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<document ID-DOI="http://dx.doi.org/10.3897/zookeys.941.50465" ID-GBIF-Dataset="2e4057ca-cbc5-4758-a659-86460103f7c8" ID-PMC="PMC7311513" ID-Pensoft-Pub="1313-2970-941-1" ID-Pensoft-UUID="71BE1E5C7ED75F89B006197EF290C734" ID-PubMed="32595405" ID-ZooBank="FDDD1E5433F94C3B8CD39467D7E2CB79" ModsDocID="1313-2970-941-1" checkinTime="1592452089122" checkinUser="pensoft" docAuthor="Zeng, Yue, Wei, Nan, Wang, Qing, Iakovenko, Nataliia S., Li, Ying &amp; Yang, Yufeng" docDate="2020" docId="BBD9A6D0B51A56BD9CCF4D393202A1C0" docLanguage="en" docName="ZooKeys 941: 1-23" docOrigin="ZooKeys 941" docSource="http://dx.doi.org/10.3897/zookeys.941.50465" docTitle="Adineta acuticornis Haigh 1967" docType="treatment" docVersion="5" id="71BE1E5C7ED75F89B006197EF290C734" lastPageNumber="1" masterDocId="71BE1E5C7ED75F89B006197EF290C734" masterDocTitle="Bdelloid rotifers (Rotifera, Bdelloidea) of China: diversity and new records" masterLastPageNumber="23" masterPageNumber="1" pageNumber="1" updateTime="1668168960248" updateUser="ExternalLinkService">
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<mods:title>Bdelloid rotifers (Rotifera, Bdelloidea) of China: diversity and new records</mods:title>
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<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Zeng, Yue</mods:namePart>
<mods:affiliation>Institute of Hydrobiology, College of Life Science and Technology, Jinan University, Guangzhou 510632, China &amp; Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai, 519000, China</mods:affiliation>
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<mods:namePart>Wei, Nan</mods:namePart>
<mods:affiliation>South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou 510530, China</mods:affiliation>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Wang, Qing</mods:namePart>
<mods:affiliation>Institute of Hydrobiology, College of Life Science and Technology, Jinan University, Guangzhou 510632, China</mods:affiliation>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Iakovenko, Nataliia S.</mods:namePart>
<mods:affiliation>Czech University of Life Sciences Prague, Faculty of Forestry and Wood Sciences, Kamycka 129, CZ- 16521 Praha 6 - Suchdol, Czech Republic &amp; Schmalhausen Institute of Zoology NAS of Ukraine, Department of Fauna and Systematics, Bogdana Khmelnyts'kogo 15, 01601 Kyiv, Ukraine</mods:affiliation>
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<mods:namePart>Li, Ying</mods:namePart>
<mods:affiliation>Institute of Hydrobiology, College of Life Science and Technology, Jinan University, Guangzhou 510632, China</mods:affiliation>
</mods:name>
<mods:name type="personal">
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Yang, Yufeng</mods:namePart>
<mods:affiliation>Institute of Hydrobiology, College of Life Science and Technology, Jinan University, Guangzhou 510632, China &amp; Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai, 519000, China</mods:affiliation>
<mods:nameIdentifier type="email">tyyf@jnu.edu.cn</mods:nameIdentifier>
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<mods:title>ZooKeys</mods:title>
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<mods:date>2020</mods:date>
<mods:detail type="volume">
<mods:number>941</mods:number>
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<mods:start>1</mods:start>
<mods:end>23</mods:end>
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<mods:url>http://dx.doi.org/10.3897/zookeys.941.50465</mods:url>
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<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.941.50465</mods:identifier>
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<treatment ID-GBIF-Taxon="164613275" LSID="urn:lsid:plazi:treatment:BBD9A6D0B51A56BD9CCF4D393202A1C0" httpUri="http://treatment.plazi.org/id/BBD9A6D0B51A56BD9CCF4D393202A1C0" lastPageNumber="1" pageId="0" pageNumber="1">
<subSubSection pageId="0" pageNumber="1" type="nomenclature">
<paragraph pageId="0" pageNumber="1">
