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<document ID-DOI="http://dx.doi.org/10.3897/zookeys.988.56188" ID-GBIF-Dataset="a38f6648-1c49-486b-a7ee-a877315d4e09" ID-PMC="PMC7666111" ID-Pensoft-Pub="1313-2970-988-63" ID-Pensoft-UUID="D5BC323AA5F05894AE8FBB10A3F0960D" ID-PubMed="33223891" ID-ZooBank="6E64D69BDD734A7EAE2B3CD21247A5E3" ModsDocID="1313-2970-988-63" checkinTime="1604753996846" checkinUser="pensoft" docAuthor="Li, Ya, Lin, Yucheng &amp; Li, Shuqiang" docDate="2020" docId="EFC94EA1FA6F5EF2943FB22F62B2B905" docLanguage="en" docName="ZooKeys 988: 63-128" docOrigin="ZooKeys 988" docSource="http://dx.doi.org/10.3897/zookeys.988.56188" docTitle="Crassignatha rostriformis Y. Lin &amp; S. Li 2020, sp. nov." docType="treatment" docUuid="3F86509B-A293-4591-85EF-E84F270C91AB" docUuidSource="ZooBank" docVersion="4" id="D5BC323AA5F05894AE8FBB10A3F0960D" lastPageNumber="63" masterDocId="D5BC323AA5F05894AE8FBB10A3F0960D" masterDocTitle="A review of Crassignatha (Araneae, Symphytognathidae)" masterLastPageNumber="128" masterPageNumber="63" pageNumber="63" updateTime="1668169799562" updateUser="ExternalLinkService">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>A review of Crassignatha (Araneae, Symphytognathidae)</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Li, Ya</mods:namePart>
<mods:affiliation>Key Laboratory of Bio-resources and Eco-environment (Ministry of Education), College of Life Sciences, Sichuan University, Chengdu, Sichuan 610064, China &amp; The Sichuan Key Laboratory for Conservation Biology of Endangered Wildlife, Sichuan University, Chengdu, Sichuan 610064, China</mods:affiliation>
<mods:nameIdentifier type="orcid">https://orcid.org/0000-0002-9558-4154</mods:nameIdentifier>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Lin, Yucheng</mods:namePart>
<mods:affiliation>Key Laboratory of Bio-resources and Eco-environment (Ministry of Education), College of Life Sciences, Sichuan University, Chengdu, Sichuan 610064, China &amp; The Sichuan Key Laboratory for Conservation Biology of Endangered Wildlife, Sichuan University, Chengdu, Sichuan 610064, China</mods:affiliation>
<mods:nameIdentifier type="email">linyucheng@scu.edu.cn</mods:nameIdentifier>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Li, Shuqiang</mods:namePart>
<mods:affiliation>Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China</mods:affiliation>
<mods:nameIdentifier type="orcid">https://orcid.org/0000-0002-3290-5416</mods:nameIdentifier>
<mods:nameIdentifier type="email">lisq@ioz.ac.cn</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="volume">
<mods:number>988</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>63</mods:start>
<mods:end>128</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:location>
<mods:url>http://dx.doi.org/10.3897/zookeys.988.56188</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.988.56188</mods:identifier>
<mods:identifier type="Pensoft-Pub">1313-2970-988-63</mods:identifier>
<mods:identifier type="ZooBank">6E64D69BDD734A7EAE2B3CD21247A5E3</mods:identifier>
<mods:identifier type="Pensoft-UUID">D5BC323AA5F05894AE8FBB10A3F0960D</mods:identifier>
</mods:mods>
<treatment ID-GBIF-Taxon="168821871" LSID="urn:lsid:zoobank.org:act:3F86509B-A293-4591-85EF-E84F270C91AB" httpUri="http://treatment.plazi.org/id/EFC94EA1FA6F5EF2943FB22F62B2B905" lastPageNumber="63" pageId="0" pageNumber="63">
