172 lines
19 KiB
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172 lines
19 KiB
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<document id="621D1EEC358BE95FCEFFFADDD12A4E31" ID-DOI="10.5281/zenodo.197380" ID-GBIF-Dataset="623f5942-0074-4d90-b034-a0b102d5a3e6" ID-ISSN="1175-5326" ID-Zenodo-Dep="197380" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460268294263" checkinUser="plazi" docAuthor="Galea, Horia R." docDate="2010" docId="03D787AB6C1EFFFFFF62C8F8A81ABB0F" docLanguage="en" docName="zt02570p040.pdf" docOrigin="Zootaxa 2570" docStyle="DocumentStyle:890A69B780ED73D6DB8551B71C8AC79E.4:Zootaxa.2009-2012.journal_article" docStyleId="890A69B780ED73D6DB8551B71C8AC79E" docStyleName="Zootaxa.2009-2012.journal_article" docStyleVersion="4" docTitle="Antennella incerta Galea, 2010, sp. nov." docType="treatment" docVersion="13" lastPageNumber="26" masterDocId="FFEEFFD36C06FFE6FFF5CB13AB40B875" masterDocTitle="Additional shallow-water thecate hydroids (Cnidaria: Hydrozoa) from Guadeloupe and Les Saintes, French Lesser Antilles" masterLastPageNumber="40" masterPageNumber="1" pageNumber="25" updateTime="1698246066476" updateUser="plazi">
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<mods:titleInfo id="FACCB85EE7094D57F49F12B7DE316E17">
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<mods:title id="8004F2849B1335188087429A7825F04F">Additional shallow-water thecate hydroids (Cnidaria: Hydrozoa) from Guadeloupe and Les Saintes, French Lesser Antilles</mods:title>
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</mods:titleInfo>
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<mods:roleTerm id="73BF5FFCE61A94F206C7B1AE26066370">Author</mods:roleTerm>
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<mods:namePart id="EC7BFAACEB614A3029808C7286D67A38">Galea, Horia R.</mods:namePart>
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</mods:name>
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<mods:typeOfResource id="968DCF388B2E8720124734047B861261">text</mods:typeOfResource>
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<mods:title id="E8F5732D31E85244F91832F731A6F512">Zootaxa</mods:title>
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</mods:titleInfo>
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<mods:part id="4F7A3B44925BCC543C76ECDEEA07C00A">
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<mods:date id="473EDAC7C1EDB9053F62ED6AFB3E25D9">2010</mods:date>
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<mods:detail id="67308D316EE1698E5ECF3D92B7D378D6" type="volume">
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<mods:number id="F956BAE948347EF0CBDDB3A0B142AC22">2570</mods:number>
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<mods:start id="F022AE00DF64631710D4DF5F14028AD7">1</mods:start>
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<mods:end id="FDE8E87239BC15F4EFE3BDE121981E53">40</mods:end>
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<mods:classification id="AB4AA679513E1EE374FEA3525302652E">journal article</mods:classification>
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<mods:identifier id="39CFFF0FD6FF489940C6DA827FA32DDB" type="DOI">10.5281/zenodo.197380</mods:identifier>
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<mods:identifier id="4360E01DC4A46AC22741E24F8E6D4361" type="GBIF-Dataset">623f5942-0074-4d90-b034-a0b102d5a3e6</mods:identifier>
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<mods:identifier id="C29943AE7CD4085BD5031EF69D974C98" type="ISSN">1175-5326</mods:identifier>
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<mods:identifier id="8B5C3846451BD13EAB0A9594D53827FC" type="Zenodo-Dep">197380</mods:identifier>
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</mods:mods>
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<treatment id="03D787AB6C1EFFFFFF62C8F8A81ABB0F" ID-DOI="http://doi.org/10.5281/zenodo.5630173" ID-GBIF-Taxon="119394447" ID-Zenodo-Dep="5630173" LSID="urn:lsid:plazi:treatment:03D787AB6C1EFFFFFF62C8F8A81ABB0F" httpUri="http://treatment.plazi.org/id/03D787AB6C1EFFFFFF62C8F8A81ABB0F" lastPageId="25" lastPageNumber="26" pageId="24" pageNumber="25">
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<subSubSection id="C36465366C1EFFFEFF62C8F8AA03BC5E" pageId="24" pageNumber="25" type="nomenclature">
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<paragraph id="8BC136BD6C1EFFFEFF62C8F8AA9CBC71" blockId="24.[151,476,1002,1067]" box="[151,476,1002,1029]" pageId="24" pageNumber="25">
