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<document id="B7ABBC77DB7825F282C96C2761A029EA" ID-DOI="10.5281/zenodo.178671" ID-GBIF-Dataset="661fed86-7e50-4e5b-ab0b-c313ade74160" ID-ISSN="1175-5326" ID-Zenodo-Dep="178671" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1459904817913" checkinUser="plazi" docAuthor="Widmer, Chad L." docDate="2007" docId="03BD87C8FFB8AB14FF3DFA11FE66FE3A" docLanguage="en" docName="zt01595p059.pdf" docOrigin="Zootaxa 1595" docStyle="DocumentStyle:6581673A57F01A3145754A1E615EDFF0.4:Zootaxa.2007-2008.journal_article" docStyleId="6581673A57F01A3145754A1E615EDFF0" docStyleName="Zootaxa.2007-2008.journal_article" docStyleVersion="4" docTitle="Amphinema rollinsi Widmer, 2007, sp. n." docType="treatment" docVersion="9" lastPageNumber="56" masterDocId="FF84FFB0FFB9AB17FFAAFFC3FFC5FF98" masterDocTitle="The hydroid and medusa of Amphinema rollinsi (Cnidaria: Hydrozoa), a new species of pandeid from the Monterey Bay Submarine Canyon, USA" masterLastPageNumber="59" masterPageNumber="53" pageNumber="54" updateTime="1698228934378" updateUser="plazi">
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<mods:title id="F91F23C0C22DBE24EFF0ACBA5249D01D">The hydroid and medusa of Amphinema rollinsi (Cnidaria: Hydrozoa), a new species of pandeid from the Monterey Bay Submarine Canyon, USA</mods:title>
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<mods:namePart id="D19F5B5EAECF7E7F2B21908666A51E9D">Widmer, Chad L.</mods:namePart>
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<mods:date id="E23C99F0F837F48473E05C316E417BF8">2007</mods:date>
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<mods:identifier id="A7DA1334C4734F0D39C43C531EB56B92" type="DOI">10.5281/zenodo.178671</mods:identifier>
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<treatment id="03BD87C8FFB8AB14FF3DFA11FE66FE3A" ID-DOI="http://doi.org/10.5281/zenodo.5612636" ID-GBIF-Taxon="119373319" ID-Zenodo-Dep="5612636" LSID="urn:lsid:plazi:treatment:03BD87C8FFB8AB14FF3DFA11FE66FE3A" httpUri="http://treatment.plazi.org/id/03BD87C8FFB8AB14FF3DFA11FE66FE3A" lastPageId="3" lastPageNumber="56" pageId="1" pageNumber="54">
<subSubSection id="C30E6555FFB8AB16FF3DFA11FEE3F997" pageId="1" pageNumber="54" type="nomenclature">
<paragraph id="8BAB36DEFFB8AB16FF3DFA11FE1CFA74" blockId="1.[151,473,1490,1551]" box="[151,473,1490,1516]" pageId="1" pageNumber="54">
<heading id="D0E381B2FFB8AB16FF3DFA11FE1CFA74" bold="true" box="[151,473,1490,1516]" fontSize="11" level="1" pageId="1" pageNumber="54" reason="1">
<emphasis id="B960EACCFFB8AB16FF3DFA11FE1CFA74" bold="true" box="[151,473,1490,1516]" pageId="1" pageNumber="54">
<taxonomicName id="4C144D5DFFB8AB16FF3DFA11FE4DFA74" ID-CoL="D3RS" box="[151,392,1490,1516]" class="Hydrozoa" family="Pandeidae" genus="Amphinema" kingdom="Animalia" order="Anthoathecata" pageId="1" pageNumber="54" phylum="Cnidaria" rank="species" species="rollinsi" status="sp. nov.">
<emphasis id="B960EACCFFB8AB16FF3DFA11FE4DFA74" bold="true" box="[151,392,1490,1516]" italics="true" pageId="1" pageNumber="54">Amphinema rollinsi</emphasis>
</taxonomicName>
,
<taxonomicNameLabel id="A25357B7FFB8AB16FE3DFA11FE1CFA74" box="[407,473,1490,1516]" pageId="1" pageNumber="54" rank="species">sp. n.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
<paragraph id="8BAB36DEFFB8AB16FF3DFA36FEE3F997" blockId="1.[151,473,1490,1551]" box="[151,294,1525,1551]" pageId="1" pageNumber="54">
(
