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<mods:title id="7454DCF2C2D53A0B607A43050D6F48A1">On some species of Zygophylax Quelch, 1885 (Cnidaria: Hydrozoa: Zygophylacidae) from off New Caledonia</mods:title>
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<mods:namePart id="3AF7CA3029B8C9D5478DE93E4A1035E3">Galea, Horia R.</mods:namePart>
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<mods:namePart id="3777C7C634F7CF276A172703A1EF15F7">Maggioni, Davide</mods:namePart>
<mods:affiliation id="D793218BD3DD731DD7A583411D362ABB">Università degli Studi di Milano-Bicocca, Dipartimento di Scienze dellAmbiente e della Terra, Piazza della Scienza 1, 20126 Milano, Italy. &amp; Università degli Studi di Milano-Bicocca, Marine and High Education (MaRHE) Center, 12030 Faafu Magoodhoo, Republic of the Maldives.</mods:affiliation>
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<mods:namePart id="12C3EBCE7A69C4B092455A225F5DFCC4">Galli, Paolo</mods:namePart>
<mods:affiliation id="321C36E04089062002681687AC2E2380">Università degli Studi di Milano-Bicocca, Dipartimento di Scienze dellAmbiente e della Terra, Piazza della Scienza 1, 20126 Milano, Italy. &amp; Università degli Studi di Milano-Bicocca, Marine and High Education (MaRHE) Center, 12030 Faafu Magoodhoo, Republic of the Maldives.</mods:affiliation>
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<treatment id="03EB87C9FF8A4D61FF22FF71FCBFF835" ID-DOI="http://doi.org/10.5281/zenodo.7383647" ID-GBIF-Taxon="205364192" ID-Zenodo-Dep="7383647" LSID="urn:lsid:plazi:treatment:03EB87C9FF8A4D61FF22FF71FCBFF835" httpUri="http://treatment.plazi.org/id/03EB87C9FF8A4D61FF22FF71FCBFF835" lastPageNumber="28" pageId="27" pageNumber="28">
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<heading id="D0B581B3FF8A4D61FF22FF71FCEAFF75" bold="true" box="[151,798,151,178]" fontSize="11" level="1" pageId="27" pageNumber="28" reason="1">
<taxonomicName id="4C424D5CFF8A4D61FF22FF71FCEAFF75" ID-CoL="af6ddda4-d67d-4a05-b5a1-2eb316273492" authority="Vervoort &amp; Watson, 2003" authorityName="Vervoort &amp; Watson" authorityYear="2003" box="[151,798,151,178]" class="Hydrozoa" family="Zygophylacidae" genus="Zygophylax" kingdom="Animalia" order="Leptothecata" pageId="27" pageNumber="28" phylum="Cnidaria" rank="species" species="pseudafricana">
<emphasis id="B936EACDFF8A4D61FF22FF71FCEAFF75" bold="true" box="[151,798,151,178]" pageId="27" pageNumber="28">
<emphasis id="B936EACDFF8A4D61FF22FF71FE2DFF76" bold="true" box="[151,473,151,178]" italics="true" pageId="27" pageNumber="28">Zygophylax pseudafricana</emphasis>
<bibRefCitation id="EFD34B2EFF8A4D61FE55FF71FCEAFF75" author="Vervoort, W. &amp; Watson, J. E." box="[480,798,151,177]" pageId="27" pageNumber="28" pagination="1 - 538" refId="ref25310" refString="Vervoort, W. &amp; Watson, J. E. (2003) The marine fauna of New Zealand: Leptothecata (Cnidaria: Hydrozoa) (thecate hydroids). NIWA Biodiversity Memoir, 119, 1 - 538." type="journal article" year="2003">Vervoort &amp; Watson, 2003</bibRefCitation>
</emphasis>
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<paragraph id="8BFD36DFFF8A4D61FF22FF5DFE2DFF11" blockId="27.[151,798,151,214]" box="[151,473,187,214]" pageId="27" pageNumber="28">
(
<figureCitation id="13792A5AFF8A4D61FF2AFF5DFF02FF12" box="[159,246,187,214]" captionStart="FIGURE 15" captionStartId="28.[151,250,1224,1248]" captionTargetBox="[184,1411,181,1200]" captionTargetId="figure-32@28.[177,1411,181,1200]" captionTargetPageId="28" captionText="FIGURE 15. Zygophylax pseudafricana Vervoort &amp; Watson, 2003 (part). A. Apical part of a colony. BG. Cauline (B, C), axillar (D) and cladial (EG) hydrothecae. All from sample MNHN-IK-2015-2760. Scale bars: BG = 300 µm; A = 1 mm." figureDoi="http://doi.org/10.5281/zenodo.7381866" httpUri="https://zenodo.org/record/7381866/files/figure.png" pageId="27" pageNumber="28">Figs 15</figureCitation>
,