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<heading id="D08981D16C1EFFFEFF62C8F8AA9CBC71" bold="true" box="[151,476,1002,1029]" fontSize="11" level="1" pageId="24" pageNumber="25" reason="1">
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<emphasis id="B90AEAAF6C1EFFFEFF62C8F8AA9CBC71" bold="true" box="[151,476,1002,1029]" pageId="24" pageNumber="25">
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<taxonomicName id="4C7E4D3E6C1EFFFEFF62C8F8AA38BC70" ID-CoL="679KG" box="[151,376,1003,1029]" class="Hydrozoa" family="Halopterididae" genus="Antennella" kingdom="Animalia" order="Leptothecata" pageId="24" pageNumber="25" phylum="Cnidaria" rank="species" species="incerta" status="sp. nov.">
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<emphasis id="B90AEAAF6C1EFFFEFF62C8F8AA38BC70" bold="true" box="[151,376,1003,1029]" italics="true" pageId="24" pageNumber="25">Antennella incerta</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A23957D46C1EFFFEFE8AC8F9AA9CBC71" box="[383,476,1002,1028]" pageId="24" pageNumber="25" rank="species">sp. nov.</taxonomicNameLabel>
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</emphasis>
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</heading>
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</paragraph>
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<paragraph id="8BC136BD6C1EFFFEFF62CF02AA03BC5E" blockId="24.[151,476,1002,1067]" box="[151,323,1037,1067]" pageId="24" pageNumber="25">(fig. 6H1, J, K)</paragraph>
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</subSubSection>
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<subSubSection id="C36465366C1EFFFEFF62CF48AACFBD7E" pageId="24" pageNumber="25" type="materials_examined">
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<paragraph id="8BC136BD6C1EFFFEFF62CF48AA02BCEE" blockId="24.[151,1437,1115,2037]" pageId="24" pageNumber="25">
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<emphasis id="B90AEAAF6C1EFFFEFF62CF48AAEFBC00" bold="true" box="[151,431,1115,1141]" pageId="24" pageNumber="25">
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<typeStatus id="54C5881F6C1EFFFEFF62CF48AB97BC00" box="[151,215,1115,1141]" pageId="24" pageNumber="25">Type</typeStatus>
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material. Stn.12
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</emphasis>
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:
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<date id="FFC0107D6C1EFFFEFE35CF48A90BBC00" box="[448,587,1115,1141]" pageId="24" pageNumber="25" value="2009-11-30">30.11.2009</date>
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, 12–15 m—numerous sterile stems to
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<quantity id="4C869B586C1EFFFEFBD3CF48AF2DBC00" box="[1062,1133,1115,1141]" metricMagnitude="-3" metricUnit="m" metricValue="5.0" pageId="24" pageNumber="25" unit="mm" value="5.0">5 mm</quantity>
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high, on algae (MHNG- INVE-68729).
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</paragraph>
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<paragraph id="8BC136BD6C1EFFFEFF30CFB6AACFBD7E" blockId="24.[151,1437,1115,2037]" pageId="24" pageNumber="25">
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<emphasis id="B90AEAAF6C1EFFFEFF30CFB6A97ABCCA" bold="true" box="[197,570,1189,1215]" pageId="24" pageNumber="25">Additional material examined</emphasis>
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.
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<emphasis id="B90AEAAF6C1EFFFEFDBDCFB6A9C6BCCA" bold="true" box="[584,646,1189,1215]" pageId="24" pageNumber="25">Stn.9</emphasis>
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:
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<date id="FFC0107D6C1EFFFEFD6BCFB5A863BCB5" box="[670,803,1190,1216]" pageId="24" pageNumber="25" value="2009-11-21">21.11.2009</date>
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, 21 m—two sterile colonies with numerous stems to
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<quantity id="4C869B586C1EFFFEFA78CFB5AB86BC90" metricMagnitude="-3" metricUnit="m" metricValue="4.0" pageId="24" pageNumber="25" unit="mm" value="4.0">4 mm</quantity>
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high, both on worm tubes.
