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<document id="F4C130839B69CB56CA78DC0874533AAE" ID-CLB-Dataset="21896" ID-DOI="10.5852/ejt.2016.218" ID-GBIF-Dataset="cba502b0-cc06-4252-94f1-3eda754e8183" ID-ISSN="2118-9773" ID-Zenodo-Dep="3840195" ID-ZooBank="A4D7AA38-D18F-4604-A5E0-D965637BD9F8" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1590167245613" checkinUser="valdenar" docAuthor="Galea, Horia R." docDate="2016" docId="3D2E87D5F81DFF95FDA6FC90FD54F80F" docLanguage="en" docName="ejt-2016-218.pdf.imf" docOrigin="European Journal of Taxonomy 218" docStyle="DocumentStyle:EF2B578F1D15862ADE45B0C07C620911.14:EJT.2018-.journal_article.type1" docStyleId="EF2B578F1D15862ADE45B0C07C620911" docStyleName="EJT.2018-.journal_article.type1" docStyleVersion="14" docTitle="Gonaxia similis Vervoort 1993" docType="treatment" docVersion="7" lastPageNumber="20" masterDocId="C117FFADF80EFF86FFE1FFFEFFBDFF8A" masterDocTitle="Notes on some sertulariid hydroids (Cnidaria: Hydrozoa) from the tropical western Pacific, with descriptions of nine new species" masterLastPageNumber="52" masterPageNumber="1" pageNumber="20" updateTime="1698841043202" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-3.0" zenodo-license-figures="CC-BY-3.0" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="D6A0AC5D804A9F8EE9833E317299F6AB">Notes on some sertulariid hydroids (Cnidaria: Hydrozoa) from the tropical western Pacific, with descriptions of nine new species</mods:title>
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<treatment id="3D2E87D5F81DFF95FDA6FC90FD54F80F" ID-DOI="http://doi.org/10.5281/zenodo.3853781" ID-GBIF-Taxon="164252486" ID-Zenodo-Dep="3853781" LSID="urn:lsid:plazi:treatment:3D2E87D5F81DFF95FDA6FC90FD54F80F" httpUri="http://treatment.plazi.org/id/3D2E87D5F81DFF95FDA6FC90FD54F80F" lastPageNumber="20" pageId="19" pageNumber="20">
<subSubSection id="FD9D6548F81DFF95FDA6FC90FC50FC02" box="[583,1005,878,905]" pageId="19" pageNumber="20" type="nomenclature">
<paragraph id="B53836C3F81DFF95FDA6FC90FC50FC02" blockId="19.[583,1005,878,940]" box="[583,1005,878,905]" pageId="19" pageNumber="20">
<heading id="EE7081AFF81DFF95FDA6FC90FC50FC02" box="[583,1005,878,905]" centered="true" fontSize="11" level="2" pageId="19" pageNumber="20" reason="2">
<taxonomicName id="72874D40F81DFF95FDA6FC90FC50FC02" authority="Vervoort" authorityName="Vervoort" authorityYear="1993" box="[583,1005,878,905]" class="Hydrozoa" family="Sertulariidae" genus="Gonaxia" kingdom="Animalia" order="Leptothecata" pageId="19" pageNumber="20" phylum="Cnidaria" rank="species" species="similis">
<emphasis id="87F3EAD1F81DFF95FDA6FC90FC88FC03" bold="true" box="[583,821,878,905]" pageId="19" pageNumber="20">
<emphasis id="87F3EAD1F81DFF95FDA6FC90FD12FC02" bold="true" box="[583,687,878,904]" italics="true" pageId="19" pageNumber="20">Gonaxia</emphasis>
aff.