<taxonomicName LSID="BBD9A6D0-B51A-56BD-9CCF-4D393202A1C0" authority="Haigh, 1967" authorityName="Haigh" authorityYear="1967" class="Eurotatoria" family="Adinetidae" genus="Adineta" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Adineta acuticornis" order="Bdelloidea" pageId="0" pageNumber="1" phylum="Rotifera" rank="species" species="acuticornis">Adineta cf. acuticornis Haigh, 1967</taxonomicName>
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Adineta cf. acuticornis Haigh, 1967 A, B habitus, ventral view C egg D stomach lumen E spur. Scale bars: 50 μm (A-D); 10 μm (E)." figureDoi="10.3897/zookeys.941.50465.figure2" httpUri="https://binary.pensoft.net/fig/421136" pageId="0" pageNumber="1">Figure 2</figureCitation>
;
<figureCitation captionStart="Table 3" captionStartId="T3" captionText="Table 3. Bdelloid rotifers found in this study with their updated biogeographic distribution after Segers (2007)." pageId="0" pageNumber="1">Table 3</figureCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="materials_examined">
<paragraph pageId="0" pageNumber="1">Material.</paragraph>
<paragraph pageId="0" pageNumber="1">
Eight specimens found in mosses and two specimens found in lichens, from tropical (GD 6) and subtropical (YN 5-6, SC 2) zones (Table
<tableCitation captionStart="Table 2" captionStartId="T2" captionText="Table 2. Sampling locality information of this survey." httpUri="http://table.plazi.org/id/14C6D5980EAD552759DE04418B45F3F2" pageId="0" pageNumber="1" tableUuid="14C6D5980EAD552759DE04418B45F3F2">2</tableCitation>
).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="description">
<paragraph pageId="0" pageNumber="1">Description.</paragraph>
<paragraph pageId="0" pageNumber="1">Body transparent and colorless, with smooth skin. No eyespots. Rostrum rather long when animal creeps and stretches out, distal rostral pseudosegment semi-circular and flattened. Rostral lamella divided into two broad sickles-like lobes, immobile, laterally elongated, no trace of cilia under the present microscope image. Small oval head, HW 63-90% of HL and 11-16% of TL, HL 15-18% of TL. Five rectangular denticles in each rake.</paragraph>
<paragraph pageId="0" pageNumber="1">
Neck width not distinct from head and trunk. The width of the first two pseudosegments of neck approximately equal to HW, the second neck pseudosegment much wider and swollen than the first one. Antenna of two pseudosegments, with length 56-64% of the bearing pseudosegment width. Trunk oval, BW 15-22% of TL. Rump conical, TrL 54-67% of TL. The stomach lumen very narrow and Z-shaped (Fig.
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Adineta cf. acuticornis Haigh, 1967 A, B habitus, ventral view C egg D stomach lumen E spur. Scale bars: 50 μm (A-D); 10 μm (E)." figureDoi="10.3897/zookeys.941.50465.figure2" httpUri="https://binary.pensoft.net/fig/421136" pageId="0" pageNumber="1">2D</figureCitation>
). Oviparous; egg oval and smooth, one knob at each pole (Fig.
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Adineta cf. acuticornis Haigh, 1967 A, B habitus, ventral view C egg D stomach lumen E spur. Scale bars: 50 μm (A-D); 10 μm (E)." figureDoi="10.3897/zookeys.941.50465.figure2" httpUri="https://binary.pensoft.net/fig/421136" pageId="0" pageNumber="1">2C</figureCitation>
); Vitellarium large with eight nuclei.
</paragraph>
<caption doi="10.3897/zookeys.941.50465.figure2" httpUri="https://binary.pensoft.net/fig/421136" 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="Haigh" authorityYear="1967" class="Eurotatoria" family="Adinetidae" genus="Adineta" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Adineta acuticornis" order="Bdelloidea" pageId="0" pageNumber="1" phylum="Rotifera" rank="species" species="acuticornis">Adineta cf. acuticornis</taxonomicName>
Haigh, 1967
<emphasis bold="true" pageId="0" pageNumber="1">A, B</emphasis>
habitus, ventral view
<emphasis bold="true" pageId="0" pageNumber="1">C</emphasis>
egg
<emphasis bold="true" pageId="0" pageNumber="1">D</emphasis>
stomach lumen
<emphasis bold="true" pageId="0" pageNumber="1">E</emphasis>
spur. Scale bars: 50
<normalizedToken originalValue="μm">μm</normalizedToken>
(
<emphasis bold="true" pageId="0" pageNumber="1">A-D</emphasis>
); 10
<normalizedToken originalValue="μm">μm</normalizedToken>
(
<emphasis bold="true" pageId="0" pageNumber="1">E</emphasis>
).