<subSubSection pageId="0" pageNumber="63" type="nomenclature">
<paragraph pageId="0" pageNumber="63">
<taxonomicName LSID="EFC94EA1-FA6F-5EF2-943F-B22F62B2B905" authority="Y. Lin &amp; S. Li" authorityName="Y. Lin &amp; S. Li" authorityYear="2020" class="Arachnida" family="Symphytognathidae" genus="Crassignatha" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Crassignatha rostriformis" order="Araneae" pageId="0" pageNumber="63" phylum="Arthropoda" rank="species" species="rostriformis" status="sp. nov.">Crassignatha rostriformis Y. Lin &amp; S. Li</taxonomicName>
<taxonomicNameLabel pageId="0" pageNumber="63">sp. nov.</taxonomicNameLabel>
<figureCitation captionStart="Figure 24" captionStartId="F24" captionText="Figure 24. Crassignatha rostriformis sp. nov. A male habitus, dorsal B male habitus, ventral C male habitus, lateral D female habitus, dorsal E female habitus, ventral F female habitus, lateral. Scale bars: 0.50 mm (A-F)." figureDoi="10.3897/zookeys.988.56188.figure24" httpUri="https://binary.pensoft.net/fig/472609" pageId="0" pageNumber="63">Figs 24</figureCitation>
<figureCitation captionStart="Figure 25" captionStartId="F25" captionText="Figure 25. Crassignatha rostriformis sp. nov. A male palp, prolateral B male palp, ventral C male palp, retrolateral D epigyne, ventral E vulva, ventral F vulva, dorsal. Scale bars: 0.10 mm (A-F)." figureDoi="10.3897/zookeys.988.56188.figure25" httpUri="https://binary.pensoft.net/fig/472610" pageId="0" pageNumber="63">, 25</figureCitation>
<figureCitation captionStart="Figure 38" captionStartId="F38" captionText="Figure 38. Distribution records of Crassignatha spp. in Asia. 1 C. baihua sp. nov. 2 C. bangbie sp. nov. 3 C. bicorniventris 4 C. changyan sp. nov. 5 C. danaugirangensis 6 C. dongnai sp. nov. 7 C. ertou 8 C. gucheng sp. nov. 9 C. gudu 10 C. haeneli 11 C. mengla sp. nov. 12 C. nantou sp. nov. 13 C. nasalis sp. nov. 14 C. pianma 15 C. quadriventris 16 C. quanqu 17 C. rostriformis sp. nov. 18 C. shiluensis 19 C. shunani sp. nov. 20 C. si sp. nov. 21 C. thamphra sp. nov. 22 C. xichou sp. nov. 23 C. yamu 24 C. yinzhi." figureDoi="10.3897/zookeys.988.56188.figure38" httpUri="https://binary.pensoft.net/fig/472623" pageId="0" pageNumber="63">, 38</figureCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="63" type="type material">
<paragraph pageId="0" pageNumber="63">Type material.</paragraph>
<paragraph pageId="0" pageNumber="63">
<emphasis bold="true" italics="true" pageId="0" pageNumber="63">Holotype</emphasis>
♂ (NHMSU Ar 036) and
<emphasis bold="true" italics="true" pageId="0" pageNumber="63">paratypes</emphasis>
2♂ 34♀ (NHMSU Ar 037-072),
<emphasis bold="true" pageId="0" pageNumber="63">China</emphasis>
: Yunnan Province, Wenshan Prefecture, Xichou County, Dongma Township, Xianrendong Village, Xianren Cave (
<geoCoordinate degrees="23.50193" direction="north" orientation="latitude" precision="1" value="23.50193">23.50193°N</geoCoordinate>
,
<geoCoordinate degrees="104.86810" direction="east" orientation="longitude" precision="1" value="104.8681">104.86810°E</geoCoordinate>
; 1326 m), 6.VIII.2010, Z. Yao, X. Wang and C. Wu leg.; 2♂ 16♀ (NHMSU-HA078), 3♂ 2♀ (NHMSU-HA103), same data as holotype; 1♂ (NHMSU-HA079) and 1♀ (NHMSU-HA079) used for sequencing, GenBank: MT991998 and MT991997, same data as for preceding.