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<emphasis id="B90AEAAF6C1EFFFEFDEACFD8A92FBC90" bold="true" box="[543,623,1227,1253]" pageId="24" pageNumber="25">Stn.10</emphasis>
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: 0
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<date id="FFC0107D6C1EFFFEFD6CCFD8A858BC90" box="[665,792,1227,1253]" pageId="24" pageNumber="25" value="2009-02-12">2.12.2009</date>
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, 15–20 m—sterile stems to
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<quantity id="4C869B586C1EFFFEFB80CFD8AFFCBC90" box="[1141,1212,1227,1253]" metricMagnitude="-3" metricUnit="m" metricValue="4.0" pageId="24" pageNumber="25" unit="mm" value="4.0">4 mm</quantity>
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high, on stems of unidentified hydroid.
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</paragraph>
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</subSubSection>
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<subSubSection id="C36465366C1EFFFFFF30CE06AF28B8A2" lastPageId="25" lastPageNumber="26" pageId="24" pageNumber="25" type="description">
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<paragraph id="8BC136BD6C1EFFFFFF30CE06AF28B8A2" blockId="24.[151,1437,1115,2037]" lastBlockId="25.[151,1437,152,890]" lastPageId="25" lastPageNumber="26" pageId="24" pageNumber="25">
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<emphasis id="B90AEAAF6C1EFFFEFF30CE06AA18BD5A" bold="true" box="[197,344,1301,1327]" pageId="24" pageNumber="25">Description</emphasis>
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. Colonies comprising upright shoots arising from ramified, tubular hydrorhiza; no stolonal nematothecae. Stems composed of a short proximal part devoid of hydrothecae, but bearing 2–3 nematothecae in a single, longitudinal, centrally-placed row; divided into a few segments of varied length by means of transverse nodes, distalmost node oblique; occasionally, marks of breakage and subsequent regeneration present. Remainder of stem heteromerously segmented by alternating oblique and transverse nodes, the latter slightly marked. Ahydrothecate internodes short (130–265 µm), with proximal end transverse (nodes 30–40 µm wide) and distal end oblique; bearing one nematotheca (exceptionally two, exclusively found on proximal-most internode) on frontal side. Hydrothecate internodes, up to ten per erect shoot, 245–275 µm long, with proximal oblique node and distal transverse node; bearing one hydrotheca and four nematothecae: one mesial, a pair of laterals, and one axillar. Hydrotheca cup-shaped, axis oblique to that of internode; abcauline wall 135–150 µm long, straight to slightly concave, perisarc thick, with a more or less prominent internal projection above hydrothecal base (fig. 6J, arrowhead); adcauline wall adnate for two-thirds, free part 70–80 µm long, straight, perisarc thinner than on abcauline side; rim even, not everted, diameter at aperture 155–170 µm. All nematothecae bithalamic. Cauline and mesial nematothecae with lowered adcauline wall; mesial nematotheca not reaching hydrothecal base. Lateral nematothecae, 50–60 µm long, borne on quite long (70–80 µm) apophyses; apophyses alone almost reaching hydrothecal rim; distal end of nematothecae surpassing hydrothecal rim; basal chamber deeper than upper chamber, the latter barrel-shaped,
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<emphasis id="B90AEAAF6C1EFFFEFAD4CC78AE7DBFF1" box="[1313,1341,1899,1924]" italics="true" pageId="24" pageNumber="25">ca</emphasis>
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. 30 µm wide, adaxial side with conspicuous emargination. Axillar nematotheca randomly displaced left or right; borne on adaxial side of apophyses supporting the lateral nematothecae; bithalamic, with adcauline wall of upper chamber lowered. Hydranths with
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<emphasis id="B90AEAAF6C1EFFFEFD82CCC8A9D3BF81" box="[631,659,2011,2036]" italics="true" pageId="24" pageNumber="25">ca</emphasis>
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. 14 filiform tentacles. Nematocysts (undischarged) of three
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<typeStatus id="54C5881F6C1EFFFEFAA3CCC8AED8BF80" box="[1366,1432,2011,2037]" pageId="24" pageNumber="25">types</typeStatus>
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: small, egg-shaped capsules (3.7–4.7) × (2.4–2.8) µm; microbasic mastigophores (5.7–6.0) × (1.7–1.8) µm; large capsules of unidentified
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<typeStatus id="54C5881F6C1FFFFFFE02CBAEA969B8A2" box="[503,553,189,215]" pageId="25" pageNumber="26">type</typeStatus>
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(16.1–18.0) × (5.6–6.3) µm. Gonothecae absent.