<figureCitation id="132F2A5BFFB8AB16FF35FA36FED8F997" box="[159,285,1525,1551]" captionStart-0="FIGURE 1" captionStart-1="FIGURE 2" captionStartId-0="2.[151,255,943,967]" captionStartId-1="2.[151,255,1875,1899]" captionTargetBox-0="[484,1103,637,916]" captionTargetBox-1="[540,1047,1495,1848]" captionTargetId-0="figure@2.[484,1104,637,917]" captionTargetId-1="figure@2.[540,1047,1495,1848]" captionTargetPageId-0="2" captionTargetPageId-1="2" captionText-0="FIGURE 1. Hydroid of Amphinema rollinsi, sp. n.: A. Upright hydrocaulus. B. Mature hydranth. C. Medusa bud nearly ready for release. Scale bar A = 5 mm. Scale bars B and C = 500 µm." captionText-1="FIGURE 2. Medusae of Amphinema rollinsi, sp. n. A. Newly released medusa. B. Mature female medusa. Scale bars = 1 mm." httpUri-0="https://zenodo.org/record/178672/files/figure.png" httpUri-1="https://zenodo.org/record/178673/files/figure.png" pageId="1" pageNumber="54">Figs. 1 2</figureCitation>
)
</paragraph>
</subSubSection>
<subSubSection id="C30E6555FFB8AB16FF3DF986FC77F8EF" pageId="1" pageNumber="54" type="materials_examined">
<paragraph id="8BAB36DEFFB8AB16FF3DF986FC0FF937" blockId="1.[151,1436,1605,1991]" pageId="1" pageNumber="54">
<emphasis id="B960EACCFFB8AB16FF3DF986FE88F9C7" bold="true" box="[151,333,1605,1631]" pageId="1" pageNumber="54">
<typeStatus id="54AF887CFFB8AB16FF3DF986FF17F9C7" box="[151,210,1605,1631]" pageId="1" pageNumber="54">Type</typeStatus>
material:
</emphasis>
<typeStatus id="54AF887CFFB8AB16FEFCF986FE0DF9C7" box="[342,456,1605,1631]" pageId="1" pageNumber="54" type="holotype">Holotype</typeStatus>
: one mature female medusa, released
<date id="FFAA101EFFB8AB16FC2EF986FB83F9C7" box="[900,1094,1605,1631]" pageId="1" pageNumber="54" value="2007-01-15">15 January 2007</date>
from
<typeStatus id="54AF887CFFB8AB16FB27F986FB37F9C7" box="[1165,1266,1605,1631]" pageId="1" pageNumber="54" type="paratype">paratype</typeStatus>
hydroid listed below and raised under laboratory conditions at the Monterey Bay Aquarium, Monterey, California; preserved in 70% ethanol; California Academy of Sciences,
<collectionCode id="ED05AE1BFFB8AB16FD48F956FCF2F937" box="[738,823,1685,1711]" pageId="1" pageNumber="54">CASIZ</collectionCode>
no. 174847.
</paragraph>
<paragraph id="8BAB36DEFFB8AB16FF6CF97EFC77F8EF" blockId="1.[151,1436,1605,1991]" pageId="1" pageNumber="54">
<typeStatus id="54AF887CFFB8AB16FF6CF97EFEF8F94F" box="[198,317,1725,1751]" pageId="1" pageNumber="54" type="paratype">Paratypes</typeStatus>
: one immature female medusa, released
<date id="FFAA101EFFB8AB16FCB5F97EFC26F94F" box="[799,995,1725,1751]" pageId="1" pageNumber="54" value="2007-01-17">17 January 2007</date>
from
<typeStatus id="54AF887CFFB8AB16FB87F97EFB57F94F" box="[1069,1170,1725,1751]" pageId="1" pageNumber="54" type="paratype">paratype</typeStatus>
hydroid under laboratory conditions at the Monterey Bay Aquarium, Monterey, California; preserved in 70% ethanol; California Academy of Sciences,
<collectionCode id="ED05AE1BFFB8AB16FE02F8CEFE38F8BF" box="[424,509,1805,1831]" pageId="1" pageNumber="54">CASIZ</collectionCode>
no. 174848. A single hydroid colony, collected
<date id="FFAA101EFFB8AB16FB96F8CEFAC2F8BF" box="[1084,1287,1805,1831]" pageId="1" pageNumber="54" value="2006-10-25">25 October 2006</date>
, growing on PVC pipe emplaced in Monterey Bay Submarine Canyon (N 36° 46. 2931; W 122° 4. 9568) on
<date id="FFAA101EFFB8AB16FB52F8F6FA5DF8D7" box="[1272,1432,1845,1871]" pageId="1" pageNumber="54" value="2006-05-25">25 May 2006</date>
, depth
<quantity id="4CEC9B3BFFB8AB16FF75F89EFEF0F8EF" box="[223,309,1885,1911]" metricMagnitude="3" metricUnit="m" metricValue="1.016" pageId="1" pageNumber="54" unit="m" value="1016.0">1016m</quantity>
; California Academy of Sciences,
<collectionCode id="ED05AE1BFFB8AB16FD60F89EFCDAF8EF" box="[714,799,1885,1911]" pageId="1" pageNumber="54">CASIZ</collectionCode>
no. 174847.
