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<document id="4CEDDD1873917F11B72CAAAADCB1C1DD" ID="10.11646/zootaxa.4150.3.2" ID-DOI="10.11646/zootaxa.4150.3.2" ID-GBIF-Dataset="8347a890-caad-4a81-8a02-8ec476083ffb" ID-ISSN="1175-5326" ID-Zenodo-Dep="272101" ID-ZooBank="08E63512-49DB-495C-83FC-CDF206A516CF" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1470983924873" checkinUser="plazi" docAuthor="Gordon, Cat A., Hood, Ali R. &amp; Ellis, Jim R." docDate="2016" docId="03C2E354FFDFFFD9FF49F83BFF245CF4" docLanguage="en" docName="zootaxa.4150.3.2.pdf" docOrigin="Zootaxa 4150 (3)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Scyliorhinus stellaris Linnaeus 1758" docType="treatment" docVersion="8" lastPageNumber="274" masterDocId="FFFB9B2CFFCEFFCAFFDEFFB5FFF25D59" masterDocTitle="Descriptions and revised key to the eggcases of the skates (Rajiformes: Rajidae) and catsharks (Carcharhiniformes: Scyliorhinidae) of the British Isles" masterLastPageNumber="280" masterPageNumber="255" pageNumber="272" updateTime="1698381824525" updateUser="plazi">
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<mods:title id="DC0E1CC1F0D5B00F52898B29D9CE0FA2">Descriptions and revised key to the eggcases of the skates (Rajiformes: Rajidae) and catsharks (Carcharhiniformes: Scyliorhinidae) of the British Isles</mods:title>
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<mods:namePart id="650B879F0BD201FECB8727D8AE046372">Gordon, Cat A.</mods:namePart>
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<mods:namePart id="A4B56BE6BB337625F37CC579E120330A">Hood, Ali R.</mods:namePart>
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<mods:namePart id="6C30E7212C659A9F96699C5DA428847F">Ellis, Jim R.</mods:namePart>
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<treatment id="03C2E354FFDFFFD9FF49F83BFF245CF4" ID-DOI="http://doi.org/10.5281/zenodo.3509558" ID-GBIF-Taxon="124329253" ID-Zenodo-Dep="3509558" LSID="urn:lsid:plazi:treatment:03C2E354FFDFFFD9FF49F83BFF245CF4" httpUri="http://treatment.plazi.org/id/03C2E354FFDFFFD9FF49F83BFF245CF4" lastPageId="19" lastPageNumber="274" pageId="17" pageNumber="272">
<subSubSection id="C37101C9FFDFFFDBFF49F83BFD9F5AF1" box="[151,621,1934,1960]" pageId="17" pageNumber="272" type="nomenclature">
<paragraph id="8BD45242FFDFFFDBFF49F83BFD9F5AF1" blockId="17.[151,621,1934,1960]" box="[151,621,1934,1960]" pageId="17" pageNumber="272">
<heading id="D09CE52EFFDFFFDBFF49F83BFD9F5AF1" bold="true" box="[151,621,1934,1960]" fontSize="11" level="1" pageId="17" pageNumber="272" reason="1">
<taxonomicName id="4C6B29C1FFDFFFDBFF49F83BFD9F5AF1" ID-CoL="4W57R" authority="Linnaeus, 1758" authorityName="Linnaeus" authorityYear="1758" box="[151,621,1934,1960]" class="Elasmobranchii" family="Scyliorhinidae" genus="Scyliorhinus" kingdom="Animalia" order="Carcharhiniformes" pageId="17" pageNumber="272" phylum="Chordata" rank="species" species="stellaris">
<emphasis id="B91F8E50FFDFFFDBFF49F83BFD9F5AF1" bold="true" box="[151,621,1934,1960]" pageId="17" pageNumber="272">