<figureCitation id="13792A5AFF8A4D61FEB7FF5DFED4FF11" box="[258,288,187,213]" captionStart="FIGURE 16" captionStartId="28.[151,250,1940,1964]" captionTargetBox="[180,1411,1309,1916]" captionTargetId="figure-74@28.[177,1411,1309,1916]" captionTargetPageId="28" captionText="FIGURE 16. Zygophylax pseudafricana Vervoort &amp; Watson, 2003 (continued). AC. Nematothecae associated to the axillar (A) and cladial (B, C) hydrothecae, occurring either singly (A, B) or in pairs (C). D, E. Portion of coppinia seen apically (D) and in cross-section (E), showing fused gonothecae. Scale bars: AC = 100 µm; D, E = 500 µm." figureDoi="http://doi.org/10.5281/zenodo.7381868" httpUri="https://zenodo.org/record/7381868/files/figure.png" pageId="27" pageNumber="28">16</figureCitation>
,
<figureCitation id="13792A5AFF8A4D61FE99FF5DFEBFFF12" box="[300,331,187,214]" captionStart="FIGURE 25" captionStartId="40.[151,250,1919,1943]" captionTargetBox="[151,1436,561,1896]" captionTargetId="figure-223@40.[151,1436,561,1896]" captionTargetPageId="40" captionText="FIGURE 25. Phylogenetic hypothesis for the Zygophylaciidae based on the 16S rRNA gene. Numbers at nodes refer to support values of the maximum likelihood, Bayesian inference and maximum parsimony analyses, respectively, and are shown only when&gt; 70 and 0.7. Sequences generated in this study are followed by voucher numbers." figureDoi="http://doi.org/10.5281/zenodo.7381892" httpUri="https://zenodo.org/record/7381892/files/figure.png" pageId="27" pageNumber="28">25</figureCitation>
;
<tableCitation id="C6C00364FF8A4D61FEE3FF5DFE42FF11" box="[342,438,187,213]" captionStart="TABLE 6" captionStartId="25.[151,239,151,175]" captionTargetPageId="25" captionText="TABLE 6. Measurements (in µm) of some species of Zygophylax." httpUri="http://table.plazi.org/id/DF3D6657FF884D63FF22FF71FCAFFF6B" pageId="27" pageNumber="28" tableUuid="DF3D6657FF884D63FF22FF71FCAFFF6B">Tables 6</tableCitation>
,
<tableCitation id="C6C00364FF8A4D61FE77FF5DFE24FF11" box="[450,464,187,213]" captionStart="TABLE 8" captionStartId="41.[151,233,472,498]" captionTargetBox="[151,2024,501,1730]" captionText="TABLE 8. Pairwise genetic distances between and within zygophylacid species, calculated as uncorrected p-distances ± standard deviations (in %). N.C. stands for non-calculable." httpUri="http://table.plazi.org/id/DF3D6657FFB84D53FF22FE3EF8DDFE36" pageId="27" pageNumber="28" tableUuid="DF3D6657FFB84D53FF22FE3EF8DDFE36">8</tableCitation>
)
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<paragraph id="8BFD36DFFF8A4D61FF22FEE6FB8AFEDC" blockId="27.[151,1150,256,341]" box="[151,1150,256,280]" pageId="27" pageNumber="28">
<treatmentCitationGroup id="AB5211F1FF8A4D61FF22FEE6FB8AFEDC" box="[151,1150,256,280]" pageId="27" pageNumber="28">
<treatmentCitation id="0AE310CEFF8A4D61FF22FEE6FD15FEDC" author="Vervoort, W. &amp; Watson, J. E." box="[151,737,256,280]" page="78" pageId="27" pageNumber="28" year="2003">
<taxonomicName id="4C424D5CFF8A4D61FF22FEE6FD15FEDC" ID-CoL="5DBLC" authority="Vervoort &amp; Watson, 2003: 78" authorityName="Vervoort &amp; Watson" authorityPageNumber="78" authorityYear="2003" box="[151,737,256,280]" class="Hydrozoa" family="Zygophylacidae" genus="Zygophylax" kingdom="Animalia" order="Leptothecata" pageId="27" pageNumber="28" phylum="Cnidaria" rank="species" species="pseudafricanus">
<emphasis id="B936EACDFF8A4D61FF22FEE6FE5BFEDC" box="[151,431,256,280]" italics="true" pageId="27" pageNumber="28">Zygophylax pseudafricanus</emphasis>
<bibRefCitation id="EFD34B2EFF8A4D61FE01FEE6FD15FEDC" author="Vervoort, W. &amp; Watson, J. E." box="[436,737,256,280]" pageId="27" pageNumber="28" pagination="1 - 538" refId="ref25310" refString="Vervoort, W. &amp; Watson, J. E. (2003) The marine fauna of New Zealand: Leptothecata (Cnidaria: Hydrozoa) (thecate hydroids). NIWA Biodiversity Memoir, 119, 1 - 538." type="journal article" year="2003">Vervoort &amp; Watson, 2003: 78</bibRefCitation>
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, fig. 13AF (incorrect original spelling).
