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<document id="E0C86894A9B9C1DF19DD49B464FC0C5E" ID-DOI="10.11646/zootaxa.4808.1.1" ID-ISSN="1175-5326" ID-Zenodo-Dep="3927861" ID-ZooBank="64E656F6-FBD7-4BA2-B399-B10A97CBEF72" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1593677411991" checkinUser="plazi" docAuthor="Mendoza-Becerril, María A., Estrada-González, Mariae C., Mazariegos-Villarreal, Alejandra, Restrepo-Avendaño, Luisa, Villar-Beltrán, Rogelio D., Agüero, José &amp; Cunha, Amanda F." docDate="2020" docId="1A5A002BFFF76D7628E33F1780E5558C" docLanguage="en" docName="zootaxa.4808.1.1.pdf" docOrigin="Zootaxa 4808 (1)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Hydrocorynidae Rees 1957" docType="treatment" docVersion="5" lastPageNumber="7" masterDocId="E6637853FFF16D7028743C3680055317" masterDocTitle="Taxonomy and diversity of Hydrozoa (Cnidaria, Medusozoa) of La Paz Bay, Gulf of California" masterLastPageNumber="37" masterPageNumber="1" pageNumber="7" updateTime="1698777080875" updateUser="plazi" zenodo-license-document="CLOSED">
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<mods:title id="1A7EFA40E63174603A15C3F0FCC240D1">Taxonomy and diversity of Hydrozoa (Cnidaria, Medusozoa) of La Paz Bay, Gulf of California</mods:title>
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<mods:namePart id="4B75EDEC267AF6DB10A417821FB045F2">Mendoza-Becerril, María A.</mods:namePart>
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<subSubSection id="DAE9E2B6FFF76D7628E33F17818A502C" box="[151,399,801,827]" pageId="6" pageNumber="7" type="nomenclature">
<paragraph id="924CB13DFFF76D7628E33F17818A502C" blockId="6.[151,399,801,863]" box="[151,399,801,827]" pageId="6" pageNumber="7">
<heading id="C9040651FFF76D7628E33F17818A502C" bold="true" box="[151,399,801,827]" fontSize="11" level="1" pageId="6" pageNumber="7" reason="1">
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<taxonomicName id="55F3CABEFFF76D7628E33F178161502C" ID-CoL="7NHWC" authorityName="Rees" authorityYear="1957" box="[151,356,801,827]" class="Hydrozoa" family="Hydrocorynidae" kingdom="Animalia" order="Anthoathecata" pageId="6" pageNumber="7" phylum="Cnidaria" rank="family">Hydrocorynidae</taxonomicName>
sp.
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<subSubSection id="DAE9E2B6FFF76D7628E33F73811D5048" box="[151,280,837,863]" pageId="6" pageNumber="7" type="description">
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<figureCitation id="0AC8ADB8FFF76D7628E33F7380E45048" box="[151,225,837,863]" captionStart="FIGURE 3" captionStartId="8.[151,250,1674,1699]" captionTargetBox="[151,1436,345,1650]" captionTargetId="figure@8.[151,1436,345,1650]" captionTargetPageId="8" captionText="FIGURE 3. AB Rhopalonema velatum Gegenbaur, 1857: A, ecto-endodermal statocyst; B, nematocyst of medusa; a, stenotele; b, desmoneme. CG Hydrocorynidae: C, colony; D, encrusting colony and amorphous hydrorhizal; E, hydranths and gonophore; F, capitate tentacles; G, nematocyst of polyp; a, stenotele; b, microbasic euryteles. HK Stauridiosarsia ophiogaster (Haeckel, 1879): H, medusa; I, manubrium and gonads; J, capitate tentacles; K, nematocyst of medusa; a, desmoneme; b, stenotele. L, Bimeria vestita Wright, 1859 polyp. Scale equals A, F, J—200 µm; B, K, G—20 µm; C—33 mm; D—3.5 mm; E—0.8 mm; H—0.7 mm; I—500 µm; L—0.2 mm." figureDoi="http://doi.org/10.5281/zenodo.3927867" httpUri="https://zenodo.org/record/3927867/files/figure.png" pageId="6" pageNumber="7">Figs. 3</figureCitation>
CG
</paragraph>
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<subSubSection id="DAE9E2B6FFF76D7628E33FBA849250B0" box="[151,1175,908,935]" pageId="6" pageNumber="7" type="materials_examined">
<paragraph id="924CB13DFFF76D7628E33FBA849250B0" blockId="6.[151,1437,908,1691]" box="[151,1175,908,935]" pageId="6" pageNumber="7">
<emphasis id="A0876D2FFFF76D7628E33FBA818450B0" bold="true" box="[151,385,908,935]" pageId="6" pageNumber="7">Material examined.</emphasis>
Polyp—PB6_6, sampling site 2 (3), on rock, Cirripedia, and Bryozoa.
