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<document id="B037FA47CA253E136FB92EEB4B9147DF" ID-CLB-Dataset="23381" ID-DOI="10.5252/zoosystema2019v41a26" ID-GBIF-Dataset="cef5076b-424b-4cdc-8d13-6e472d861e09" ID-ISSN="1638-9387" ID-Zenodo-Dep="3726028" ID-ZooBank="urn:lsid:zoobank.org:pub:CF16A992-0401-44C8-BEEE-842CE7F1D27E" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1585071141162" checkinUser="felipe" docAuthor="Ortega, José Rafael &amp; Gofas, Serge" docDate="2019" docId="03E687A0B247FF989B61F942FB6EFA54" docLanguage="en" docName="zoosystema.41.26.513-551.pdf.imf" docOrigin="Zoosystema 41 (26)" docStyle="DocumentStyle:AFAF64E709DD7C8340B70A24A5804402.4:Zoosystema.2018-2019.journal_article" docStyleId="AFAF64E709DD7C8340B70A24A5804402" docStyleName="Zoosystema.2018-2019.journal_article" docStyleVersion="4" docTitle="Orbitestella pruinosa Ortega &amp; Gofas 2019, n. sp." docType="treatment" docUuid="340AD666-39F8-4250-842D-443F7546E7E0" docUuidSource="ZooBank" docVersion="9" lastPageNumber="542" masterDocId="FFDFFFD8B258FF879A52FFD1FFCDFFBB" masterDocTitle="The unknown bathyal of the Canaries: new species and new records of deep-sea Mollusca" masterLastPageNumber="551" masterPageNumber="513" pageNumber="542" updateTime="1732873258264" updateUser="ExternalLinkService" zenodo-license-document="CC0-1.0" zenodo-license-figures="CC0-1.0" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="4C1F93C3F808184899AA3DF52C65ED7E">The unknown bathyal of the Canaries: new species and new records of deep-sea Mollusca</mods:title>
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<mods:namePart id="350B5826CE6A5021D30F4E8FE5B55809">Ortega, José Rafael</mods:namePart>
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<mods:title id="E0A2C78F3BD8BA24D755EFC31BC559BA">Zoosystema</mods:title>
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<treatment id="03E687A0B247FF989B61F942FB6EFA54" ID-DOI="http://doi.org/10.5281/zenodo.3729398" ID-GBIF-Taxon="163283894" ID-Zenodo-Dep="3729398" LSID="urn:lsid:zoobank.org:act:340AD666-39F8-4250-842D-443F7546E7E0" httpUri="http://treatment.plazi.org/id/03E687A0B247FF989B61F942FB6EFA54" lastPageNumber="542" pageId="31" pageNumber="542" scope_family="Orbitestellidae" scope_phylum="Mollusca">
<subSubSection id="C355653DB247FF989B61F942FD94F914" box="[307,601,1683,1711]" pageId="31" pageNumber="542" type="nomenclature">
<paragraph id="8BF036B6B247FF989B61F942FD94F914" blockId="31.[132,774,1558,1743]" box="[307,601,1683,1711]" pageId="31" pageNumber="542">
<heading id="D0B881DAB247FF989B61F942FD94F914" box="[307,601,1683,1711]" level="2" pageId="31" pageNumber="542">
<taxonomicName id="4C4F4D35B247FF989B61F942FDDAF915" ID-CoL="8V8XG" authority="Ortega &amp; Gofas, 2019" authorityName="Ortega &amp; Gofas" authorityYear="2019" box="[307,535,1683,1710]" class="Gastropoda" family="Orbitestellidae" genus="Orbitestella" kingdom="Animalia" pageId="31" pageNumber="542" phylum="Mollusca" rank="species" species="pruinosa" status="sp. nov.">
<emphasis id="B93BEAA4B247FF989B61F942FDDAF915" bold="true" box="[307,535,1683,1710]" italics="true" pageId="31" pageNumber="542">Orbitestella pruinosa</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A20857DFB247FF98984CF944FD94F914" box="[542,601,1685,1711]" pageId="31" pageNumber="542" rank="species">n. sp.</taxonomicNameLabel>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C355653DB247FF989BD2F965FD2AF8B8" pageId="31" pageNumber="542" type="description">
<paragraph id="8BF036B6B247FF989BD2F965FDC1F974" blockId="31.[132,774,1558,1743]" box="[384,524,1716,1743]" pageId="31" pageNumber="542">