</paragraph>
</caption>
<paragraph pageId="0" pageNumber="1">
Foot slim and short, of four pseudosegments. Spurs long, the inner edge of the spurs almost parallel to the straight outer edge for two-thirds of its length, then a small bulge followed by a contraction and tapers to a sharp point (Fig.
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Adineta cf. acuticornis Haigh, 1967 A, B habitus, ventral view C egg D stomach lumen E spur. Scale bars: 50 μm (A-D); 10 μm (E)." figureDoi="10.3897/zookeys.941.50465.figure2" httpUri="https://binary.pensoft.net/fig/421136" pageId="0" pageNumber="1">2E</figureCitation>
). SL 4-8% of TL, and 143-193% of SSW. Three long and unsegmented toes. Dorsal toe longer than two ventral toes. Trophi small, round. Dental formula 2/2.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="description">
<paragraph pageId="0" pageNumber="1">Measurements.</paragraph>
<paragraph pageId="0" pageNumber="1">
The detailed measurements are summarized in Table
<tableCitation captionStart="Table 4" captionStartId="T4" captionText="Table 4. Comparison the body dimensions of Adineta acuticornis between Chinese specimens and the original description." httpUri="http://table.plazi.org/id/77B0D557F087BFC90E3C75B85BDFE423" pageId="0" pageNumber="1" tableUuid="77B0D557F087BFC90E3C75B85BDFE423">4</tableCitation>
with a comparison of the original data from
<bibRefCitation author="Haigh, SB" journalOrPublisher="Journal of the Quekett Microscopical Club" pageId="0" pageNumber="1" pagination="193 - 201" refId="B23" refString="Haigh, SB, 1967. The bdelloid rotifers of New Zealand, Part III. Journal of the Quekett Microscopical Club 30: 193 - 201" title="The bdelloid rotifers of New Zealand, Part III." volume="30" year="1967">Haigh (1967)</bibRefCitation>
.
</paragraph>
<caption ID-Table-UUID="77B0D557F087BFC90E3C75B85BDFE423" httpUri="http://table.plazi.org/id/77B0D557F087BFC90E3C75B85BDFE423" pageId="0" pageNumber="1" start="Table 4" startId="T4">
<paragraph pageId="0" pageNumber="1">
<emphasis bold="true" pageId="0" pageNumber="1">Table 4.</emphasis>
Comparison the body dimensions of
<taxonomicName authorityName="Haigh" authorityYear="1967" class="Eurotatoria" family="Adinetidae" genus="Adineta" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Adineta acuticornis" order="Bdelloidea" pageId="0" pageNumber="1" phylum="Rotifera" rank="species" species="acuticornis">Adineta acuticornis</taxonomicName>
between Chinese specimens and the original description.