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<subSubSection id="DAE9E2B6FFF76D7628B33F8680FD5768" pageId="6" pageNumber="7" type="description">
<paragraph id="924CB13DFFF76D7628B33F86849B5720" blockId="6.[151,1437,908,1691]" pageId="6" pageNumber="7">
<emphasis id="A0876D2FFFF76D7628B33F86815C50DC" bold="true" box="[199,345,944,971]" pageId="6" pageNumber="7">Description.</emphasis>
Colonies small, unbranched, arising from an encrusting base, from
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high, with an amorphous hydrorhizal plate with 817 hydranths. Hydranths from
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high; capitate tentacles
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number, arranged in two close whorls (
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long). Soft and smooth exoskeleton. Gonophore origin on unbranched pedicels off the hydrorhiza,
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long; pedicel
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long.
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<paragraph id="924CB13DFFF76D7628B3387780FD5768" blockId="6.[151,1437,908,1691]" pageId="6" pageNumber="7">
Nematocysts (length x diam.). Stenotele (9.317.0 x
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) and microbasic euryteles (10.912.7 x
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).
</paragraph>
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<subSubSection id="DAE9E2B6FFF76D7628B338BF835F5527" pageId="6" pageNumber="7" type="discussion">
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<emphasis id="A0876D2FFFF76D7628B338BF813E57B4" bold="true" box="[199,315,1161,1187]" pageId="6" pageNumber="7">Remarks.</emphasis>
Genera of this family have often been distinguished based on whether gonophores remain fixed or are liberated as free medusa. Their polyp is notable for its large size, reaching up to
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high in a state of expansion (
<bibRefCitation id="F662CCCCFFF76D7628A338E7815157FC" author="Rees, W. J." box="[215,340,1232,1259]" pageId="6" pageNumber="7" pagination="453 - 534" refId="ref25448" refString="Rees, W. J. (1957) Evolutionary trends in the classification of capitate hydroids and medusae. Bulletin of the British Museum (Natural History), Zoology, 4, 453 - 534." type="journal article" year="1957">Rees 1957</bibRefCitation>
).