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</paragraph>
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<treatmentCitationGroup id="AB5211F1FF8A4D61FF22FEF8FD2DFEF2" box="[151,729,286,310]" pageId="27" pageNumber="28">
<taxonomicName id="4C424D5CFF8A4D61FF22FEF8FE51FEF2" ID-CoL="af6ddda4-d67d-4a05-b5a1-2eb316273492" authorityName="Vervoort &amp; Watson" authorityYear="2003" box="[151,421,286,310]" class="Hydrozoa" family="Zygophylacidae" genus="Zygophylax" kingdom="Animalia" order="Leptothecata" pageId="27" pageNumber="28" phylum="Cnidaria" rank="species" species="pseudafricana">
<emphasis id="B936EACDFF8A4D61FF22FEF8FE51FEF2" box="[151,421,286,310]" italics="true" pageId="27" pageNumber="28">Zygophylax pseudafricana</emphasis>
</taxonomicName>
<treatmentCitation id="0AE310CEFF8A4D61FE0BFEF8FD72FEF2" author="Campos, F. F." box="[446,646,286,310]" page="146" pageId="27" pageNumber="28" year="2017">
<bibRefCitation id="EFD34B2EFF8A4D61FE0BFEF8FD72FEF2" author="Campos, F. F." box="[446,646,286,310]" pageId="27" pageNumber="28" refId="ref22573" refString="Campos, F. F. (2017) Revisao taxonomica do genero Zygophylax Quelch, 1885 (Cnidaria: Hydrozoa: Lafoeidae). Universidade Federal de Pernambuco, Recife, 217 pp." type="book" year="2017">Campos, 2017: 146</bibRefCitation>
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, fig. 33.
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</paragraph>
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<treatmentCitationGroup id="AB5211F1FF8A4D61FF22FEDBFC31FE91" box="[151,965,317,341]" pageId="27" pageNumber="28">
<treatmentCitation id="0AE310CEFF8A4D61FF22FEDBFD98FE91" ID-DOI="http://doi.org/10.5281/zenodo.4450754" ID-Zenodo-Dep="4450754" LSID="urn:lsid:zoobank.org:act:37FF8BBE-19DC-4907-AA4A-D88087ADE03A" author="Pena Cantero, A. L." box="[151,620,317,341]" httpUri="http://treatment.plazi.org/id/513D0740FFEDD43954FCF8DFFF5843F1" page="389" pageId="27" pageNumber="28" year="2020">
<taxonomicName id="4C424D5CFF8A4D61FF22FEDBFD98FE91" ID-CoL="84F5Z" authority="Pena Cantero, 2020: 389" authorityName="Pena Cantero" authorityPageNumber="389" authorityYear="2020" box="[151,620,317,341]" class="Hydrozoa" family="Zygophylacidae" genus="Zygophylax" kingdom="Animalia" order="Leptothecata" pageId="27" pageNumber="28" phylum="Cnidaria" rank="species" species="dispersa">
<emphasis id="B936EACDFF8A4D61FF22FEDBFE9EFE91" box="[151,362,317,341]" italics="true" pageId="27" pageNumber="28">Zygophylax dispersa</emphasis>
<bibRefCitation id="EFD34B2EFF8A4D61FEC5FEDBFD98FE91" author="Pena Cantero, A. L." box="[368,620,317,341]" pageId="27" pageNumber="28" pagination="389 - 404" refId="ref24646" refString="Pena Cantero, A. L. (2020) On six new species of Zygophylax Quelch, 1885 (Cnidaria, Hydrozoa, Zygophylacidae) from the New Caledonian region. Zootaxa, 4822 (3), 389 - 404. https: // doi. org / 10.11646 / zootaxa. 4822.3.4" type="journal article" year="2020">Peña Cantero, 2020: 389</bibRefCitation>
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, figs. 1AB, 2, 3AB (
<emphasis id="B936EACDFF8A4D61FCEDFEDBFC42FE90" bold="true" box="[856,950,317,341]" pageId="27" pageNumber="28">syn. nov.</emphasis>
).
