559 lines
73 KiB
XML
559 lines
73 KiB
XML
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<mods:title id="E60196A4D989D5DE8CCBE65CA139D4D2">A new genus of large hydrothermal vent-endemic gastropod (Neomphalina: Peltospiridae)</mods:title>
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<mods:namePart id="549ABE007B1FB5F67914603ED371073F">Chen, Chong</mods:namePart>
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<mods:namePart id="80DFA3C209DAE5DCFCC4399D375B8D03">Linse, Katrin</mods:namePart>
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<mods:namePart id="2D48B0B4511F3653B050776EAD1DA1B8">Roterman, Christopher N.</mods:namePart>
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<heading id="DC482155FFD4FFE72C15927CFACEFAC4" box="[849,1379,1378,1401]" centered="true" fontSize="9" level="2" pageId="4" pageNumber="323" reason="4">
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<taxonomicName id="40BFEDBAFFD4FFE72C15927CFBD3FACA" ID-CoL="6KFP8" authority="Chen & Linse & Roterman & Copley & Rogers, 2015" authorityName="Chen & Linse & Roterman & Copley & Rogers" authorityYear="2015" box="[849,1150,1378,1399]" class="Gastropoda" family="Peltospiridae" genus="Gigantopelta" kingdom="Animalia" order="Neomphalida" pageId="4" pageNumber="331" phylum="Mollusca" rank="species" species="chessoia" status="sp. nov.">GIGANTOPELTA CHESSOIA</taxonomicName>
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<taxonomicNameLabel id="AEF8F750FFD4FFE72BC39278FB4EFAC5" box="[1159,1251,1379,1400]" pageId="4" pageNumber="323" rank="species">SP. NOV.</taxonomicNameLabel>
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(
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<figureCitation id="1F848ABCFFD4FFE72BB0927DFAF6FAC4" box="[1268,1371,1379,1401]" captionStart-0="Figure 2" captionStart-1="Figure 3" captionStart-2="Figure 4" captionStart-3="Figure 5" captionStart-4="Figure 6" captionStart-5="Figure 7" captionStartId-0="1.[826,905,1352,1371]" captionStartId-1="5.[164,243,1832,1851]" captionStartId-2="6.[144,223,927,946]" captionStartId-3="6.[144,223,1787,1806]" captionStartId-4="7.[164,242,1201,1220]" captionStartId-5="7.[164,240,1762,1781]" captionTargetBox-0="[830,1439,927,1322]" captionTargetBox-1="[164,1445,193,1802]" captionTargetBox-2="[367,1199,197,897]" captionTargetBox-3="[367,1199,1100,1757]" captionTargetBox-4="[387,1219,197,1172]" captionTargetBox-5="[389,1217,1328,1730]" captionTargetId-0="figure-438@1.[830,1439,927,1322]" captionTargetId-1="figure-0@5.[164,1445,193,1802]" captionTargetId-2="figure-0@6.[367,1199,197,897]" captionTargetId-3="figure-49@6.[367,1199,1100,1757]" captionTargetId-4="figure-0@7.[387,1219,197,1172]" captionTargetId-5="figure-67@7.[387,1219,1326,1733]" captionTargetPageId-0="1" captionTargetPageId-1="5" captionTargetPageId-2="6" captionTargetPageId-3="6" captionTargetPageId-4="7" captionTargetPageId-5="7" captionText-0="Figure 2. In-situ aggregations of the two new species of Gigantopelta gen. nov.: A, Gigantopelta chessoia sp. nov. at E2 segment, East Scotia Ridge; B, Gigantopelta aegis sp. nov. at Longqi vent field, South West Indian Ridge. Scale bars = 5 cm." captionText-1="Figure 3. A−C, Gigantopelta chessoia sp. nov., holotype (NHMUK 20150066): A, aperture view; B, umbilical view; C. aperture view; D−F, Gigantopelta aegis sp. nov., holotype (NHMUK 20150070): D, aperture view; E, umbilical view; F, aperture view. Scale bars = 1 cm. Photography by Pete Bucktrout (British Antarctic Survey)." captionText-2="Figure 4. A, B, Gigantopelta chessoia sp. nov., paratype shell (NHMUK 20150067): A, aperture view; B, abaperture view. C, D, Gigantopelta aegis sp. nov., paratype shell (NHMUK 20150071): C, aperture view; D, abaperture view. Scale bars = 1 cm. Photography by Pete Bucktrout (British Antarctic Survey)." captionText-3="Figure 5. Protoconchs: A, Gigantopelta chessoia sp. nov., scale bar = 100 μm; B, Gigantopelta aegis sp. nov., scale bar = 100 μm. Juvenile operculum: C, G. chessoia sp. nov., scale bar = 500 μm; D, G. aegis sp. nov., scale bar = 500 μm." captionText-4="Figure 6. Radula. Overview: A, Gigantopelta chessoia sp. nov.; B. Gigantopelta aegis sp. nov.; scale bars = 100 μm. Central and lateral teeth close-up: C, G. chessoia sp. nov.; D, G. aegis sp. nov.; scale bars = 20 μm. Marginal teeth close-up: E, G. chessoia sp. nov.; F. G. aegis sp. nov.; scale bars = 10 μm." captionText-5="Figure 7. Illustration of soft parts with the mantle partially removed: A, Gigantopelta chessoia sp. nov.; B, Gigantopelta aegis sp. nov. Scale bars = 1 cm. Abbreviations: ct, ctnidium; dg, digestive gland; eg, oesophageal gland; et, epipodial tentacles; f, foot; gd, gonad; ll, lateral lappet; o, operculum attachment; pc, pericardium; sn, snout; t, cephalic tentacles." figureDoi-0="http://doi.org/10.5281/zenodo.5338422" figureDoi-1="http://doi.org/10.5281/zenodo.5338424" figureDoi-2="http://doi.org/10.5281/zenodo.5338428" figureDoi-3="http://doi.org/10.5281/zenodo.5338430" figureDoi-4="http://doi.org/10.5281/zenodo.5338432" figureDoi-5="http://doi.org/10.5281/zenodo.5338436" httpUri-0="https://zenodo.org/record/5338422/files/figure.png" httpUri-1="https://zenodo.org/record/5338424/files/figure.png" httpUri-2="https://zenodo.org/record/5338428/files/figure.png" httpUri-3="https://zenodo.org/record/5338430/files/figure.png" httpUri-4="https://zenodo.org/record/5338432/files/figure.png" httpUri-5="https://zenodo.org/record/5338436/files/figure.png" pageId="4" pageNumber="323">FIGS 2–7</figureCitation>
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)
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<paragraph id="87009639FFD4FFE72C629297FB98FA61" blockId="4.[806,1421,1417,1500]" pageId="4" pageNumber="323">
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‘Peltospiroidea
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<taxonomicNameLabel id="AEF8F750FFD4FFE72C9C9294FBB5FA23" box="[984,1048,1417,1439]" pageId="4" pageNumber="323" rank="species">n. sp.</taxonomicNameLabel>
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’ –
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<bibRefCitation id="E32EEBC8FFD4FFE72B789294FA9FFA22" author="Rogers AD & Tyler PA & Connelly DP & Copley JT & James R & Larter RD & Linse K & Mills RA & Garabato AN & Pancost RD & Pearce DA & Polunin NVC & German CR & Shank T & Boersch-Supan PH & Alker BJ & Aquilina A & Bennett SA & Clarke A & Dinley RJJ & Graham AGC & Green DRH & Hawkes JA & Hepburn L & Hilario A & Huvenne VAI & Marsh L & Ramirez-Llodra E & Reid WDK & Roterman CN & Sweeting CJ & Thatje S & Zwirglmaier K" box="[1084,1330,1417,1439]" pageId="4" pageNumber="323" pagination="1001234" refId="ref10164" refString="Rogers AD, Tyler PA, Connelly DP, Copley JT, James R, Larter RD, Linse K, Mills RA, Garabato AN, Pancost RD, Pearce DA, Polunin NVC, German CR, Shank T, Boersch-Supan PH, Alker BJ, Aquilina A, Bennett SA, Clarke A, Dinley RJJ, Graham AGC, Green DRH, Hawkes JA, Hepburn L, Hilario A, Huvenne VAI, Marsh L, Ramirez-Llodra E, Reid WDK, Roterman CN, Sweeting CJ, Thatje S, Zwirglmaier K. 2012. The discovery of new deep-sea hydrothermal vent communities in the Southern Ocean and implications for biogeography. PLoS Biology 10: e 1001234." type="journal article" year="2012">
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Rogers
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<emphasis id="B5CB4A2BFFD4FFE72BD79294FB69FA23" box="[1171,1220,1417,1439]" italics="true" pageId="4" pageNumber="323">et al</emphasis>
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., 2012: 7
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</bibRefCitation>
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, fig. 3d. ‘Undescribed species of peltospiroid gastropod’ –
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<bibRefCitation id="E32EEBC8FFD4FFE72A0092B6FC6BFA61" author="Marsh L & Copley JT & Huvenne VAI & Linse K & Reid WDK & Rogers AD & Sweeting CJ & Tyler PA" pageId="4" pageNumber="323" pagination="48348" refId="ref9742" refString="Marsh L, Copley JT, Huvenne VAI, Linse K, Reid WDK, Rogers AD, Sweeting CJ, Tyler PA. 2012. Microdistribution of faunal assemblages at deep-sea hydrothermal vents in the Southern Ocean. PLoS ONE 7: e 48348." type="journal article" year="2012">
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Marsh
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<emphasis id="B5CB4A2BFFD4FFE72C6292D9FCFAFA66" box="[806,855,1478,1500]" italics="true" pageId="4" pageNumber="323">et al</emphasis>
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., 2012: 6
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</bibRefCitation>
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, fig. 5c, j.
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<emphasis id="B5CB4A2BFFD4FFE72C629117FC6EF9A0" box="[806,963,1544,1566]" italics="true" pageId="4" pageNumber="323">Type material</emphasis>
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.