<bibRefCitation id="F662CCCCFFF76D76291D38E7821657FC" author="Mangin, K. L." box="[361,531,1233,1259]" pageId="6" pageNumber="7" pagination="443 - 451" refId="ref23763" refString="Mangin, K. L. (1991) Samuraia tabularasa gen. nov., sp. nov. (Cnidaria, Hydrozoa, Hydrocorynidae), an intertidal hydroid from the Gulf of California, Mexico. Hydrobiologia, 216 (1), 443 - 451. https: // doi. org / 10.1007 / BF 00026498" type="journal article" year="1991">Mangin (1991)</bibRefCitation>
distinguishes
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<emphasis id="A0876D2FFFF76D762ACC38E7832057FC" box="[696,805,1233,1259]" italics="true" pageId="6" pageNumber="7">Samuraia</emphasis>
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from
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<emphasis id="A0876D2FFFF76D762B1938E7840557FC" box="[877,1024,1233,1259]" italics="true" pageId="6" pageNumber="7">Hydrocoryne</emphasis>
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because the former has gonophores originating on unbranched pedicels on the hydrorhiza and medusoids with gonads surrounding the manubrium; it lacks tentacles, ocelli, mouth, and peduncle; and has irregular, knobby radial canals. In the material examined, we could not observe mature gonophores or medusoids, and the polyps were tiny and probably juveniles. As a result, the morphology of the material examined could be related to either
<taxonomicName id="55F3CABEFFF76D762BDF3957841D566C" authorityName="Mangin" authorityYear="1991" box="[939,1048,1377,1403]" class="Hydrozoa" family="Hydrocorynidae" genus="Samuraia" kingdom="Animalia" order="Anthoathecata" pageId="6" pageNumber="7" phylum="Cnidaria" rank="genus">
<emphasis id="A0876D2FFFF76D762BDF3957841D566C" box="[939,1048,1377,1403]" italics="true" pageId="6" pageNumber="7">Samuraia</emphasis>
</taxonomicName>
or
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<emphasis id="A0876D2FFFF76D762C37395784D3566C" box="[1091,1238,1377,1403]" italics="true" pageId="6" pageNumber="7">Hydrocoryne</emphasis>
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, especially if we consider the following characters: number of tentacles of the hydranth (1013
<emphasis id="A0876D2FFFF76D762C6F39B0843F5688" box="[1051,1082,1414,1439]" italics="true" pageId="6" pageNumber="7">vs.</emphasis>
1122 and
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<taxonomicName id="55F3CABEFFF76D762D5B39B385995688" authorityName="Mangin" authorityYear="1991" box="[1327,1436,1413,1439]" class="Hydrozoa" family="Hydrocorynidae" genus="Samuraia" kingdom="Animalia" order="Anthoathecata" pageId="6" pageNumber="7" phylum="Cnidaria" rank="genus">
<emphasis id="A0876D2FFFF76D762D5B39B385995688" box="[1327,1436,1413,1439]" italics="true" pageId="6" pageNumber="7">Samuraia</emphasis>
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and
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,
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respectively), tentacles arranged in two close whorls and length of extended tentacles (
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<emphasis id="A0876D2FFFF76D7628BF39F880EF56F0" box="[203,234,1486,1511]" italics="true" pageId="6" pageNumber="7">vs.</emphasis>
0.40.6 and
<quantity id="550B1CD8FFF76D76290B39FA820256F0" box="[383,519,1484,1511]" metricMagnitude="-3" metricUnit="m" metricValue="1.95" metricValueMax="3.4" metricValueMin="0.5" pageId="6" pageNumber="7" unit="mm" value="1.95" valueMax="3.4" valueMin="0.5">0.53.4 mm</quantity>