<emphasis id="87F3EAD1F81DFF95FD06FC90FC88FC03" bold="true" box="[743,821,878,905]" italics="true" pageId="19" pageNumber="20">similis</emphasis>
</emphasis>
<bibRefCitation id="D1164B32F81DFF95FCDCFC91FC50FC02" author="Vervoort W." box="[829,1005,878,905]" pageId="19" pageNumber="20" pagination="89 - 298" refId="ref27098" refString="Vervoort W. 1993. Cnidaria, Hydrozoa, Hydroida: Hydroids from the western Pacific (Philippines, Indonesia and New Caledonia) I. Sertulariidae (Part 1). In: Crosnier A. (ed.) Resultats des Campagnes MUSORSTOM 11. Memoires du Museum national d'Histoire naturelle 158: 89 - 298, Museum national d'Histoire naturelle, Paris." type="journal article" year="1993">Vervoort, 1993</bibRefCitation>
</taxonomicName>
</heading>
</paragraph>
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<subSubSection id="FD9D6548F81DFF95FD23FC6FFCCCFC21" box="[706,881,913,940]" pageId="19" pageNumber="20" type="description">
<paragraph id="B53836C3F81DFF95FD23FC6FFCCCFC21" blockId="19.[583,1005,878,940]" box="[706,881,913,940]" pageId="19" pageNumber="20">
<figureCitation id="2DBC2A46F81DFF95FD23FC6FFC9FFC26" box="[706,802,913,940]" captionStart="Fig" captionStartId="16.[189,232,1824,1850]" captionTargetBox="[192,1394,295,1782]" captionTargetId="figure@16.[189,1398,295,1782]" captionTargetPageId="16" captionText="Fig. 5. ― A–B. Gonaxia nova sp. nov. (MUSORSTOM 8, Stn. CP1083). A. Distalmost, monosiphonic part of a colony. B. Portion of stem with basal part of a cladium. ― C–G. Gonaxia scalariformis Vervoort, 1993, portions of stems and basal parts of cladia from BIOCAL, Stn. DW46 (C = colony #1; D = colony #2; E = colony #3), Stn. DW66 (F), and NORFOLK 1, Stn. DW1699 (G), showing discrete differences in shape and size. ― H. Gonaxia aff. similis Vervoort, 1993 (MUSORSTOM 6, Stn. DW423), portion of stem with cladium. Scale bars: A = 1 mm; B–H = 500 µm." figureDoi="http://doi.org/10.5281/zenodo.3840205" httpUri="https://zenodo.org/record/3840205/files/figure.png" pageId="19" pageNumber="20">Figs 5H</figureCitation>
,
<figureCitation id="2DBC2A46F81DFF95FCCFFC6FFC81FC21" box="[814,828,913,939]" captionStart="Fig" captionStartId="18.[189,232,1613,1639]" captionText="Fig. 6. (previous page) ― A–E. Gonaxia nova sp. nov. (MUSORSTOM 8, Stn. CP1083). A. Axillar hydrotheca. B. Caulinar hydrotheca. C. Cladial hydrotheca. D. Female gonothecae, lateral view. E. Male gonotheca, slightly oblique view. ― F–R. Gonaxia scalariformis Vervoort, 1993. F. Axillar hydrotheca (BIOCAL, Stn. DW46, colony #1). G. Cladial hydrotheca (BIOCAL, Stn. DW46, colony #1). H. Caulinar and axillar hydrothecae (BIOCAL, Stn. DW66). I–M. Normal gonothecae from BIOCAL, Stn. DW46 (I = colony #1; J–K = colony #2; L–M = colony #3). N–O. Abortive gonotheca from BIOCAL, Stn. DW66. P–R. Normal gonothecae from BIOCAL, Stn. CP69 (P) and NORFOLK 1, Stn. DW1699 (Q– R). ― S–X. Gonaxia aff. similis Vervoort, 1993 (MUSORSTOM 6, Stn. DW423). S. Cauline hydrotheca. T. Axillar hydrotheca. U. Cladial hydrotheca. V. Lateral view of a hydrotheca, showing diverticulum. W. Same hydrotheca viewed from above, showing minute foramen for the passage of coenosarc, and lateral diverticuli. X. Same hydrotheca in apical view, showing lateral diverticuli and basal foramen. Scale bars: A–C, F–H, S–U = 300 µm; D–E, I–R = 1 mm; V–X = 200 µm." pageId="19" pageNumber="20">6</figureCitation>