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</paragraph>
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<emphasis id="B936EACDFF8A4D61FF22FE65FE8DFE59" bold="true" box="[151,377,387,413]" pageId="27" pageNumber="28">Material examined</emphasis>
.
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MNHN-IK-2015-2760, KANADEEP 2
<collectorName id="26B75309FF8A4D61FCF1FE65FC5CFE5A" box="[836,936,387,414]" pageId="27" pageNumber="28">Stn. DW</collectorName>
5107: a
<emphasis id="B936EACDFF8A4D61FC4AFE62FBEDFE59" box="[1023,1049,388,413]" italics="true" pageId="27" pageNumber="28">ca</emphasis>
.
<quantity id="4CBA9B3AFF8A4D61FB92FE65FB9EFE5A" box="[1063,1130,387,414]" metricMagnitude="-1" metricUnit="m" metricValue="1.1" pageId="27" pageNumber="28" unit="cm" value="11.0">11 cm</quantity>
high sterile colony (colony A) and a
<emphasis id="B936EACDFF8A4D61FEB7FE4EFEE8FE05" box="[258,284,424,449]" italics="true" pageId="27" pageNumber="28">ca</emphasis>
.
<quantity id="4CBA9B3AFF8A4D61FE99FE41FE90FE06" box="[300,356,423,450]" metricMagnitude="-2" metricUnit="m" metricValue="4.0" pageId="27" pageNumber="28" unit="cm" value="4.0">4 cm</quantity>
high colony fragment bearing a coppinia (colony B);
<collectorName id="26B75309FF8A4D61FC7EFE41FBCDFE05" box="[971,1081,423,449]" pageId="27" pageNumber="28">GenBank</collectorName>
:
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(A)
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and
<accessionNumber id="9411AB3CFF8A4D61FA91FE41FA69FE05" box="[1316,1437,423,449]" httpUri="https://www.ebi.ac.uk/ena/browser/api/embl/OP724382" pageId="27" pageNumber="28">OP724382</accessionNumber>
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(B).
</paragraph>
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<subSubSection id="C3586554FF8A4D61FF72FE09FB2FFA3E" pageId="27" pageNumber="28" type="description">
<paragraph id="8BFD36DFFF8A4D61FF72FE09FB2FFA3E" blockId="27.[151,1437,387,2034]" pageId="27" pageNumber="28">
<emphasis id="B936EACDFF8A4D61FF72FE09FEA5FDCD" bold="true" box="[199,337,495,521]" pageId="27" pageNumber="28">Description</emphasis>
. Entire colony erect,
<emphasis id="B936EACDFF8A4D61FDF8FE16FD93FDCD" box="[589,615,496,521]" italics="true" pageId="27" pageNumber="28">ca</emphasis>
.