</paragraph>
<caption doi="10.3897/zookeys.988.56188.figure24" httpUri="https://binary.pensoft.net/fig/472609" pageId="0" pageNumber="63" start="Figure 24" startId="F24">
<paragraph pageId="0" pageNumber="63">
<emphasis bold="true" pageId="0" pageNumber="63">Figure 24.</emphasis>
<taxonomicName authorityName="Y. Lin &amp; S. Li" authorityYear="2020" class="Arachnida" family="Symphytognathidae" genus="Crassignatha" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Crassignatha rostriformis" order="Araneae" pageId="0" pageNumber="63" phylum="Arthropoda" rank="species" species="rostriformis">
<emphasis italics="true" pageId="0" pageNumber="63">Crassignatha rostriformis</emphasis>
</taxonomicName>
sp. nov.
<emphasis bold="true" pageId="0" pageNumber="63">A</emphasis>
male habitus, dorsal
<emphasis bold="true" pageId="0" pageNumber="63">B</emphasis>
male habitus, ventral
<emphasis bold="true" pageId="0" pageNumber="63">C</emphasis>
male habitus, lateral
<emphasis bold="true" pageId="0" pageNumber="63">D</emphasis>
female habitus, dorsal
<emphasis bold="true" pageId="0" pageNumber="63">E</emphasis>
female habitus, ventral
<emphasis bold="true" pageId="0" pageNumber="63">F</emphasis>
female habitus, lateral. Scale bars: 0.50 mm (
<emphasis bold="true" pageId="0" pageNumber="63">A-F</emphasis>
).
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="0" pageNumber="63" type="diagnosis">
<paragraph pageId="0" pageNumber="63">Diagnosis.</paragraph>
<paragraph pageId="0" pageNumber="63">
The male of
<taxonomicName lsidName="C. rostriformis" pageId="0" pageNumber="63" rank="species" species="rostriformis">
<emphasis italics="true" pageId="0" pageNumber="63">C. rostriformis</emphasis>
</taxonomicName>
sp. nov. is similar to
<taxonomicName lsidName="C. nasalis" pageId="0" pageNumber="63" rank="species" species="nasalis">
<emphasis italics="true" pageId="0" pageNumber="63">C. nasalis</emphasis>
</taxonomicName>
sp. nov. in the form of the palp but differs from the latter by the large, hooked cymbial tooth and the wider embolic base (Fig.
<figureCitation captionStart="Figure 25" captionStartId="F25" captionText="Figure 25. Crassignatha rostriformis sp. nov. A male palp, prolateral B male palp, ventral C male palp, retrolateral D epigyne, ventral E vulva, ventral F vulva, dorsal. Scale bars: 0.10 mm (A-F)." figureDoi="10.3897/zookeys.988.56188.figure25" httpUri="https://binary.pensoft.net/fig/472610" pageId="0" pageNumber="63">25B</figureCitation>
vs. Fig.
<figureCitation captionStart="Figure 17" captionStartId="F17" captionText="Figure 17. Crassignatha nasalis sp. nov. A male palp, prolateral B male palp, ventral C male palp, retrolateral D epigyne, ventral E vulva, ventral F vulva, dorsal. Scale bars: 0.10 mm (A-F)." figureDoi="10.3897/zookeys.988.56188.figure17" httpUri="https://binary.pensoft.net/fig/472602" pageId="0" pageNumber="63">17A, B</figureCitation>
). The female is most similar to that of
<taxonomicName lsidName="C. mengla" pageId="0" pageNumber="63" rank="species" species="mengla">
<emphasis italics="true" pageId="0" pageNumber="63">C. mengla</emphasis>
</taxonomicName>
sp. nov. in the vulva configuration but can be easily distinguished by spermathecae separated by less than their diameter, and the low second turn of the copulatory duct, rather than wide intervals of spermathecae and the high second turn of the copulatory duct (Fig.