S–X
</paragraph>
</subSubSection>
<subSubSection id="FD9D6548F81DFF95FF5CFC2DFC2CFC67" box="[189,913,979,1005]" pageId="19" pageNumber="20" type="reference_group">
<paragraph id="B53836C3F81DFF95FF5CFC2DFC2CFC67" blockId="19.[189,913,979,1005]" box="[189,913,979,1005]" pageId="19" pageNumber="20">
<treatmentCitationGroup id="959711EDF81DFF95FF5CFC2DFC2CFC67" box="[189,913,979,1005]" pageId="19" pageNumber="20">
<treatmentCitation id="342610D2F81DFF95FF5CFC2DFDD6FC67" author="Vervoort W." box="[189,619,979,1005]" page="174" pageId="19" pageNumber="20" year="1993">
<taxonomicName id="72874D40F81DFF95FF5CFC2DFDD6FC67" authority="Vervoort" authorityName="Vervoort" authorityPageNumber="174" authorityYear="1993" box="[189,619,979,1005]" class="Hydrozoa" family="Sertulariidae" genus="Gonaxia" kingdom="Animalia" order="Leptothecata" pageId="19" pageNumber="20" phylum="Cnidaria" rank="species" species="similis">
<emphasis id="87F3EAD1F81DFF95FF5CFC2DFECBFC67" box="[189,374,979,1005]" italics="true" pageId="19" pageNumber="20">Gonaxia similis</emphasis>
<bibRefCitation id="D1164B32F81DFF95FE9CFC2DFDD6FC67" author="Vervoort W." box="[381,619,979,1005]" pageId="19" pageNumber="20" pagination="89 - 298" refId="ref27098" refString="Vervoort W. 1993. Cnidaria, Hydrozoa, Hydroida: Hydroids from the western Pacific (Philippines, Indonesia and New Caledonia) I. Sertulariidae (Part 1). In: Crosnier A. (ed.) Resultats des Campagnes MUSORSTOM 11. Memoires du Museum national d'Histoire naturelle 158: 89 - 298, Museum national d'Histoire naturelle, Paris." type="journal article" year="1993">Vervoort, 1993: 174</bibRefCitation>
</taxonomicName>
</treatmentCitation>
, figs 33e–f, 34, 36a, 39a.
</treatmentCitationGroup>
</paragraph>
</subSubSection>
<subSubSection id="FD9D6548F81DFF95FF5CFBEAFB7AFBD7" pageId="19" pageNumber="20" type="materials_examined">
<paragraph id="B53836C3F81DFF95FF5CFBEAFE17FBA4" blockId="19.[189,426,1044,1070]" box="[189,426,1044,1070]" pageId="19" pageNumber="20">
<heading id="EE7081AFF81DFF95FF5CFBEAFE17FBA4" bold="true" box="[189,426,1044,1070]" fontSize="11" level="3" pageId="19" pageNumber="20" reason="3">
<emphasis id="87F3EAD1F81DFF95FF5CFBEAFE17FBA4" bold="true" box="[189,426,1044,1070]" pageId="19" pageNumber="20">Material examined</emphasis>
</heading>
</paragraph>
<paragraph id="B53836C3F81DFF95FF5CFBBDFB7AFBD7" blockId="19.[189,1223,1090,1117]" box="[189,1223,1090,1117]" pageId="19" pageNumber="20">
MUSORSTOM 6: Stn. DW423, a
<quantity id="727F9B26F81DFF95FDB0FBBDFD1CFBD7" box="[593,673,1091,1117]" metricMagnitude="-2" metricUnit="m" metricValue="2.7" pageId="19" pageNumber="20" unit="cm" value="2.7">2.7 cm</quantity>
high, sterile colony (MNHN-IK-2012-16545).