in
<taxonomicName id="55F3CABEFFF76D762A5A39FB829E56F0" authorityName="Mangin" authorityYear="1991" box="[558,667,1485,1511]" class="Hydrozoa" family="Hydrocorynidae" genus="Samuraia" kingdom="Animalia" order="Anthoathecata" pageId="6" pageNumber="7" phylum="Cnidaria" rank="genus">
<emphasis id="A0876D2FFFF76D762A5A39FB829E56F0" box="[558,667,1485,1511]" italics="true" pageId="6" pageNumber="7">Samuraia</emphasis>
</taxonomicName>
and
<emphasis id="A0876D2FFFF76D762AA039FB836856F0" box="[724,877,1485,1511]" italics="true" pageId="6" pageNumber="7">
<taxonomicName id="55F3CABEFFF76D762AA039FB836F56F0" box="[724,874,1485,1511]" class="Hydrozoa" family="Hydrocorynidae" genus="Hydrocoryne" kingdom="Animalia" order="Anthoathecata" pageId="6" pageNumber="7" phylum="Cnidaria" rank="genus">Hydrocoryne</taxonomicName>
,
</emphasis>
respectively), size of the hydranths (
<quantity id="550B1CD8FFF76D762D6739FB859856F0" box="[1299,1437,1485,1511]" metricMagnitude="-4" metricUnit="m" metricValue="7.5" metricValueMax="11.0" metricValueMin="4.0" pageId="6" pageNumber="7" unit="mm" value="0.75" valueMax="1.1" valueMin="0.4">0.41.1 mm</quantity>
<emphasis id="A0876D2FFFF76D7628E339C480B3551C" box="[151,182,1522,1547]" italics="true" pageId="6" pageNumber="7">vs.</emphasis>
30 and
<quantity id="550B1CD8FFF76D76297A39C78158551C" box="[270,349,1521,1547]" metricMagnitude="-2" metricUnit="m" metricValue="6.0" pageId="6" pageNumber="7" unit="mm" value="60.0">60 mm</quantity>
long in
<taxonomicName id="55F3CABEFFF76D7629CD39C78223551C" authorityName="Mangin" authorityYear="1991" box="[441,550,1521,1547]" class="Hydrozoa" family="Hydrocorynidae" genus="Samuraia" kingdom="Animalia" order="Anthoathecata" pageId="6" pageNumber="7" phylum="Cnidaria" rank="genus">
<emphasis id="A0876D2FFFF76D7629CD39C78223551C" box="[441,550,1521,1547]" italics="true" pageId="6" pageNumber="7">Samuraia</emphasis>
</taxonomicName>
and
<emphasis id="A0876D2FFFF76D762A2839C782F3551C" box="[604,758,1521,1547]" italics="true" pageId="6" pageNumber="7">
<taxonomicName id="55F3CABEFFF76D762A2839C782F7551C" box="[604,754,1521,1547]" class="Hydrozoa" family="Hydrocorynidae" genus="Hydrocoryne" kingdom="Animalia" order="Anthoathecata" pageId="6" pageNumber="7" phylum="Cnidaria" rank="genus">Hydrocoryne</taxonomicName>
,
</emphasis>
respectively), and size of the colony (817
<emphasis id="A0876D2FFFF76D762CAB39C484F8551C" box="[1247,1277,1522,1547]" italics="true" pageId="6" pageNumber="7">vs.</emphasis>
13 and 220 hydranths/colony in
<taxonomicName id="55F3CABEFFF76D7629093A2381EF5538" authorityName="Mangin" authorityYear="1991" box="[381,490,1557,1583]" class="Hydrozoa" family="Hydrocorynidae" genus="Samuraia" kingdom="Animalia" order="Anthoathecata" pageId="6" pageNumber="7" phylum="Cnidaria" rank="genus">
<emphasis id="A0876D2FFFF76D7629093A2381EF5538" box="[381,490,1557,1583]" italics="true" pageId="6" pageNumber="7">Samuraia</emphasis>
</taxonomicName>
and
<emphasis id="A0876D2FFFF76D762A553A2382BF5538" box="[545,698,1557,1583]" italics="true" pageId="6" pageNumber="7">
<taxonomicName id="55F3CABEFFF76D762A553A2382B25538" box="[545,695,1557,1583]" class="Hydrozoa" family="Hydrocorynidae" genus="Hydrocoryne" kingdom="Animalia" order="Anthoathecata" pageId="6" pageNumber="7" phylum="Cnidaria" rank="genus">Hydrocoryne</taxonomicName>
,
</emphasis>
respectively).