</paragraph>
</subSubSection>
<subSubSection id="C30E6555FFB8AB16FF6CF846FABCF85F" pageId="1" pageNumber="54" type="etymology">
<paragraph id="8BAB36DEFFB8AB16FF6CF846FABCF85F" blockId="1.[151,1436,1605,1991]" pageId="1" pageNumber="54">
<emphasis id="B960EACCFFB8AB16FF6CF846FE96F807" bold="true" box="[198,339,1925,1951]" pageId="1" pageNumber="54">Etymology.</emphasis>
The species is named in honor of Henry Rollins, artist, activist, and philosopher. It is the best way I know to thank him for his much appreciated and noble United Service Organizations (USO) service.
</paragraph>
</subSubSection>
<subSubSection id="C30E6555FFBBAB14FF6CFF54FE66FE3A" lastPageId="3" lastPageNumber="56" pageId="2" pageNumber="55" type="description">
<paragraph id="8BAB36DEFFBBAB15FF6CFF54FEF7FDDA" blockId="2.[151,1437,151,578]" pageId="2" pageNumber="55">
<emphasis id="B960EACCFFBBAB15FF6CFF54FE92FF29" bold="true" box="[198,343,151,177]" pageId="2" pageNumber="55">Description</emphasis>
(from living material). Hydroid colonies stolonal or with upright, monosiphonic hydrocauli, arising from a creeping hydrorhiza. Single hydranths arising from hydrocaulus on simple short pedicels lacking distinct basal annulations.
<typeStatus id="54AF887CFFBBAB15FE50FF2BFDA5FE9A" box="[506,608,232,258]" pageId="2" pageNumber="55" type="paratype">Paratype</typeStatus>
hydrocaulus
<quantity id="4CEC9B3BFFBBAB15FD55FF2BFC94FE9A" box="[767,849,232,258]" metricMagnitude="-3" metricUnit="m" metricValue="9.5" pageId="2" pageNumber="55" unit="mm" value="9.5">9.5mm</quantity>
tall before preservation, bearing very short, irregularly-spaced pedicels with terminal hydranths (
<figureCitation id="132F2A5BFFBBAB15FD71FED3FCE5FEB2" box="[731,800,272,298]" captionStart="FIGURE 1" captionStartId="2.[151,255,943,967]" captionTargetBox="[484,1103,637,916]" captionTargetId="figure@2.[484,1104,637,917]" captionTargetPageId="2" captionText="FIGURE 1. Hydroid of Amphinema rollinsi, sp. n.: A. Upright hydrocaulus. B. Mature hydranth. C. Medusa bud nearly ready for release. Scale bar A = 5 mm. Scale bars B and C = 500 µm." httpUri="https://zenodo.org/record/178672/files/figure.png" pageId="2" pageNumber="55">Fig. 1</figureCitation>
A). Hydranths also present on creeping hydrorhizae, each with a single whorl of 812 mildly amphicoronate filiform tentacles, each tentacle with a small terminal cap (
<figureCitation id="132F2A5BFFBBAB15FF7AFEA3FED7FEE2" box="[208,274,352,378]" captionStart="FIGURE 1" captionStartId="2.[151,255,943,967]" captionTargetBox="[484,1103,637,916]" captionTargetId="figure@2.[484,1104,637,917]" captionTargetPageId="2" captionText="FIGURE 1. Hydroid of Amphinema rollinsi, sp. n.: A. Upright hydrocaulus. B. Mature hydranth. C. Medusa bud nearly ready for release. Scale bar A = 5 mm. Scale bars B and C = 500 µm." httpUri="https://zenodo.org/record/178672/files/figure.png" pageId="2" pageNumber="55">Fig. 1</figureCitation>
B) not formed by a concentration of cnidocysts. Hydranths with cylindrical columns about 475µm long, 100µm wide; hypostomes bluntly conical, with simple circular mouths. Undisturbed hydranths bending slowly from side to side; disturbed hydranths bending to one side or the other, but not the same way each time. Tentacles sometimes contracted but never retracted inside perisarcal tubes. Medusa buds (
<figureCitation id="132F2A5BFFBBAB15FB1AFE1BFB34FE6A" box="[1200,1265,472,498]" captionStart="FIGURE 1" captionStartId="2.[151,255,943,967]" captionTargetBox="[484,1103,637,916]" captionTargetId="figure@2.[484,1104,637,917]" captionTargetPageId="2" captionText="FIGURE 1. Hydroid of Amphinema rollinsi, sp. n.: A. Upright hydrocaulus. B. Mature hydranth. C. Medusa bud nearly ready for release. Scale bar A = 5 mm. Scale bars B and C = 500 µm." httpUri="https://zenodo.org/record/178672/files/figure.png" pageId="2" pageNumber="55">Fig. 1</figureCitation>
C) arising singly from short pedicels (about 175µm long) on upright hydrocauli. Medusa buds usually about 600µm long, 425µm wide.