<figureCitation captionStart="Figure 25" captionStartId="F25" captionText="Figure 25. Crassignatha rostriformis sp. nov. A male palp, prolateral B male palp, ventral C male palp, retrolateral D epigyne, ventral E vulva, ventral F vulva, dorsal. Scale bars: 0.10 mm (A-F)." figureDoi="10.3897/zookeys.988.56188.figure25" httpUri="https://binary.pensoft.net/fig/472610" pageId="0" pageNumber="63">25D-F</figureCitation>
vs. Fig.
<figureCitation captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. Crassignatha mengla sp. nov. A male palp, prolateral B male palp, ventral C male palp, retrolateral D epigyne, ventral E epigyne, lateral F vulva, ventral G vulva, dorsal. Scale bars: 0.10 mm (A-G)." figureDoi="10.3897/zookeys.988.56188.figure13" httpUri="https://binary.pensoft.net/fig/472598" pageId="0" pageNumber="63">13F, G</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="63" type="description">
<paragraph pageId="0" pageNumber="63">Description.</paragraph>
<paragraph pageId="0" pageNumber="63">
<emphasis bold="true" pageId="0" pageNumber="63">Male</emphasis>
(holotype). Total length 0.64. Carapace 0.28 long, 0.28 wide, 0.32 high. Clypeus 0.10 high. Sternum 0.20 long, 0.20 wide. Abdomen 0.40 long, 0.36 wide, 0.48 high. Length of legs: I 1.04 (0.32, 0.12, 0.24, 0.16, 0.20); II 0.84 (0.22, 0.12, 0.20, 0.12, 0.18); III 0.66 (0.20, 0.10, 0.12, 0.10, 0.14); IV 0.80 (0.26, 0.10, 0.16, 0.12, 0.16).
</paragraph>
<paragraph pageId="0" pageNumber="63">
<emphasis bold="true" pageId="0" pageNumber="63">Somatic characters</emphasis>
(Fig.
<figureCitation captionStart="Figure 24" captionStartId="F24" captionText="Figure 24. Crassignatha rostriformis sp. nov. A male habitus, dorsal B male habitus, ventral C male habitus, lateral D female habitus, dorsal E female habitus, ventral F female habitus, lateral. Scale bars: 0.50 mm (A-F)." figureDoi="10.3897/zookeys.988.56188.figure24" httpUri="https://binary.pensoft.net/fig/472609" pageId="0" pageNumber="63">24A-C</figureCitation>
).
<emphasis bold="true" italics="true" pageId="0" pageNumber="63">Coloration</emphasis>
: prosoma dark brown, ventrally darker than dorsally. Legs brown, with black pigmentation. Abdomen dark, laterally and ventrally darker than dorsally, with light brown speckles.
<emphasis bold="true" italics="true" pageId="0" pageNumber="63">Prosoma</emphasis>
: carapace sub-rounded, surface sculptured. Cephalic area elevated. Clypeus concave. ALE slightly protruded. PER recurved. Mouthparts distinctly sclerotized. Labium nearly semilunar. Sternum scutiform, surface subtly textured, slightly plump, truncated posteriorly.
<emphasis bold="true" italics="true" pageId="0" pageNumber="63">Legs</emphasis>
: tibia II with two clasping spurs.
<emphasis bold="true" italics="true" pageId="0" pageNumber="63">Abdomen</emphasis>
: rounded dorsally, abdominal lateral scutum weakly sclerotized, circular plate absent. Spinnerets tiny.