<quantity id="4CBA9B3AFF8A4D61FDCDFE09FD4BFDCE" box="[632,703,495,522]" metricMagnitude="-1" metricUnit="m" metricValue="1.1" pageId="27" pageNumber="28" unit="cm" value="11.0">11 cm</quantity>
high, arising from dense hydrorhiza firmly attached to a stone, bunching above into a
<quantity id="4CBA9B3AFF8A4D61FE2BFDF5FE15FDEA" box="[414,481,531,558]" metricMagnitude="-3" metricUnit="m" metricValue="2.0" pageId="27" pageNumber="28" unit="mm" value="2.0">2 mm</quantity>
thick hydrocaulus giving rise irregularly to many side branches, the proximal most given off in all directions around the stem, while the distalmost tend to be alternate; both stem and branches strongly fascicled, with woody appearance. Main cauline tube undivided, imperceptibly geniculate, composed of a succession of modules, each comprising a proximal apophysis (together with associated axillar hydrotheca atop its own apophysis) supporting a cladium, two alternate apophyses above (each bearing a hydrotheca), and a second apophysis (and its axillar hydrotheca mounted on its apophysis) arising on side opposite to its proximal counterpart; apophyses distant from one another, prominent, ending distally in transverse nodes; a pair of nematothecae on each side of an apophysis; apophyses of axillar hydrothecae usually devoid of nematothecae, exceptionally provided with an unpaired one. Auxiliary tubes of the stem running parallel to the main tube, branching, anastomosing, communicating with one another through large, ovoid pores in the perisarc; provided with scattered nematothecae. Cladia
<quantity id="4CBA9B3AFF8A4D61FF5DFC9DFECAFC52" box="[232,318,891,918]" metricMagnitude="-3" metricUnit="m" metricValue="8.5" pageId="27" pageNumber="28" unit="mm" value="8.5">8.5 mm</quantity>
long, monosiphonic, not divided by nodes, but composed of up to 16 long, collinear equivalents of internodes, each giving rise distally to a short, lateral apophysis supporting a hydrotheca; apophyses alternate, ending distally in transverse node, and bearing a pair of nematothecae, one on each side; longer cladia gain fasciculation and gradually transform into side branches, themselves branching again to form up to 4
<superScript id="7C379B97FF8A4D61FB9FFC01FBC3FC31" attach="left" box="[1066,1079,999,1013]" fontSize="6" pageId="27" pageNumber="28">th</superScript>
order branchlets; monosiphonic parts of some cladia provided with occasional nematothecae on the “internodes”. Hydrothecae all alike on stem, branches and cladia; alternate, the two rows coplanar; relatively short-pedicellate, pedicels either smooth-walled or with a proximal wrinkle, widening distally and merging imperceptibly into their corresponding hydrothecae; demarcation internal, as an obliquely-set diaphragm with central, rounded hydropore with upturned, internal edges; hydrothecae curved away from the internodes, especially noticeable in the lower third of their adaxial walls; abaxial walls almost straight; most of the distal parts of hydrothecae tubular, aperture slightly everted, rim even, circular, usually with many renovations. Hydranths badly-preserved, their tentacle number could not be counted. Nematothecae broadly tubular, somehow slightly swollen in middle, aperture distal, set transversely, very slightly everted, rim even, circular. A coppinia present on the colony fragment, encircling 3/4 of the outer surface of a stem (or well-developed branch);
<quantity id="4CBA9B3AFF8A4D61FE60FAA9FDE2FAAE" box="[469,534,1359,1386]" metricMagnitude="-3" metricUnit="m" metricValue="5.0" pageId="27" pageNumber="28" unit="mm" value="5.0">5 mm</quantity>
long and
<quantity id="4CBA9B3AFF8A4D61FD36FAA9FD2DFAAE" box="[643,729,1359,1386]" metricMagnitude="-3" metricUnit="m" metricValue="2.5" pageId="27" pageNumber="28" unit="mm" value="2.5">2.5 mm</quantity>
wide, composed of numerous, laterally-fused (for most of their length) gonothecae, polygonal in apical view, thick-walled, broadly vasiform in lateral aspect; distally, a short, free neck region with hood-like appearance, curved away at right angle and opening up into an ovoid aperture; flimsy nematophorous tubules arise between the gonothecae, their length barely surpassing that of the gonothecae; nematothecae similar to those of the trophosome; gonothecal content unassignable to a given sex.