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</paragraph>
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</subSubSection>
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<subSubSection id="C36465366C1FFFFFFF30CBF1AF3ABB7F" pageId="25" pageNumber="26" type="discussion">
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<paragraph id="8BC136BD6C1FFFFFFF30CBF1AF41B932" blockId="25.[151,1437,152,890]" pageId="25" pageNumber="26">
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<emphasis id="B90AEAAF6C1FFFFFFF30CBF1AA78B889" bold="true" box="[197,312,226,252]" pageId="25" pageNumber="26">Remarks</emphasis>
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. Upon examination of numerous (
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<emphasis id="B90AEAAF6C1FFFFFFD21CBF1A9B0B88E" box="[724,752,226,251]" italics="true" pageId="25" pageNumber="26">ca</emphasis>
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. 20) stems with perfectly cleared hydrothecae, it appears that only one axillar nematotheca is randomly present on either side behind the hydrothecal wall. No apparent signs of possible breakage of a putative paired nematotheca were detected.
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</paragraph>
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<paragraph id="8BC136BD6C1FFFFFFF30CA41AF8FB9C2" blockId="25.[151,1437,152,890]" pageId="25" pageNumber="26">
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<taxonomicName id="4C7E4D3E6C1FFFFFFF30CA41AA04B91E" box="[197,324,338,363]" class="Hydrozoa" family="Halopterididae" genus="Antennella" kingdom="Animalia" order="Leptothecata" pageId="25" pageNumber="26" phylum="Cnidaria" rank="genus">
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<emphasis id="B90AEAAF6C1FFFFFFF30CA41AA04B91E" box="[197,324,338,363]" italics="true" pageId="25" pageNumber="26">Antennella</emphasis>
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</taxonomicName>
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species with laterally-displaced axillar nematotheca have been rarely recorded, as for instance the material assigned to
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<taxonomicName id="4C7E4D3E6C1FFFFFFE38CA6BA915B9E4" box="[461,597,376,401]" class="Hydrozoa" family="Halopterididae" genus="Antennella" kingdom="Animalia" order="Leptothecata" pageId="25" pageNumber="26" phylum="Cnidaria" rank="genus">
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<emphasis id="B90AEAAF6C1FFFFFFE38CA6BA915B9E4" box="[461,597,376,401]" italics="true" pageId="25" pageNumber="26">Antennella</emphasis>
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</taxonomicName>
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sp. by Hirohito (1974). However, the Japanese species has lateral nematothecae with the rim of upper chamber entire, not deeply emarginated as in
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<taxonomicName id="4C7E4D3E6C1FFFFFFBA0CA8EAF88B9C3" box="[1109,1224,413,438]" class="Hydrozoa" family="Halopterididae" genus="Antennella" kingdom="Animalia" order="Leptothecata" pageId="25" pageNumber="26" phylum="Cnidaria" rank="species" species="incerta">
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<emphasis id="B90AEAAF6C1FFFFFFBA0CA8EAF88B9C3" box="[1109,1224,413,438]" italics="true" pageId="25" pageNumber="26">A. incerta</emphasis>
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</taxonomicName>
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.