</paragraph>
<caption id="DF6B6656FFBBAB15FF3DFC6CFCA8FC71" httpUri="https://zenodo.org/record/178672/files/figure.png" pageId="2" pageNumber="55" targetBox="[484,1103,637,916]" targetPageId="2">
<paragraph id="8BAB36DEFFBBAB15FF3DFC6CFCA8FC71" blockId="2.[151,1436,943,1001]" pageId="2" pageNumber="55">
<emphasis id="B960EACCFFBBAB15FF3DFC6CFEDCFC5F" bold="true" box="[151,281,943,967]" pageId="2" pageNumber="55">FIGURE 1.</emphasis>
Hydroid of
<taxonomicName id="4C144D5DFFBBAB15FE36FC73FDABFC5F" box="[412,622,944,967]" class="Hydrozoa" family="Pandeidae" genus="Amphinema" kingdom="Animalia" order="Anthoathecata" pageId="2" pageNumber="55" phylum="Cnidaria" rank="species" species="rollinsi" status="sp. nov.">
<emphasis id="B960EACCFFBBAB15FE36FC73FDABFC5F" box="[412,622,944,967]" italics="true" pageId="2" pageNumber="55">Amphinema rollinsi</emphasis>
</taxonomicName>
,
<emphasis id="B960EACCFFBBAB15FDD6FC6CFD7DFC5F" bold="true" box="[636,696,943,967]" pageId="2" pageNumber="55">
<taxonomicNameLabel id="A25357B7FFBBAB15FDD6FC6CFD7DFC5F" box="[636,696,943,967]" pageId="2" pageNumber="55" rank="species">sp. n.</taxonomicNameLabel>
</emphasis>
: A. Upright hydrocaulus. B. Mature hydranth. C. Medusa bud nearly ready for release. Scale bar A = 5mm. Scale bars B and C = 500µm.
</paragraph>
</caption>
<paragraph id="8BAB36DEFFBBAB15FF6CFB81FB26FA04" blockId="2.[151,1436,1090,1436]" pageId="2" pageNumber="55">
Newly released medusae dome shaped, about
<quantity id="4CEC9B3BFFBBAB15FD44FB81FC85FBC4" box="[750,832,1090,1116]" metricMagnitude="-3" metricUnit="m" metricValue="1.5" pageId="2" pageNumber="55" unit="mm" value="1.5">1.5mm</quantity>
tall, 1.0mm wide, with a distinct, well-developed, thin apical projection (
<figureCitation id="132F2A5BFFBBAB15FE09FBA9FE2EFB1C" box="[419,491,1130,1156]" captionStart="FIGURE 2" captionStartId="2.[151,255,1875,1899]" captionTargetBox="[540,1047,1495,1848]" captionTargetId="figure@2.[540,1047,1495,1848]" captionTargetPageId="2" captionText="FIGURE 2. Medusae of Amphinema rollinsi, sp. n. A. Newly released medusa. B. Mature female medusa. Scale bars = 1 mm." httpUri="https://zenodo.org/record/178673/files/figure.png" pageId="2" pageNumber="55">Fig. 2</figureCitation>
A); apical projection accounting for about ¼ total bell height, uniform in width, ending in a bluntly rounded point; mesoglea thin; exumbrella evenly covered with nematocysts; gastric peduncle absent; manubrium flask-shaped, cruciform in cross-section; mouth with prominent recurved lips; gonads not apparent in newly released specimens; radial canals four, simple; ring canal tubular; velum narrow. Medusae with two long, opposite, perradial marginal tentacles with elongated conical bulbs, and with two perradial and four interradial tentaculae that were all alike. Ocelli and marginal warts absent. Apical chamber shaped like two cones with bases placed together, resulting in two pointed ends, one end pointing toward and extending into the apical process and the other end pointing toward the mouth (
<figureCitation id="132F2A5BFFBBAB15FB9DFA41FB5EFA04" box="[1079,1179,1410,1436]" captionStart="FIGURE 2" captionStartId="2.[151,255,1875,1899]" captionTargetBox="[540,1047,1495,1848]" captionTargetId="figure@2.[540,1047,1495,1848]" captionTargetPageId="2" captionText="FIGURE 2. Medusae of Amphinema rollinsi, sp. n. A. Newly released medusa. B. Mature female medusa. Scale bars = 1 mm." httpUri="https://zenodo.org/record/178673/files/figure.png" pageId="2" pageNumber="55">Figure 2</figureCitation>
A, B).