</paragraph>
</subSubSection>
<subSubSection id="C3586554FF8A4D61FF72F9E5FAA8F86D" pageId="27" pageNumber="28" type="discussion">
<paragraph id="8BFD36DFFF8A4D61FF72F9E5FAE6F985" blockId="27.[151,1437,387,2034]" pageId="27" pageNumber="28">
<emphasis id="B936EACDFF8A4D61FF72F9E5FEC0F9D9" bold="true" box="[199,308,1539,1565]" pageId="27" pageNumber="28">Remarks</emphasis>
. The trophosome of
<taxonomicName id="4C424D5CFF8A4D61FDA9F9E2FD2DF9D9" authorityName="Vervoort &amp; Watson" authorityYear="2003" box="[540,729,1539,1565]" class="Hydrozoa" family="Zygophylacidae" genus="Zygophylax" kingdom="Animalia" order="Leptothecata" pageId="27" pageNumber="28" phylum="Cnidaria" rank="species" species="pseudafricana">
<emphasis id="B936EACDFF8A4D61FDA9F9E2FD2DF9D9" box="[540,729,1539,1565]" italics="true" pageId="27" pageNumber="28">Z. pseudafricana</emphasis>
</taxonomicName>
is indistinguishable from that of
<taxonomicName id="4C424D5CFF8A4D61FBFEF9E2FA68F9D9" authority="Hirohito, 1983" authorityName="Hirohito" authorityYear="1983" box="[1099,1436,1539,1565]" class="Hydrozoa" family="Zygophylacidae" genus="Zygophylax" kingdom="Animalia" order="Leptothecata" pageId="27" pageNumber="28" phylum="Cnidaria" rank="species" species="sagamiensis">
<emphasis id="B936EACDFF8A4D61FBFEF9E2FB05F9D9" box="[1099,1265,1540,1565]" italics="true" pageId="27" pageNumber="28">Z. sagamiensis</emphasis>
<bibRefCitation id="EFD34B2EFF8A4D61FB4DF9E5FA68F9D9" author="Hirohito &amp; Emperor of Showa" box="[1272,1436,1539,1565]" pageId="27" pageNumber="28" pagination="1 - 83" refId="ref23533" refString="Hirohito, Emperor of Showa. (1983) Hydroids from Izu Oshima and Niijima. Publications of the Biological Laboratory, Imperial Household, Tokyo, 6, 1 - 83." type="journal article" year="1983">Hirohito, 1983</bibRefCitation>
</taxonomicName>
(compare
<figureCitation id="13792A5AFF8A4D61FEBDF9C1FE9EF986" box="[264,362,1575,1602]" captionStart="FIGURE 15" captionStartId="28.[151,250,1224,1248]" captionTargetBox="[184,1411,181,1200]" captionTargetId="figure-32@28.[177,1411,181,1200]" captionTargetPageId="28" captionText="FIGURE 15. Zygophylax pseudafricana Vervoort &amp; Watson, 2003 (part). A. Apical part of a colony. BG. Cauline (B, C), axillar (D) and cladial (EG) hydrothecae. All from sample MNHN-IK-2015-2760. Scale bars: BG = 300 µm; A = 1 mm." figureDoi="http://doi.org/10.5281/zenodo.7381866" httpUri="https://zenodo.org/record/7381866/files/figure.png" pageId="27" pageNumber="28">Fig. 15A</figureCitation>
and
<figureCitation id="13792A5AFF8A4D61FE15F9C1FE20F985" box="[416,468,1575,1601]" captionStart="FIGURE 19" captionStartId="32.[151,250,1650,1674]" captionTargetBox="[151,1428,185,1626]" captionTargetId="figure-32@32.[151,1436,181,1626]" captionTargetPageId="32" captionText="FIGURE 19. Zygophylax sagamiensis Hirohito, 1983. A. Apical part of a colony. BD. Cauline (B), axillar (C) and cladial (D) hydrothecae. E. Nematotheca. F, G. Gonotheca in frontal (F) and lateral (G) views; note nematothecate tubuli in G. All from sample MNHN-IK-2019-2154. Scale bars: E = 100 µm; BD = 300 µm; F, G = 500 µm; A = 1 mm." figureDoi="http://doi.org/10.5281/zenodo.7381878" httpUri="https://zenodo.org/record/7381878/files/figure.png" pageId="27" pageNumber="28">19A</figureCitation>
), but their respective gonothecae are distinct (compare
<figureCitation id="13792A5AFF8A4D61FB8AF9C1FB54F985" box="[1087,1184,1575,1601]" captionStart="FIGURE 16" captionStartId="28.[151,250,1940,1964]" captionTargetBox="[180,1411,1309,1916]" captionTargetId="figure-74@28.[177,1411,1309,1916]" captionTargetPageId="28" captionText="FIGURE 16. Zygophylax pseudafricana Vervoort &amp; Watson, 2003 (continued). AC. Nematothecae associated to the axillar (A) and cladial (B, C) hydrothecae, occurring either singly (A, B) or in pairs (C). D, E. Portion of coppinia seen apically (D) and in cross-section (E), showing fused gonothecae. Scale bars: AC = 100 µm; D, E = 500 µm." figureDoi="http://doi.org/10.5281/zenodo.7381868" httpUri="https://zenodo.org/record/7381868/files/figure.png" pageId="27" pageNumber="28">Fig. 16E</figureCitation>
and
<figureCitation id="13792A5AFF8A4D61FB63F9C1FAF1F985" box="[1238,1285,1575,1601]" captionStart="FIGURE 19" captionStartId="32.[151,250,1650,1674]" captionTargetBox="[151,1428,185,1626]" captionTargetId="figure-32@32.[151,1436,181,1626]" captionTargetPageId="32" captionText="FIGURE 19. Zygophylax sagamiensis Hirohito, 1983. A. Apical part of a colony. BD. Cauline (B), axillar (C) and cladial (D) hydrothecae. E. Nematotheca. F, G. Gonotheca in frontal (F) and lateral (G) views; note nematothecate tubuli in G. All from sample MNHN-IK-2019-2154. Scale bars: E = 100 µm; BD = 300 µm; F, G = 500 µm; A = 1 mm." figureDoi="http://doi.org/10.5281/zenodo.7381878" httpUri="https://zenodo.org/record/7381878/files/figure.png" pageId="27" pageNumber="28">19F</figureCitation>
).