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diameter
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, 99% ethanol,
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segment,
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(‘Cindy’s Castle’),
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deep, RRS
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expedition JC42, ROV
|
||
<taxonomicName id="40BFEDBAFFD4FFE72B19919DFB10F924" authority="Dive" authorityName="Dive" box="[1117,1213,1667,1689]" class="Anthozoa" family="Isididae" genus="Isis" kingdom="Animalia" order="Alcyonacea" pageId="4" pageNumber="323" phylum="Cnidaria" rank="genus">
|
||
<emphasis id="B5CB4A2BFFD4FFE72B19919DFB29F925" box="[1117,1156,1667,1688]" italics="true" pageId="4" pageNumber="323">Isis</emphasis>
|
||
Dive
|
||
</taxonomicName>
|
||
130,
|
||
<date id="F301B0F9FFD4FFE72BBD919DFAF0F924" box="[1273,1373,1667,1689]" pageId="4" pageNumber="323" value="2010-01-20">
|
||
<collectingDate id="E3454911FFD4FFE72BBD919DFAF0F924" box="[1273,1373,1667,1689]" pageId="4" pageNumber="323" value="2010-01-20">20.i.2010</collectingDate>
|
||
</date>
|
||
, leg.
|
||
<collectorName id="2A4AF3EFFFD4FFE72C6291BFFC1EF90A" box="[806,947,1697,1719]" pageId="4" pageNumber="323">A. D. Rogers</collectorName>
|
||
(
|
||
<specimenCode id="D7193E42FFD4FFE72C8691BFFB32F90A" box="[962,1183,1697,1719]" collectionCode="NHMUK" country="United Kingdom" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34665" lsid="urn:lsid:biocol.org:col:34665" name="Natural History Museum, London" pageId="4" pageNumber="323" type="Museum">NHMUK 20150066</specimenCode>
|
||
)
|
||
</materialsCitation>
|
||
.
|
||
<materialsCitation id="37D79C64FFD4FFE72BF591BCFB3FF949" ID-GBIF-Occurrence="4435320309" collectionCode="NHMUK" location="One" pageId="4" pageNumber="323" specimenCode="NHMUK 20150067" specimenCount="1" typeStatus="paratype">
|
||
<typeStatus id="5804289BFFD4FFE72BF591BCFA88F90A" box="[1201,1317,1698,1719]" pageId="4" pageNumber="323" type="paratype">Paratypes</typeStatus>
|
||
.
|
||
<location id="8260C0E2FFD4FFE72A6B91BFFAF0F90B" LSID="urn:lsid:plazi:treatment:0F16272FFFD4FFEB2C15927CFBDEF9FE:8260C0E2FFD4FFE72A6B91BFFAF0F90B" box="[1327,1373,1697,1718]" name="One" pageId="4" pageNumber="323">One</location>
|
||
dissected specimen, 99% ethanol (shell diameter
|
||
<quantity id="40473BDCFFD4FFE72A5891DEFA24F968" box="[1308,1417,1728,1749]" metricMagnitude="-2" metricUnit="m" metricValue="3.112" pageId="4" pageNumber="323" unit="mm" value="31.12">31.12 mm</quantity>
|
||
,
|
||
<figureCitation id="1F848ABCFFD4FFE72C6291C0FC31F949" box="[806,924,1758,1780]" captionStart="Figure 4" captionStartId="6.[144,223,927,946]" captionTargetBox="[367,1199,197,897]" captionTargetId="figure-0@6.[367,1199,197,897]" captionTargetPageId="6" captionText="Figure 4. A, B, Gigantopelta chessoia sp. nov., paratype shell (NHMUK 20150067): A, aperture view; B, abaperture view. C, D, Gigantopelta aegis sp. nov., paratype shell (NHMUK 20150071): C, aperture view; D, abaperture view. Scale bars = 1 cm. Photography by Pete Bucktrout (British Antarctic Survey)." figureDoi="http://doi.org/10.5281/zenodo.5338428" httpUri="https://zenodo.org/record/5338428/files/figure.png" pageId="4" pageNumber="323">Fig. 4A, B</figureCitation>
|
||
;
|
||
<specimenCode id="D7193E42FFD4FFE72CE891C1FB26F949" box="[940,1163,1758,1780]" collectionCode="NHMUK" country="United Kingdom" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34665" lsid="urn:lsid:biocol.org:col:34665" name="Natural History Museum, London" pageId="4" pageNumber="323" type="Museum">NHMUK 20150067</specimenCode>
|
||
)
|
||
</materialsCitation>
|
||
;
|
||
<materialsCitation id="37D79C64FFD4FFE72BE591C0FAB9F8AE" ID-GBIF-Occurrence="4435320310" collectionCode="NHMUK" pageId="4" pageNumber="323" specimenCode="NHMUK 20150068" specimenCount="1" typeStatus="paratype">
|
||
growth series of
|
||
<specimenCount id="91B95DB0FFD4FFE72A2191C0FC3AF8AE" pageId="4" pageNumber="323" type="generic">five specimens</specimenCount>
|
||
, 99% ethanol (
|
||
<specimenCode id="D7193E42FFD4FFE72B7291E3FAA0F8AE" box="[1078,1293,1789,1811]" collectionCode="NHMUK" country="United Kingdom" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34665" lsid="urn:lsid:biocol.org:col:34665" name="Natural History Museum, London" pageId="4" pageNumber="323" type="Museum">NHMUK 20150068</specimenCode>
|
||
)
|
||
</materialsCitation>
|
||
.
|
||
<materialsCitation id="37D79C64FFD4FFEB2A5A91E3FDB6FEA4" ID-GBIF-Occurrence="4435320304" collectingDate="2015-02-01" collectionCode="OUMNH, ZC, CAMZM, SMNH" collectorName="Type Collection" elevation="2606" lastPageId="8" lastPageNumber="327" latitude="-56.0885" location="The" longLatPrecision="10" longitude="-30.318333" municipality="Growth" pageId="4" pageNumber="323" specimenCode="NHMUK 20150069" specimenCount="4" typeStatus="paratype">
|
||
<location id="8260C0E2FFD4FFE72A5A91E3FAE5F8AE" LSID="urn:lsid:plazi:treatment:0F16272FFFD4FFEB2C15927CFBDEF9FE:8260C0E2FFD4FFE72A5A91E3FAE5F8AE" box="[1310,1352,1789,1811]" municipality="Growth" name="The" pageId="4" pageNumber="323">The</location>
|
||
above two lots have same collection data as the holotype.
|
||
<collectingMunicipality id="67640C43FFD4FFE72A789005FA20F88C" box="[1340,1421,1819,1841]" pageId="4" pageNumber="323">Growth</collectingMunicipality>
|
||
series of
|
||
<specimenCount id="91B95DB0FFD4FFE72CD29024FBE8F8ED" box="[918,1093,1850,1872]" pageId="4" pageNumber="323" type="generic">five specimens</specimenCount>
|
||
, 99% ethanol (
|
||
<collectionCode id="E1AE0EFCFFD4FFE72BBF9024FACBF8F2" box="[1275,1382,1850,1871]" pageId="4" pageNumber="323">OUMNH</collectionCode>
|
||
.
|
||
<collectionCode id="E1AE0EFCFFD4FFE72A2D9024FA20F8F2" box="[1385,1421,1850,1871]" country="Austria" name="Zoological Collection, University of Vienna" pageId="4" pageNumber="323" type="University or college">ZC</collectionCode>
|
||
.2013.02.002);
|
||
<specimenCount id="91B95DB0FFD4FFE72C8B9047FBD7F8D2" box="[975,1146,1881,1903]" pageId="4" pageNumber="323" type="generic">two specimens</specimenCount>
|
||
, 99% ethanol (
|
||
<collectionCode id="E1AE0EFCFFD4FFE72A6F9047FA20F8D3" box="[1323,1421,1881,1902]" country="United Kingdom" httpUri="http://grbio.org/cool/2td2-qsp1" name="University Museum of Zoology, Cambridge" pageId="4" pageNumber="323">CAMZM</collectionCode>
|
||
<date id="F301B0F9FFD8FFEB2FD497D8FF43FF61" box="[144,238,198,220]" pageId="8" pageNumber="327" value="2015-02-01">
|
||
<collectingDate id="E3454911FFD8FFEB2FD497D8FF43FF61" box="[144,238,198,220]" pageId="8" pageNumber="327" value="2015-02-01">2015.2.1</collectingDate>
|
||
</date>
|
||
-2); growth series of
|
||
<specimenCount id="91B95DB0FFD8FFEB2E8297D8FDCBFF61" box="[454,614,198,220]" pageId="8" pageNumber="327" type="generic">five specimens</specimenCount>
|
||
, 99% ethanol (
|
||
<collectionCode id="E1AE0EFCFFD8FFEB2FD397FBFF48FF47" box="[151,229,229,250]" country="Sweden" httpUri="http://grbio.org/cool/8z6v-f8is" name="Department of Paleozoology, Swedish Museum of Natural History" pageId="8" pageNumber="327">SMNH</collectionCode>
|
||
<collectorName id="2A4AF3EFFFD8FFEB2FAF97FBFE3EFF47" box="[235,403,228,250]" pageId="8" pageNumber="327">Type Collection</collectorName>
|
||
8450);
|
||
<specimenCount id="91B95DB0FFD8FFEB2EA797FAFD2EFF47" box="[483,643,228,250]" pageId="8" pageNumber="327" type="generic">five specimens</specimenCount>
|
||
, 10% buffered formalin (
|
||
<specimenCode id="D7193E42FFD8FFEB2E73961DFDB9FEA4" box="[311,532,259,281]" collectionCode="NHMUK" country="United Kingdom" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34665" lsid="urn:lsid:biocol.org:col:34665" name="Natural History Museum, London" pageId="8" pageNumber="327" type="Museum">NHMUK 20150069</specimenCode>
|
||
)
|
||
</materialsCitation>
|
||
.