<emphasis id="B91F8E50FFDFFFDBFF49F83BFE675AF1" bold="true" box="[151,405,1934,1960]" italics="true" pageId="17" pageNumber="272">Scyliorhinus stellaris</emphasis>
(Linnaeus, 1758)
</emphasis>
</taxonomicName>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C37101C9FFDFFFD8FF49F860FEE05C44" lastPageId="18" lastPageNumber="273" pageId="17" pageNumber="272" type="distribution">
<paragraph id="8BD45242FFDFFFD8FF49F860FEE05C44" blockId="17.[151,1436,2005,2030]" lastBlockId="18.[151,1437,151,789]" lastPageId="18" lastPageNumber="273" pageId="17" pageNumber="272">
<emphasis id="B91F8E50FFDFFFDBFF49F860FEC25AB7" bold="true" box="[151,304,2005,2030]" pageId="17" pageNumber="272">Distribution.</emphasis>
Nursehound (
<taxonomicName id="4C6B29C1FFDFFFDBFE11F863FDB75AB4" box="[463,581,2005,2029]" class="Elasmobranchii" family="Scyliorhinidae" genus="Scyliorhinus" kingdom="Animalia" order="Carcharhiniformes" pageId="17" pageNumber="272" phylum="Chordata" rank="species" species="stellaris">
<emphasis id="B91F8E50FFDFFFDBFE11F863FDB75AB4" box="[463,581,2005,2029]" italics="true" pageId="17" pageNumber="272">S. stellaris</emphasis>
</taxonomicName>
) is present in the Northeast Atlantic from southern Scandinavia to
<collectingCountry id="F37C12D2FFDFFFDBFAEEF863FA6A5AB4" box="[1328,1432,2006,2029]" name="Morocco" pageId="17" pageNumber="272">Morocco</collectingCountry>
, including the Mediterranean Sea (
<bibRefCitation id="EFFA2FB3FFDCFFD8FDFCFF22FCAB5DE9" author="Stehmann" box="[546,857,151,176]" pageId="18" pageNumber="273" refString="Stehmann, M. F. W. &amp; Burkel D. L. (1984). Rajidae. In: Whitehead P. J. P., Bauchot, M. - L., Hureaun, J. - C., Nielsen, J. &amp; Tortonese, E. (Eds) Fishes of the North-eastern Atlantic and the Mediterranean. Vol. I. pp. 163 - 196. UNESCO, Paris, 163 - 196." type="book chapter" year="1984">Stehmann &amp; Bürkel, 1984</bibRefCitation>
). Around the British Isles, it is most abundant in shallow waters close to rocky shores in the Irish Sea and English Channel (
<bibRefCitation id="EFFA2FB3FFDCFFD8FBC3FF09FB185D8C" author="Ellis" box="[1053,1258,188,213]" pageId="18" pageNumber="273" refString="Ellis, J. R., Cruz-Martinez, A., Rackham, B. D. &amp; Rogers, S. I. (2005) The distribution of chondrichthyan fishes around the British Isles and implications for conservation. Journal of Northwest Atlantic Fishery Science, 35, 195 - 213. http: // dx. doi. org / 10.2960 / J. v 35. m 485" type="journal article" year="2005">
Ellis
<emphasis id="B91F8E50FFDCFFD8FB83FF08FB695D8D" box="[1117,1179,188,212]" italics="true" pageId="18" pageNumber="273">et al.</emphasis>
, 2005
</bibRefCitation>
). The eggcases reported to the Great Eggcase Hunt were predominantly from along the southern and western coasts of
<collectingCountry id="F37C12D2FFDCFFD8FAE1FF6AFA6E5DA1" box="[1343,1436,223,248]" name="United Kingdom" pageId="18" pageNumber="273">England</collectingCountry>
and
<collectingCountry id="F37C12D2FFDCFFD8FF18FEB1FEFC5C44" box="[198,270,260,285]" name="United Kingdom" pageId="18" pageNumber="273">Wales</collectingCountry>
.