</paragraph>
</subSubSection>
<subSubSection id="DAE9E2B6FFF76D7628B33A0E80E5558C" pageId="6" pageNumber="7" type="distribution">
<paragraph id="924CB13DFFF76D7628B33A0E80E5558C" blockId="6.[151,1437,908,1691]" pageId="6" pageNumber="7">
<emphasis id="A0876D2FFFF76D7628B33A0E81645544" bold="true" box="[199,353,1592,1619]" pageId="6" pageNumber="7">Distribution.</emphasis>
Family reported in the Pacific and Atlantic Oceans (
<bibRefCitation id="F662CCCCFFF76D762BCF3A0F84BC5544" author="Morandini, A. C. &amp; Stampar, S. N. &amp; Migotto, A. E. &amp; Marques, A. C." box="[955,1209,1593,1619]" pageId="6" pageNumber="7" pagination="67 - 76" refId="ref24169" refString="Morandini, A. C., Stampar, S. N., Migotto, A. E., &amp; Marques, A. C. (2009) Hydrocoryne iemanja (Cnidaria), a new species of Hydrozoa with unusual mode of asexual reproduction. Journal of the Marine Biological Association of the United Kingdom, 89, 67 - 76. https: // doi. org / 10.1017 / S 0025315408002968" type="journal article" year="2009">
Morandini
<emphasis id="A0876D2FFFF76D762C483A0C846A5544" box="[1084,1135,1593,1619]" italics="true" pageId="6" pageNumber="7">et al</emphasis>
. 2009
</bibRefCitation>
;
<bibRefCitation id="F662CCCCFFF76D762CB33A0F85745544" author="Du, F. Y. &amp; Lin, Z. J. &amp; Xu, Z. Z. &amp; Huang, J. Q. &amp; Guo, D. H." box="[1223,1393,1593,1619]" pageId="6" pageNumber="7" pagination="749 - 755" refId="ref21205" refString="Du, F. Y., Lin, Z. J., Xu, Z. Z., Huang, J. Q. &amp; Guo, D. H. (2013) Three new species of hydroidomedusae (Cnidaria) from the Meiji Reef and Daya bay, South China Sea. Acta Zootaxonomica Sinica, 38, 749 - 755." type="journal article" year="2013">
Du
<emphasis id="A0876D2FFFF76D762C863A0C85205544" box="[1266,1317,1593,1619]" italics="true" pageId="6" pageNumber="7">et al</emphasis>
. 2013
</bibRefCitation>
). In Mexican Pacific, it has been registered in
<collectingRegion id="50377FDFFFF76D762A123A6B82B05560" box="[614,693,1629,1655]" country="Mexico" name="Sonora" pageId="6" pageNumber="7">Sonora</collectingRegion>
(Pelican Point) (
<bibRefCitation id="F662CCCCFFF76D762B043A6B840D5560" author="Mangin, K. L." box="[880,1032,1629,1655]" pageId="6" pageNumber="7" pagination="443 - 451" refId="ref23763" refString="Mangin, K. L. (1991) Samuraia tabularasa gen. nov., sp. nov. (Cnidaria, Hydrozoa, Hydrocorynidae), an intertidal hydroid from the Gulf of California, Mexico. Hydrobiologia, 216 (1), 443 - 451. https: // doi. org / 10.1007 / BF 00026498" type="journal article" year="1991">Mangin 1991</bibRefCitation>
) and
<collectingRegion id="50377FDFFFF76D762C313A6B84AF5560" box="[1093,1194,1629,1655]" country="Mexico" name="Guerrero" pageId="6" pageNumber="7">Guerrero</collectingRegion>
(Acapulco) (
<bibRefCitation id="F662CCCCFFF76D762D483A6B80D6558C" author="Bigelow, H. B." pageId="6" pageNumber="7" pagination="1 - 243" refId="ref19370" refString="Bigelow, H. B. (1909) The medusa. Vol. 37. Museum of Comparative zoology. Reports on the scientific results of the expedition to the Eastern Tropical Pacific, in charge of Alexander Agassiz, by the U. S. Fish Commission Steamer &quot; Albatross, &quot; from October, 1904, to March, 1905, Lieut. Commander L. M. Garrett, U. S. N., Commanding. XVI. Memoirs of the Museum of Comparative Zoology, 37, 1 - 243." type="journal article" year="1909">Bigelow 1909</bibRefCitation>
).
</paragraph>
</subSubSection>
</treatment>
</document>