</paragraph>
<paragraph id="8BFD36DFFF8A4D61FF72F9ADFDD1F8A5" blockId="27.[151,1437,387,2034]" pageId="27" pageNumber="28">
The New Caledonian
<taxonomicName id="4C424D5CFF8A4D61FE0BF9AAFCD5F9A1" authority="Pena Cantero, 2020" authorityName="Pena Cantero" authorityYear="2020" box="[446,801,1611,1638]" class="Hydrozoa" family="Zygophylacidae" genus="Zygophylax" kingdom="Animalia" order="Leptothecata" pageId="27" pageNumber="28" phylum="Cnidaria" rank="species" species="dispersa">
<emphasis id="B936EACDFF8A4D61FE0BF9AAFDC8F9A1" box="[446,572,1611,1637]" italics="true" pageId="27" pageNumber="28">Z. dispersa</emphasis>
<bibRefCitation id="EFD34B2EFF8A4D61FDF6F9AAFCD5F9A1" author="Pena Cantero, A. L." box="[579,801,1611,1638]" pageId="27" pageNumber="28" pagination="389 - 404" refId="ref24646" refString="Pena Cantero, A. L. (2020) On six new species of Zygophylax Quelch, 1885 (Cnidaria, Hydrozoa, Zygophylacidae) from the New Caledonian region. Zootaxa, 4822 (3), 389 - 404. https: // doi. org / 10.11646 / zootaxa. 4822.3.4" type="journal article" year="2020">Peña Cantero, 2020</bibRefCitation>
</taxonomicName>
displays the same morphological features as the present species, with which it was not compared in the original account. Its hydrothecae (250350 µm long and 85100 µm wide at aperture) are only slightly larger compared to the measurements given by
<bibRefCitation id="EFD34B2EFF8A4D61FB96F972FA81F969" author="Vervoort, W. &amp; Watson, J. E." box="[1059,1397,1683,1710]" pageId="27" pageNumber="28" pagination="1 - 538" refId="ref25310" refString="Vervoort, W. &amp; Watson, J. E. (2003) The marine fauna of New Zealand: Leptothecata (Cnidaria: Hydrozoa) (thecate hydroids). NIWA Biodiversity Memoir, 119, 1 - 538." type="journal article" year="2003">Vervoort &amp; Watson (2003: 78)</bibRefCitation>
for the
<typeStatus id="54F9887DFF8A4D61FF75F951FED6F915" box="[192,290,1719,1745]" pageId="27" pageNumber="28" type="holotype">holotype</typeStatus>
slide #2882 of their nominal species (250275 µm long and 6275 µm wide at aperture). Similarly, its gonothecae (550560 µm long and 200300 µm wide) exceed the size of those measured in
<taxonomicName id="4C424D5CFF8A4D61FB22F93AFAA0F931" authorityName="Vervoort &amp; Watson" authorityYear="2003" box="[1175,1364,1755,1781]" class="Hydrozoa" family="Zygophylacidae" genus="Zygophylax" kingdom="Animalia" order="Leptothecata" pageId="27" pageNumber="28" phylum="Cnidaria" rank="species" species="pseudafricana">
<emphasis id="B936EACDFF8A4D61FB22F93AFAA0F931" box="[1175,1364,1755,1781]" italics="true" pageId="27" pageNumber="28">Z. pseudafricana</emphasis>
</taxonomicName>
(440 450 µm long and 125150 µm wide). Nevertheless, it should be acknowledged that a certain degree of shrinkage, notably depending on the perisarc thickness, occurs when preparing permanent mounts, hence explaining their comparatively reduced dimensions.
</paragraph>
<paragraph id="8BFD36DFFF8A4D61FF72F88DFAA8F86D" blockId="27.[151,1437,387,2034]" pageId="27" pageNumber="28">
<bibRefCitation id="EFD34B2EFF8A4D61FF72F88DFE5AF841" author="Campos, F. F." box="[199,430,1899,1925]" pageId="27" pageNumber="28" refId="ref22573" refString="Campos, F. F. (2017) Revisao taxonomica do genero Zygophylax Quelch, 1885 (Cnidaria: Hydrozoa: Lafoeidae). Universidade Federal de Pernambuco, Recife, 217 pp." type="book" year="2017">Campos (2017: 147)</bibRefCitation>
reported on 350 µm long and 80 µm wide (at aperture) hydrothecae in a liquid-preserved specimen, while the present New Caledonian material has the largest thecae documented so far (see
<tableCitation id="C6C00364FF8A4D61FB4CF869FABAF86D" box="[1273,1358,1935,1961]" captionStart="TABLE 6" captionStartId="25.[151,239,151,175]" captionTargetPageId="25" captionText="TABLE 6. Measurements (in µm) of some species of Zygophylax." httpUri="http://table.plazi.org/id/DF3D6657FF884D63FF22FF71FCAFFF6B" pageId="27" pageNumber="28" tableUuid="DF3D6657FF884D63FF22FF71FCAFFF6B">Table 6</tableCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="C3586554FF8A4D61FF72F855FCBFF835" pageId="27" pageNumber="28" type="distribution">
<paragraph id="8BFD36DFFF8A4D61FF72F855FCBFF835" blockId="27.[151,1437,387,2034]" pageId="27" pageNumber="28">
<emphasis id="B936EACDFF8A4D61FF72F855FEADF809" bold="true" box="[199,345,1971,1997]" pageId="27" pageNumber="28">Distribution</emphasis>
. Between
<collectingRegion id="4986F83DFF8A4D61FE65F855FDC9F809" box="[464,573,1971,1997]" country="New Zealand" name="Auckland" pageId="27" pageNumber="28">Auckland</collectingRegion>
Islands and the South Island,
<collectingCountry id="F355764FFF8A4D61FC25F852FBD2F809" box="[912,1062,1971,1998]" name="New Zealand" pageId="27" pageNumber="28">New Zealand</collectingCountry>
(
<bibRefCitation id="EFD34B2EFF8A4D61FB80F855FAA0F809" author="Vervoort, W. &amp; Watson, J. E." box="[1077,1364,1971,1998]" pageId="27" pageNumber="28" pagination="1 - 538" refId="ref25310" refString="Vervoort, W. &amp; Watson, J. E. (2003) The marine fauna of New Zealand: Leptothecata (Cnidaria: Hydrozoa) (thecate hydroids). NIWA Biodiversity Memoir, 119, 1 - 538." type="journal article" year="2003">Vervoort &amp; Watson 2003</bibRefCitation>
),
<collectingCountry id="F355764FFF8A4D61FAD2F852FEFDF835" name="New Caledonia" pageId="27" pageNumber="28">New Caledonia</collectingCountry>
(
<bibRefCitation id="EFD34B2EFF8A4D61FEA2F831FE05F835" author="Pena Cantero, A. L." box="[279,497,2007,2033]" pageId="27" pageNumber="28" pagination="389 - 404" refId="ref24646" refString="Pena Cantero, A. L. (2020) On six new species of Zygophylax Quelch, 1885 (Cnidaria, Hydrozoa, Zygophylacidae) from the New Caledonian region. Zootaxa, 4822 (3), 389 - 404. https: // doi. org / 10.11646 / zootaxa. 4822.3.4" type="journal article" year="2020">Peña Cantero 2020</bibRefCitation>
, as
<taxonomicName id="4C424D5CFF8A4D61FDAFF83EFD63F835" authorityName="Pena Cantero" authorityYear="2020" box="[538,663,2007,2033]" class="Hydrozoa" family="Zygophylacidae" genus="Zygophylax" kingdom="Animalia" order="Leptothecata" pageId="27" pageNumber="28" phylum="Cnidaria" rank="species" species="dispersa">
<emphasis id="B936EACDFF8A4D61FDAFF83EFD63F835" box="[538,663,2007,2033]" italics="true" pageId="27" pageNumber="28">Z. dispersa</emphasis>
</taxonomicName>
; present study).
</paragraph>
</subSubSection>
</treatment>
</document>