</paragraph>
<paragraph pageId="0" pageNumber="63">
<emphasis bold="true" italics="true" pageId="0" pageNumber="63">Palp</emphasis>
(Fig.
<figureCitation captionStart="Figure 25" captionStartId="F25" captionText="Figure 25. Crassignatha rostriformis sp. nov. A male palp, prolateral B male palp, ventral C male palp, retrolateral D epigyne, ventral E vulva, ventral F vulva, dorsal. Scale bars: 0.10 mm (A-F)." figureDoi="10.3897/zookeys.988.56188.figure25" httpUri="https://binary.pensoft.net/fig/472610" pageId="0" pageNumber="63">25A-C</figureCitation>
): tibia as long as patella. Cymbium wider than femur, bears some distal setae, with a dorsal hooked tooth near distal margin. Tegulum plump and globular. Disciform median apophysis with an odontoid prolateral process. Embolic membrane arises from behind median apophysis. Embolus short, rigid, basally wide, mesally and distally narrow.
</paragraph>
<paragraph pageId="0" pageNumber="63">
<emphasis bold="true" pageId="0" pageNumber="63">Female</emphasis>
(one of paratypes). Total length 0.92. Carapace 0.40 long, 0.36 wide, 0.36 high. Clypeus 0.12 high. Sternum 0.24 long, 0.24 wide. Abdomen 0.60 long, 0.72 wide, 0.68 high. Length of legs: I 1.36 (0.46, 0.12, 0.32, 0.22, 0.24); II 1.12 (0.38, 0.14, 0.26, 0.16, 0.18); III 0.82 (0.22, 0.12, 0.14, 0.16, 0.18); IV 1.02 (0.30, 0.12, 0.24, 0.16, 0.20).
</paragraph>
<paragraph pageId="0" pageNumber="63">
<emphasis bold="true" pageId="0" pageNumber="63">Somatic characters</emphasis>
(Fig.
<figureCitation captionStart="Figure 24" captionStartId="F24" captionText="Figure 24. Crassignatha rostriformis sp. nov. A male habitus, dorsal B male habitus, ventral C male habitus, lateral D female habitus, dorsal E female habitus, ventral F female habitus, lateral. Scale bars: 0.50 mm (A-F)." figureDoi="10.3897/zookeys.988.56188.figure24" httpUri="https://binary.pensoft.net/fig/472609" pageId="0" pageNumber="63">24D-F</figureCitation>
).
<emphasis bold="true" italics="true" pageId="0" pageNumber="63">Coloration</emphasis>
: prosoma as in male. Abdomen darker than in male.
<emphasis bold="true" italics="true" pageId="0" pageNumber="63">Prosoma</emphasis>
: carapace nearly pear shaped, weakly granular. Cephalic area lower than in male. PER slightly recurved. Mouthparts and sternum as in male.
<emphasis bold="true" italics="true" pageId="0" pageNumber="63">Abdomen</emphasis>
: nearly globose, dorsally speckled. Spinnerets weakly sclerotized.
</paragraph>
<paragraph pageId="0" pageNumber="63">
<emphasis bold="true" italics="true" pageId="0" pageNumber="63">Epigyne</emphasis>
(Fig.
<figureCitation captionStart="Figure 25" captionStartId="F25" captionText="Figure 25. Crassignatha rostriformis sp. nov. A male palp, prolateral B male palp, ventral C male palp, retrolateral D epigyne, ventral E vulva, ventral F vulva, dorsal. Scale bars: 0.10 mm (A-F)." figureDoi="10.3897/zookeys.988.56188.figure25" httpUri="https://binary.pensoft.net/fig/472610" pageId="0" pageNumber="63">25D-F</figureCitation>
): slightly sclerotized, with a few setae at lateral margins. Scape short, slightly protruded. Copulatory openings large, flat, beak shaped, located at the terminus of scape. Internal structures faintly visible via translucent tegument. Spermathecae globose, separated by ~0.8
<normalizedToken originalValue="×">x</normalizedToken>
their diameter. Fertilization ducts starting at inside posterior margin of spermathecae and bending below the venter of spermathecae. Copulatory ducts relatively long, connected to lower dorsal surface of spermathecae, bypassing around spermathecae, forming three bends, fusing before copulatory openings.