|
||
<materialsCitation id="37D79C64FFD8FFEB2D63961DFE67FE2E" ID-GBIF-Occurrence="4435320308" collectingDate="2010-01-24" collectorName="Cindy's Castle' & A. D. Rogers." county="James Cook" elevation="2644" latitude="-56.089" location="Collection" longLatPrecision="10" longitude="-30.317833" municipality="East Scotia Ridge" pageId="8" pageNumber="327" specimenCount="1" typeStatus="paratype">
|
||
<location id="8260C0E2FFD8FFEB2D63961DFD38FEA4" LSID="urn:lsid:plazi:treatment:0F16272FFFD4FFEB2C15927CFBDEF9FE:8260C0E2FFD8FFEB2D63961DFD38FEA4" box="[551,661,259,281]" county="James Cook" latitude="-56.089" longLatPrecision="10" longitude="-30.317833" municipality="East Scotia Ridge" name="Collection" pageId="8" pageNumber="327">Collection</location>
|
||
data for the latter three lots: E2 segment,
|
||
<collectingMunicipality id="67640C43FFD8FFEB2D66963CFD5FFE85" box="[546,754,290,312]" pageId="8" pageNumber="327">East Scotia Ridge</collectingMunicipality>
|
||
,
|
||
<geoCoordinate id="E28BF0FEFFD8FFEB2FD4965EFEA8FEE8" box="[144,261,320,342]" degrees="56" direction="south" minutes="05.34" orientation="latitude" pageId="8" pageNumber="327" precision="9" value="-56.089">56°05.34′S</geoCoordinate>
|
||
,
|
||
<geoCoordinate id="E28BF0FEFFD8FFEB2E55965EFE20FEEB" box="[273,397,320,342]" degrees="30" direction="west" minutes="19.07" orientation="longitude" pageId="8" pageNumber="327" precision="9" value="-30.317833">30°19.07′W</geoCoordinate>
|
||
(‘
|
||
<collectorName id="2A4AF3EFFFD8FFEB2EE4965EFDEBFEEB" box="[416,582,320,342]" pageId="8" pageNumber="327">Cindy’s Castle’</collectorName>
|
||
), depth
|
||
<quantity id="40473BDCFFD8FFEB2DDB965EFD5FFEEB" box="[671,754,320,342]" metricMagnitude="3" metricUnit="m" metricValue="2.6439999999999997" pageId="8" pageNumber="327" unit="m" value="2644.0">
|
||
<elevation id="0C92710AFFD8FFEB2DDB965EFD5FFEEB" box="[671,754,320,342]" metricMagnitude="3" metricUnit="m" metricValue="2.6439999999999997" pageId="8" pageNumber="327" unit="m" value="2644.0">2644 m</elevation>
|
||
</quantity>
|
||
, RRS
|
||
<emphasis id="B5CB4A2BFFD8FFEB2F8E9641FEFEFEC9" box="[202,339,351,372]" italics="true" pageId="8" pageNumber="327">
|
||
<collectingCounty id="6E61EEB5FFD8FFEB2F8E9641FEFEFEC9" box="[202,339,351,372]" pageId="8" pageNumber="327">James Cook</collectingCounty>
|
||
</emphasis>
|
||
expedition JC42, ROV
|
||
<taxonomicName id="40BFEDBAFFD8FFEB2D189641FD12FEC8" authority="Dive" authorityName="Dive" box="[604,703,351,373]" class="Anthozoa" family="Isididae" genus="Isis" kingdom="Animalia" order="Alcyonacea" pageId="8" pageNumber="327" phylum="Cnidaria" rank="genus">
|
||
<emphasis id="B5CB4A2BFFD8FFEB2D189641FD29FEC9" box="[604,644,351,372]" italics="true" pageId="8" pageNumber="327">Isis</emphasis>
|
||
Dive
|
||
</taxonomicName>
|
||
134,
|
||
<date id="F301B0F9FFD8FFEB2FD49663FF5AFE2E" box="[144,247,381,403]" pageId="8" pageNumber="327" value="2010-01-24">
|
||
<collectingDate id="E3454911FFD8FFEB2FD49663FF5AFE2E" box="[144,247,381,403]" pageId="8" pageNumber="327" value="2010-01-24">24.i.2010</collectingDate>
|
||
</date>
|
||
, leg.
|
||
<collectorName id="2A4AF3EFFFD8FFEB2E779660FE67FE2E" box="[307,458,382,403]" pageId="8" pageNumber="327">A. D. Rogers.</collectorName>
|
||
</materialsCitation>
|
||
</paragraph>
|
||
<caption id="D3C0C6B1FFD5FFE62FE09036FB0CF8CB" ID-DOI="http://doi.org/10.5281/zenodo.5338424" ID-Zenodo-Dep="5338424" httpUri="https://zenodo.org/record/5338424/files/figure.png" pageId="5" pageNumber="324" startId="5.[164,243,1832,1851]" targetBox="[164,1445,193,1802]" targetPageId="5">
|
||
<paragraph id="87009639FFD5FFE62FE09036FB0CF8CB" blockId="5.[164,1442,1832,1910]" pageId="5" pageNumber="324">
|
||
<emphasis id="B5CB4A2BFFD5FFE62FE09036FEA1F886" bold="true" box="[164,268,1832,1851]" pageId="5" pageNumber="324">Figure 3.</emphasis>
|
||
A−C,
|
||
<emphasis id="B5CB4A2BFFD5FFE62E129036FD13F886" bold="true" box="[342,702,1832,1851]" pageId="5" pageNumber="324">
|
||
<taxonomicName id="40BFEDBAFFD5FFE62E129036FDF6F886" authority="Chen & Linse & Roterman & Copley & Rogers, 2015" authorityName="Chen & Linse & Roterman & Copley & Rogers" authorityYear="2015" box="[342,603,1832,1851]" class="Gastropoda" family="Peltospiridae" genus="Gigantopelta" kingdom="Animalia" order="Neomphalida" pageId="5" pageNumber="324" phylum="Mollusca" rank="species" species="chessoia" status="sp. nov.">
|
||
<emphasis id="B5CB4A2BFFD5FFE62E129036FDF6F886" bold="true" box="[342,603,1832,1851]" italics="true" pageId="5" pageNumber="324">Gigantopelta chessoia</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="AEF8F750FFD5FFE62D209036FD13F886" box="[612,702,1832,1851]" pageId="5" pageNumber="324" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
, holotype (NHMUK 20150066): A, aperture view; B, umbilical view; C. aperture view; D−F,
|
||
<emphasis id="B5CB4A2BFFD5FFE62EDE905BFD79F8E5" bold="true" box="[410,724,1861,1880]" pageId="5" pageNumber="324">
|
||
<taxonomicName id="40BFEDBAFFD5FFE62EDE905BFDDBF8E5" authority="Chen & Linse & Roterman & Copley & Rogers, 2015" authorityName="Chen & Linse & Roterman & Copley & Rogers" authorityYear="2015" box="[410,630,1861,1880]" class="Gastropoda" family="Peltospiridae" genus="Gigantopelta" kingdom="Animalia" order="Neomphalida" pageId="5" pageNumber="324" phylum="Mollusca" rank="species" species="aegis" status="sp. nov.">
|
||
<emphasis id="B5CB4A2BFFD5FFE62EDE905BFDDBF8E5" bold="true" box="[410,630,1861,1880]" italics="true" pageId="5" pageNumber="324">Gigantopelta aegis</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="AEF8F750FFD5FFE62D39905BFD79F8E5" box="[637,724,1861,1880]" pageId="5" pageNumber="324" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
, holotype (NHMUK 20150070): D, aperture view; E, umbilical view; F, aperture view. Scale bars = 1 cm. Photography by Pete Bucktrout (British Antarctic Survey).
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="D3C0C6B1FFD6FFE52FD49481FC7DFC50" ID-DOI="http://doi.org/10.5281/zenodo.5338428" ID-Zenodo-Dep="5338428" httpUri="https://zenodo.org/record/5338428/files/figure.png" pageId="6" pageNumber="325" startId="6.[144,223,927,946]" targetBox="[367,1199,197,897]" targetPageId="6">
|
||
<paragraph id="87009639FFD6FFE52FD49481FC7DFC50" blockId="6.[144,1422,927,1005]" pageId="6" pageNumber="325">
|
||
<emphasis id="B5CB4A2BFFD6FFE52FD49481FF55FC0F" bold="true" box="[144,248,927,946]" pageId="6" pageNumber="325">Figure 4.</emphasis>
|
||
A, B,
|
||
<emphasis id="B5CB4A2BFFD6FFE52E059481FD09FC0F" bold="true" box="[321,676,927,946]" pageId="6" pageNumber="325">
|
||
<taxonomicName id="40BFEDBAFFD6FFE52E059481FDE9FC0F" authority="Chen & Linse & Roterman & Copley & Rogers, 2015" authorityName="Chen & Linse & Roterman & Copley & Rogers" authorityYear="2015" box="[321,580,927,946]" class="Gastropoda" family="Peltospiridae" genus="Gigantopelta" kingdom="Animalia" order="Neomphalida" pageId="6" pageNumber="325" phylum="Mollusca" rank="species" species="chessoia" status="sp. nov.">
|
||
<emphasis id="B5CB4A2BFFD6FFE52E059481FDE9FC0F" bold="true" box="[321,580,927,946]" italics="true" pageId="6" pageNumber="325">Gigantopelta chessoia</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="AEF8F750FFD6FFE52D089481FD09FC0F" box="[588,676,927,946]" pageId="6" pageNumber="325" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
, paratype shell (NHMUK 20150067): A, aperture view; B, abaperture view. C, D,
|
||
<emphasis id="B5CB4A2BFFD6FFE52E5494A2FDF9FC6D" bold="true" box="[272,596,956,976]" pageId="6" pageNumber="325">
|
||
<taxonomicName id="40BFEDBAFFD6FFE52E5494A2FE5DFC6D" authority="Chen & Linse & Roterman & Copley & Rogers, 2015" authorityName="Chen & Linse & Roterman & Copley & Rogers" authorityYear="2015" box="[272,496,956,976]" class="Gastropoda" family="Peltospiridae" genus="Gigantopelta" kingdom="Animalia" order="Neomphalida" pageId="6" pageNumber="325" phylum="Mollusca" rank="species" species="aegis" status="sp. nov.">
|
||
<emphasis id="B5CB4A2BFFD6FFE52E5494A2FE5DFC6D" bold="true" box="[272,496,956,976]" italics="true" pageId="6" pageNumber="325">Gigantopelta aegis</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="AEF8F750FFD6FFE52EBE94A3FDF9FC6D" box="[506,596,957,976]" pageId="6" pageNumber="325" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
, paratype shell (NHMUK 20150071): C, aperture view; D, abaperture view. Scale bars = 1 cm. Photography by Pete Bucktrout (British Antarctic Survey).