(
<figureCitation id="13742A33B247FF989BD5F965FE19F974" box="[391,468,1716,1743]" captionStart="FIG" captionStartId="32.[132,143,1702,1720]" captionTargetBox="[132,1458,215,1656]" captionTargetId="figure@32.[132,1458,215,1656]" captionTargetPageId="32" captionText="FIG. 25. — A-C, Spirolaxis lamellifer (Rehder, 1935), shell from DW120 (diameter 3.7 mm); new to the Canaries; D-F, Orbitestella pruinosa n. sp., holotype from DW130 (diameter 0.8 mm); G, Graphis gracilis (Monterosato, 1874), shell from DW130 (height 2.1 mm); H, I, Odostomia madeirensis Peñas, Rolán &amp; Swinnen, 2014, shell from DW133 (height 2.2 mm); new to Spanish waters; J, K, Liostomia canaliculata n. sp., holotype from DW130 (height 1 mm); L, M, Ringicula pirulina Locard, 1897, shell from DW130 (6.4 mm); N, Colpodaspis pusilla M. Sars, 1870, shell from DW126 (1.4 mm); new to the Canaries." figureDoi="http://doi.org/10.5281/zenodo.3726079" httpUri="https://zenodo.org/record/3726079/files/figure.png" pageId="31" pageNumber="542">Fig. 25</figureCitation>
D-F)
</paragraph>
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<uri id="FFDE3AB4B247FF989AF7F920FD2AF8B8" box="[165,743,1777,1795]" pageId="31" pageNumber="542">
urn:lsid:zoobank.org:act:
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</paragraph>
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<subSubSection id="C355653DB247FF989AD6F8F2FE49F8ED" pageId="31" pageNumber="542" type="materials_examined">
<paragraph id="8BF036B6B247FF989AD6F8F2FE49F8ED" blockId="31.[132,775,1777,1878]" pageId="31" pageNumber="542">
<typeStatus id="54F48814B247FF989AD6F8F2FF78F883" box="[132,181,1827,1851]" pageId="31" pageNumber="542">TYPE</typeStatus>
MATERIAL. —
<materialsCitation id="3B273CEBB247FF989B6DF8F2FE4CF8ED" ID-GBIF-Occurrence="2580005100" country="Djibouti" pageId="31" pageNumber="542" specimenCount="1" typeStatus="holotype">
<emphasis id="B93BEAA4B247FF989B6DF8F2FE69F880" bold="true" box="[319,420,1827,1851]" pageId="31" pageNumber="542">
<typeStatus id="54F48814B247FF989B6DF8F2FE6DF880" box="[319,416,1827,1851]" pageId="31" pageNumber="542" type="holotype">Holotype</typeStatus>
.
</emphasis>
sh., MNHN-IM-2000-34277, from SEAMOUNT 2 DW130
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="C355653DB247FF989AD6F8BCFDB0F824" pageId="31" pageNumber="542" type="distribution">
<paragraph id="8BF036B6B247FF989AD6F8BCFDB0F824" blockId="31.[132,775,1901,2026]" pageId="31" pageNumber="542">
<typeStatus id="54F48814B247FF989AD6F8BCFF76F839" box="[132,187,1901,1925]" pageId="31" pageNumber="542">TYPE</typeStatus>
LOCALITY. — Off W Gran Canaria,
<geoCoordinate id="EE7B5071B247FF989829F8BCFCCFF83E" box="[635,770,1901,1925]" degrees="28" direction="north" minutes="08.95" orientation="latitude" pageId="31" pageNumber="542" precision="9" value="28.149166">28°08.95N</geoCoordinate>
,
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/
<geoCoordinate id="EE7B5071B247FF989B57F859FEB6F81B" box="[261,379,1928,1952]" degrees="28" direction="north" minutes="09.06" orientation="latitude" pageId="31" pageNumber="542" precision="9" value="28.151">28°09.06N</geoCoordinate>
,
<geoCoordinate id="EE7B5071B247FF989BD7F859FE30F81B" box="[389,509,1928,1952]" degrees="15" direction="west" minutes="52.92" orientation="longitude" pageId="31" pageNumber="542" precision="9" value="-15.882">15°52.92W</geoCoordinate>
,
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655-
<specimenCount id="9D49FD3FB247FF989866F859FDB4F824" box="[564,633,1928,1952]" pageId="31" pageNumber="542" type="generic">660 m</specimenCount>
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.