</paragraph>
<caption doi="10.3897/zookeys.988.56188.figure25" httpUri="https://binary.pensoft.net/fig/472610" pageId="0" pageNumber="63" start="Figure 25" startId="F25">
<paragraph pageId="0" pageNumber="63">
<emphasis bold="true" pageId="0" pageNumber="63">Figure 25.</emphasis>
<taxonomicName authorityName="Y. Lin &amp; S. Li" authorityYear="2020" class="Arachnida" family="Symphytognathidae" genus="Crassignatha" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Crassignatha rostriformis" order="Araneae" pageId="0" pageNumber="63" phylum="Arthropoda" rank="species" species="rostriformis">
<emphasis italics="true" pageId="0" pageNumber="63">Crassignatha rostriformis</emphasis>
</taxonomicName>
sp. nov.
<emphasis bold="true" pageId="0" pageNumber="63">A</emphasis>
male palp, prolateral
<emphasis bold="true" pageId="0" pageNumber="63">B</emphasis>
male palp, ventral
<emphasis bold="true" pageId="0" pageNumber="63">C</emphasis>
male palp, retrolateral
<emphasis bold="true" pageId="0" pageNumber="63">D</emphasis>
epigyne, ventral
<emphasis bold="true" pageId="0" pageNumber="63">E</emphasis>
vulva, ventral
<emphasis bold="true" pageId="0" pageNumber="63">F</emphasis>
vulva, dorsal. Scale bars: 0.10 mm (
<emphasis bold="true" pageId="0" pageNumber="63">A-F</emphasis>
).
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="0" pageNumber="63" type="etymology">
<paragraph pageId="0" pageNumber="63">Etymology.</paragraph>
<paragraph pageId="0" pageNumber="63">
The specific epithet is derived from the Latin adjective
<taxonomicName authorityName="Y. Lin &amp; S. Li" authorityYear="2020" class="Arachnida" family="Symphytognathidae" genus="Crassignatha" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="rostriformis" order="Araneae" pageId="0" pageNumber="63" phylum="Arthropoda" rank="species" species="rostriformis">
<emphasis italics="true" pageId="0" pageNumber="63">rostriformis</emphasis>
</taxonomicName>
(rostriform), in reference to the shape of the copulatory openings.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="63" type="distribution">
<paragraph pageId="0" pageNumber="63">Distribution.</paragraph>
<paragraph pageId="0" pageNumber="63">
China (Yunnan) (Fig.
<figureCitation captionStart="Figure 38" captionStartId="F38" captionText="Figure 38. Distribution records of Crassignatha spp. in Asia. 1 C. baihua sp. nov. 2 C. bangbie sp. nov. 3 C. bicorniventris 4 C. changyan sp. nov. 5 C. danaugirangensis 6 C. dongnai sp. nov. 7 C. ertou 8 C. gucheng sp. nov. 9 C. gudu 10 C. haeneli 11 C. mengla sp. nov. 12 C. nantou sp. nov. 13 C. nasalis sp. nov. 14 C. pianma 15 C. quadriventris 16 C. quanqu 17 C. rostriformis sp. nov. 18 C. shiluensis 19 C. shunani sp. nov. 20 C. si sp. nov. 21 C. thamphra sp. nov. 22 C. xichou sp. nov. 23 C. yamu 24 C. yinzhi." figureDoi="10.3897/zookeys.988.56188.figure38" httpUri="https://binary.pensoft.net/fig/472623" pageId="0" pageNumber="63">38</figureCitation>
).
</paragraph>
</subSubSection>
</treatment>
</document>