view (E) vulvae, ventral view (F)." figureDoi="10.3897/zookeys.1008.58854.figure2" httpUri="https://binary.pensoft.net/fig/492916" pageId="0" pageNumber="1">2A</figureCitation>
|
||
) (vs. well-developed, pigmented eyes in
|
||
<taxonomicName authorityName="Dai & Naiyanetr" authorityYear="1994" class="Crustacea" family="Potamidae" genus="Chinapotamon" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Chinapotamon" order="Decapoda" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Chinapotamon</emphasis>
|
||
</taxonomicName>
|
||
;
|
||
<bibRefCitation DOI="https://doi.org/10.18353/crustacea.46.0_1" author="Ng, PKL" journalOrPublisher="Crustacean Research" pageId="0" pageNumber="1" pagination="1 - 16" refId="B30" refString="Ng, PKL, 2017. Descriptions of two new cavernicolous species of Chinapotamon Dai & Naiyanetr, 1994 (Crustacea: Brachyura: Potamidae) from China. Crustacean Research 46: 1 - 16, DOI: https://doi.org/10.18353/crustacea.46.0_1" title="Descriptions of two new cavernicolous species of Chinapotamon Dai & Naiyanetr, 1994 (Crustacea: Brachyura: Potamidae) from China." url="https://doi.org/10.18353/crustacea.46.0_1" volume="46" year="2017">Ng 2017</bibRefCitation>
|
||
: fig. 6); the almost indiscernible epigastric cristae and postorbital cristae (Fig.
|
||
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982 (A) female paratype (22.1 x 13.7 mm), AM P. 105524 (B). Dorsal habitus." figureDoi="10.3897/zookeys.1008.58854.figure1" httpUri="https://binary.pensoft.net/fig/492915" pageId="0" pageNumber="1">1</figureCitation>
|
||
) (vs. clearly discernible in
|
||
<taxonomicName authorityName="Dai & Naiyanetr" authorityYear="1994" class="Crustacea" family="Potamidae" genus="Chinapotamon" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Chinapotamon" order="Decapoda" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Chinapotamon</emphasis>
|
||
</taxonomicName>
|
||
;
|
||
<bibRefCitation DOI="https://doi.org/10.18353/crustacea.46.0_1" author="Ng, PKL" journalOrPublisher="Crustacean Research" pageId="0" pageNumber="1" pagination="1 - 16" refId="B30" refString="Ng, PKL, 2017. Descriptions of two new cavernicolous species of Chinapotamon Dai & Naiyanetr, 1994 (Crustacea: Brachyura: Potamidae) from China. Crustacean Research 46: 1 - 16, DOI: https://doi.org/10.18353/crustacea.46.0_1" title="Descriptions of two new cavernicolous species of Chinapotamon Dai & Naiyanetr, 1994 (Crustacea: Brachyura: Potamidae) from China." url="https://doi.org/10.18353/crustacea.46.0_1" volume="46" year="2017">Ng 2017</bibRefCitation>
|
||
: figs 2, 6;
|
||
<bibRefCitation DOI="https://doi.org/10.7717/peerj.5947" author="Zou, JX" journalOrPublisher="Crustaceana" pageId="0" pageNumber="1" refId="B51" refString="Zou, JX, Bai, J, Zhou, XM, 2018. A new species of karst-dwelling freshwater crab of the genus Chinapotamon Dai & Naiyanetr, 1994 (Crustacea: Decapoda: Brachyura: Potamidae), from Guizhou, southwest China. PeerJ 6: e5947. https://doi.org/10.7717/peerj.5947" title="A new species of karst-dwelling freshwater crab of the genus Chinapotamon Dai & Naiyanetr, 1994 (Crustacea: Decapoda: Brachyura: Potamidae), from Guizhou, southwest China. PeerJ 6: e 5947." url="https://doi.org/10.7717/peerj.5947" year="2018">Zou et al. 2018</bibRefCitation>
|
||
: fig. 2); the proportionally wider male anterior thoracic sternum (width/length 2.3 vs. 1.6-1.7 in
|
||
<taxonomicName authorityName="Dai & Naiyanetr" authorityYear="1994" class="Crustacea" family="Potamidae" genus="Chinapotamon" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Chinapotamon" order="Decapoda" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Chinapotamon</emphasis>