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="D3C0C6B1FFD6FFE52FD491E5FA23F896" ID-DOI="http://doi.org/10.5281/zenodo.5338430" ID-Zenodo-Dep="5338430" httpUri="https://zenodo.org/record/5338430/files/figure.png" pageId="6" pageNumber="325" startId="6.[144,223,1787,1806]" targetBox="[367,1199,1100,1757]" targetPageId="6">
|
||
<paragraph id="87009639FFD6FFE52FD491E5FA23F896" blockId="6.[144,1422,1786,1835]" pageId="6" pageNumber="325">
|
||
<emphasis id="B5CB4A2BFFD6FFE52FD491E5FF55F8B3" bold="true" box="[144,248,1787,1806]" pageId="6" pageNumber="325">Figure 5.</emphasis>
|
||
Protoconchs: A,
|
||
<emphasis id="B5CB4A2BFFD6FFE52EE891E4FCA2F8B3" bold="true" box="[428,783,1786,1806]" pageId="6" pageNumber="325">
|
||
<taxonomicName id="40BFEDBAFFD6FFE52EE891E4FD1DF8B0" authority="Chen & Linse & Roterman & Copley & Rogers, 2015" authorityName="Chen & Linse & Roterman & Copley & Rogers" authorityYear="2015" box="[428,688,1786,1805]" class="Gastropoda" family="Peltospiridae" genus="Gigantopelta" kingdom="Animalia" order="Neomphalida" pageId="6" pageNumber="325" phylum="Mollusca" rank="species" species="chessoia" status="sp. nov.">
|
||
<emphasis id="B5CB4A2BFFD6FFE52EE891E4FD1DF8B0" bold="true" box="[428,688,1786,1805]" italics="true" pageId="6" pageNumber="325">Gigantopelta chessoia</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="AEF8F750FFD6FFE52DF391E5FCA2F8B3" box="[695,783,1787,1806]" pageId="6" pageNumber="325" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
, scale bar = 100 μm; B,
|
||
<emphasis id="B5CB4A2BFFD6FFE52B4B91E4FAE1F8B3" bold="true" box="[1039,1356,1786,1806]" pageId="6" pageNumber="325">
|
||
<taxonomicName id="40BFEDBAFFD6FFE52B4B91E4FB41F8B3" authority="Chen & Linse & Roterman & Copley & Rogers, 2015" authorityName="Chen & Linse & Roterman & Copley & Rogers" authorityYear="2015" box="[1039,1260,1786,1806]" class="Gastropoda" family="Peltospiridae" genus="Gigantopelta" kingdom="Animalia" order="Neomphalida" pageId="6" pageNumber="325" phylum="Mollusca" rank="species" species="aegis" status="sp. nov.">
|
||
<emphasis id="B5CB4A2BFFD6FFE52B4B91E4FB41F8B3" bold="true" box="[1039,1260,1786,1806]" italics="true" pageId="6" pageNumber="325">Gigantopelta aegis</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="AEF8F750FFD6FFE52BB091E5FAE1F8B3" box="[1268,1356,1787,1806]" pageId="6" pageNumber="325" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
, scale bar = 100 μm. Juvenile operculum: C,
|
||
<emphasis id="B5CB4A2BFFD6FFE52D649006FD53F896" bold="true" box="[544,766,1816,1835]" pageId="6" pageNumber="325">
|
||
<taxonomicName id="40BFEDBAFFD6FFE52D649006FD0DF896" authority="Chen & Linse & Roterman & Copley & Rogers, 2015" authorityName="Chen & Linse & Roterman & Copley & Rogers" authorityYear="2015" box="[544,672,1816,1835]" class="Gastropoda" family="Peltospiridae" genus="Gigantopelta" kingdom="Animalia" order="Neomphalida" pageId="6" pageNumber="325" phylum="Mollusca" rank="species" species="chessoia" status="sp. nov.">
|
||
<emphasis id="B5CB4A2BFFD6FFE52D649006FD0DF896" bold="true" box="[544,672,1816,1835]" italics="true" pageId="6" pageNumber="325">G. chessoia</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="AEF8F750FFD6FFE52DEC9006FD53F896" box="[680,766,1816,1835]" pageId="6" pageNumber="325" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
, scale bar = 500 μm; D,
|
||
<emphasis id="B5CB4A2BFFD6FFE52CB99006FB1BF896" bold="true" box="[1021,1206,1816,1835]" pageId="6" pageNumber="325">
|
||
<taxonomicName id="40BFEDBAFFD6FFE52CB99006FBF5F896" authority="Chen & Linse & Roterman & Copley & Rogers, 2015" authorityName="Chen & Linse & Roterman & Copley & Rogers" authorityYear="2015" box="[1021,1112,1816,1835]" class="Gastropoda" family="Peltospiridae" genus="Gigantopelta" kingdom="Animalia" order="Neomphalida" pageId="6" pageNumber="325" phylum="Mollusca" rank="species" species="aegis" status="sp. nov.">
|
||
<emphasis id="B5CB4A2BFFD6FFE52CB99006FBF5F896" bold="true" box="[1021,1112,1816,1835]" italics="true" pageId="6" pageNumber="325">G. aegis</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="AEF8F750FFD6FFE52B1B9006FB1BF896" box="[1119,1206,1816,1835]" pageId="6" pageNumber="325" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
, scale bar = 500 μm.
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="D3C0C6B1FFD7FFE42FE093AFFC63FB42" ID-DOI="http://doi.org/10.5281/zenodo.5338432" ID-Zenodo-Dep="5338432" httpUri="https://zenodo.org/record/5338432/files/figure.png" pageId="7" pageNumber="326" startId="7.[164,242,1201,1220]" targetBox="[387,1219,197,1172]" targetPageId="7">
|
||
<paragraph id="87009639FFD7FFE42FE093AFFC63FB42" blockId="7.[164,1442,1201,1279]" pageId="7" pageNumber="326">
|
||
<emphasis id="B5CB4A2BFFD7FFE42FE093AFFEA6FB79" bold="true" box="[164,267,1201,1220]" pageId="7" pageNumber="326">Figure 6.</emphasis>
|
||
<taxonomicName id="40BFEDBAFFD7FFE42E5293AFFEC9FB79" box="[278,356,1201,1220]" class="Jungermanniopsida" family="Radulaceae" genus="Radula" kingdom="Plantae" order="Porellales" pageId="7" pageNumber="329" phylum="Marchantiophyta" rank="genus">Radula</taxonomicName>
|
||
. Overview: A,
|
||
<emphasis id="B5CB4A2BFFD7FFE42EB893AFFCF6FB78" bold="true" box="[508,859,1201,1221]" pageId="7" pageNumber="326">
|
||
<taxonomicName id="40BFEDBAFFD7FFE42EB893AFFD51FB79" authority="Chen & Linse & Roterman & Copley & Rogers, 2015" authorityName="Chen & Linse & Roterman & Copley & Rogers" authorityYear="2015" box="[508,764,1201,1220]" class="Gastropoda" family="Peltospiridae" genus="Gigantopelta" kingdom="Animalia" order="Neomphalida" pageId="7" pageNumber="326" phylum="Mollusca" rank="species" species="chessoia" status="sp. nov.">
|
||
<emphasis id="B5CB4A2BFFD7FFE42EB893AFFD51FB79" bold="true" box="[508,764,1201,1220]" italics="true" pageId="7" pageNumber="326">Gigantopelta chessoia</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="AEF8F750FFD7FFE42C4093ACFCF6FB78" box="[772,859,1202,1221]" pageId="7" pageNumber="326" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
; B.
|
||
<emphasis id="B5CB4A2BFFD7FFE42CC293AFFB6DFB78" bold="true" box="[902,1216,1201,1221]" pageId="7" pageNumber="326">
|
||
<taxonomicName id="40BFEDBAFFD7FFE42CC293AFFBCFFB79" authority="Chen & Linse & Roterman & Copley & Rogers, 2015" authorityName="Chen & Linse & Roterman & Copley & Rogers" authorityYear="2015" box="[902,1122,1201,1220]" class="Gastropoda" family="Peltospiridae" genus="Gigantopelta" kingdom="Animalia" order="Neomphalida" pageId="7" pageNumber="326" phylum="Mollusca" rank="species" species="aegis" status="sp. nov.">
|
||
<emphasis id="B5CB4A2BFFD7FFE42CC293AFFBCFFB79" bold="true" box="[902,1122,1201,1220]" italics="true" pageId="7" pageNumber="326">Gigantopelta aegis</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="AEF8F750FFD7FFE42B2D93ACFB6DFB78" box="[1129,1216,1202,1221]" pageId="7" pageNumber="326" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
; scale bars = 100 μm. Central and lateral teeth close-up: C,
|
||
<emphasis id="B5CB4A2BFFD7FFE42D0093D1FC84FB5F" bold="true" box="[580,809,1230,1250]" pageId="7" pageNumber="326">
|
||
<taxonomicName id="40BFEDBAFFD7FFE42D0093D1FD68FB5C" authority="Chen & Linse & Roterman & Copley & Rogers, 2015" authorityName="Chen & Linse & Roterman & Copley & Rogers" authorityYear="2015" box="[580,709,1230,1250]" class="Gastropoda" family="Peltospiridae" genus="Gigantopelta" kingdom="Animalia" order="Neomphalida" pageId="7" pageNumber="326" phylum="Mollusca" rank="species" species="chessoia" status="sp. nov.">
|
||
<emphasis id="B5CB4A2BFFD7FFE42D0093D1FD68FB5C" bold="true" box="[580,709,1230,1250]" italics="true" pageId="7" pageNumber="326">G. chessoia</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="AEF8F750FFD7FFE42D8B93D1FC84FB5F" box="[719,809,1231,1250]" pageId="7" pageNumber="326" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
; D,
|
||
<emphasis id="B5CB4A2BFFD7FFE42C1F93D1FBB7FB5F" bold="true" box="[859,1050,1231,1250]" pageId="7" pageNumber="326">
|
||
<taxonomicName id="40BFEDBAFFD7FFE42C1F93D1FC1BFB5F" authority="Chen & Linse & Roterman & Copley & Rogers, 2015" authorityName="Chen & Linse & Roterman & Copley & Rogers" authorityYear="2015" box="[859,950,1231,1250]" class="Gastropoda" family="Peltospiridae" genus="Gigantopelta" kingdom="Animalia" order="Neomphalida" pageId="7" pageNumber="326" phylum="Mollusca" rank="species" species="aegis" status="sp. nov.">
|
||
<emphasis id="B5CB4A2BFFD7FFE42C1F93D1FC1BFB5F" bold="true" box="[859,950,1231,1250]" italics="true" pageId="7" pageNumber="326">G. aegis</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="AEF8F750FFD7FFE42C8493D1FBB7FB5F" box="[960,1050,1231,1250]" pageId="7" pageNumber="326" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
; scale bars = 20 μm. Marginal teeth close-up: E,
|
||
<emphasis id="B5CB4A2BFFD7FFE42E6393F2FDA6FB42" bold="true" box="[295,523,1260,1279]" pageId="7" pageNumber="326">
|
||
<taxonomicName id="40BFEDBAFFD7FFE42E6393F2FE04FB42" authority="Chen & Linse & Roterman & Copley & Rogers, 2015" authorityName="Chen & Linse & Roterman & Copley & Rogers" authorityYear="2015" box="[295,425,1260,1279]" class="Gastropoda" family="Peltospiridae" genus="Gigantopelta" kingdom="Animalia" order="Neomphalida" pageId="7" pageNumber="326" phylum="Mollusca" rank="species" species="chessoia" status="sp. nov.">
|
||
<emphasis id="B5CB4A2BFFD7FFE42E6393F2FE04FB42" bold="true" box="[295,425,1260,1279]" italics="true" pageId="7" pageNumber="326">G. chessoia</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="AEF8F750FFD7FFE42EF693F2FDA6FB42" box="[434,523,1260,1279]" pageId="7" pageNumber="326" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
; F.