</paragraph>
<caption id="DF6B6656FFBBAB15FF3DF890FF10F815" httpUri="https://zenodo.org/record/178673/files/figure.png" pageId="2" pageNumber="55" targetBox="[540,1047,1495,1848]" targetPageId="2">
<paragraph id="8BAB36DEFFBBAB15FF3DF890FF10F815" blockId="2.[151,1436,1875,1933]" pageId="2" pageNumber="55">
<emphasis id="B960EACCFFBBAB15FF3DF890FEDCF8F3" bold="true" box="[151,281,1875,1899]" pageId="2" pageNumber="55">FIGURE 2.</emphasis>
Medusae of
<taxonomicName id="4C144D5DFFBBAB15FE0FF890FDB2F8F2" box="[421,631,1875,1898]" class="Hydrozoa" family="Pandeidae" genus="Amphinema" kingdom="Animalia" order="Anthoathecata" pageId="2" pageNumber="55" phylum="Cnidaria" rank="species" species="rollinsi" status="sp. nov.">
<emphasis id="B960EACCFFBBAB15FE0FF890FDB2F8F2" box="[421,631,1875,1898]" italics="true" pageId="2" pageNumber="55">Amphinema rollinsi</emphasis>
</taxonomicName>
,
<emphasis id="B960EACCFFBBAB15FD2FF890FD07F8F3" bold="true" box="[645,706,1875,1899]" pageId="2" pageNumber="55">
<taxonomicNameLabel id="A25357B7FFBBAB15FD2FF890FD07F8F3" box="[645,706,1875,1899]" pageId="2" pageNumber="55" rank="species">sp. n.</taxonomicNameLabel>
</emphasis>
A. Newly released medusa. B. Mature female medusa. Scale bars = 1mm.
</paragraph>
</caption>
<paragraph id="8BAB36DEFFBAAB14FF6CFF5BFE66FE3A" blockId="3.[151,1436,152,418]" pageId="3" pageNumber="56">
Medusae maturing in about three weeks under laboratory conditions, retaining both the same domeshaped bell and thin, elongated and bluntly rounded apical process as in newly released medusae. In mature medusae the two perradial tentacles continued to elongate but all tentaculae remained short.
<typeStatus id="54AF887CFFBAAB14FB64FF2BFAFEFE9A" box="[1230,1339,232,258]" pageId="3" pageNumber="56" type="holotype">Holotype</typeStatus>
medusa mature,
<quantity id="4CEC9B3BFFBAAB14FF5DFED3FE9CFEB2" box="[247,345,272,298]" metricMagnitude="-3" metricUnit="m" metricValue="2.35" pageId="3" pageNumber="56" unit="mm" value="2.35">2.35mm</quantity>
tall,
<quantity id="4CEC9B3BFFBAAB14FE3FFED3FE33FEB2" box="[405,502,272,298]" metricMagnitude="-3" metricUnit="m" metricValue="1.45" pageId="3" pageNumber="56" unit="mm" value="1.45">1.45mm</quantity>
wide before preservation. Manubrium flask-shaped, about 25% as long as total length of bell. Gonads adradial, in form of simple regions on the either side of radial canals, not extending past upper half of manubrium. Eggs of female medusae bright red, circular, ranging in size from 175200µm. Male medusae not observed.
</paragraph>
</subSubSection>
</treatment>
</document>