</paragraph>
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<subSubSection id="C355653DB247FF989AD6F866FD64F851" pageId="31" pageNumber="542" type="etymology">
<paragraph id="8BF036B6B247FF989AD6F866FD64F851" blockId="31.[132,775,1901,2026]" pageId="31" pageNumber="542">ETYMOLOGY. — Latin adjective meaning “frosty”, alluding to the texture given to the shell surface by the miscrosculpture.</paragraph>
</subSubSection>
<subSubSection id="C355653DB247FF98997FFF08FB77FD6A" pageId="31" pageNumber="542" type="description">
<paragraph id="8BF036B6B247FF98997FFF08FC70FF4A" blockId="31.[813,1456,217,722]" box="[813,957,217,243]" pageId="31" pageNumber="542">DESCRIPTION</paragraph>
<paragraph id="8BF036B6B247FF98997FFF28FB77FD6A" blockId="31.[813,1456,217,722]" pageId="31" pageNumber="542">
Shell minute, depressed, with a flat spire and wide umbilicus. Protoconch of a little less than 1 whorl. Teleoconch with three strong spiral ridges, of which one is adapical, the strongest one is on the periphery, and one is abapical. Microsculpture of irregularly arranged granules, loosely aligned axially, which give the surface a shagreened aspect and are attenuated on the ridges; the last 1/4 whorl marked in addition by conspicuous growth lines. Umbilicus broad and wide, delimited by an additional internal ridge. Aperture simple, rounded on the parietal and columellar side, polygonal along the outer lip, reflecting the termination of the ridges. Columellar edge of the aperture reflected outwards and strongly receding where approaching the parietal edge, abutting there on the abapical ridge of the preceding whorl. Dimensions of the
<typeStatus id="54F48814B247FF989F1BFD49FA66FD09" box="[1353,1451,664,690]" pageId="31" pageNumber="542" type="holotype">holotype</typeStatus>
:
<quantity id="4CB79B53B247FF98997FFD66FC5CFD69" box="[813,913,695,722]" metricMagnitude="-4" metricUnit="m" metricValue="3.5" pageId="31" pageNumber="542" unit="mm" value="0.35">0.35 mm</quantity>
height ×
<quantity id="4CB79B53B247FF9899AAFD69FB83FD69" box="[1016,1102,696,722]" metricMagnitude="-4" metricUnit="m" metricValue="8.0" pageId="31" pageNumber="542" unit="mm" value="0.8">0.8 mm</quantity>
diameter.
</paragraph>
</subSubSection>
<subSubSection id="C355653DB247FF98997FFD26FB6EFA54" pageId="31" pageNumber="542" type="discussion">
<paragraph id="8BF036B6B247FF98997FFD26FC5CFCB4" blockId="31.[813,1456,759,1519]" box="[813,913,759,785]" pageId="31" pageNumber="542">REMARKS</paragraph>
<paragraph id="8BF036B6B247FF98997FFCC6FAD0FC2A" blockId="31.[813,1456,759,1519]" pageId="31" pageNumber="542">
The size, profile, and the characteristic recession of the abapical part of the aperture support the placement of this species in
<taxonomicName id="4C4F4D35B247FF98997FFC86FC6EFCCA" authorityName="Iredale" authorityYear="1917" box="[813,931,855,881]" class="Gastropoda" family="Orbitestellidae" genus="Orbitestella" kingdom="Animalia" pageId="31" pageNumber="542" phylum="Mollusca" rank="genus">
<emphasis id="B93BEAA4B247FF98997FFC86FC6EFCCA" box="[813,931,855,881]" italics="true" pageId="31" pageNumber="542">Orbitestella</emphasis>
</taxonomicName>
. The protoconch is damaged on the only available specimen and could not be observed properly.
</paragraph>
<paragraph id="8BF036B6B247FF989911FC46FB6EFA54" blockId="31.[813,1456,759,1519]" pageId="31" pageNumber="542">
This minute species does not resemble closely any other gastropod known to us from the eastern Atlantic. The most similar is
<taxonomicName id="4C4F4D35B247FF9899C3FC07FAD8FC4A" authority="Mestayer, 1919" authorityName="Mestayer" authorityYear="1919" box="[913,1301,982,1009]" class="Gastropoda" family="Orbitestellidae" genus="Orbitestella" kingdom="Animalia" pageId="31" pageNumber="542" phylum="Mollusca" rank="species" species="hinemoa">
<emphasis id="B93BEAA4B247FF9899C3FC07FBA5FC4B" box="[913,1128,982,1008]" italics="true" pageId="31" pageNumber="542">Orbitestella hinemoa</emphasis>
Mestayer, 1919
</taxonomicName>
, from off New Zealand, which differs only in having a more even development of the three keels on the last whorl, the peripheral one not so much protruding as in
<taxonomicName id="4C4F4D35B247FF989E38FBE7FA8CFBEB" authority="Ortega &amp; Gofas, 2019" authorityName="Ortega &amp; Gofas" authorityYear="2019" box="[1130,1345,1078,1104]" class="Gastropoda" family="Orbitestellidae" genus="Orbitestella" kingdom="Animalia" pageId="31" pageNumber="542" phylum="Mollusca" rank="species" species="pruinosa" status="sp. nov.">
<emphasis id="B93BEAA4B247FF989E38FBE7FA8CFBEB" box="[1130,1345,1078,1104]" italics="true" pageId="31" pageNumber="542">Orbitestella pruinosa</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A20857DFB247FF989F15FBE6FA4CFBEA" box="[1351,1409,1079,1105]" pageId="31" pageNumber="542" rank="species">n. sp.</taxonomicNameLabel>
The only other species of
<taxonomicName id="4C4F4D35B247FF989E40FB87FB44FBCB" authorityName="Iredale" authorityYear="1917" box="[1042,1161,1110,1136]" class="Gastropoda" family="Orbitestellidae" genus="Orbitestella" kingdom="Animalia" pageId="31" pageNumber="542" phylum="Mollusca" rank="genus">
<emphasis id="B93BEAA4B247FF989E40FB87FB44FBCB" box="[1042,1161,1110,1136]" italics="true" pageId="31" pageNumber="542">Orbitestella</emphasis>
</taxonomicName>
described from the eastern Atlantic and Mediterranean area is
<taxonomicName id="4C4F4D35B247FF989EC4FBA7FC77FB0B" authority="(Liuzzi &amp; Zucchi Stolfa, 1979)" baseAuthorityName="Liuzzi &amp; Zucchi Stolfa" baseAuthorityYear="1979" class="Gastropoda" family="Orbitestellidae" genus="Orbitestella" kingdom="Animalia" pageId="31" pageNumber="542" phylum="Mollusca" rank="species" species="dariae">
<emphasis id="B93BEAA4B247FF989EC4FBA7FB3BFB2B" box="[1174,1270,1142,1168]" italics="true" pageId="31" pageNumber="542">O. dariae</emphasis>
(Liuzzi &amp; Zucchi Stolfa, 1979)
</taxonomicName>
, recorded from Madeira by
<bibRefCitation id="EFDE4B47B247FF989EB2FB47FA67FB0B" author="SEGERS W. &amp; SWINNEN F. &amp; DE PRINS R." box="[1248,1450,1174,1200]" pageId="31" pageNumber="542" refId="ref24938" refString="SEGERS W., SWINNEN F. &amp; DE PRINS R. 2009. - Marine Molluscs of Madeira. Snoeck Publishers, Heule, Belgium, 612 p." type="book" year="2009">
Segers
<emphasis id="B93BEAA4B247FF989F75FB46FA94FB0B" box="[1319,1369,1174,1200]" italics="true" pageId="31" pageNumber="542">et al.</emphasis>