|
||
<emphasis id="B5CB4A2BFFD7FFE42D7293F2FD5EFB42" bold="true" box="[566,755,1260,1279]" pageId="7" pageNumber="326">
|
||
<taxonomicName id="40BFEDBAFFD7FFE42D7293F2FD3CFB42" authority="Chen & Linse & Roterman & Copley & Rogers, 2015" authorityName="Chen & Linse & Roterman & Copley & Rogers" authorityYear="2015" box="[566,657,1260,1279]" class="Gastropoda" family="Peltospiridae" genus="Gigantopelta" kingdom="Animalia" order="Neomphalida" pageId="7" pageNumber="326" phylum="Mollusca" rank="species" species="aegis" status="sp. nov.">
|
||
<emphasis id="B5CB4A2BFFD7FFE42D7293F2FD3CFB42" bold="true" box="[566,657,1260,1279]" italics="true" pageId="7" pageNumber="326">G. aegis</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="AEF8F750FFD7FFE42DDE93F2FD5EFB42" box="[666,755,1260,1279]" pageId="7" pageNumber="326" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
; scale bars = 10 μm.
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="D3C0C6B1FFD7FFE42FE091FCFA0FF88D" ID-DOI="http://doi.org/10.5281/zenodo.5338436" ID-Zenodo-Dep="5338436" httpUri="https://zenodo.org/record/5338436/files/figure.png" pageId="7" pageNumber="326" startId="7.[164,240,1762,1781]" targetBox="[389,1217,1328,1730]" targetPageId="7">
|
||
<paragraph id="87009639FFD7FFE42FE091FCFA0FF88D" blockId="7.[164,1442,1762,1840]" pageId="7" pageNumber="326">
|
||
<emphasis id="B5CB4A2BFFD7FFE42FE091FCFEA5F948" bold="true" box="[164,264,1762,1781]" pageId="7" pageNumber="326">Figure 7.</emphasis>
|
||
Illustration of soft parts with the mantle partially removed: A,
|
||
<emphasis id="B5CB4A2BFFD7FFE42CD591FCFB48F948" bold="true" box="[913,1253,1762,1781]" pageId="7" pageNumber="326">
|
||
<taxonomicName id="40BFEDBAFFD7FFE42CD591FCFB26F948" authority="Chen & Linse & Roterman & Copley & Rogers, 2015" authorityName="Chen & Linse & Roterman & Copley & Rogers" authorityYear="2015" box="[913,1163,1762,1781]" class="Gastropoda" family="Peltospiridae" genus="Gigantopelta" kingdom="Animalia" order="Neomphalida" pageId="7" pageNumber="326" phylum="Mollusca" rank="species" species="chessoia" status="sp. nov.">
|
||
<emphasis id="B5CB4A2BFFD7FFE42CD591FCFB26F948" bold="true" box="[913,1163,1762,1781]" italics="true" pageId="7" pageNumber="326">Gigantopelta chessoia</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="AEF8F750FFD7FFE42BD591FCFB48F948" box="[1169,1253,1762,1781]" pageId="7" pageNumber="326" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
; B,
|
||
<emphasis id="B5CB4A2BFFD7FFE42A4A91FCFEEEF8AE" bold="true" pageId="7" pageNumber="326">
|
||
<taxonomicName id="40BFEDBAFFD7FFE42A4A91FCFF4DF8AF" authority="Chen & Linse & Roterman & Copley & Rogers, 2015" authorityName="Chen & Linse & Roterman & Copley & Rogers" authorityYear="2015" class="Gastropoda" family="Peltospiridae" genus="Gigantopelta" kingdom="Animalia" order="Neomphalida" pageId="7" pageNumber="326" phylum="Mollusca" rank="species" species="aegis" status="sp. nov.">
|
||
<emphasis id="B5CB4A2BFFD7FFE42A4A91FCFF4DF8AF" bold="true" italics="true" pageId="7" pageNumber="326">Gigantopelta aegis</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="AEF8F750FFD7FFE42FAE901EFEEEF8AE" box="[234,323,1792,1811]" pageId="7" pageNumber="326" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
Scale bars = 1 cm. Abbreviations: ct, ctnidium; dg, digestive gland; eg, oesophageal gland; et, epipodial tentacles; f, foot; gd, gonad; ll, lateral lappet; o, operculum attachment; pc, pericardium; sn, snout; t, cephalic tentacles.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="87009639FFD8FFEB2FD496ADFE03FE75" blockId="8.[144,760,435,671]" box="[144,430,435,456]" pageId="8" pageNumber="327">
|
||
<emphasis id="B5CB4A2BFFD8FFEB2FD496ADFE03FE75" box="[144,430,435,456]" italics="true" pageId="8" pageNumber="327">Other material examined</emphasis>
|
||
</paragraph>
|
||
<paragraph id="87009639FFD8FFEB2FD496CFFD55FD23" blockId="8.[144,760,435,671]" pageId="8" pageNumber="327">
|
||
Approximately
|
||
<specimenCount id="91B95DB0FFD8FFEB2E7896CFFE72FE5A" box="[316,479,465,487]" pageId="8" pageNumber="327" type="generic">200 specimens</specimenCount>
|
||
collected on RRS
|
||
<emphasis id="B5CB4A2BFFD8FFEB2DEA96CCFF6AFDB8" italics="true" pageId="8" pageNumber="327">James Cook</emphasis>
|
||
expedition JC42 with ROV
|
||
<taxonomicName id="40BFEDBAFFD8FFEB2EB996EEFD89FDB8" box="[509,548,496,517]" class="Anthozoa" family="Isididae" genus="Isis" kingdom="Animalia" order="Alcyonacea" pageId="8" pageNumber="327" phylum="Cnidaria" rank="genus">
|
||
<emphasis id="B5CB4A2BFFD8FFEB2EB996EEFD89FDB8" box="[509,548,496,517]" italics="true" pageId="8" pageNumber="327">Isis</emphasis>
|
||
</taxonomicName>
|
||
, on dives 130, 134, and 141. Collection data for dive 130: same as
|
||
<typeStatus id="5804289BFFD8FFEB2DD79510FD5FFD99" box="[659,754,526,548]" pageId="8" pageNumber="327" type="holotype">holotype</typeStatus>
|
||
; dive 134: same as listed for
|
||
<typeStatus id="5804289BFFD8FFEB2E979533FD9BFDFF" box="[467,566,557,578]" pageId="8" pageNumber="327" type="paratype">paratype</typeStatus>
|
||
series; dive 141: E9 segment, East Scotia Ridge,
|
||
<geoCoordinate id="E28BF0FEFFD8FFEB2EB29555FDC1FDDC" box="[502,620,587,609]" degrees="60" direction="south" minutes="02.81" orientation="latitude" pageId="8" pageNumber="327" precision="9" value="-60.046833">60°02.81′S</geoCoordinate>
|
||
,
|
||
<geoCoordinate id="E28BF0FEFFD8FFEB2D3D9555FD5BFDDC" box="[633,758,587,609]" degrees="29" direction="west" minutes="58.71" orientation="longitude" pageId="8" pageNumber="327" precision="9" value="-29.9785">29°58.71′W</geoCoordinate>
|
||
(‘Marsh Tower’), depth
|
||
<quantity id="40473BDCFFD8FFEB2EC79574FE78FD3D" box="[387,469,618,640]" metricMagnitude="3" metricUnit="m" metricValue="2.394" pageId="8" pageNumber="327" unit="m" value="2394.0">2394 m</quantity>
|
||
, RRS
|
||
<emphasis id="B5CB4A2BFFD8FFEB2D5D9575FD0DFDC2" box="[537,672,618,640]" italics="true" pageId="8" pageNumber="327">James Cook</emphasis>
|
||
expedition JC42, ROV
|
||
<taxonomicName id="40BFEDBAFFD8FFEB2E7A9597FE31FD22" authority="Dive" authorityName="Dive" box="[318,412,649,671]" class="Anthozoa" family="Isididae" genus="Isis" kingdom="Animalia" order="Alcyonacea" pageId="8" pageNumber="327" phylum="Cnidaria" rank="genus">
|
||
<emphasis id="B5CB4A2BFFD8FFEB2E7A9597FEC9FD23" box="[318,356,649,670]" italics="true" pageId="8" pageNumber="327">Isis</emphasis>
|
||
Dive
|
||
</taxonomicName>
|
||
141,
|
||
<date id="F301B0F9FFD8FFEB2E929597FD9AFD22" box="[470,567,649,671]" pageId="8" pageNumber="327" value="2010-01-30">30.i.2010</date>
|
||
, leg. A. D. Rogers.