</paragraph>
</subSubSection>
<subSubSection id="C37101C9FFDCFFD8FF19FE92FC5E5C89" pageId="18" pageNumber="273" type="materials_examined">
<paragraph id="8BD45242FFDCFFD8FF19FE92FC5E5C89" blockId="18.[151,1437,151,789]" pageId="18" pageNumber="273">
<materialsCitation id="3B03581FFFDCFFD8FF19FE92FC5E5C89" ID-GBIF-Occurrence="1291550999" collectionCode="BMNH" country="United Kingdom" county="Irish Sea" location="Material" municipality="Others" pageId="18" pageNumber="273" specimenCode="BMNH 1910.1, BMNH 1940.4" specimenCount="1">
<emphasis id="B91F8E50FFDCFFD8FF19FE92FE425C19" bold="true" box="[199,432,295,320]" pageId="18" pageNumber="273">
<location id="8EB40499FFDCFFD8FF19FE92FEDD5C19" LSID="urn:lsid:plazi:treatment:03C2E354FFDFFFD9FF49F83BFF245CF4:8EB40499FFDCFFD8FF19FE92FEDD5C19" box="[199,303,295,320]" country="United Kingdom" county="Irish Sea" municipality="Others" name="Material" pageId="18" pageNumber="273">Material</location>
examined.
</emphasis>
<location id="8EB40499FFDCFFD8FE66FE92FDC25C19" LSID="urn:lsid:plazi:treatment:03C2E354FFDFFFD9FF49F83BFF245CF4:8EB40499FFDCFFD8FE66FE92FDC25C19" box="[440,560,295,320]" country="United Kingdom" county="Irish Sea" municipality="Others" name="Fifty-eight" pageId="18" pageNumber="273">Fifty-eight</location>
eggcases were examined.
<location id="8EB40499FFDCFFD8FC84FE92FC855C19" LSID="urn:lsid:plazi:treatment:03C2E354FFDFFFD9FF49F83BFF245CF4:8EB40499FFDCFFD8FC84FE92FC855C19" box="[858,887,295,320]" country="United Kingdom" county="Irish Sea" municipality="Others" name="Of" pageId="18" pageNumber="273">Of</location>
these, the majority (n = 45) were from the
<location id="8EB40499FFDCFFD8FA80FE9DFEC05C3D" LSID="urn:lsid:plazi:treatment:03C2E354FFDFFFD9FF49F83BFF245CF4:8EB40499FFDCFFD8FA80FE9DFEC05C3D" country="United Kingdom" county="Irish Sea" municipality="Others" name="Great Eggcase Hunt" pageId="18" pageNumber="273">Great Eggcase Hunt</location>
(submitted mainly from southwestern coasts of
<collectingCountry id="F37C12D2FFDCFFD8FC94FEF9FC5F5C3C" box="[842,941,332,357]" name="United Kingdom" pageId="18" pageNumber="273">England</collectingCountry>
).
<collectingMunicipality id="6BB0C838FFDCFFD8FC60FEF9FBFB5C3C" box="[958,1033,332,357]" pageId="18" pageNumber="273">Others</collectingMunicipality>
were collected during trawl surveys in the
<collectingCounty id="62B52ACEFFDCFFD8FF3CFEDAFEB55CD1" box="[226,327,367,392]" pageId="18" pageNumber="273">Irish Sea</collectingCounty>
(n = 4), examined from museum collections (n = 8;
<collectionCode id="ED7ACA87FFDCFFD8FC75FEC5FC0D5CDE" box="[939,1023,368,391]" pageId="18" pageNumber="273">BMNH</collectionCode>
1927.3.11.14;
<specimenCode id="DBCDFA39FFDCFFD8FB64FEC5FA945CD1" box="[1210,1382,368,392]" collectionCode="BMNH" pageId="18" pageNumber="273">
<collectionCode id="ED7ACA87FFDCFFD8FB64FEC5FAFC5CDE" box="[1210,1294,368,391]" pageId="18" pageNumber="273">BMNH</collectionCode>
1910.1
</specimenCode>
.18.2 labelled incorrectly as
<taxonomicName id="4C6B29C1FFDCFFD8FE48FE21FDAC5CF5" box="[406,606,404,428]" class="Elasmobranchii" family="Scyliorhinidae" genus="Scyllium" higherTaxonomySource="CoL" kingdom="Animalia" order="Carcharhiniformes" pageId="18" pageNumber="273" phylum="Chordata" rank="species" species="canicula">
<emphasis id="B91F8E50FFDCFFD8FE48FE21FDAC5CF5" box="[406,606,404,428]" italics="true" pageId="18" pageNumber="273">Scyllium canicula</emphasis>
</taxonomicName>
;
<specimenCode id="DBCDFA39FFDCFFD8FDB3FE20FCEB5CF5" box="[621,793,404,428]" collectionCode="BMNH" pageId="18" pageNumber="273">
<collectionCode id="ED7ACA87FFDCFFD8FDB3FE20FD335CF5" box="[621,705,405,428]" pageId="18" pageNumber="273">BMNH</collectionCode>
1940.4
</specimenCode>
.2.1 labelled incorrectly as
<taxonomicName id="4C6B29C1FFDCFFD8FB9BFE21FACB5CF5" box="[1093,1337,404,428]" class="Elasmobranchii" family="Scyliorhinidae" genus="Scyliorhinus" kingdom="Animalia" order="Carcharhiniformes" pageId="18" pageNumber="273" phylum="Chordata" rank="species" species="canicula">
<emphasis id="B91F8E50FFDCFFD8FB9BFE21FACB5CF5" box="[1093,1337,404,428]" italics="true" pageId="18" pageNumber="273">Scyliorhinus canicula</emphasis>
</taxonomicName>
;
<collectionCode id="ED7ACA87FFDCFFD8FA96FE20FA6E5CF5" box="[1352,1436,405,428]" pageId="18" pageNumber="273">BMNH</collectionCode>
2008.10.8.3;
<collectionCode id="ED7ACA87FFDCFFD8FEF5FE0DFE8D5C96" box="[299,383,440,463]" pageId="18" pageNumber="273">BMNH</collectionCode>
89.2.1.4496) and from a public aquarium (n = 1).
</materialsCitation>
</paragraph>
</subSubSection>
<subSubSection id="C37101C9FFDCFFD8FF19FE69FEC05E4C" pageId="18" pageNumber="273" type="description">
<paragraph id="8BD45242FFDCFFD8FF19FE69FEC05E4C" blockId="18.[151,1437,151,789]" pageId="18" pageNumber="273">
<emphasis id="B91F8E50FFDCFFD8FF19FE69FEAB5CAC" bold="true" box="[199,345,476,501]" pageId="18" pageNumber="273">Description.</emphasis>
The eggcase of
<taxonomicName id="4C6B29C1FFDCFFD8FDD0FE69FD765CAD" box="[526,644,476,500]" class="Elasmobranchii" family="Scyliorhinidae" genus="Scyliorhinus" kingdom="Animalia" order="Carcharhiniformes" pageId="18" pageNumber="273" phylum="Chordata" rank="species" species="stellaris">
<emphasis id="B91F8E50FFDCFFD8FDD0FE69FD765CAD" box="[526,644,476,500]" italics="true" pageId="18" pageNumber="273">S. stellaris</emphasis>
</taxonomicName>
(
<figureCitation id="13504EC7FFDCFFD8FD4CFE69FD015CAD" box="[658,755,476,501]" captionStart="FIGURE 8" captionStartId="18.[151,250,1975,1997]" captionTargetBox="[372,1217,847,1948]" captionTargetId="figure@18.[363,1223,841,1954]" captionTargetPageId="18" captionText="FIGURE 8. Eggcases of (a) Galeus melastomus, (b) Scyliorhinus canicula and (c) Scyliorhinus stellaris." httpUri="https://zenodo.org/record/272107/files/figure.png" pageId="18" pageNumber="273">Figure 8</figureCitation>
c;
<tableCitation id="C6E967F9FFDCFFD8FCD2FE69FC925CAD" box="[780,864,476,501]" captionStart="TABLE 2" captionStartId="17.[151,239,368,391]" captionText="TABLE 2. Dimensions of catshark (Scyliorhinidae) eggcases from the waters around the British Isles (Northeast Atlantic). All measurements in mm." pageId="18" pageNumber="273">Table 2</tableCitation>
) is moderately large and elongated, typically 106.4 ±
<quantity id="4C93FFA7FFDCFFD8FF71FDB5FEF55F4E" box="[175,263,512,536]" metricMagnitude="-3" metricUnit="m" metricValue="7.2" pageId="18" pageNumber="273" unit="mm" value="7.2">7.2 mm</quantity>
(89.0
<quantity id="4C93FFA7FFDCFFD8FE87FE4AFE3F5F41" box="[345,461,511,536]" metricMagnitude="-1" metricUnit="m" metricValue="1.251" pageId="18" pageNumber="273" unit="mm" value="125.1">125.1 mm</quantity>
) in length and with a greatest eggcase width of 34.1 ±
<quantity id="4C93FFA7FFDCFFD8FB97FDB5FB535F4E" box="[1097,1185,512,536]" metricMagnitude="-4" metricUnit="m" metricValue="9.0" pageId="18" pageNumber="273" unit="mm" value="0.9">0.9 mm</quantity>
(
<quantity id="4C93FFA7FFDCFFD8FB6FFE4AFAAE5F41" box="[1201,1372,511,536]" metricMagnitude="-2" metricUnit="m" metricValue="3.47" metricValueMax="3.67" metricValueMin="3.27" pageId="18" pageNumber="273" unit="mm" value="34.7" valueMax="36.7" valueMin="32.7">32.736.7 mm</quantity>
). The capsule is flattened along the neck of the eggcase towards the anterior end, and both dorsal and ventral surfaces are convex towards the posterior end. Instead of keels, the eggcase has well developed marginal walls bearing pronounced latitudinal grooves. The anterior of the eggcase is broad, straight and has no apron. The posterior end is concave with a narrow apron. Thick, curled tendrils extend from the terminus of the marginal walls on each corner of the capsule with grooves extending the length of the tendrils. The capsule, which has irregular longitudinal striations, varies in colour from light amber to dark brown, but occasionally even green or black, or displaying pigmentation.
</paragraph>
</subSubSection>
<caption id="DF1402CAFFDCFFD8FF49F802FB4E5A94" box="[151,1212,1975,1997]" httpUri="https://zenodo.org/record/272107/files/figure.png" pageId="18" pageNumber="273" targetBox="[372,1217,847,1948]" targetPageId="18">
<paragraph id="8BD45242FFDCFFD8FF49F802FB4E5A94" blockId="18.[151,1212,1975,1997]" box="[151,1212,1975,1997]" pageId="18" pageNumber="273">
<emphasis id="B91F8E50FFDCFFD8FF49F802FEE05A95" bold="true" box="[151,274,1975,1997]" pageId="18" pageNumber="273">FIGURE 8.</emphasis>
Eggcases of (a)
<emphasis id="B91F8E50FFDCFFD8FE65F802FC7F5A94" box="[443,909,1975,1997]" italics="true" pageId="18" pageNumber="273">
<taxonomicName id="4C6B29C1FFDCFFD8FE65F802FD715A94" box="[443,643,1975,1997]" class="Elasmobranchii" family="Scyliorhinidae" genus="Galeus" kingdom="Animalia" order="Carcharhiniformes" pageId="18" pageNumber="273" phylum="Chordata" rank="species" species="melastomus">Galeus melastomus</taxonomicName>
, (b)
<taxonomicName id="4C6B29C1FFDCFFD8FD6FF802FC7F5A94" box="[689,909,1975,1997]" class="Elasmobranchii" family="Scyliorhinidae" genus="Scyliorhinus" kingdom="Animalia" order="Carcharhiniformes" pageId="18" pageNumber="273" phylum="Chordata" rank="species" species="canicula">Scyliorhinus canicula</taxonomicName>
</emphasis>
and (c)
<taxonomicName id="4C6B29C1FFDCFFD8FC3EF802FB455A94" box="[992,1207,1975,1997]" class="Elasmobranchii" family="Scyliorhinidae" genus="Scyliorhinus" kingdom="Animalia" order="Carcharhiniformes" pageId="18" pageNumber="273" phylum="Chordata" rank="species" species="stellaris">
<emphasis id="B91F8E50FFDCFFD8FC3EF802FB455A94" box="[992,1207,1975,1997]" italics="true" pageId="18" pageNumber="273">Scyliorhinus stellaris</emphasis>
</taxonomicName>
.
</paragraph>
</caption>
<subSubSection id="C37101C9FFDDFFD9FF19FF22FF245CF4" pageId="19" pageNumber="274" type="discussion">
<paragraph id="8BD45242FFDDFFD9FF19FF22FF245CF4" blockId="19.[151,1436,151,429]" pageId="19" pageNumber="274">
<materialsCitation id="3B03581FFFDDFFD9FF19FF22FF245CF4" ID-GBIF-Occurrence="1291550997" country="United Kingdom" location="Devon" pageId="19" pageNumber="274" specimenCount="1" stateProvince="Devon">
<emphasis id="B91F8E50FFDDFFD9FF19FF22FEC95DE9" bold="true" box="[199,315,151,176]" pageId="19" pageNumber="274">Remarks.</emphasis>
This is the largest eggcase of an oviparous shark found in the Northeast Atlantic. The length and width of historic samples (n = 8) closely matched the size range of contemporary samples measured during this study. The curled tendrils extending from the capsule are used to anchor the eggcase to a substrate while the embryo develops over a 911 month incubation period (
<bibRefCitation id="EFFA2FB3FFDDFFD9FCC3FEB1FC5E5C44" author="Orton" box="[797,940,260,285]" pageId="19" pageNumber="274" refString="Orton, J. H. (1926) A breeding ground of the nursehound (Scyliorhinus stellaris) in the Fal Estuary. Nature, 118, 732. http: // dx. doi. org / 10.1038 / 118732 a 0" type="journal article" year="1926">Orton, 1926</bibRefCitation>
). The eggcases are deposited frequently on macroalgae in shallow water, and sessile invertebrates in slightly deeper water, including pink sea fan
<taxonomicName id="4C6B29C1FFDDFFD9FAEFFE9DFE435C3C" authority="Pallas, 1766" authorityName="Pallas" authorityYear="1766" class="Anthozoa" family="Gorgoniidae" genus="Eunicella" kingdom="Animalia" order="Alcyonacea" pageId="19" pageNumber="274" phylum="Cnidaria" rank="species" species="verrucosa">
<emphasis id="B91F8E50FFDDFFD9FAEFFE9DFEF55C3D" italics="true" pageId="19" pageNumber="274">Eunicella verrucosa</emphasis>
(Pallas, 1766)
</taxonomicName>
. The senior author has also observed the eggcases of this species in shallow waters off Wembury Point (
<collectingRegion id="49AF9CA0FFDDFFD9FE83FEC5FE5E5CD1" box="[349,428,368,392]" country="United Kingdom" name="Devon" pageId="19" pageNumber="274">Devon</collectingRegion>
,
<collectingCountry id="F37C12D2FFDDFFD9FE65FEDAFDEF5CD1" box="[443,541,367,392]" name="United Kingdom" pageId="19" pageNumber="274">England</collectingCountry>
), mostly attached to the algae
<taxonomicName id="4C6B29C1FFDDFFD9FC5BFEC5FF215CF4" authority="(Hudson) Papenfuss, 1950" authorityName="(Hudson) Papenfuss" authorityYear="1950" class="Phaeophyceae" family="Sargassaceae" genus="Cystoseira" higherTaxonomySource="GBIF" kingdom="Chromalveolata" order="Fucales" pageId="19" pageNumber="274" phylum="Heterokontophyta" rank="species" species="tamariscifolia">
<emphasis id="B91F8E50FFDDFFD9FC5BFEC5FB565CD1" box="[901,1188,368,392]" italics="true" pageId="19" pageNumber="274">Cystoseira tamariscifolia</emphasis>
(Hudson) Papenfuss, 1950
</taxonomicName>
.
</materialsCitation>
</paragraph>
</subSubSection>
</treatment>
</document>