|
||
</taxonomicName>
|
||
;
|
||
<bibRefCitation DOI="https://doi.org/10.18353/crustacea.46.0_1" author="Ng, PKL" journalOrPublisher="Crustacean Research" pageId="0" pageNumber="1" pagination="1 - 16" refId="B30" refString="Ng, PKL, 2017. Descriptions of two new cavernicolous species of Chinapotamon Dai & Naiyanetr, 1994 (Crustacea: Brachyura: Potamidae) from China. Crustacean Research 46: 1 - 16, DOI: https://doi.org/10.18353/crustacea.46.0_1" title="Descriptions of two new cavernicolous species of Chinapotamon Dai & Naiyanetr, 1994 (Crustacea: Brachyura: Potamidae) from China." url="https://doi.org/10.18353/crustacea.46.0_1" volume="46" year="2017">Ng 2017</bibRefCitation>
|
||
: figs 3A, 7A;
|
||
<bibRefCitation DOI="https://doi.org/10.7717/peerj.5947" author="Zou, JX" journalOrPublisher="Crustaceana" pageId="0" pageNumber="1" refId="B51" refString="Zou, JX, Bai, J, Zhou, XM, 2018. A new species of karst-dwelling freshwater crab of the genus Chinapotamon Dai & Naiyanetr, 1994 (Crustacea: Decapoda: Brachyura: Potamidae), from Guizhou, southwest China. PeerJ 6: e5947. https://doi.org/10.7717/peerj.5947" title="A new species of karst-dwelling freshwater crab of the genus Chinapotamon Dai & Naiyanetr, 1994 (Crustacea: Decapoda: Brachyura: Potamidae), from Guizhou, southwest China. PeerJ 6: e 5947." url="https://doi.org/10.7717/peerj.5947" year="2018">Zou et al. 2018</bibRefCitation>
|
||
: fig. 3A); and the proportionally wider male pleon (compare Fig.
|
||
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Phasmon typhlops gen. nov. et sp. nov., male holotype (14.4 x 9.0 mm), SYSBM 001982 (A-D) female paratype (22.1 x 13.7 mm), AM P. 105524 (E, F). Cephalothorax, anterior view (A) anterior thoracic sternum (B) anterior thoracic sternum and pleon, ventral view (C) sterno-pleonal cavity with G 1 in situ, ventral view (D) pleon, ventral view (E) vulvae, ventral view (F)." figureDoi="10.3897/zookeys.1008.58854.figure2" httpUri="https://binary.pensoft.net/fig/492916" pageId="0" pageNumber="1">2C</figureCitation>
|
||
with
|
||
<bibRefCitation DOI="https://doi.org/10.18353/crustacea.46.0_1" author="Ng, PKL" journalOrPublisher="Crustacean Research" pageId="0" pageNumber="1" pagination="1 - 16" refId="B30" refString="Ng, PKL, 2017. Descriptions of two new cavernicolous species of Chinapotamon Dai & Naiyanetr, 1994 (Crustacea: Brachyura: Potamidae) from China. Crustacean Research 46: 1 - 16, DOI: https://doi.org/10.18353/crustacea.46.0_1" title="Descriptions of two new cavernicolous species of Chinapotamon Dai & Naiyanetr, 1994 (Crustacea: Brachyura: Potamidae) from China." url="https://doi.org/10.18353/crustacea.46.0_1" volume="46" year="2017">Ng 2017</bibRefCitation>
|
||
: figs 3B, 7B;
|
||
<bibRefCitation DOI="https://doi.org/10.7717/peerj.5947" author="Zou, JX" journalOrPublisher="Crustaceana" pageId="0" pageNumber="1" refId="B51" refString="Zou, JX, Bai, J, Zhou, XM, 2018. A new species of karst-dwelling freshwater crab of the genus Chinapotamon Dai & Naiyanetr, 1994 (Crustacea: Decapoda: Brachyura: Potamidae), from Guizhou, southwest China. PeerJ 6: e5947. https://doi.org/10.7717/peerj.5947" title="A new species of karst-dwelling freshwater crab of the genus Chinapotamon Dai & Naiyanetr, 1994 (Crustacea: Decapoda: Brachyura: Potamidae), from Guizhou, southwest China. PeerJ 6: e 5947." url="https://doi.org/10.7717/peerj.5947" year="2018">Zou et al. 2018</bibRefCitation>
|
||
: fig. 3B).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</subSection>
|
||
</document> |