|
||
</paragraph>
|
||
<paragraph id="87009639FFD8FFEB2FD495A1FEAAFD69" blockId="8.[144,759,703,909]" box="[144,263,703,724]" pageId="8" pageNumber="327">
|
||
<emphasis id="B5CB4A2BFFD8FFEB2FD495A1FEAAFD69" box="[144,263,703,724]" italics="true" pageId="8" pageNumber="327">Etymology</emphasis>
|
||
</paragraph>
|
||
<paragraph id="87009639FFD8FFEB2FD495C0FD8EFC30" blockId="8.[144,759,703,909]" pageId="8" pageNumber="327">
|
||
The species is named after the ChEsSo (Chemosynthetically-driven ecosystems south of the Polar Front: biogeography and ecology) Consortium (Natural Environment Research Council (
|
||
<collectionCode id="E1AE0EFCFFD8FFEB2D199424FD0BFCED" box="[605,678,826,848]" pageId="8" pageNumber="327">NERC</collectionCode>
|
||
) Grant NE/DO
|
||
<date id="F301B0F9FFD8FFEB2FA19446FE92FCD3" box="[229,319,856,878]" pageId="8" pageNumber="327" value="1249-10-01">1249X/1</date>
|
||
), which led to the discovery of ESR hydrothermal vents and this species.
|
||
</paragraph>
|
||
<paragraph id="87009639FFD8FFEB2FD494B2FEECFC42" blockId="8.[144,759,940,1023]" pageId="8" pageNumber="327">
|
||
<emphasis id="B5CB4A2BFFD8FFEB2FD494B2FED0FC7F" box="[144,381,940,962]" italics="true" pageId="8" pageNumber="327">Zoobank registration</emphasis>
|
||
<uri id="F32E9A3BFFD8FFEB2FD494D4FEECFC42" pageId="8" pageNumber="327">
|
||
urn:lsid:zoobank.org:act:
|
||
<uuid id="F319ACECFFD8FFEB2EE494D4FEECFC42" pageId="8" pageNumber="327">D46EB848-506D-45B7-8D05- 35535592BD1E</uuid>
|
||
</uri>
|
||
</paragraph>
|
||
<paragraph id="87009639FFD8FFEB2FD49301FE3DFB89" blockId="8.[144,759,1055,1902]" box="[144,400,1055,1076]" pageId="8" pageNumber="327">
|
||
<emphasis id="B5CB4A2BFFD8FFEB2FD49301FE3DFB89" box="[144,400,1055,1076]" italics="true" pageId="8" pageNumber="327">Description/Diagnosis</emphasis>
|
||
</paragraph>
|
||
<paragraph id="87009639FFD8FFEB2FD49323FF5AF981" blockId="8.[144,759,1055,1902]" pageId="8" pageNumber="327">
|
||
<emphasis id="B5CB4A2BFFD8FFEB2FD49323FF7CFBEF" box="[144,209,1085,1106]" italics="true" pageId="8" pageNumber="327">Shell:</emphasis>
|
||
Shell (
|
||
<figureCitation id="1F848ABCFFD8FFEB2E629323FE35FBEE" box="[294,408,1085,1107]" captionStart="Figure 4" captionStartId="6.[144,223,927,946]" captionTargetBox="[367,1199,197,897]" captionTargetId="figure-0@6.[367,1199,197,897]" captionTargetPageId="6" captionText="Figure 4. A, B, Gigantopelta chessoia sp. nov., paratype shell (NHMUK 20150067): A, aperture view; B, abaperture view. C, D, Gigantopelta aegis sp. nov., paratype shell (NHMUK 20150071): C, aperture view; D, abaperture view. Scale bars = 1 cm. Photography by Pete Bucktrout (British Antarctic Survey)." figureDoi="http://doi.org/10.5281/zenodo.5338428" httpUri="https://zenodo.org/record/5338428/files/figure.png" pageId="8" pageNumber="327">Fig. 4A, B</figureCitation>
|
||
) globose, three to four whorls, coiled tightly with a deep suture. Spire depressed. Aperture roughly circular, very large. Ratio of shell diameter to aperture length approximately 1:0.633 (average of
|
||
<specimenCount id="91B95DB0FFD8FFEB2FF593A6FECAFB70" box="[177,359,1207,1229]" pageId="8" pageNumber="327" type="generic">100 specimens</specimenCount>
|
||
). Shell trochiform to neritiform, holostomous. Protoconch (
|
||
<figureCitation id="1F848ABCFFD8FFEB2EEF93C8FE57FB51" box="[427,506,1238,1260]" captionStart="Figure 5" captionStartId="6.[144,223,1787,1806]" captionTargetBox="[367,1199,1100,1757]" captionTargetId="figure-49@6.[367,1199,1100,1757]" captionTargetPageId="6" captionText="Figure 5. Protoconchs: A, Gigantopelta chessoia sp. nov., scale bar = 100 μm; B, Gigantopelta aegis sp. nov., scale bar = 100 μm. Juvenile operculum: C, G. chessoia sp. nov., scale bar = 500 μm; D, G. aegis sp. nov., scale bar = 500 μm." figureDoi="http://doi.org/10.5281/zenodo.5338430" httpUri="https://zenodo.org/record/5338430/files/figure.png" pageId="8" pageNumber="327">Fig. 5A</figureCitation>
|
||
) consists of 0.5 whorls, diameter about 210 μm. Irregular reticulate ornament present initially, becoming obsolete distally. Suture around protoconch very deep. Teleoconch smooth, no distinct sculpture. Subtle growth lines, irregular protuberances present. Growth lines stronger on the body whorl, especially near the aperture. Periostracum thick, dark olive, enveloping the aperture. Ostracum and hypostracum milky white. Thin, fragile without periostracum. Columellar folds lacking. Callus extends to slightly cover columellar. Area around callous concave. Maximum shell diameter
|
||
<quantity id="40473BDCFFD8FFEB2FD49138FF5EF981" box="[144,243,1574,1596]" metricMagnitude="-2" metricUnit="m" metricValue="4.57" pageId="8" pageNumber="327" unit="mm" value="45.7">45.7 mm</quantity>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="87009639FFD8FFEB2FEC915BFE43F90A" blockId="8.[144,759,1055,1902]" pageId="8" pageNumber="327">
|
||
<emphasis id="B5CB4A2BFFD8FFEB2FEC915BFE8AF9E7" box="[168,295,1605,1626]" italics="true" pageId="8" pageNumber="327">Operculum:</emphasis>
|
||
Operculum (
|
||
<figureCitation id="1F848ABCFFD8FFEB2EF2915BFDA9F9E6" box="[438,516,1605,1627]" captionStart="Figure 3" captionStartId="5.[164,243,1832,1851]" captionTargetBox="[164,1445,193,1802]" captionTargetId="figure-0@5.[164,1445,193,1802]" captionTargetPageId="5" captionText="Figure 3. A−C, Gigantopelta chessoia sp. nov., holotype (NHMUK 20150066): A, aperture view; B, umbilical view; C. aperture view; D−F, Gigantopelta aegis sp. nov., holotype (NHMUK 20150070): D, aperture view; E, umbilical view; F, aperture view. Scale bars = 1 cm. Photography by Pete Bucktrout (British Antarctic Survey)." figureDoi="http://doi.org/10.5281/zenodo.5338424" httpUri="https://zenodo.org/record/5338424/files/figure.png" pageId="8" pageNumber="327">Fig. 3C</figureCitation>
|
||
) with central nucleus, multispiral, thin, flaky on fringe. Operculum fringe often damaged. Juveniles operculum thin, semitransparent, fringe not flaky (
|
||
<figureCitation id="1F848ABCFFD8FFEB2EC891BFFE4DF90A" box="[396,480,1697,1719]" captionStart="Figure 5" captionStartId="6.[144,223,1787,1806]" captionTargetBox="[367,1199,1100,1757]" captionTargetId="figure-49@6.[367,1199,1100,1757]" captionTargetPageId="6" captionText="Figure 5. Protoconchs: A, Gigantopelta chessoia sp. nov., scale bar = 100 μm; B, Gigantopelta aegis sp. nov., scale bar = 100 μm. Juvenile operculum: C, G. chessoia sp. nov., scale bar = 500 μm; D, G. aegis sp. nov., scale bar = 500 μm." figureDoi="http://doi.org/10.5281/zenodo.5338430" httpUri="https://zenodo.org/record/5338430/files/figure.png" pageId="8" pageNumber="327">Fig. 5C</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="87009639FFD8FFEB2FEC91A1FBF1FF47" blockId="8.[144,759,1055,1902]" lastBlockId="8.[806,1422,197,525]" pageId="8" pageNumber="327">
|
||
<taxonomicName id="40BFEDBAFFD8FFEB2FEC91A1FEF4F968" authority=": Radula" authorityName="Radula" box="[168,345,1727,1749]" class="Jungermanniopsida" family="Radulaceae" genus="Radula" kingdom="Plantae" order="Porellales" pageId="8" pageNumber="327" phylum="Marchantiophyta" rank="genus">
|
||
<emphasis id="B5CB4A2BFFD8FFEB2FEC91A1FEACF969" box="[168,257,1727,1748]" italics="true" pageId="8" pageNumber="327">Radula:</emphasis>
|
||
Radula
|
||
</taxonomicName>
|
||
(
|
||
<figureCitation id="1F848ABCFFD8FFEB2E2C91A1FE15F968" box="[360,440,1727,1749]" captionStart="Figure 6" captionStartId="7.[164,242,1201,1220]" captionTargetBox="[387,1219,197,1172]" captionTargetId="figure-0@7.[387,1219,197,1172]" captionTargetPageId="7" captionText="Figure 6. Radula. Overview: A, Gigantopelta chessoia sp. nov.; B. Gigantopelta aegis sp. nov.; scale bars = 100 μm. Central and lateral teeth close-up: C, G. chessoia sp. nov.; D, G. aegis sp. nov.; scale bars = 20 μm. Marginal teeth close-up: E, G. chessoia sp. nov.; F. G. aegis sp. nov.; scale bars = 10 μm." figureDoi="http://doi.org/10.5281/zenodo.5338432" httpUri="https://zenodo.org/record/5338432/files/figure.png" pageId="8" pageNumber="327">Fig. 6A</figureCitation>
|
||
) rhipidoglossate. Ribbon approximately
|
||
<quantity id="40473BDCFFD8FFEB2E6191C0FED7F949" box="[293,378,1758,1780]" metricMagnitude="-4" metricUnit="m" metricValue="5.0" pageId="8" pageNumber="327" unit="mm" value="0.5">0.5 mm</quantity>
|
||
wide and
|
||
<quantity id="40473BDCFFD8FFEB2EB991C0FD90F949" box="[509,573,1758,1780]" metricMagnitude="-3" metricUnit="m" metricValue="4.0" pageId="8" pageNumber="327" unit="mm" value="4.0">4 mm</quantity>
|
||
long in adults. Formula ∼50 + 4 + 1 + 4 + ∼50. Central, lateral teeth cusp-like, pointed (
|
||
<figureCitation id="1F848ABCFFD8FFEB2E189005FE01F88C" box="[348,428,1819,1841]" captionStart="Figure 6" captionStartId="7.[164,242,1201,1220]" captionTargetBox="[387,1219,197,1172]" captionTargetId="figure-0@7.[387,1219,197,1172]" captionTargetPageId="7" captionText="Figure 6. Radula. Overview: A, Gigantopelta chessoia sp. nov.; B. Gigantopelta aegis sp. nov.; scale bars = 100 μm. Central and lateral teeth close-up: C, G. chessoia sp. nov.; D, G. aegis sp. nov.; scale bars = 20 μm. Marginal teeth close-up: E, G. chessoia sp. nov.; F. G. aegis sp. nov.; scale bars = 10 μm." figureDoi="http://doi.org/10.5281/zenodo.5338432" httpUri="https://zenodo.org/record/5338432/files/figure.png" pageId="8" pageNumber="327">Fig. 6C</figureCitation>
|
||
). Marginal teeth long, slender, bearing ∼20 denticles at distal end (
|
||
<figureCitation id="1F848ABCFFD8FFEB2D709024FD27F8ED" box="[564,650,1850,1872]" captionStart="Figure 6" captionStartId="7.[164,242,1201,1220]" captionTargetBox="[387,1219,197,1172]" captionTargetId="figure-0@7.[387,1219,197,1172]" captionTargetPageId="7" captionText="Figure 6. Radula. Overview: A, Gigantopelta chessoia sp. nov.; B. Gigantopelta aegis sp. nov.; scale bars = 100 μm. Central and lateral teeth close-up: C, G. chessoia sp. nov.; D, G. aegis sp. nov.; scale bars = 20 μm. Marginal teeth close-up: E, G. chessoia sp. nov.; F. G. aegis sp. nov.; scale bars = 10 μm." figureDoi="http://doi.org/10.5281/zenodo.5338432" httpUri="https://zenodo.org/record/5338432/files/figure.png" pageId="8" pageNumber="327">Fig. 6E</figureCitation>
|
||
). Central tooth triangular, very broad at base, tapering dis- tally, smooth, no sculpture. Lateral teeth solid, bearing a clear protrusion at base.