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</paragraph>
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<paragraph id="8BC136BD6C1FFFFFFF30CAD1AF3ABB7F" blockId="25.[151,1437,152,890]" pageId="25" pageNumber="26">
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The nematocyst complement of the new species was compared to that of
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<taxonomicName id="4C7E4D3E6C1FFFFFFBA8CAD1AF99B9AE" box="[1117,1241,450,475]" class="Hydrozoa" family="Halopterididae" genus="Antennella" kingdom="Animalia" order="Leptothecata" pageId="25" pageNumber="26" phylum="Cnidaria" rank="species" species="armata" status="sp. nov.">
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<emphasis id="B90AEAAF6C1FFFFFFBA8CAD1AF99B9AE" box="[1117,1241,450,475]" italics="true" pageId="25" pageNumber="26">A. armata</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A23957D46C1FFFFFFB16CAD1AE04B9A9" box="[1251,1348,450,476]" pageId="25" pageNumber="26" rank="species">sp. nov.</taxonomicNameLabel>
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and
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<taxonomicName id="4C7E4D3E6C1FFFFFFA77CAD1AA98BA71" authority="Gmelin, 1791" authorityName="Gmelin" authorityYear="1791" class="Hydrozoa" family="Halopterididae" genus="Antennella" kingdom="Animalia" order="Leptothecata" pageId="25" pageNumber="26" phylum="Cnidaria" rank="species" species="secundaria">
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<emphasis id="B90AEAAF6C1FFFFFFA77CAD1AA59BA71" italics="true" pageId="25" pageNumber="26">A. secundaria</emphasis>
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(
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<bibRefCitation id="EFEF4B4C6C1FFFFFFEDDCAF9AA8FBA71" author="Gmelin" box="[296,463,490,516]" pageId="25" pageNumber="26" refString="Gmelin, J. F. (1791) Caroli a Linne, systema naturae etc. Editio decima tertia, aucta reformata. Vol. 1, part 6 (Vermes). Lipsiae, pp. 3021 - 3910." type="book chapter" year="1791">Gmelin, 1791</bibRefCitation>
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)
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</taxonomicName>
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, and it appears to comprise comparatively larger capsules (fig. 6H1). Additionally, the stems of the new species are shorter and much more slender, and the hydrothecae smaller than those of
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<taxonomicName id="4C7E4D3E6C1FFFFFFA76C903AA64BA3A" class="Hydrozoa" family="Halopterididae" genus="Antennella" kingdom="Animalia" order="Leptothecata" pageId="25" pageNumber="26" phylum="Cnidaria" rank="species" species="secundaria">
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<emphasis id="B90AEAAF6C1FFFFFFA76C903AA64BA3A" italics="true" pageId="25" pageNumber="26">A. secundaria</emphasis>
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</taxonomicName>
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belonging to the present collection. In
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<taxonomicName id="4C7E4D3E6C1FFFFFFCE8C925A8DBBA3A" box="[797,923,566,591]" class="Hydrozoa" family="Halopterididae" genus="Antennella" kingdom="Animalia" order="Leptothecata" pageId="25" pageNumber="26" phylum="Cnidaria" rank="species" species="incerta">
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<emphasis id="B90AEAAF6C1FFFFFFCE8C925A8DBBA3A" box="[797,923,566,591]" italics="true" pageId="25" pageNumber="26">A. incerta</emphasis>
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</taxonomicName>
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, the distal end of the hydrothecate stem internodes end just above the axil of hydrotheca, never coming close to its rim, while in
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<taxonomicName id="4C7E4D3E6C1FFFFFFB6DC948AE7ABA01" box="[1176,1338,603,628]" class="Hydrozoa" family="Halopterididae" genus="Antennella" kingdom="Animalia" order="Leptothecata" pageId="25" pageNumber="26" phylum="Cnidaria" rank="species" species="secundaria">
