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<document id="4B3C99FFE8AB755CE8B8D633CCE33313" ID-DOI="10.11646/zootaxa.3691.3.4" ID-GBIF-Dataset="bbe7775a-a8b6-4b7e-a470-e63ea34642a5" ID-ISSN="1175-5326" ID-Zenodo-Dep="217393" ID-ZooBank="855A00F4-2E4B-4D0C-A458-B8111BFB7762" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460651134499" checkinUser="plazi" docAuthor="Bonnet, Nadia Y. K., Rocha, Rosana M. &amp; Carman, Mary R." docDate="2013" docId="9152C60FFF9F667A99808486FB676950" docLanguage="en" docName="zt03691p364.pdf" docOrigin="Zootaxa 3691 (3)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Ascidia gemmata Sluiter 1895" docType="treatment" docVersion="8" lastPageNumber="357" masterDocId="6D6BBE77FF9A667C99178411FF9B6B7D" masterDocTitle="Ascidiidae Herdman, 1882 (Tunicata: Ascidiacea) on the Pacific coast of Panama" masterLastPageNumber="364" masterPageNumber="351" pageNumber="356" updateTime="1698337958006" updateUser="plazi">
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<mods:title id="CB1643DF164FB2DC78C2A18D3A219654">Ascidiidae Herdman, 1882 (Tunicata: Ascidiacea) on the Pacific coast of Panama</mods:title>
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<mods:namePart id="4F5B2E0A3A7C0C650841DD37B32E4CF2">Bonnet, Nadia Y. K.</mods:namePart>
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<mods:namePart id="E10DE7206843ACBC6DE9B4F5C3532AC6">Rocha, Rosana M.</mods:namePart>
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<mods:namePart id="EBC77B94B776541A1426C7B1A97C4FE9">Carman, Mary R.</mods:namePart>
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<mods:date id="B2E874E6CDB0825051637D2E13EE20AB">2013</mods:date>
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<treatment id="9152C60FFF9F667A99808486FB676950" ID-DOI="http://doi.org/10.5281/zenodo.5665666" ID-GBIF-Taxon="119572708" ID-Zenodo-Dep="5665666" LSID="urn:lsid:plazi:treatment:9152C60FFF9F667A99808486FB676950" httpUri="http://treatment.plazi.org/id/9152C60FFF9F667A99808486FB676950" lastPageId="6" lastPageNumber="357" pageId="5" pageNumber="356">
<subSubSection id="51E12492FF9F667999808486FE896BAF" pageId="5" pageNumber="356" type="nomenclature">
<paragraph id="19447719FF9F667999808486FDB56BCC" blockId="5.[151,558,151,210]" box="[151,558,151,177]" pageId="5" pageNumber="356">
<heading id="420CC075FF9F667999808486FDB56BCC" bold="true" box="[151,558,151,177]" fontSize="11" level="1" pageId="5" pageNumber="356" reason="1">
<taxonomicName id="DEFB0C9AFF9F667999808486FDB56BCC" authority="Sluiter, 1895" authorityName="Sluiter" authorityYear="1895" box="[151,558,151,177]" class="Ascidiacea" family="Ascidiidae" genus="Ascidia" kingdom="Animalia" order="Enterogona" pageId="5" pageNumber="356" phylum="Chordata" rank="species" species="gemmata">
<emphasis id="2B8FAB0BFF9F667999808486FDB56BCC" bold="true" box="[151,558,151,177]" pageId="5" pageNumber="356">
<emphasis id="2B8FAB0BFF9F667999808486FF6A6BCC" bold="true" box="[151,241,151,177]" italics="true" pageId="5" pageNumber="356">Ascidia</emphasis>
cf.
<emphasis id="2B8FAB0BFF9F6679980A8486FE106BCC" bold="true" box="[285,395,151,177]" italics="true" pageId="5" pageNumber="356">gemmata</emphasis>
Sluiter, 1895
</emphasis>
</taxonomicName>
</heading>
</paragraph>
<paragraph id="19447719FF9F6679998084ABFE896BAF" blockId="5.[151,558,151,210]" box="[151,274,186,210]" pageId="5" pageNumber="356">
(
<figureCitation id="81C06B9CFF9F6679998884ABFE916BAF" box="[159,266,186,210]" captionStart-0="FIGURE 3" captionStart-1="FIGURE 4" captionStartId-0="5.[151,250,1739,1762]" captionStartId-1="6.[151,250,1946,1969]" captionTargetBox-0="[317,1270,1234,1722]" captionTargetBox-1="[305,1308,609,1910]" captionTargetId-0="figure@5.[289,1297,1207,1749]" captionTargetId-1="figure@6.[271,1335,587,1934]" captionTargetPageId-0="5" captionTargetPageId-1="6" captionText-0="FIGURE 3. Ascidia cf. gemmata. A. Right side of body (without tunic). B. Left side of body (without tunic). Scale bar: A, B = 0.5 cm." captionText-1="FIGURE 4. Ascidia cf. gemmata. A. Right side of body (external), showing muscles. B. Left side of body (external), showing gut and gonads. C. Dorsal tubercle and anterior part of dorsal lamina. D. Gut and gonads (internal). Scale bar: A, B = 0.5 cm; C, D = 1.0 mm." httpUri-0="https://zenodo.org/record/217395/files/figure.png" httpUri-1="https://zenodo.org/record/217396/files/figure.png" pageId="5" pageNumber="356">Figs. 34</figureCitation>
)
</paragraph>
</subSubSection>
<subSubSection id="51E12492FF9F6679998084EEFE206CB3" pageId="5" pageNumber="356" type="materials_examined">
<paragraph id="19447719FF9F6679998084EEFB696A47" blockId="5.[151,1436,255,1181]" pageId="5" pageNumber="356">
<emphasis id="2B8FAB0BFF9F6679998084EEFE1F6A65" bold="true" box="[151,388,255,280]" pageId="5" pageNumber="356">Material examined:</emphasis>
DZUP ASC 193 1 ind.;
<collectingCountry id="61EC3789FF9F66799BA284EEFD466A6A" box="[693,733,255,279]" name="Iceland" pageId="5" pageNumber="356">Isla</collectingCountry>
Canales de Afuera; 10.0 m, under rock;
<date id="6D4551D9FF9F66799DB984EEFA866A6A" box="[1198,1309,255,279]" pageId="5" pageNumber="356" value="2009-01-13">13/i/2009</date>
; col.: R.M. Rocha. DZUP ASC 194 1 ind.; Shark Point; 6.0 m, under dead coral;
<date id="6D4551D9FF9F66799AAF8533FBBD6A47" box="[952,1062,290,314]" pageId="5" pageNumber="356" value="2009-01-14">14/i/2009</date>
; col. R.M. Rocha.
</paragraph>
<paragraph id="19447719FF9F667999D08554FC676AB8" blockId="5.[151,1436,255,1181]" pageId="5" pageNumber="356">
The animals are up to
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total length and attached to the substrate by the left side. The body is orange but color vibrancy is lost after fixation. It may have some epibionts (bryozoans and algae). The tunic is cartilaginous (
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thick), slightly wrinkled and translucent. There are small conical projections irregularly distributed on the surface of the animal, each one corresponding to the end of blood vessels.
</paragraph>
<paragraph id="19447719FF9F667999D085DEFA0D6950" blockId="5.[151,1436,255,1181]" pageId="5" pageNumber="356">
Small individuals have an oblong body,
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long (including the oral siphon) and 0.51.0 cm wide, without tunic. Both siphons are
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long. The oral siphon has eight smooth lobes, while the atrial siphon has 68 smooth lobes and is
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away from the tentacles. The nervous ganglion is close to the oral siphon.
</paragraph>
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A net of thin fibers (
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thick) forms the musculature on the right side. On the left side, the longitudinal muscles extending from the oral siphon are short and there is a band of short parallel transverse fibers on the dorsal margin. The longitudinal fibers in the siphons are not organized in bands.
</paragraph>
<paragraph id="19447719FF9F667999D0868EFCB9688D" blockId="5.[151,1436,255,1181]" pageId="5" pageNumber="356">
There are 5869 oral tentacles, of four sizes; the largest is 2.0
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long. They project from a thick muscular ring. The prepharyngeal groove is double and the anterior membrane has projections. The distance between the line of tentacles and the prepharyngeal groove is short (up to
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), with some papillae. The peritubercular area is small and the dorsal tubercle aperture is C or U-shaped with enrolled ends. The smooth dorsal lamina is double anteriorly and without any projections on the right side close to the esophageal aperture. The dorsal lamina passes by the esophageal aperture on its left to the end of the pharynx, which extends
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beyond the stomach. There is a narrow lamina with smooth margin on the right of the esophageal aperture. The pharynx has 3943 longitudinal vessels on the right side, 3341 vessels on the left and 6274 transverse vessels; it is very pleated and meshes have 68 stigmata. The primary papillae are simple or slightly trilobed and no intermediate papillae or parastigmatic vessels were found.
</paragraph>
<paragraph id="19447719FF9F667999D087EBFEC36FE0" blockId="5.[151,1436,255,1181]" pageId="5" pageNumber="356">
The alimentary canal is not large, occupying approximately half of the left side of the body. The stomach is globular, with 79 internal folds. The intestine is isodiametric and form two loops. The anus is
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distance from the oral tentacles; it has a bilobed rim. The renal vesicles are
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in diameter, and cover the alimentary canal on its atrial side. There are conspicuous conic projections on the peritoneum that cover the alimentary canal.
</paragraph>
<caption id="4D842791FF9F6679998082DAFF786C7D" httpUri="https://zenodo.org/record/217395/files/figure.png" pageId="5" pageNumber="356" targetBox="[317,1270,1234,1722]" targetPageId="5">
<paragraph id="19447719FF9F6679998082DAFF786C7D" blockId="5.[151,1436,1739,1792]" pageId="5" pageNumber="356">
<emphasis id="2B8FAB0BFF9F6679998082DAFE896D9D" bold="true" box="[151,274,1739,1762]" pageId="5" pageNumber="356">FIGURE 3.</emphasis>
<taxonomicName id="DEFB0C9AFF9F6679980E82DAFE736D9C" box="[281,488,1739,1761]" class="Ascidiacea" family="Ascidiidae" genus="Ascidia" kingdom="Animalia" order="Enterogona" pageId="5" pageNumber="356" phylum="Chordata" rank="species" species="gemmata">
<emphasis id="2B8FAB0BFF9F6679980E82DAFEFE6D9C" box="[281,357,1739,1761]" italics="true" pageId="5" pageNumber="356">Ascidia</emphasis>
cf.
<emphasis id="2B8FAB0BFF9F6679989C82DDFE736D9C" box="[395,488,1740,1761]" italics="true" pageId="5" pageNumber="356">gemmata</emphasis>
</taxonomicName>
. A. Right side of body (without tunic). B. Left side of body (without tunic). Scale bar: A, B = 0.5 cm.
</paragraph>
</caption>
<paragraph id="19447719FF9F667999D0835FFE206CB3" blockId="5.[151,1437,1870,2033]" pageId="5" pageNumber="356">
The cauliflower-shaped ovary lays within both the primary and secondary loops of the intestine; it is visible in the primary loop from the outside and atrial cavity, but in the second loop it is observed only from the inside. Oocytes are
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in diameter. The testis is ramified and spread on the intestine wall. Gonoducts open close to the anus aperture.
</paragraph>
</subSubSection>
<subSubSection id="51E12492FF9F667A99D083C8FB676950" lastPageId="6" lastPageNumber="357" pageId="5" pageNumber="356" type="discussion">
<paragraph id="19447719FF9F667A99D083C8FBA66BAF" blockId="5.[151,1437,1870,2033]" lastBlockId="6.[151,1437,151,558]" lastPageId="6" lastPageNumber="357" pageId="5" pageNumber="356">
<emphasis id="2B8FAB0BFF9F667999D083C8FEA06C8C" bold="true" box="[199,315,2009,2033]" pageId="5" pageNumber="356">Remarks.</emphasis>
Specimens are provisionally identified as
<taxonomicName id="DEFB0C9AFF9F66799A0F83C8FC426C8C" box="[792,985,2009,2033]" class="Ascidiacea" family="Ascidiidae" genus="Ascidia" kingdom="Animalia" order="Enterogona" pageId="5" pageNumber="356" phylum="Chordata" rank="species" species="gemmata">
<emphasis id="2B8FAB0BFF9F66799A0F83C8FC426C8C" box="[792,985,2009,2033]" italics="true" pageId="5" pageNumber="356">Ascidia gemmata</emphasis>
</taxonomicName>
because of their general resemblance to most of the descriptions of the color, size, right side musculature, shape and position of the ovary, and network of blood vessels inside the tunic which form small papillae on the surface of the tunic.
</paragraph>
<paragraph id="19447719FF9C667A99D084CCFB676950" blockId="6.[151,1437,151,558]" pageId="6" pageNumber="357">
Nonetheless, there is some incongruence among descriptions of
<taxonomicName id="DEFB0C9AFF9C667A9A8484CCFB836B88" box="[915,1048,221,245]" class="Ascidiacea" family="Ascidiidae" genus="Ascidia" kingdom="Animalia" order="Enterogona" pageId="6" pageNumber="357" phylum="Chordata" rank="species" species="gemmata">
<emphasis id="2B8FAB0BFF9C667A9A8484CCFB836B88" box="[915,1048,221,245]" italics="true" pageId="6" pageNumber="357">A. gemmata</emphasis>
</taxonomicName>
. For example, it is possible to find 36 stigmata per mesh in the pharynx (Tokioka 1961; Nishikawa 1991) and up to 812 stigmata per mesh (Monniot &amp; Monniot 2001); the intestine may be isodiametric (Tokioka 1961; Monniot 1991) or with a dilatation in the posterior region (Tokioka 1950; Monniot &amp; Monniot 2001); the dorsal tubercle is usually U-shaped, but it may be meandric or subdivided in many slits (Tokioka 1950; Nishikawa 1991); and the number of oral tentacles may vary between
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specimens from
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Is. and
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(Tokioka 1950; Monniot 1991; Monniot &amp; Monniot 2001),
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specimens from
<collectingCountry id="61EC3789FF9C667A9B5385BFFD1F6AB8" box="[580,644,430,453]" name="Japan" pageId="6" pageNumber="357">Japan</collectingCountry>
(Nishikawa 1991) and approximately
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specimens collected from
<collectingCountry id="61EC3789FF9C667A998085DEFF656A9A" box="[151,254,463,487]" name="Australia" pageId="6" pageNumber="357">Australia</collectingCountry>
(Kott 1985). Therefore we agree with the suggestion of Monniot and Monniot (2001) about the presence of more than one species in the available descriptions of
<taxonomicName id="DEFB0C9AFF9C667A9A0385E2FC006976" box="[788,923,499,523]" class="Ascidiacea" family="Ascidiidae" genus="Ascidia" kingdom="Animalia" order="Enterogona" pageId="6" pageNumber="357" phylum="Chordata" rank="species" species="gemmata">
<emphasis id="2B8FAB0BFF9C667A9A0385E2FC006976" box="[788,923,499,523]" italics="true" pageId="6" pageNumber="357">A. gemmata</emphasis>
</taxonomicName>
and the necessity of a detailed revision of the group. If confirmed, this record is the first one of this species on the Central American Pacific coast.
</paragraph>
</subSubSection>
</treatment>
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