</paragraph>
</caption>
<paragraph pageId="0" pageNumber="1">
<table pageId="0" pageNumber="1">
<tr pageId="0" pageNumber="1">
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">
<emphasis bold="true" pageId="0" pageNumber="1">Measurements</emphasis>
</td>
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">
<emphasis bold="true" pageId="0" pageNumber="1">Chinese specimens</emphasis>
</td>
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">
<emphasis bold="true" pageId="0" pageNumber="1">Original description</emphasis>
</td>
</tr>
<tr pageId="0" pageNumber="1">
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">TL</td>
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">
166-266 (227
<normalizedToken originalValue="±">+/-</normalizedToken>
33)
</td>
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">210</td>
</tr>
<tr pageId="0" pageNumber="1">
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">BW</td>
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">
30-61 (44
<normalizedToken originalValue="±">+/-</normalizedToken>
10)
</td>
<td colspan="1" isEmpty="true" pageId="0" pageNumber="1" rowspan="1">-</td>
</tr>
<tr pageId="0" pageNumber="1">
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">HL</td>
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">
30-45 (40
<normalizedToken originalValue="±">+/-</normalizedToken>
5)
</td>
<td colspan="1" isEmpty="true" pageId="0" pageNumber="1" rowspan="1">-</td>
</tr>
<tr pageId="0" pageNumber="1">
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">HW</td>
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">
25-37 (30
<normalizedToken originalValue="±">+/-</normalizedToken>
4)
</td>
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">30</td>
</tr>
<tr pageId="0" pageNumber="1">
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">NL</td>
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">
15-34 (25
<normalizedToken originalValue="±">+/-</normalizedToken>
6)
</td>
<td colspan="1" isEmpty="true" pageId="0" pageNumber="1" rowspan="1">-</td>
</tr>
<tr pageId="0" pageNumber="1">
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">MinNW</td>
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">
16-31 (25
<normalizedToken originalValue="±">+/-</normalizedToken>
4)
</td>
<td colspan="1" isEmpty="true" pageId="0" pageNumber="1" rowspan="1">-</td>
</tr>
<tr pageId="0" pageNumber="1">
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">MxNW</td>
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">
22-42 (31
<normalizedToken originalValue="±">+/-</normalizedToken>
6)
</td>
<td colspan="1" isEmpty="true" pageId="0" pageNumber="1" rowspan="1">-</td>
</tr>
<tr pageId="0" pageNumber="1">
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">RL</td>
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">
20-44 (30
<normalizedToken originalValue="±">+/-</normalizedToken>
9)
</td>
<td colspan="1" isEmpty="true" pageId="0" pageNumber="1" rowspan="1">-</td>
</tr>
<tr pageId="0" pageNumber="1">
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">RW</td>
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">
22-38 (25
<normalizedToken originalValue="±">+/-</normalizedToken>
7)
</td>
<td colspan="1" isEmpty="true" pageId="0" pageNumber="1" rowspan="1">-</td>
</tr>
<tr pageId="0" pageNumber="1">
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">FL</td>
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">
21-32 (28
<normalizedToken originalValue="±">+/-</normalizedToken>
4)
</td>
<td colspan="1" isEmpty="true" pageId="0" pageNumber="1" rowspan="1">-</td>
</tr>
<tr pageId="0" pageNumber="1">
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">FW</td>
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">
11-16 (13
<normalizedToken originalValue="±">+/-</normalizedToken>
2)
</td>
<td colspan="1" isEmpty="true" pageId="0" pageNumber="1" rowspan="1">-</td>
</tr>
<tr pageId="0" pageNumber="1">
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">SL</td>
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">
11-13 (12
<normalizedToken originalValue="±">+/-</normalizedToken>
1)
</td>
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">12</td>
</tr>
<tr pageId="0" pageNumber="1">
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">SSW</td>
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">
6-8 (7
<normalizedToken originalValue="±">+/-</normalizedToken>
1)
</td>
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">9</td>
</tr>
<tr pageId="0" pageNumber="1">
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">RaL</td>
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">
9-12 (10
<normalizedToken originalValue="±">+/-</normalizedToken>
1)
</td>
<td colspan="1" isEmpty="true" pageId="0" pageNumber="1" rowspan="1">-</td>
</tr>
<tr pageId="0" pageNumber="1">
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">TrW</td>
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">
5-6 (5
<normalizedToken originalValue="±">+/-</normalizedToken>
1)
</td>
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">7.5</td>
</tr>
<tr pageId="0" pageNumber="1">
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">Rake</td>
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">5-5</td>
<td colspan="1" isEmpty="true" pageId="0" pageNumber="1" rowspan="1">-</td>
</tr>
<tr pageId="0" pageNumber="1">
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">TL/SL</td>
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">
14.4-21.6 (18.3
<normalizedToken originalValue="±">+/-</normalizedToken>
3.4)
</td>
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">17.5</td>
</tr>
<tr pageId="0" pageNumber="1">
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">TL/HW</td>
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">
6.6-8.6 (7.5
<normalizedToken originalValue="±">+/-</normalizedToken>
0.8)
</td>
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">7</td>
</tr>
<tr pageId="0" pageNumber="1">
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">Rostral lamella</td>
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">immobile</td>
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">immobile</td>
</tr>
<tr pageId="0" pageNumber="1">
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">Antenna</td>
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">1/2 MNW</td>
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">half neck width</td>
</tr>
<tr pageId="0" pageNumber="1">
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">Foot segments</td>
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">4</td>
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">4</td>
</tr>
<tr pageId="0" pageNumber="1">
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">Stomach lumen</td>
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">one loop</td>
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">two loops</td>
</tr>
<tr pageId="0" pageNumber="1">
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">Habitats</td>
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">lichen and moss</td>
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">damp moss on soil</td>
</tr>
</table>
</paragraph>
<paragraph pageId="0" pageNumber="1">
<tableNote pageId="0" pageNumber="1">
BW: body width; FL: foot length; FW: foot width; HL: head length; HW: head width; MinNW: minimal neck width; MxNW: maximal neck width; NL: neck length; RaL: ramus length; RL: rump length; RW: rump width; SL: spur length; SSW: spur pseudosegment width; TL: total length; TrW: trophi width. Measurements are given in
<normalizedToken originalValue="μm">μm</normalizedToken>
.
</tableNote>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="remarks">
<paragraph pageId="0" pageNumber="1">Remarks.</paragraph>
<paragraph pageId="0" pageNumber="1">
<taxonomicName authorityName="Haigh" authorityYear="1967" class="Eurotatoria" family="Adinetidae" genus="Adineta" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Adineta acuticornis" order="Bdelloidea" pageId="0" pageNumber="1" phylum="Rotifera" rank="species" species="acuticornis">
<emphasis italics="true" pageId="0" pageNumber="1">Adineta acuticornis</emphasis>
</taxonomicName>
has not been found since its original description by
<bibRefCitation author="Haigh, SB" journalOrPublisher="Journal of the Quekett Microscopical Club" pageId="0" pageNumber="1" pagination="193 - 201" refId="B23" refString="Haigh, SB, 1967. The bdelloid rotifers of New Zealand, Part III. Journal of the Quekett Microscopical Club 30: 193 - 201" title="The bdelloid rotifers of New Zealand, Part III." volume="30" year="1967">Haigh (1967)</bibRefCitation>
and was considered as an endemic morphospecies of New Zealand (
<bibRefCitation DOI="https://doi.org/10.1080/03014223.1996.9518078" author="Shiel, R" journalOrPublisher="New Zealand Journal of Zoology" pageId="0" pageNumber="1" pagination="191 - 207" refId="B40" refString="Shiel, R, Green, J, 1996. Rotifera recorded from New Zealand, 1859-1995, with comments on zoogeography. New Zealand Journal of Zoology 23 (2): 191 - 207, DOI: https://doi.org/10.1080/03014223.1996.9518078" title="Rotifera recorded from New Zealand, 1859 - 1995, with comments on zoogeography." url="https://doi.org/10.1080/03014223.1996.9518078" volume="23" year="1996">Shiel and Green 1996</bibRefCitation>
). It was found in China for the firstly time also in the Oriental biogeographic region recorded in two provinces of China in 2017 or 2018. It was recorded in damp mosses on soil face in the type locality, whereas in this study, numerous specimens were recorded in both dry and damp mosses, and two specimens in lichens on soil surface.