|
||
</paragraph>
|
||
<paragraph id="87009639FFD8FFEB2C7B961DFBC6FDB0" blockId="8.[806,1422,197,525]" pageId="8" pageNumber="327">
|
||
<emphasis id="B5CB4A2BFFD8FFEB2C7B961DFB8FFEA5" box="[831,1058,259,280]" italics="true" pageId="8" pageNumber="327">
|
||
Soft parts (
|
||
<figureCitation id="1F848ABCFFD8FFEB2C85961DFBB9FEA5" box="[961,1044,259,280]" captionStart="Figure 7" captionStartId="7.[164,240,1762,1781]" captionTargetBox="[389,1217,1328,1730]" captionTargetId="figure-67@7.[387,1219,1326,1733]" captionTargetPageId="7" captionText="Figure 7. Illustration of soft parts with the mantle partially removed: A, Gigantopelta chessoia sp. nov.; B, Gigantopelta aegis sp. nov. Scale bars = 1 cm. Abbreviations: ct, ctnidium; dg, digestive gland; eg, oesophageal gland; et, epipodial tentacles; f, foot; gd, gonad; ll, lateral lappet; o, operculum attachment; pc, pericardium; sn, snout; t, cephalic tentacles." figureDoi="http://doi.org/10.5281/zenodo.5338436" httpUri="https://zenodo.org/record/5338436/files/figure.png" pageId="8" pageNumber="327">Fig. 7A</figureCitation>
|
||
):
|
||
</emphasis>
|
||
Foot muscular, large. Fully retractable into shell, red when alive. Small epipodial tentacles present, surrounding posterior two-thirds of operculum. Cephalic tentacles thick, triangular, broad at base and thinning towards tips. Eyes lacking. Snout tapering, thick. Oesophageal gland huge, approximately same size as aperture. Ctenidium bipectinate. Sexes separate. Shell muscle large, horse-shoe shaped. Intestine forms a simple loop.
|
||
</paragraph>
|
||
<paragraph id="87009639FFD8FFEB2C629529FC1CFDF1" blockId="8.[806,1421,567,742]" box="[806,945,567,588]" pageId="8" pageNumber="327">
|
||
<emphasis id="B5CB4A2BFFD8FFEB2C629529FC1CFDF1" box="[806,945,567,588]" italics="true" pageId="8" pageNumber="327">Distribution</emphasis>
|
||
</paragraph>
|
||
<paragraph id="87009639FFD8FFEB2C629548FB81FD5B" blockId="8.[806,1421,567,742]" pageId="8" pageNumber="327">
|
||
Only known from hydrothermal vents on segment E2 (
|
||
<geoCoordinate id="E28BF0FEFFD8FFEB2C6A956AFC35FD34" box="[814,920,628,650]" degrees="56" direction="south" minutes="05.2" orientation="latitude" pageId="8" pageNumber="327" precision="92" value="-56.086666">56°05.2′S</geoCoordinate>
|
||
to
|
||
<geoCoordinate id="E28BF0FEFFD8FFEB2CF9956AFB8EFD37" box="[957,1059,628,650]" degrees="56" direction="south" minutes="05.4" orientation="latitude" pageId="8" pageNumber="327" precision="92" value="-56.09">56°05.4S</geoCoordinate>
|
||
,
|
||
<geoCoordinate id="E28BF0FEFFD8FFEB2B6B956AFB03FD37" box="[1071,1198,628,650]" degrees="30" direction="west" minutes="19.00" orientation="longitude" pageId="8" pageNumber="327" precision="9" value="-30.316668">30°19.00′W</geoCoordinate>
|
||
to
|
||
<geoCoordinate id="E28BF0FEFFD8FFEB2B97956AFAF9FD37" box="[1235,1364,628,650]" degrees="30" direction="west" minutes="19.35" orientation="longitude" pageId="8" pageNumber="327" precision="9" value="-30.3225">30°19.35′W</geoCoordinate>
|
||
) and E9 (
|
||
<geoCoordinate id="E28BF0FEFFD8FFEB2C17958DFC6AFD15" box="[851,967,658,681]" degrees="60" direction="south" minutes="02.50" orientation="latitude" pageId="8" pageNumber="327" precision="9" value="-60.041668">60°02.50′S</geoCoordinate>
|
||
to
|
||
<geoCoordinate id="E28BF0FEFFD8FFEB2CAE958DFBF2FD15" box="[1002,1119,658,681]" degrees="60" direction="south" minutes="03.00" orientation="latitude" pageId="8" pageNumber="327" precision="9" value="-60.05">60°03.00′S</geoCoordinate>
|
||
,
|
||
<geoCoordinate id="E28BF0FEFFD8FFEB2B2F958DFB4BFD15" box="[1131,1254,658,681]" degrees="29" direction="west" minutes="58.60" orientation="longitude" pageId="8" pageNumber="327" precision="9" value="-29.976667">29°58.60′W</geoCoordinate>
|
||
to
|
||
<geoCoordinate id="E28BF0FEFFD8FFEB2A4E958DFA2BFD15" box="[1290,1414,658,681]" degrees="29" direction="west" minutes="59.00" orientation="longitude" pageId="8" pageNumber="327" precision="9" value="-29.983334">29°59.00′W</geoCoordinate>
|
||
) of ESR. This species forms dense aggregations rather close to vent effluents.
|
||
</paragraph>
|
||
<paragraph id="87009639FFD8FFEB2C629411FC26FC99" blockId="8.[806,1421,783,1081]" box="[806,907,783,804]" pageId="8" pageNumber="327">
|
||
<emphasis id="B5CB4A2BFFD8FFEB2C629411FC26FC99" box="[806,907,783,804]" italics="true" pageId="8" pageNumber="327">Remarks</emphasis>
|
||
</paragraph>
|
||
<paragraph id="87009639FFD8FFEB2C629430FBCEFB84" blockId="8.[806,1421,783,1081]" pageId="8" pageNumber="327">
|
||
The dispersal mechanism is inferred to be nonplanktotrophic from the protoconch, presumably with a planktonic dispersal stage.
|
||
<tableCitation id="CA3DA382FFD8FFEB2B399475FB7DFC3D" box="[1149,1232,875,897]" captionStart="Table 2" captionStartId="9.[164,228,198,217]" captionText="Table 2. Shell parameters of Gigantopelta chessoia sp. nov. and Gigantopelta aegis sp. nov. Range and proportion to shell diameter were calculated from 100 specimens across a size range in each species" pageId="8" pageNumber="327">Table 2</tableCitation>
|
||
shows the shell parameters of
|
||
<taxonomicName id="40BFEDBAFFD8FFEB2C8B9494FBE0FC22" authorityName="Chen & Linse & Roterman & Copley & Rogers" authorityYear="2015" box="[975,1101,906,927]" class="Gastropoda" family="Peltospiridae" genus="Gigantopelta" kingdom="Animalia" order="Neomphalida" pageId="8" pageNumber="327" phylum="Mollusca" rank="species" species="chessoia">
|
||
<emphasis id="B5CB4A2BFFD8FFEB2C8B9494FBE0FC22" box="[975,1101,906,927]" italics="true" pageId="8" pageNumber="327">G. chessoia</emphasis>
|
||
</taxonomicName>
|
||
. The relationships between the six shell parameters measured were investigated and they were all linear across all life stages.