(2009)
</bibRefCitation>
. It has a similar outline but an evenly convex abapical part with several flat spiral cords, and a spiral series of prominent knobs on the adapical side; furthermore it lacks the shagreened microsculpture of
<taxonomicName id="4C4F4D35B247FF9899AAFAC7FBBBFA94" authority="Ortega &amp; Gofas, 2019" authorityName="Ortega &amp; Gofas" authorityYear="2019" box="[1016,1142,1302,1328]" class="Gastropoda" family="Orbitestellidae" genus="Orbitestella" kingdom="Animalia" pageId="31" pageNumber="542" phylum="Mollusca" rank="species" species="pruinosa" status="sp. nov.">
<emphasis id="B93BEAA4B247FF9899AAFAC7FBBBFA94" box="[1016,1142,1302,1328]" italics="true" pageId="31" pageNumber="542">O. pruinosa</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A20857DFB247FF989E2DFAC7FB70FA8B" box="[1151,1213,1302,1328]" pageId="31" pageNumber="542" rank="species">n. sp.</taxonomicNameLabel>
The specimen from a deep-water thanatocenosis off Sardinia, Western Mediterranean, figured as
<taxonomicName id="4C4F4D35B247FF9899A6FA87FB95FAD4" baseAuthorityName="Liuzzi &amp; Zucchi Stolfa" baseAuthorityYear="1979" box="[1012,1112,1365,1392]" class="Gastropoda" family="Orbitestellidae" genus="Orbitestella" kingdom="Animalia" pageId="31" pageNumber="542" phylum="Mollusca" rank="species" species="dariae">
<emphasis id="B93BEAA4B247FF9899A6FA87FB95FAD4" box="[1012,1112,1365,1392]" italics="true" pageId="31" pageNumber="542">O. dariae</emphasis>
</taxonomicName>
by
<bibRefCitation id="EFDE4B47B247FF989ED0FA84FAA7FACB" author="BONFITTO A. &amp; OLIVERIO M. &amp; SABELLI B. &amp; TAVIANI M." box="[1154,1386,1365,1392]" pageId="31" pageNumber="542" pagination="141 - 157" refId="ref21850" refString="BONFITTO A., OLIVERIO M., SABELLI B. &amp; TAVIANI M. 1994. - A Quaternary deep marine molluscan assemblage from East Sardinia (Western Tyrrhenian Sea). Bollettino Malacologico 30 (5 - 9): 141 - 157." type="journal article" year="1994">
Bonfitto
<emphasis id="B93BEAA4B247FF989EB7FA87FAD4FAD4" box="[1253,1305,1365,1391]" italics="true" pageId="31" pageNumber="542">et al.</emphasis>
(1994)
</bibRefCitation>
is not that species and is so similar to
<taxonomicName id="4C4F4D35B247FF989ED8FAA4FACBFA34" authority="Ortega &amp; Gofas, 2019" authorityName="Ortega &amp; Gofas" authorityYear="2019" box="[1162,1286,1397,1423]" class="Gastropoda" family="Orbitestellidae" genus="Orbitestella" kingdom="Animalia" pageId="31" pageNumber="542" phylum="Mollusca" rank="species" species="pruinosa" status="sp. nov.">
<emphasis id="B93BEAA4B247FF989ED8FAA4FACBFA34" box="[1162,1286,1397,1423]" italics="true" pageId="31" pageNumber="542">O. pruinosa</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A20857DFB247FF989F5DFAA7FA86FA2B" box="[1295,1355,1398,1424]" pageId="31" pageNumber="542" rank="species">n. sp.</taxonomicNameLabel>
that it is possibly the same; their specimen differs from the Canarian one in having definite axial riblets between the spiral ridges, instead of loosely aligned granules.
</paragraph>
</subSubSection>
</treatment>
</document>