</paragraph>
<paragraph pageId="0" pageNumber="1">
A distinct characteristic differentiating this morphospecies from
<taxonomicName baseAuthorityName="Davis" baseAuthorityYear="1873" class="Eurotatoria" family="Adinetidae" genus="Adineta" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Adineta vaga" order="Bdelloidea" pageId="0" pageNumber="1" phylum="Rotifera" rank="species" species="vaga">
<emphasis italics="true" pageId="0" pageNumber="1">Adineta vaga</emphasis>
</taxonomicName>
Davis is its wide and rostral lamellae which are slightly wider than the anterior head, while the rostral lamellae of
<taxonomicName lsidName="A. vaga" pageId="0" pageNumber="1" rank="species" species="vaga">
<emphasis italics="true" pageId="0" pageNumber="1">A. vaga</emphasis>
</taxonomicName>
are narrower than the anterior head. It differs from
<taxonomicName authorityName="Wulfert" authorityYear="1942" class="Eurotatoria" family="Adinetidae" genus="Adineta" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Adineta glauca" order="Bdelloidea" pageId="0" pageNumber="1" phylum="Rotifera" rank="species" species="glauca">
<emphasis italics="true" pageId="0" pageNumber="1">Adineta glauca</emphasis>
</taxonomicName>
Wulfert by its spur shape, which is short and has a flat base, while
<taxonomicName lsidName="A. glauca" pageId="0" pageNumber="1" rank="species" species="glauca">
<emphasis italics="true" pageId="0" pageNumber="1">A. glauca</emphasis>
</taxonomicName>
spur with a swollen base. This morphospecies differs from
<taxonomicName authorityName="Murray" authorityYear="1906" class="Eurotatoria" family="Adinetidae" genus="Adineta" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Adineta longicornis" order="Bdelloidea" pageId="0" pageNumber="1" phylum="Rotifera" rank="species" species="longicornis">
<emphasis italics="true" pageId="0" pageNumber="1">Adineta longicornis</emphasis>
</taxonomicName>
Murray by its spur shape which has bulge, while
<taxonomicName lsidName="A. longicornis" pageId="0" pageNumber="1" rank="species" species="longicornis">
<emphasis italics="true" pageId="0" pageNumber="1">A. longicornis</emphasis>
</taxonomicName>
spur is slender and acute (
<bibRefCitation DOI="https://doi.org/10.1111/j.1365-2818.1906.tb00619.x" author="Murray, J" journalOrPublisher="Russian Academy of Sciences, Proceedings of the Zoological Institute, Moscow" pageId="0" pageNumber="1" refId="B31" refString="Murray, J, 1906. Some Rotifera of the Sikkim Himalaya. Journal of the Royal Microscopical Society: 637-644. https://doi.org/10.1111/j.1365-2818.1906.tb00619.x" title="Some Rotifera of the Sikkim Himalaya. Journal of the Royal Microscopical Society: 637 - 644." url="https://doi.org/10.1111/j.1365-2818.1906.tb00619.x" year="1906">Murray 1906</bibRefCitation>
: 5a, 5b).
</paragraph>
<paragraph pageId="0" pageNumber="1">
The general morphology of the Chinese specimen conforms to the description of the New Zealand population, except the position of the spur contraction is closer to the tip (the contraction is in the middle of the spur in
<normalizedToken originalValue="Haighs">Haigh's</normalizedToken>
description) and the stomach lumen do not have distinct two loops as
<normalizedToken originalValue="Haighs">Haigh's</normalizedToken>
description. A comparison with
<bibRefCitation author="Haigh, SB" journalOrPublisher="Journal of the Quekett Microscopical Club" pageId="0" pageNumber="1" pagination="193 - 201" refId="B23" refString="Haigh, SB, 1967. The bdelloid rotifers of New Zealand, Part III. Journal of the Quekett Microscopical Club 30: 193 - 201" title="The bdelloid rotifers of New Zealand, Part III." volume="30" year="1967">
<normalizedToken originalValue="Haighs">Haigh's</normalizedToken>
(1967)
</bibRefCitation>
body dimensions showed a similar body proportion (Table
<tableCitation captionStart="Table 4" captionStartId="T4" captionText="Table 4. Comparison the body dimensions of Adineta acuticornis between Chinese specimens and the original description." httpUri="http://table.plazi.org/id/77B0D557F087BFC90E3C75B85BDFE423" pageId="0" pageNumber="1" tableUuid="77B0D557F087BFC90E3C75B85BDFE423">4</tableCitation>
). Since there was no genetic evidence to prove it actual systematic status, we assigned
<normalizedToken originalValue="cf.">'cf.'</normalizedToken>
(resembling original description) as the status of this find. Besides, we observed three new morphological features missed by
<bibRefCitation author="Haigh, SB" journalOrPublisher="Journal of the Quekett Microscopical Club" pageId="0" pageNumber="1" pagination="193 - 201" refId="B23" refString="Haigh, SB, 1967. The bdelloid rotifers of New Zealand, Part III. Journal of the Quekett Microscopical Club 30: 193 - 201" title="The bdelloid rotifers of New Zealand, Part III." volume="30" year="1967">Haigh (1967)</bibRefCitation>
: each rake with five denticles, a larger vitellarium with eight nuclei and egg with one knob on each pole.
</paragraph>
</subSubSection>
</treatment>
</document>