</paragraph>
</subSubSection>
<subSubSection id="FD9D6548F81DFF95FF5CFB7AFD54F80F" pageId="19" pageNumber="20" type="discussion">
<paragraph id="B53836C3F81DFF95FF5CFB7AFE92FB14" blockId="19.[189,303,1156,1182]" box="[189,303,1156,1182]" pageId="19" pageNumber="20">
<heading id="EE7081AFF81DFF95FF5CFB7AFE92FB14" bold="true" box="[189,303,1156,1182]" fontSize="11" level="3" pageId="19" pageNumber="20" reason="3">
<emphasis id="87F3EAD1F81DFF95FF5CFB7AFE92FB14" bold="true" box="[189,303,1156,1182]" pageId="19" pageNumber="20">Remarks</emphasis>
</heading>
</paragraph>
<paragraph id="B53836C3F81DFF95FF5CFB4DFD18FB7A" blockId="19.[189,1398,1202,1264]" pageId="19" pageNumber="20">
The present specimen is likely part of the material in RMNH-Coel. 25839 (also from MUSORSTOM 6, Stn. DW423) studied by
<bibRefCitation id="D1164B32F81DFF95FE00FB28FD1CFB7A" author="Vervoort W." box="[481,673,1238,1264]" pageId="19" pageNumber="20" pagination="89 - 298" refId="ref27098" refString="Vervoort W. 1993. Cnidaria, Hydrozoa, Hydroida: Hydroids from the western Pacific (Philippines, Indonesia and New Caledonia) I. Sertulariidae (Part 1). In: Crosnier A. (ed.) Resultats des Campagnes MUSORSTOM 11. Memoires du Museum national d'Histoire naturelle 158: 89 - 298, Museum national d'Histoire naturelle, Paris." type="journal article" year="1993">Vervoort (1993)</bibRefCitation>
.
</paragraph>
<paragraph id="B53836C3F81DFF95FF5CFAE9FCB7FAF2" blockId="19.[189,1399,1303,1400]" pageId="19" pageNumber="20">
According to Vervoort, his material had gonothecae adnate to the stem (p. 174, fig. 34c), not arranged perpendicularly to it, as in the majority of samples assigned by him to
<taxonomicName id="72874D40F81DFF95FBFCFAC5FB2DFADF" authorityName="Vervoort" authorityYear="1993" box="[1053,1168,1339,1365]" class="Hydrozoa" family="Sertulariidae" genus="Gonaxia" kingdom="Animalia" order="Leptothecata" pageId="19" pageNumber="20" phylum="Cnidaria" rank="species" species="similis">
<emphasis id="87F3EAD1F81DFF95FBFCFAC5FB2DFADF" box="[1053,1168,1339,1365]" italics="true" pageId="19" pageNumber="20">G. similis</emphasis>
</taxonomicName>
. Consequently, the material in hand may belong to a separate species.
</paragraph>
<paragraph id="B53836C3F81DFF95FF5CFA61FACAFA56" blockId="19.[189,1399,1439,1501]" pageId="19" pageNumber="20">One hydrocladium in the present specimen is branched, and the secondary cladium is borne on a short, quadrangular apophysis originating from below the hydrothecal base of the first internode of a cladium.</paragraph>
<paragraph id="B53836C3F81DFF95FF5CF9FAFD86F89E" blockId="19.[189,1399,1540,1812]" pageId="19" pageNumber="20">
Not mentioned by Vervoort in his sample RMNH-Coel. 25839 is the constant presence of well-developed antero-posterior diverticuli within the hydrothecae (
<figureCitation id="2DBC2A46F81DFF95FCF5F9D9FCC8F9C8" box="[788,885,1575,1602]" captionStart="Fig" captionStartId="16.[189,232,1824,1850]" captionTargetBox="[192,1394,295,1782]" captionTargetId="figure@16.[189,1398,295,1782]" captionTargetPageId="16" captionText="Fig. 5. ― A–B. Gonaxia nova sp. nov. (MUSORSTOM 8, Stn. CP1083). A. Distalmost, monosiphonic part of a colony. B. Portion of stem with basal part of a cladium. ― C–G. Gonaxia scalariformis Vervoort, 1993, portions of stems and basal parts of cladia from BIOCAL, Stn. DW46 (C = colony #1; D = colony #2; E = colony #3), Stn. DW66 (F), and NORFOLK 1, Stn. DW1699 (G), showing discrete differences in shape and size. ― H. Gonaxia aff. similis Vervoort, 1993 (MUSORSTOM 6, Stn. DW423), portion of stem with cladium. Scale bars: A = 1 mm; B–H = 500 µm." figureDoi="http://doi.org/10.5281/zenodo.3840205" httpUri="https://zenodo.org/record/3840205/files/figure.png" pageId="19" pageNumber="20">Figs 5H</figureCitation>
,
<figureCitation id="2DBC2A46F81DFF95FC9EF9D9FC33F9C8" box="[895,910,1575,1602]" captionStart="Fig" captionStartId="18.[189,232,1613,1639]" captionText="Fig. 6. (previous page) ― A–E. Gonaxia nova sp. nov. (MUSORSTOM 8, Stn. CP1083). A. Axillar hydrotheca. B. Caulinar hydrotheca. C. Cladial hydrotheca. D. Female gonothecae, lateral view. E. Male gonotheca, slightly oblique view. ― F–R. Gonaxia scalariformis Vervoort, 1993. F. Axillar hydrotheca (BIOCAL, Stn. DW46, colony #1). G. Cladial hydrotheca (BIOCAL, Stn. DW46, colony #1). H. Caulinar and axillar hydrothecae (BIOCAL, Stn. DW66). I–M. Normal gonothecae from BIOCAL, Stn. DW46 (I = colony #1; J–K = colony #2; L–M = colony #3). N–O. Abortive gonotheca from BIOCAL, Stn. DW66. P–R. Normal gonothecae from BIOCAL, Stn. CP69 (P) and NORFOLK 1, Stn. DW1699 (Q– R). ― S–X. Gonaxia aff. similis Vervoort, 1993 (MUSORSTOM 6, Stn. DW423). S. Cauline hydrotheca. T. Axillar hydrotheca. U. Cladial hydrotheca. V. Lateral view of a hydrotheca, showing diverticulum. W. Same hydrotheca viewed from above, showing minute foramen for the passage of coenosarc, and lateral diverticuli. X. Same hydrotheca in apical view, showing lateral diverticuli and basal foramen. Scale bars: A–C, F–H, S–U = 300 µm; D–E, I–R = 1 mm; V–X = 200 µm." pageId="19" pageNumber="20">6</figureCitation>
S–V). Such variably developed diverticuli also occur in other congeners discussed herein,
<emphasis id="87F3EAD1F81DFF95FD08F9B5FC72F9EE" box="[745,975,1610,1637]" italics="true" pageId="19" pageNumber="20">
viz.
<taxonomicName id="72874D40F81DFF95FCF9F9B5FC72F9EE" authorityName="Vervoort" authorityYear="1993" box="[792,975,1610,1637]" class="Hydrozoa" family="Sertulariidae" genus="Gonaxia" kingdom="Animalia" order="Leptothecata" pageId="19" pageNumber="20" phylum="Cnidaria" rank="species" species="amphorifera">G. amphorifera</taxonomicName>
</emphasis>
(
<figureCitation id="2DBC2A46F81DFF95FC3FF9B4FB81F9EE" box="[990,1084,1610,1636]" captionStart="Fig" captionStartId="9.[189,232,1649,1675]" captionTargetBox="[189,1394,480,1605]" captionTargetId="figure@9.[189,1398,480,1605]" captionTargetPageId="9" captionText="Fig. 3. ― A–B. Gonaxia amphorifera Vervoort, 1993 (SMIB6, Stn. DW127). A. Two successive cladial internodes with their hydrothecae. B. Portion of stem with male gonothecae. ― C–D. Gonaxia ampullacea Vervoort, 1993 (BATHUS 4, Stn. DW914). C. Two successive cladial internodes with their hydrothecae. D. Portion of stem with male gonothecae. ― E–F. Gonaxia compacta Vervoort, 1993 (BATHUS 4, Stn. DW923). E. Two successive cladial internodes with their hydrothecae. F. Abortive gonotheca (of undetermined sex) originating from within a hydrotheca. ― G–K. Gonaxia intermedia Vervoort, 1993 (BATHUS 4). G. Two successive cladial internodes with their hydrothecae (Stn. CP906). H. Portion of stem with male gonothecae (Stn. CP906). I. Portion of stem with female gonothecae (Stn. CP906). J–K. Abortive gonothecae arising from hydrothecal lumina (Stn. DW902). ― L–N. Gonaxia sinuosa Vervoort, 1993 (SMIB 4, DW40). L. Two successive cladial internodes with their hydrothecae. M–N. Two female gonothecae. Scale bars: A, C, E, G, L = 300 µm; B, D, F, H–K, M–N = 1 mm." figureDoi="http://doi.org/10.5281/zenodo.3840201" httpUri="https://zenodo.org/record/3840201/files/figure.png" pageId="19" pageNumber="20">Fig. 3A</figureCitation>
),
<taxonomicName id="72874D40F81DFF95FBB1F9B5FB40F9EE" authorityName="Vervoort" authorityYear="1993" box="[1104,1277,1610,1637]" class="Hydrozoa" family="Sertulariidae" genus="Gonaxia" kingdom="Animalia" order="Leptothecata" pageId="19" pageNumber="20" phylum="Cnidaria" rank="species" species="ampullacea">
<emphasis id="87F3EAD1F81DFF95FBB1F9B5FB40F9EE" box="[1104,1277,1610,1637]" italics="true" pageId="19" pageNumber="20">G. ampullacea</emphasis>
</taxonomicName>
(
<figureCitation id="2DBC2A46F81DFF95FAECF9B4FADAF9EE" box="[1293,1383,1610,1636]" captionStart="Fig" captionStartId="9.[189,232,1649,1675]" captionTargetBox="[189,1394,480,1605]" captionTargetId="figure@9.[189,1398,480,1605]" captionTargetPageId="9" captionText="Fig. 3. ― A–B. Gonaxia amphorifera Vervoort, 1993 (SMIB6, Stn. DW127). A. Two successive cladial internodes with their hydrothecae. B. Portion of stem with male gonothecae. ― C–D. Gonaxia ampullacea Vervoort, 1993 (BATHUS 4, Stn. DW914). C. Two successive cladial internodes with their hydrothecae. D. Portion of stem with male gonothecae. ― E–F. Gonaxia compacta Vervoort, 1993 (BATHUS 4, Stn. DW923). E. Two successive cladial internodes with their hydrothecae. F. Abortive gonotheca (of undetermined sex) originating from within a hydrotheca. ― G–K. Gonaxia intermedia Vervoort, 1993 (BATHUS 4). G. Two successive cladial internodes with their hydrothecae (Stn. CP906). H. Portion of stem with male gonothecae (Stn. CP906). I. Portion of stem with female gonothecae (Stn. CP906). J–K. Abortive gonothecae arising from hydrothecal lumina (Stn. DW902). ― L–N. Gonaxia sinuosa Vervoort, 1993 (SMIB 4, DW40). L. Two successive cladial internodes with their hydrothecae. M–N. Two female gonothecae. Scale bars: A, C, E, G, L = 300 µm; B, D, F, H–K, M–N = 1 mm." figureDoi="http://doi.org/10.5281/zenodo.3840201" httpUri="https://zenodo.org/record/3840201/files/figure.png" pageId="19" pageNumber="20">Fig. 3C</figureCitation>
), and
<taxonomicName id="72874D40F81DFF95FF11F990FE0CF90D" authorityName="Vervoort" authorityYear="1993" box="[240,433,1645,1672]" class="Hydrozoa" family="Sertulariidae" genus="Gonaxia" kingdom="Animalia" order="Leptothecata" pageId="19" pageNumber="20" phylum="Cnidaria" rank="species" species="scalariformis">
<emphasis id="87F3EAD1F81DFF95FF11F990FE0CF90D" box="[240,433,1645,1672]" italics="true" pageId="19" pageNumber="20">G. scalariformis</emphasis>
</taxonomicName>
(
<figureCitation id="2DBC2A46F81DFF95FE23F993FDA0F902" box="[450,541,1645,1672]" captionStart="Fig" captionStartId="16.[189,232,1824,1850]" captionTargetBox="[192,1394,295,1782]" captionTargetId="figure@16.[189,1398,295,1782]" captionTargetPageId="16" captionText="Fig. 5. ― A–B. Gonaxia nova sp. nov. (MUSORSTOM 8, Stn. CP1083). A. Distalmost, monosiphonic part of a colony. B. Portion of stem with basal part of a cladium. ― C–G. Gonaxia scalariformis Vervoort, 1993, portions of stems and basal parts of cladia from BIOCAL, Stn. DW46 (C = colony #1; D = colony #2; E = colony #3), Stn. DW66 (F), and NORFOLK 1, Stn. DW1699 (G), showing discrete differences in shape and size. ― H. Gonaxia aff. similis Vervoort, 1993 (MUSORSTOM 6, Stn. DW423), portion of stem with cladium. Scale bars: A = 1 mm; B–H = 500 µm." figureDoi="http://doi.org/10.5281/zenodo.3840205" httpUri="https://zenodo.org/record/3840205/files/figure.png" pageId="19" pageNumber="20">Fig. 5F</figureCitation>
). In the present material, their development is considerable, and extends well on each lateral side of the hydrotheca. A frontal view of the free adaxial wall of the hydrotheca (
<figureCitation id="2DBC2A46F81DFF95FF27F94AFE97F945" box="[198,298,1716,1743]" captionStart="Fig" captionStartId="18.[189,232,1613,1639]" captionText="Fig. 6. (previous page) ― A–E. Gonaxia nova sp. nov. (MUSORSTOM 8, Stn. CP1083). A. Axillar hydrotheca. B. Caulinar hydrotheca. C. Cladial hydrotheca. D. Female gonothecae, lateral view. E. Male gonotheca, slightly oblique view. ― F–R. Gonaxia scalariformis Vervoort, 1993. F. Axillar hydrotheca (BIOCAL, Stn. DW46, colony #1). G. Cladial hydrotheca (BIOCAL, Stn. DW46, colony #1). H. Caulinar and axillar hydrothecae (BIOCAL, Stn. DW66). I–M. Normal gonothecae from BIOCAL, Stn. DW46 (I = colony #1; J–K = colony #2; L–M = colony #3). N–O. Abortive gonotheca from BIOCAL, Stn. DW66. P–R. Normal gonothecae from BIOCAL, Stn. CP69 (P) and NORFOLK 1, Stn. DW1699 (Q– R). ― S–X. Gonaxia aff. similis Vervoort, 1993 (MUSORSTOM 6, Stn. DW423). S. Cauline hydrotheca. T. Axillar hydrotheca. U. Cladial hydrotheca. V. Lateral view of a hydrotheca, showing diverticulum. W. Same hydrotheca viewed from above, showing minute foramen for the passage of coenosarc, and lateral diverticuli. X. Same hydrotheca in apical view, showing lateral diverticuli and basal foramen. Scale bars: A–C, F–H, S–U = 300 µm; D–E, I–R = 1 mm; V–X = 200 µm." pageId="19" pageNumber="20">Fig. 6W</figureCitation>
), and a frontal view of the aperture (
<figureCitation id="2DBC2A46F81DFF95FD34F94AFC8CF945" box="[725,817,1716,1743]" captionStart="Fig" captionStartId="18.[189,232,1613,1639]" captionText="Fig. 6. (previous page) ― A–E. Gonaxia nova sp. nov. (MUSORSTOM 8, Stn. CP1083). A. Axillar hydrotheca. B. Caulinar hydrotheca. C. Cladial hydrotheca. D. Female gonothecae, lateral view. E. Male gonotheca, slightly oblique view. ― F–R. Gonaxia scalariformis Vervoort, 1993. F. Axillar hydrotheca (BIOCAL, Stn. DW46, colony #1). G. Cladial hydrotheca (BIOCAL, Stn. DW46, colony #1). H. Caulinar and axillar hydrothecae (BIOCAL, Stn. DW66). I–M. Normal gonothecae from BIOCAL, Stn. DW46 (I = colony #1; J–K = colony #2; L–M = colony #3). N–O. Abortive gonotheca from BIOCAL, Stn. DW66. P–R. Normal gonothecae from BIOCAL, Stn. CP69 (P) and NORFOLK 1, Stn. DW1699 (Q– R). ― S–X. Gonaxia aff. similis Vervoort, 1993 (MUSORSTOM 6, Stn. DW423). S. Cauline hydrotheca. T. Axillar hydrotheca. U. Cladial hydrotheca. V. Lateral view of a hydrotheca, showing diverticulum. W. Same hydrotheca viewed from above, showing minute foramen for the passage of coenosarc, and lateral diverticuli. X. Same hydrotheca in apical view, showing lateral diverticuli and basal foramen. Scale bars: A–C, F–H, S–U = 300 µm; D–E, I–R = 1 mm; V–X = 200 µm." pageId="19" pageNumber="20">Fig. 6X</figureCitation>
) show two empty lateral “pockets” which narrow considerably the hydrothecal lumen; the foramen for the passage of the hydranth within the hydrotheca is minute and horseshoe-shaped.
</paragraph>
<paragraph id="B53836C3F81DFF95FF5CF8C5FDBFF8DF" blockId="19.[189,514,1851,1877]" box="[189,514,1851,1877]" pageId="19" pageNumber="20">
<heading id="EE7081AFF81DFF95FF5CF8C5FDBFF8DF" bold="true" box="[189,514,1851,1877]" fontSize="11" level="3" pageId="19" pageNumber="20" reason="3">
<emphasis id="87F3EAD1F81DFF95FF5CF8C5FDBFF8DF" bold="true" box="[189,514,1851,1877]" pageId="19" pageNumber="20">Geographical distribution</emphasis>
</heading>
</paragraph>
<paragraph id="B53836C3F81DFF95FF5CF895FD54F80F" blockId="19.[189,745,1898,1925]" box="[189,745,1898,1925]" pageId="19" pageNumber="20">
<collectingCountry id="CD907653F81DFF95FF5CF895FECEF80E" box="[189,371,1898,1925]" name="New Caledonia" pageId="19" pageNumber="20">New Caledonia</collectingCountry>
(
<bibRefCitation id="D1164B32F81DFF95FE63F894FD8DF80E" author="Vervoort W." box="[386,560,1898,1924]" pageId="19" pageNumber="20" pagination="89 - 298" refId="ref27098" refString="Vervoort W. 1993. Cnidaria, Hydrozoa, Hydroida: Hydroids from the western Pacific (Philippines, Indonesia and New Caledonia) I. Sertulariidae (Part 1). In: Crosnier A. (ed.) Resultats des Campagnes MUSORSTOM 11. Memoires du Museum national d'Histoire naturelle 158: 89 - 298, Museum national d'Histoire naturelle, Paris." type="journal article" year="1993">Vervoort 1993</bibRefCitation>
; present study).
</paragraph>
</subSubSection>
</treatment>
</document>
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