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<emphasis id="B90AEAAF6C1FFFFFFB6DC948AE7ABA01" box="[1176,1338,603,628]" italics="true" pageId="25" pageNumber="26">A. secundaria</emphasis>
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</taxonomicName>
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it easily reaches, or slightly surpasses the rim. The upper chamber of lateral nematothecae was not emarginated in any of the specimens of
|
|||
|
|
<taxonomicName id="4C7E4D3E6C1FFFFFFE71C9B5A967BACA" box="[388,551,678,703]" class="Hydrozoa" family="Halopterididae" genus="Antennella" kingdom="Animalia" order="Leptothecata" pageId="25" pageNumber="26" phylum="Cnidaria" rank="species" species="secundaria">
|
|||
|
|
<emphasis id="B90AEAAF6C1FFFFFFE71C9B5A967BACA" box="[388,551,678,703]" italics="true" pageId="25" pageNumber="26">A. secundaria</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
examined, and the axillar nematotheca was always placed centrally behind the hydrotheca. Moreover, the abcauline wall of the hydrotheca of
|
|||
|
|
<taxonomicName id="4C7E4D3E6C1FFFFFFC5BC9D8AF63BA91" box="[942,1059,715,740]" class="Hydrozoa" family="Halopterididae" genus="Antennella" kingdom="Animalia" order="Leptothecata" pageId="25" pageNumber="26" phylum="Cnidaria" rank="species" species="incerta">
|
|||
|
|
<emphasis id="B90AEAAF6C1FFFFFFC5BC9D8AF63BA91" box="[942,1059,715,740]" italics="true" pageId="25" pageNumber="26">A. incerta</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
is conspicuously thickened and exhibits an internal tooth above the diaphragm, similar to
|
|||
|
|
<taxonomicName id="4C7E4D3E6C1FFFFFFCC8C9E3AF36BB7F" authority="Fraser, 1937" authorityName="Fraser" authorityYear="1937" box="[829,1142,752,778]" class="Hydrozoa" family="Halopterididae" genus="Antennella" kingdom="Animalia" order="Leptothecata" pageId="25" pageNumber="26" phylum="Cnidaria" rank="species" species="curvitheca">
|
|||
|
|
<emphasis id="B90AEAAF6C1FFFFFFCC8C9E3A89ABB7C" box="[829,986,752,777]" italics="true" pageId="25" pageNumber="26">A. curvitheca</emphasis>
|
|||
|
|
<bibRefCitation id="EFEF4B4C6C1FFFFFFC14C9E3AF36BB7F" author="Fraser" box="[993,1142,752,778]" pageId="25" pageNumber="26" refString="Fraser, C. M. (1937) New species of hydroids from the Puerto Rican region. Smithsonian Miscellaneous Collections, 91 (28), 1 - 7." type="journal article" year="1937">Fraser, 1937</bibRefCitation>
|
|||
|
|
</taxonomicName>
|
|||
|
|
.
|
|||
|
|
</paragraph>
|
|||
|
|
</subSubSection>
|
|||
|
|
<subSubSection id="C36465366C1FFFFFFF30C806A81ABB0F" pageId="25" pageNumber="26" type="etymology">
|
|||
|
|
<paragraph id="8BC136BD6C1FFFFFFF30C806A808BB21" blockId="25.[151,1437,152,890]" pageId="25" pageNumber="26">
|
|||
|
|
<emphasis id="B90AEAAF6C1FFFFFFF30C806AA10BB5A" bold="true" box="[197,336,789,815]" pageId="25" pageNumber="26">Etymology</emphasis>
|
|||
|
|
. The specific name is the Latin adjective
|
|||
|
|
<emphasis id="B90AEAAF6C1FFFFFFCAEC805AFD4BB5A" box="[859,1172,790,815]" italics="true" pageId="25" pageNumber="26">
|
|||
|
|
incertus/
|
|||
|
|
<taxonomicName id="4C7E4D3E6C1FFFFFFC3DC805AF5BBB5A" box="[968,1051,790,815]" class="Hydrozoa" family="Halopterididae" genus="Antennella" kingdom="Animalia" order="Leptothecata" pageId="25" pageNumber="26" phylum="Cnidaria" rank="species" species="incerta">incerta</taxonomicName>
|
|||
|
|
/incertum
|
|||
|
|
</emphasis>
|
|||
|
|
, meaning indecisive, illustrating the random position of the axillar nematotheca.
|
|||
|
|
</paragraph>
|
|||
|
|
<paragraph id="8BC136BD6C1FFFFFFF30C873A81ABB0F" blockId="25.[151,1437,152,890]" box="[197,858,864,890]" pageId="25" pageNumber="26">
|
|||
|
|
<emphasis id="B90AEAAF6C1FFFFFFF30C873AAF0BB0F" bold="true" box="[197,432,864,890]" pageId="25" pageNumber="26">Caribbean records</emphasis>
|
|||
|
|
. Known only from the
|
|||
|
|
<typeStatus id="54C5881F6C1FFFFFFD36C873A9B6BB0F" box="[707,758,864,890]" pageId="25" pageNumber="26">type</typeStatus>
|
|||
|
|
locality.
|
|||
|
|
</paragraph>
|
|||
|
|
</subSubSection>
|
|||
|
|
</treatment>
|
|||
|
|
</document>
|