|
||
<figureCitation id="1F848ABCFFD8FFEB2A6B94D9FA20FC61" box="[1327,1421,967,989]" captionStart="Figure 8" captionStartId="9.[164,242,1584,1603]" captionTargetBox="[166,1441,843,1552]" captionTargetId="figure-235@9.[164,1445,837,1555]" captionTargetPageId="9" captionText="Figure 8. Scatter plot of shell diameter vs. shell height across a size range of 100 specimens: A, Gigantopelta chessoia sp. nov. (line of best fit formula: y = 0.9045x −0.6278, R2 = 0.99); B, Gigantopelta aegis sp. nov. (line of best fit formula: y = 0.8823x −0.8362, R2 = 0.99)." figureDoi="http://doi.org/10.5281/zenodo.5338438" httpUri="https://zenodo.org/record/5338438/files/figure.png" pageId="8" pageNumber="327">Figure 8</figureCitation>
|
||
shows a scatter plot of shell diameter against shell height. See
|
||
<bibRefCitation id="E32EEBC8FFD8FFEB2CEA931BFB26FBA7" author="Rogers AD & Tyler PA & Connelly DP & Copley JT & James R & Larter RD & Linse K & Mills RA & Garabato AN & Pancost RD & Pearce DA & Polunin NVC & German CR & Shank T & Boersch-Supan PH & Alker BJ & Aquilina A & Bennett SA & Clarke A & Dinley RJJ & Graham AGC & Green DRH & Hawkes JA & Hepburn L & Hilario A & Huvenne VAI & Marsh L & Ramirez-Llodra E & Reid WDK & Roterman CN & Sweeting CJ & Thatje S & Zwirglmaier K" box="[942,1163,1028,1050]" pageId="8" pageNumber="327" pagination="1001234" refId="ref10164" refString="Rogers AD, Tyler PA, Connelly DP, Copley JT, James R, Larter RD, Linse K, Mills RA, Garabato AN, Pancost RD, Pearce DA, Polunin NVC, German CR, Shank T, Boersch-Supan PH, Alker BJ, Aquilina A, Bennett SA, Clarke A, Dinley RJJ, Graham AGC, Green DRH, Hawkes JA, Hepburn L, Hilario A, Huvenne VAI, Marsh L, Ramirez-Llodra E, Reid WDK, Roterman CN, Sweeting CJ, Thatje S, Zwirglmaier K. 2012. The discovery of new deep-sea hydrothermal vent communities in the Southern Ocean and implications for biogeography. PLoS Biology 10: e 1001234." type="journal article" year="2012">
|
||
Rogers
|
||
<emphasis id="B5CB4A2BFFD8FFEB2B41931BFB98FBA4" box="[1029,1077,1028,1050]" italics="true" pageId="8" pageNumber="327">et al</emphasis>
|
||
. (2012)
|
||
</bibRefCitation>
|
||
for details on location of hydrothermal vent sites.
|
||
</paragraph>
|
||
<paragraph id="87009639FFD8FFEB2C62937DFBB0FBCA" blockId="8.[806,1422,1122,1604]" box="[806,1053,1122,1144]" pageId="8" pageNumber="327">
|
||
<emphasis id="B5CB4A2BFFD8FFEB2C62937DFBB0FBCA" box="[806,1053,1122,1144]" italics="true" pageId="8" pageNumber="327">Comparative remarks</emphasis>
|
||
</paragraph>
|
||
<paragraph id="87009639FFD8FFEB2C62939FFBDEF9FE" blockId="8.[806,1422,1122,1604]" pageId="8" pageNumber="327">
|
||
Similar to
|
||
<taxonomicName id="40BFEDBAFFD8FFEB2CE4939FFBDFFB2A" authority="Chen & Linse & Roterman & Copley & Rogers, 2015" authorityName="Chen & Linse & Roterman & Copley & Rogers" authorityYear="2015" box="[928,1138,1153,1175]" class="Gastropoda" family="Peltospiridae" genus="Gigantopelta" kingdom="Animalia" order="Neomphalida" pageId="8" pageNumber="327" phylum="Mollusca" rank="species" species="aegis" status="sp. nov.">
|
||
<emphasis id="B5CB4A2BFFD8FFEB2CE4939FFBDFFB2A" box="[928,1138,1153,1175]" italics="true" pageId="8" pageNumber="327">Gigantopelta aegis</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="AEF8F750FFD8FFEB2B3E939FFB62FB2B" box="[1146,1231,1153,1174]" pageId="8" pageNumber="327" rank="species">sp. nov.</taxonomicNameLabel>
|
||
described below.
|
||
<taxonomicName id="40BFEDBAFFD8FFEB2C629381FB8DFB09" authorityName="Chen & Linse & Roterman & Copley & Rogers" authorityYear="2015" box="[806,1056,1183,1204]" class="Gastropoda" family="Peltospiridae" genus="Gigantopelta" kingdom="Animalia" order="Neomphalida" pageId="8" pageNumber="327" phylum="Mollusca" rank="species" species="chessoia">
|
||
<emphasis id="B5CB4A2BFFD8FFEB2C629381FB8DFB09" box="[806,1056,1183,1204]" italics="true" pageId="8" pageNumber="327">Gigantopelta chessoia</emphasis>
|
||
</taxonomicName>
|
||
can be distinguished as it has a taller spire, less extensive callus, and area around callus is concave and not flattened as in
|
||
<taxonomicName id="40BFEDBAFFD8FFEB2BBD93C3FAFEFB4F" authorityName="Chen & Linse & Roterman & Copley & Rogers" authorityYear="2015" box="[1273,1363,1245,1266]" class="Gastropoda" family="Peltospiridae" genus="Gigantopelta" kingdom="Animalia" order="Neomphalida" pageId="8" pageNumber="327" phylum="Mollusca" rank="species" species="aegis">
|
||
<emphasis id="B5CB4A2BFFD8FFEB2BBD93C3FAFEFB4F" box="[1273,1363,1245,1266]" italics="true" pageId="8" pageNumber="327">G. aegis</emphasis>
|
||
</taxonomicName>
|
||
. Differences are seen in the structure of the radula. The central tooth of
|
||
<taxonomicName id="40BFEDBAFFD8FFEB2C9A9204FBF6FA92" authorityName="Chen & Linse & Roterman & Copley & Rogers" authorityYear="2015" box="[990,1115,1306,1327]" class="Gastropoda" family="Peltospiridae" genus="Gigantopelta" kingdom="Animalia" order="Neomphalida" pageId="8" pageNumber="327" phylum="Mollusca" rank="species" species="chessoia">
|
||
<emphasis id="B5CB4A2BFFD8FFEB2C9A9204FBF6FA92" box="[990,1115,1306,1327]" italics="true" pageId="8" pageNumber="327">G. chessoia</emphasis>
|
||
</taxonomicName>
|
||
is much wider at the base and triangular compared with that of
|
||
<taxonomicName id="40BFEDBAFFD8FFEB2B9B9227FA94FAF3" authorityName="Chen & Linse & Roterman & Copley & Rogers" authorityYear="2015" box="[1247,1337,1337,1358]" class="Gastropoda" family="Peltospiridae" genus="Gigantopelta" kingdom="Animalia" order="Neomphalida" pageId="8" pageNumber="327" phylum="Mollusca" rank="species" species="aegis">
|
||
<emphasis id="B5CB4A2BFFD8FFEB2B9B9227FA94FAF3" box="[1247,1337,1337,1358]" italics="true" pageId="8" pageNumber="327">G. aegis</emphasis>
|
||
</taxonomicName>
|
||
, which is rectangular. Lateral teeth are sculptured in both species, but the marks occur nearer to the base of the teeth in
|
||
<taxonomicName id="40BFEDBAFFD8FFEB2CC5928BFC78FA17" authorityName="Chen & Linse & Roterman & Copley & Rogers" authorityYear="2015" box="[897,981,1429,1450]" class="Gastropoda" family="Peltospiridae" genus="Gigantopelta" kingdom="Animalia" order="Neomphalida" pageId="8" pageNumber="327" phylum="Mollusca" rank="species" species="aegis">
|
||
<emphasis id="B5CB4A2BFFD8FFEB2CC5928BFC78FA17" box="[897,981,1429,1450]" italics="true" pageId="8" pageNumber="327">G. aegis</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
<taxonomicName id="40BFEDBAFFD8FFEB2CA6928BFB66FA17" authorityName="Chen & Linse & Roterman & Copley & Rogers" authorityYear="2015" box="[994,1227,1429,1450]" class="Gastropoda" family="Peltospiridae" genus="Gigantopelta" kingdom="Animalia" order="Neomphalida" pageId="8" pageNumber="327" phylum="Mollusca" rank="species" species="chessoia">
|
||
<emphasis id="B5CB4A2BFFD8FFEB2CA6928BFB66FA17" box="[994,1227,1429,1450]" italics="true" pageId="8" pageNumber="327">Gigantopelta chessoia</emphasis>
|
||
</taxonomicName>
|
||
can also be easily distinguished by the lack of sulphide deposits on the shell and operculum, at least from
|
||
<taxonomicName id="40BFEDBAFFD8FFEB2B8392CCFA8CFA55" authorityName="Chen & Linse & Roterman & Copley & Rogers" authorityYear="2015" box="[1223,1313,1490,1512]" class="Gastropoda" family="Peltospiridae" genus="Gigantopelta" kingdom="Animalia" order="Neomphalida" pageId="8" pageNumber="327" phylum="Mollusca" rank="species" species="aegis">
|
||
<emphasis id="B5CB4A2BFFD8FFEB2B8392CCFA8CFA55" box="[1223,1313,1490,1512]" italics="true" pageId="8" pageNumber="327">G. aegis</emphasis>
|
||
</taxonomicName>
|
||
found in Longqi Field, the only known habitat to date. Similarly, the operculum in
|
||
<taxonomicName id="40BFEDBAFFD8FFEB2B739111FB3CF998" authorityName="Chen & Linse & Roterman & Copley & Rogers" authorityYear="2015" box="[1079,1169,1551,1573]" class="Gastropoda" family="Peltospiridae" genus="Gigantopelta" kingdom="Animalia" order="Neomphalida" pageId="8" pageNumber="327" phylum="Mollusca" rank="species" species="aegis">
|
||
<emphasis id="B5CB4A2BFFD8FFEB2B739111FB3CF998" box="[1079,1169,1551,1573]" italics="true" pageId="8" pageNumber="327">G. aegis</emphasis>
|
||
</taxonomicName>
|
||
is much thicker than
|
||
<taxonomicName id="40BFEDBAFFD8FFEB2C629130FC09F9FE" authorityName="Chen & Linse & Roterman & Copley & Rogers" authorityYear="2015" box="[806,932,1582,1603]" class="Gastropoda" family="Peltospiridae" genus="Gigantopelta" kingdom="Animalia" order="Neomphalida" pageId="8" pageNumber="327" phylum="Mollusca" rank="species" species="chessoia">
|
||
<emphasis id="B5CB4A2BFFD8FFEB2C629130FC09F9FE" box="[806,932,1582,1603]" italics="true" pageId="8" pageNumber="327">G. chessoia</emphasis>
|
||
</taxonomicName>
|
||
at all life stages.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |