371 lines
32 KiB
XML
371 lines
32 KiB
XML
<document id="FCF4895BAD966C006036134B503ED849" ID-DOI="10.3897/zookeys.1207.124517" ID-ZooBank="682C6C4D-D59A-4D51-9D2B-9ABDEB841CD6" ID-publisher-id="124517" URI-arpha="3B497A44-A7AD-5CF3-AE16-8AB5BC9A837E" URI-zoobank="http://zoobank.org/682C6C4D-D59A-4D51-9D2B-9ABDEB841CD6" XM.materialsCitations_approvedBy="admin" XM.treatmentCitations_approvedBy="admin" article-type="research-article" checkinTime="1721676386532" checkinUser="pensoft" docAuthor="Valentich-Scott, Paul, Griffiths, Charles, Landschoff, Jannes, Li, Ruiqi & Li, Jingchun" docDate="2024" docId="887FD09C04295E11A580FB578A3EFEB5" docLanguage="en" docName="ZooKeys 1207: 301-323" docOrigin="ZooKeys 1207" docSource="https://zookeys.pensoft.net/article/124517/download/xml/" docStyle="DocumentStyle:PensoftTaxPub.0000.journal_article.generic" docStyleName="PensoftTaxPub.0000.journal_article.generic" docTitle="Brachiomya ducentiunus Valentich-Scott, Griffiths, Landschoff, Li & Li, 2024, sp. nov." docType="treatment" docVersion="3" dtd-version="3.0" lastPageNumber="323" masterDocId="3B497A44A7AD5CF3AE168AB5BC9A837E" masterDocTitle="Bivalves of superfamily Galeommatoidea (Mollusca, Bivalvia) from western South Africa, with observations on commensal relationships and habitats" masterLastPageNumber="323" masterPageNumber="301" pageNumber="301" updateTime="1721683460413" updateUser="admin">
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<mods:mods id="F58C41738AD9219531CF96F3A3517B97" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo id="1AB5AD976789DB33F885AA43391665CB">
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<mods:title id="846F3F36E2A057B46704D251F6C2AC54">Bivalves of superfamily Galeommatoidea (Mollusca, Bivalvia) from western South Africa, with observations on commensal relationships and habitats</mods:title>
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</mods:titleInfo>
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<mods:name id="966322D8FAAAE9082546C2A00D2A315D" type="personal">
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<mods:namePart id="864E44C8003F04C7A933A82701FB23C2">Valentich-Scott, Paul</mods:namePart>
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<mods:nameIdentifier id="A89F499BBE1D03A532B589C3F761D386" type="ORCID">0000-0003-0019-7643</mods:nameIdentifier>
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<mods:affiliation id="AE47704EF585FE22E79D291718ACC14A">Santa Barbara Museum of Natural History, 2259 Puesta del Sol Road, Santa Barbara, CA 93105, USA</mods:affiliation>
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</mods:name>
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<mods:name id="B6F0B80FB73D5E3DA8BFFB6A1B32AB99" type="personal">
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<mods:roleTerm id="0AB919910DB7DD92ECB46590CE7B28B2">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="EAA480354623A5677E6EDEF9E7E634C4">Griffiths, Charles</mods:namePart>
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<mods:affiliation id="73D533802D1A84F7CB6763154A9B301A">Department of Biological Sciences, University of Cape Town, Private Bag X 3, Rondebosch 7701, South Africa</mods:affiliation>
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</mods:name>
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<mods:name id="35EC73FDE7CEF393AD0BCB650EF9C837" type="personal">
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<mods:roleTerm id="3A2E468C9B4CBDD295310AA3B38C928D">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="91D41B2CFCEFB92F88F761209D7839E9">Landschoff, Jannes</mods:namePart>
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<mods:nameIdentifier id="6F3CF327CBCA286A6AB1859B5BB596F3" type="ORCID">0000-0001-9836-1530</mods:nameIdentifier>
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<mods:affiliation id="86E76B8296E6088CAEA9C03E9EA125ED">Sea Change Trust, Cape Town, Western Cape, South Africa & Department of Botany and Zoology, Stellenbosch University, Private Bag X 1, Matieland, 7602, South Africa</mods:affiliation>
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</mods:name>
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<mods:name id="D9C56221D37B3FCFB93516651E8A1FD9" type="personal">
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</mods:role>
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<mods:namePart id="00476705C925DA3BFE689ED2C05CC739">Li, Ruiqi</mods:namePart>
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<mods:nameIdentifier id="8ED278D088F319E8BA1FF784C1441B12" type="ORCID">0000-0001-9428-6094</mods:nameIdentifier>
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<mods:affiliation id="A50050BD81FA4C48AE13F4CE7713816F">Department of Ecology and Evolutionary Biology, University of Colorado Boulder, 1900 Pleasant Street, Boulder, CO 80309, USA</mods:affiliation>
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<mods:name id="0DE1752ABCC778863BFCF2BC84EF6629" type="personal">
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</mods:role>
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<mods:namePart id="D73A6F5730753F5B1C820A300199CDFD">Li, Jingchun</mods:namePart>
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<mods:affiliation id="BBAB1EA14A38B0523F5126E7A8E4D074">Department of Ecology and Evolutionary Biology, University of Colorado Boulder, 1900 Pleasant Street, Boulder, CO 80309, USA</mods:affiliation>
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<mods:typeOfResource id="A0D86A4759F4E7D79BA9DA5B102454B2">text</mods:typeOfResource>
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<mods:title id="0058DADD023FEB5D4CDCB9C5260BE520">ZooKeys</mods:title>
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<mods:part id="7A6E025CB07F0BDE0B0BB59CBFFBB239">
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<mods:date id="043F87E9EDBFDB6521485D8CC02E9F26">2024</mods:date>
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<mods:number id="98B23DDB0A8D491709FFED76DB083AE3">2024-07-22</mods:number>
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<mods:detail id="A1ACFA181421379143CB239BC320FD09" type="volume">
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<mods:number id="BDB462B5DA328961419F1D167083FB2A">1207</mods:number>
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<mods:classification id="5B8D5DB8ED97E9B396DF47E2380495EC">journal article</mods:classification>
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<mods:identifier id="6653625EE6DF9BC89AAF7EBB03EBB827" type="DOI">10.3897/zookeys.1207.124517</mods:identifier>
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<mods:identifier id="19B4401FB06AC47F40DEF0C725D1A948" type="ZooBank">682C6C4D-D59A-4D51-9D2B-9ABDEB841CD6</mods:identifier>
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</mods:mods>
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<treatment id="887FD09C04295E11A580FB578A3EFEB5" ID-DOI="http://doi.org/10.5281/zenodo.12796864" ID-Zenodo-Dep="12796864" ID-arpha="887FD09C-0429-5E11-A580-FB578A3EFEB5" ID-zoobank="https://zoobank.org/25211096-71D8-41CA-A5CF-DADEDA4CD18B" LSID="urn:lsid:plazi:treatment:887FD09C04295E11A580FB578A3EFEB5" LSID-ZBK="urn:lsid:zoobank.org:act:25211096-71D8-41CA-A5CF-DADEDA4CD18B" httpUri="http://treatment.plazi.org/id/887FD09C04295E11A580FB578A3EFEB5">
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<subSubSection id="CB10AFBA4365C46D97419302FEBAAD12" type="nomenclature">
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<paragraph id="5A7629B2ABEDBFF29AFCEEFEC55C6518">
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||
<taxonomicName id="741605C8E91C15C6EC35645A0C3A986B" authorityName="Valentich-Scott & Griffiths & Landschoff & Li & Li" authorityYear="2024" class="Bivalvia" family="Montacutidae" genus="Brachiomya" kingdom="Animalia" order="Galeommatida" phylum="Mollusca" rank="species" species="ducentiunus" status="sp. nov.">
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||
<emphasis id="D5B46C53603FA8E5926A5BB533AA11ED" italics="true">Brachiomya ducentiunus</emphasis>
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||
</taxonomicName>
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<taxonomicNameLabel id="4367838668BBF9B05D29B05B299C52E8" rank="species">sp. nov.</taxonomicNameLabel>
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||
</paragraph>
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||
</subSubSection>
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||
<subSubSection id="DAD96713AFD5766C642A619CAA01B428" type="description">
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||
<paragraph id="8D2A430874F1DB4BF20E4DD7BB3DABD6">
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||
<figureCitation id="1FF0E477ADD4F3333550B45D26C31628" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Brachiomya ducentiunus sp. nov. A, B holotype, SBMNH 713162, length 2.50 mm, height 1.75 mm A exterior of right valve B exterior of left valve C – H paratypes, SBMNH 666970, crystallization on exterior and interior of shell is from dried bleach, not a sculpture element C exterior of right valve, length 2.17 mm, height 1.38 mm D exterior of left valve, length 2.40 mm, height 1.56 mm E interior of left valve, length 1.87 mm, height 1.19 mm F interior of right valve, length 2.42 mm, height 1.67 mm G hinge of right valve H hinge of left valve." figureDoi="10.3897/zookeys.1207.124517.figure1" httpUri="https://binary.pensoft.net/fig/1097710">Figs 1 A – H</figureCitation>
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,
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<figureCitation id="B0CD8737F0F8BE73E01E290B7B1E46F1" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Brachiomya ducentiunus new species, living animals A, B crawling on hard substrate C overview of specimens crawling on the aboral surface of urchin Spatagobrissus mirabilis D crawling on urchin spine with mantle and foot extended E, F extended mantle between urchin spines." figureDoi="10.3897/zookeys.1207.124517.figure2" httpUri="https://binary.pensoft.net/fig/1097711">2 A – F</figureCitation>
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<xref id="1339AFC80E62C6233AB105EE1DF356FA" ref-type="supplementary-material" rid="S2">, Suppl. material 2</xref>
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||
</paragraph>
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||
</subSubSection>
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||
<subSubSection id="SECID0E6PAE" type="type locality">
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||
<paragraph id="CEBC2A9F4F36A7F6C8BC5AEFCEED3344">
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||
<heading id="830AA1D2F402F570B4F1E23E8917AF6D" reason="title">Type locality.</heading>
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||
</paragraph>
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||
<paragraph id="3E31FAF0199B41EA4DB525FE8AEDA790">
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||
Miller’s Point Lagoon, in False Bay,
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<collectingRegion id="2D94A137E0F59BC02CAA280425FBFBCE" country="South Africa" name="Western Cape">Western Cape Province</collectingRegion>
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,
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<collectingCountry id="8532C17C5F25CCCC2701D3CE19C53CAA" name="South Africa">South Africa</collectingCountry>
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;
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<named-content content-type="dwc:verbatimCoordinates" id="NCID0EIQAE" specific-use="{"type":"Point","coordinates":[18.477000,-34.231000]}">
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||
<geoCoordinate id="A6591618CE50F522F57147CA2EA9BFFB" degrees="34.231" direction="south" orientation="latitude" precision="55" value="-34.231">34.231 ° S</geoCoordinate>
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||
,
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||
<geoCoordinate id="692354F6FB9EF341C4F04FD2E4423D91" degrees="18.477" direction="east" orientation="longitude" precision="55" value="18.477">18.477 ° E</geoCoordinate>
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||
</named-content>
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||
;
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||
<quantity id="0A86D978ABEEBA4B4024B3E4A7ADC023" metricMagnitude="0" metricUnit="m" metricValue="3.0" unit="m" value="3.0">3 m</quantity>
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||
; attached to spines, or crawling amongst spines of
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<taxonomicName id="7737D43A3D488DE68DB9AE640DE04080" authority="(Clark, 1923)" baseAuthorityName="Clark" baseAuthorityYear="1923" class="Echinoidea" family="Maretiidae" genus="Spatagobrissus" kingdom="Animalia" order="Spatangoida" phylum="Echinodermata" rank="species" species="mirabilis">
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||
<emphasis id="45891FAAD0CAB564F129A0B93A9310D7" italics="true">Spatagobrissus mirabilis</emphasis>
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||
(
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<bibRefCitation id="C19E815CF848753AE42A4F4D0A2B14AF" author="Clark HL" journalOrPublisher="Annals of the South African Museum" pagination="221-435" refId="B8" refString="Clark HL (1923) Echinoderm fauna of South Africa. Annals of the South African Museum 13: 221 - 435. [pls. 8 - 23]" title="Echinoderm fauna of South Africa." volume="13" year="1923">Clark, 1923</bibRefCitation>
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||
)
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||
</taxonomicName>
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||
, collected by Charles Griffiths,
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<date id="46A6C51D4356BF69C0ABCF42079BDEF4" value="2018-07">July 2018</date>
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.
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||
</paragraph>
|
||
</subSubSection>
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||
<subSubSection id="SECID0EYQAE" type="type material">
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||
<paragraph id="FE36A743AFE6BD76B95AB256E4A1D5FC">
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<heading id="A7587728C12232C1888AB5132A873072" reason="title">Type material.</heading>
|
||
</paragraph>
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||
<paragraph id="90B75098F8015F64C437A39A510D1A63">
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<materialsCitation id="450C1954AE5592C839511A1C37CCE899" collectingDate="2016-06-09" collectionCode="SBMNH, UCM" collectorName="Jannes Landschoff & Craig Foster" specimenCode="SBMNH 713162" specimenCount="1" typeStatus="holotype">
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||
<emphasis id="5B521984558C2D6930B4AB75ECC5CDD4" bold="true" italics="true">
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||
<typeStatus id="6D11E0FCBD0655E746B308CF18DC9F99" type="holotype">Holotype</typeStatus>
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||
</emphasis>
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||
(Fig.
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<figureCitation id="C485E016BF38453F7944705C15EE3111" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Brachiomya ducentiunus sp. nov. A, B holotype, SBMNH 713162, length 2.50 mm, height 1.75 mm A exterior of right valve B exterior of left valve C – H paratypes, SBMNH 666970, crystallization on exterior and interior of shell is from dried bleach, not a sculpture element C exterior of right valve, length 2.17 mm, height 1.38 mm D exterior of left valve, length 2.40 mm, height 1.56 mm E interior of left valve, length 1.87 mm, height 1.19 mm F interior of right valve, length 2.42 mm, height 1.67 mm G hinge of right valve H hinge of left valve." figureDoi="10.3897/zookeys.1207.124517.figure1" httpUri="https://binary.pensoft.net/fig/1097710">1 A, B</figureCitation>
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||
),
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<specimenCode id="F804D995549686E0525E2E45F9657E00" collectionCode="SBMNH" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34834" lsid="urn:lsid:biocol.org:col:34834" name="Santa Barbara Museum of Natural History" type="Museum">
|
||
<named-content id="F9365F79F2B4E6A4FD57D258DA1B99A3" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/santa-barbara-museum-natural-history" xlink_title="Santa Barbara Museum of Natural History">SBMNH</named-content>
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||
713162
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</specimenCode>
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||
, length
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||
<quantity id="8DB849E5CA385548ECCFD796A8DA546F" metricMagnitude="-3" metricUnit="m" metricValue="2.5" unit="mm" value="2.5">2.50 mm</quantity>
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||
, height
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||
<quantity id="EB71333F3F35B97390D7F3A844AFFC83" metricMagnitude="-3" metricUnit="m" metricValue="1.75" unit="mm" value="1.75">1.75 mm</quantity>
|
||
, preserved in 70 % EtOH
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||
</materialsCitation>
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||
.
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<materialsCitation id="C5A8D32297C03695660FE03D84CCE02D" collectingDate="2016-06-09" collectionCode="SBMNH, UCM" collectorName="Jannes Landschoff & Craig Foster" specimenCode="SAMC-A 096817" specimenCount="13" typeStatus="paratype">
|
||
<specimenCount id="033DAFDAA5F4A2BA70C480960788D3C8">13</specimenCount>
|
||
<emphasis id="40EF574DA4405F21BC306C9079A87CB5" bold="true" italics="true">
|
||
<typeStatus id="59C488209FF682CD9014C7D185EC9A35">Paratypes</typeStatus>
|
||
</emphasis>
|
||
,
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||
<specimenCode id="1A0D9466D59CA5691904DB7D1B4AD9A8" collectionCode="SAMC-A">SAMC-A 096817</specimenCode>
|
||
, same locality as holotype, largest specimen length
|
||
<quantity id="EC8ABA572B9A28B93010E7B9752EC6C7" metricMagnitude="-3" metricUnit="m" metricValue="2.5" unit="mm" value="2.5">2.5 mm</quantity>
|
||
, height
|
||
<quantity id="AC5E0251C31DD95EC5070EB226D9E878" metricMagnitude="-3" metricUnit="m" metricValue="1.7" unit="mm" value="1.7">1.7 mm</quantity>
|
||
, preserved in 70 % EtOH, collected by
|
||
<collectorName id="E973DE7C1EF1F9B6021338489B1A9A2E">Jannes Landschoff</collectorName>
|
||
and
|
||
<collectorName id="13273A68B16184940F7B8431DC2EEC4E">Craig Foster</collectorName>
|
||
,
|
||
<date id="2412CCD1125DAF569D785D63CB3F21A6" value="2016-06-09">
|
||
<collectingDate id="C0E7913E175E7037E37B5B2FA3330A0D" value="2016-06-09">9 June 2016</collectingDate>
|
||
</date>
|
||
</materialsCitation>
|
||
.
|
||
<materialsCitation id="09057E678C27C9DDE492789FFDF8BC86" collectingDate="2016-06-09" collectionCode="SBMNH, UCM" collectorName="Jannes Landschoff & Craig Foster" specimenCode="SBMNH 666970" specimenCount="7" typeStatus="paratype">
|
||
<specimenCount id="E29E0B22B506D7A54F05C6C97B2BE533">7</specimenCount>
|
||
<emphasis id="40D08409D435681342ACE800FC0E72AA" bold="true" italics="true">
|
||
<typeStatus id="54B1E9A15E44827A551084F22DF7007E">Paratypes</typeStatus>
|
||
</emphasis>
|
||
,
|
||
<specimenCode id="4B2831F0F54BF53684885313B4ABE226" collectionCode="SBMNH" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34834" lsid="urn:lsid:biocol.org:col:34834" name="Santa Barbara Museum of Natural History" type="Museum">
|
||
<named-content id="DBA9AD58778B5B26A8CC1797D3E84F3F" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/santa-barbara-museum-natural-history" xlink_title="Santa Barbara Museum of Natural History">SBMNH</named-content>
|
||
666970
|
||
</specimenCode>
|
||
, same locality and collector as holotype (Fig.
|
||
<figureCitation id="2CA3B8551FE429AD5E3448CD08133F24" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Brachiomya ducentiunus sp. nov. A, B holotype, SBMNH 713162, length 2.50 mm, height 1.75 mm A exterior of right valve B exterior of left valve C – H paratypes, SBMNH 666970, crystallization on exterior and interior of shell is from dried bleach, not a sculpture element C exterior of right valve, length 2.17 mm, height 1.38 mm D exterior of left valve, length 2.40 mm, height 1.56 mm E interior of left valve, length 1.87 mm, height 1.19 mm F interior of right valve, length 2.42 mm, height 1.67 mm G hinge of right valve H hinge of left valve." figureDoi="10.3897/zookeys.1207.124517.figure1" httpUri="https://binary.pensoft.net/fig/1097710">1 C – H</figureCitation>
|
||
), dried specimens mounted on SEM stub; length
|
||
<quantity id="143A30F1CCF09DB4210AAD7649DA0580" metricMagnitude="-3" metricUnit="m" metricValue="2.17" unit="mm" value="2.17">2.17 mm</quantity>
|
||
, height
|
||
<quantity id="31ACE22AD3303430D88F69BFD27A533E" metricMagnitude="-3" metricUnit="m" metricValue="1.38" unit="mm" value="1.38">1.38 mm</quantity>
|
||
; length
|
||
<quantity id="763AAB09F7C9CEB3D749C97205941E2A" metricMagnitude="-3" metricUnit="m" metricValue="2.4" unit="mm" value="2.4">2.40 mm</quantity>
|
||
, height
|
||
<quantity id="BC29A0C4678F777CD04F2787D48118E5" metricMagnitude="-3" metricUnit="m" metricValue="1.56" unit="mm" value="1.56">1.56 mm</quantity>
|
||
; length
|
||
<quantity id="C72101940B4DAD31E5F15D56A479CBE6" metricMagnitude="-3" metricUnit="m" metricValue="1.87" unit="mm" value="1.87">1.87 mm</quantity>
|
||
, height
|
||
<quantity id="128C1946AC005B50EE5E4E05B8E19561" metricMagnitude="-3" metricUnit="m" metricValue="1.19" unit="mm" value="1.19">1.19 mm</quantity>
|
||
; length
|
||
<quantity id="D525C899457ED0E7264F3F4E4349BB96" metricMagnitude="-3" metricUnit="m" metricValue="2.42" unit="mm" value="2.42">2.42 mm</quantity>
|
||
, height
|
||
<quantity id="4B85AC2C00E2865B296D46518E02D470" metricMagnitude="-3" metricUnit="m" metricValue="1.67" unit="mm" value="1.67">1.67 mm</quantity>
|
||
</materialsCitation>
|
||
.
|
||
<materialsCitation id="6BBE1E311BFC190AB096A11B0AC05911" collectingDate="2016-06-09" collectionCode="SBMNH, UCM" collectorName="Jannes Landschoff & Craig Foster" specimenCode="UCM 60476" specimenCount="1" typeStatus="paratype">
|
||
<specimenCount id="0273E807BA88633015F2B07930F32211" type="generic">1</specimenCount>
|
||
<emphasis id="83F3E0EAC397B9FB133B0A0984E2BE79" bold="true" italics="true">
|
||
<typeStatus id="6D48D0D918B4D78488C7978FC07F59E8">Paratype</typeStatus>
|
||
</emphasis>
|
||
,
|
||
<specimenCode id="AAD411FFD35C094C906726BA4A0E7E99" collectionCode="UCM" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34854" lsid="urn:lsid:biocol.org:col:34854" name="University of Colorado Museum of Natural History" type="University or college">
|
||
<named-content id="3BD993CAF87BB22DF4CABEA8E2788D85" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/university-colorado-museum-natural-history" xlink_title="Museum of Natural History, University of Colorado">UCM</named-content>
|
||
60476
|
||
</specimenCode>
|
||
; length
|
||
<quantity id="DDE5B2DF41F3991C9ACE4D363A825374" metricMagnitude="-3" metricUnit="m" metricValue="1.5" unit="mm" value="1.5">1.5 mm</quantity>
|
||
, height 1.0 mm
|
||
</materialsCitation>
|
||
.
|
||
</paragraph>
|
||
<caption id="AA2E03021661FF5A4BBD893D3CD074AB" ID-DOI="10.3897/zookeys.1207.124517.figure1" ID-arpha="2455F526-63FA-5D2A-953E-8995C8018E91" httpUri="https://binary.pensoft.net/fig/1097710" startId="F1">
|
||
<paragraph id="48256D27FB4D5863E52F7821A419EA37">
|
||
<label id="9F925F917AA448754D34ABCEEADC53C4">Figure 1.</label>
|
||
</paragraph>
|
||
<paragraph id="A7621A808686F80E690BF64052F74D26">
|
||
<taxonomicName id="E982F473D5E4677CBA05E19E2AF4644B" authorityName="Valentich-Scott & Griffiths & Landschoff & Li & Li" authorityYear="2024" class="Bivalvia" family="Lasaeidae" genus="Brachiomya" kingdom="Animalia" order="Galeommatida" phylum="Mollusca" rank="species" species="ducentiunus" status="sp. nov.">
|
||
<emphasis id="69ECACBFE51444E79C7C7E9C3BD8AC55" italics="true">Brachiomya ducentiunus</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="BEB27E9B3F9608C5220780A9A4C5C5E3" rank="species">sp. nov.</taxonomicNameLabel>
|
||
<emphasis id="2B198C0902069929EB6E388DAB8C8735" bold="true">A, B</emphasis>
|
||
holotype,
|
||
<named-content id="FEDC10A632CF4F085EDD5A4FF6047C09" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/santa-barbara-museum-natural-history" xlink_title="Santa Barbara Museum of Natural History">SBMNH</named-content>
|
||
713162, length 2.50 mm, height 1.75 mm
|
||
<emphasis id="8787A9DC584134B039A0D1B5CABA4BEB" bold="true">A</emphasis>
|
||
exterior of right valve
|
||
<emphasis id="9D957541B78D7E44BC7D711BEB5E0D4F" bold="true">B</emphasis>
|
||
exterior of left valve
|
||
<emphasis id="5C57DDED8E6885746D59BC36FBFAD00A" bold="true">C – H</emphasis>
|
||
paratypes,
|
||
<named-content id="4EC110B744578BD54D5D9DFE87880BE6" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/santa-barbara-museum-natural-history" xlink_title="Santa Barbara Museum of Natural History">SBMNH</named-content>
|
||
666970, crystallization on exterior and interior of shell is from dried bleach, not a sculpture element
|
||
<emphasis id="2E8AE2E8F004B7F28924D6D92C380B18" bold="true">C</emphasis>
|
||
exterior of right valve, length 2.17 mm, height 1.38 mm
|
||
<emphasis id="3D2E01EC3020AC0D31996F85E05A91A9" bold="true">D</emphasis>
|
||
exterior of left valve, length 2.40 mm, height 1.56 mm
|
||
<emphasis id="3EF832461E6B18F3F992967C6CC65FC2" bold="true">E</emphasis>
|
||
interior of left valve, length 1.87 mm, height 1.19 mm
|
||
<emphasis id="2324AFD2B4A0447090DD951741500FD7" bold="true">F</emphasis>
|
||
interior of right valve, length 2.42 mm, height 1.67 mm
|
||
<emphasis id="CC93B876B6A7B3BA3B4B4E1ECB68F63F" bold="true">G</emphasis>
|
||
hinge of right valve
|
||
<emphasis id="D84D8EBD4D366D03C6324A4A3270D2A7" bold="true">H</emphasis>
|
||
hinge of left valve.
|
||
</paragraph>
|
||
</caption>
|
||
</subSubSection>
|
||
<subSubSection id="SECID0EUTAE" type="description">
|
||
<paragraph id="A7F7B4C10581B73EA65298DEC7C76AB7">
|
||
<heading id="59339E61C77D1A342F3007C474B7CF86" reason="title">Description.</heading>
|
||
</paragraph>
|
||
<paragraph id="9EB268C9A7EE0952F143576F840E8002">
|
||
Shell extremely thin, fragile, moderately inflated, translucent; inequilateral, slightly longer anteriorly; ovate-elongate; anterior end obliquely truncate in larger specimens; posterior end broadly rounded; ventral margin straight, slightly invaginated in some; dorsal margin gently sloping from umbos; shell margins weakly gaping; prodissoconch well defined, umbonate, smooth, subcircular; prodissoconch length ~ 350 μm; external sculpture of commarginal striae, with few widely spaced radial striae, especially anteriorly; umbos low, wide; hinge plate extremely narrow, with one minute pseudocardinal in each valve; ligament internal, very short. Length up to
|
||
<quantity id="DB27F931AFC07DA01CC9AA7331D98726" metricMagnitude="-3" metricUnit="m" metricValue="2.7" unit="mm" value="2.7">2.7 mm</quantity>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="E1C3B81CBEBA03B19C1990F48653EEBF">
|
||
<emphasis id="3EB27DF3294BA669F48A5B9DCDF72D97" bold="true">
|
||
<emphasis id="E54C37DAB2397E8A4C5F2C852B32F670" bold="true" italics="true">Mantle</emphasis>
|
||
.
|
||
</emphasis>
|
||
Large, reflected, covering ~ 95 % of outer shell surface when fully extended, but not fully covering umbos; mantle can be almost completely retracted into the shell; reflected portion with low papillae; mantle near shell margin with longer tentacles; anterior end with large cowl, serrate on end; cowl can be greatly extended (Fig.
|
||
<figureCitation id="E9896CF7330925AEDC60F5ECBB36B884" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Brachiomya ducentiunus new species, living animals A, B crawling on hard substrate C overview of specimens crawling on the aboral surface of urchin Spatagobrissus mirabilis D crawling on urchin spine with mantle and foot extended E, F extended mantle between urchin spines." figureDoi="10.3897/zookeys.1207.124517.figure2" httpUri="https://binary.pensoft.net/fig/1097711">2 E, F</figureCitation>
|
||
; Suppl. material
|
||
<xref id="E5856445988297EA9A5AF302EC48E528" ref-type="supplementary-material" rid="S2">2</xref>
|
||
).
|
||
</paragraph>
|
||
<caption id="08AD0390FC606B4F430DABF1212267BB" ID-DOI="10.3897/zookeys.1207.124517.figure2" ID-arpha="7286E384-B002-532B-907B-608525F859A7" httpUri="https://binary.pensoft.net/fig/1097711" startId="F2">
|
||
<paragraph id="989667C2C678E755581CD55F43BB476C">
|
||
<label id="6F257B41385E34B0412ACF224EE85068">Figure 2.</label>
|
||
</paragraph>
|
||
<paragraph id="88EB9E5AF7CEF4964ED7C81404CD95A6">
|
||
<taxonomicName id="981104C7166B7D79F8634DE0A6DF6E16" authorityName="Valentich-Scott & Griffiths & Landschoff & Li & Li" authorityYear="2024" class="Bivalvia" family="Lasaeidae" genus="Brachiomya" kingdom="Animalia" order="Galeommatida" phylum="Mollusca" rank="species" species="ducentiunus" status="sp. nov.">
|
||
<emphasis id="D47E987C452E2B229D673C8E0D9D9469" italics="true">Brachiomya ducentiunus</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="3B9C5FBECD235A4F6F0C88D4FB9BE5E2" rank="species">new species</taxonomicNameLabel>
|
||
, living animals
|
||
<emphasis id="A95DDC93444AA647B5E50C64A5425EBD" bold="true">A, B</emphasis>
|
||
crawling on hard substrate
|
||
<emphasis id="6547B31A6621078FEAAC11EB2936BF95" bold="true">C</emphasis>
|
||
overview of specimens crawling on the aboral surface of urchin
|
||
<taxonomicName id="B0CF5C5DD5C27A7FBCCE9BC722E85F86" baseAuthorityName="Clark" baseAuthorityYear="1923" class="Echinoidea" family="Maretiidae" genus="Spatagobrissus" kingdom="Animalia" order="Spatangoida" phylum="Echinodermata" rank="species" species="mirabilis">
|
||
<emphasis id="CB310E001F452A20FA9B9C5B605852FA" italics="true">Spatagobrissus mirabilis</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="1C17FB3B15231AA3AC01657D4B1D7F7D" bold="true">D</emphasis>
|
||
crawling on urchin spine with mantle and foot extended
|
||
<emphasis id="0157E1BD337484F5BDA648983087CD6D" bold="true">E, F</emphasis>
|
||
extended mantle between urchin spines.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="56C94BC8614F86852DA1DAAB8C1184FD">
|
||
<emphasis id="99F37389DD9F48E7D328BA5F55B7842B" bold="true">
|
||
<emphasis id="12770513F5D77AC00F75299071DEB7B3" bold="true" italics="true">Foot</emphasis>
|
||
.
|
||
</emphasis>
|
||
Of moderate size, ~ the length of the shell when fully extended, vermiform, with slight heel. The species is an active crawler, and can also attach to the host by byssal threads. The foot has been observed to frequently wrap around the urchin spines as the bivalve crawls.
|
||
</paragraph>
|
||
<paragraph id="79E82573415970488AA9B3CD1BB0C707">
|
||
<emphasis id="D9E03C5BE4FF46A24DCB6C5F15600279" bold="true" italics="true">Ctenidia</emphasis>
|
||
. One demibranch on each side, comprised of ~ 30 narrowly spaced filaments in larger specimens.
|
||
</paragraph>
|
||
<paragraph id="A46DC2146DE8C995E95104A4A15C634F">
|
||
<emphasis id="B93A8100EE2B338093B372D237205336" bold="true" italics="true">Brooding</emphasis>
|
||
. Up to ten shelled juvenile specimens observed brooding in the dorsal portion of ctenidia in mature specimens.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="SECID0EGWAE" type="distribution">
|
||
<paragraph id="9FA58F8DF3CFAF8B55FD3997784F0E6B">
|
||
<heading id="147C26E3FA38507DB4EA9A20BE0CEF0B" reason="title">Distribution.</heading>
|
||
</paragraph>
|
||
<paragraph id="527E11917D53EBE71AB51864F37B7E70">
|
||
Only known from the type locality in False Bay,
|
||
<collectingCountry id="217EC338266CD7387CEE54C112F42D13" name="South Africa">South Africa</collectingCountry>
|
||
, and only found attached to the echinoid
|
||
<taxonomicName id="70EB13AFDB6DBEEA598D5B3632F4C424" baseAuthorityName="Clark" baseAuthorityYear="1923" class="Echinoidea" family="Maretiidae" genus="Spatagobrissus" kingdom="Animalia" order="Spatangoida" phylum="Echinodermata" rank="species" species="mirabilis">
|
||
<emphasis id="1D2808C574A3967C6D49B3D2C242A6CF" italics="true">Spatagobrissus mirabilis</emphasis>
|
||
</taxonomicName>
|
||
; not observed free-living.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="SECID0EXWAE" type="Commensal relationship and habitat">
|
||
<paragraph id="DB26CBCE1579AF8A77B6A1E1F5B3FF5F">
|
||
<heading id="5881ABEC55C241713AF57A6CE25F3190" reason="title">Commensal relationship and habitat.</heading>
|
||
</paragraph>
|
||
<paragraph id="C7DE14A16221920E688EBA0E4EE089FD">
|
||
Found crawling on the oral surface of the heart urchin
|
||
<taxonomicName id="DBD839A627E7BE716176B3F05F1CB5EC" baseAuthorityName="Clark" baseAuthorityYear="1923" class="Echinoidea" family="Maretiidae" genus="Spatagobrissus" kingdom="Animalia" order="Spatangoida" phylum="Echinodermata" rank="species" species="mirabilis">
|
||
<emphasis id="6E8D23AB86B9A76D2650D0ACFECDAEC5" italics="true">Spatagobrissus mirabilis</emphasis>
|
||
</taxonomicName>
|
||
. This host species was found to be living in a specialized microhabitat of coarse gravel and half-buried cobbles or boulders (at least at the type locality associated with kelp forests). At the type locality in 2018, of 10 sampled heart urchins, all had associated
|
||
<taxonomicName id="A7352DD64E16952D113BE160868E9AC6" authorityName="Jespersen, Lutzen & C. Nielsen" authorityYear="2004" class="Bivalvia" family="Lasaeidae" genus="Brachiomya" kingdom="Animalia" order="Galeommatida" phylum="Mollusca" rank="genus">
|
||
<emphasis id="4D0FBDB58A95E847DB485AA069FD8DF3" italics="true">Brachiomya</emphasis>
|
||
</taxonomicName>
|
||
on their oral surface. Densities of
|
||
<taxonomicName id="054AD1877348C713CFD2DBB487D6A4B3" authorityName="Jespersen, Lutzen & C. Nielsen" authorityYear="2004" class="Bivalvia" family="Lasaeidae" genus="Brachiomya" kingdom="Animalia" order="Galeommatida" phylum="Mollusca" rank="genus">
|
||
<emphasis id="23ADA83C2308BFE1B61F6F20C2E2A899" italics="true">Brachiomya</emphasis>
|
||
</taxonomicName>
|
||
ranged from 38 to
|
||
<specimenCount id="7A93C655DB9CE69898CDA46BEC8A4677" count="172" type="generic">172 specimens</specimenCount>
|
||
on a single host. Two other commensal species were also recorded on these same urchins, a small but very common unidentified amphipod of family
|
||
<taxonomicName id="7056260BE39FF74D7F208E1F5E30EE40" authorityName="Dana" authorityYear="1849" class="Malacostraca" family="Lysianassidae" kingdom="Animalia" order="Amphipoda" phylum="Arthropoda" rank="family">Lysianassidae</taxonomicName>
|
||
, and a large, scale worm (family
|
||
<taxonomicName id="2AA74D6D5A5F27BD1C534F6D3E7DE196" authorityName="Kinberg" authorityYear="1856" class="Polychaeta" family="Polynoidae" kingdom="Animalia" order="Phyllodocida" phylum="Annelida" rank="family">Polynoidae</taxonomicName>
|
||
), of which only a few specimens were found. The amphipod and polychaete species also both appear to be new to science.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="SECID0EAYAE" type="Discovery">
|
||
<paragraph id="A40A2252B212F85FEC3381D0BE56F418">
|
||
<heading id="702E844EEEC4BCE510A023462BE5E93F" reason="title">Discovery.</heading>
|
||
</paragraph>
|
||
<paragraph id="0BFCA301C8894FCE22ABA2A5549CB3D0">Initially discovered via free-diving in 2016 at the type locality, collected by Jannes Landschoff and Craig Foster.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="SECID0EFYAE" type="etymology">
|
||
<paragraph id="B8E6976EC9CE02C7E46EBDA4265D02C3">
|
||
<heading id="96FC15A183E881ED86EEEB8908592945" reason="title">Etymology.</heading>
|
||
</paragraph>
|
||
<paragraph id="89249CE989AA947BBCBE77DFD842E1F7">
|
||
The name
|
||
<taxonomicName id="89A97D5468B9315158B34B3CD92FCB90" authorityName="Valentich-Scott & Griffiths & Landschoff & Li & Li" authorityYear="2024" class="Bivalvia" family="Lasaeidae" genus="Brachiomya" kingdom="Animalia" order="Galeommatida" phylum="Mollusca" rank="species" species="ducentiunus">
|
||
<emphasis id="A7A1693E0B54C25711A5204069747D8A" italics="true">ducentiunus</emphasis>
|
||
</taxonomicName>
|
||
is from Latin, meaning “ 201. ” The species was discovered while preparing and working on the ‘ 1001 Seaforest Species’ project, a research and storytelling program aimed at increasing awareness of regional kelp bed ecosystems colloquially referred to as ‘ the Great African Seaforest’ (see
|
||
<ext-link id="B481CA4B5AB52776CDAC1942642D6FB6" ext-link-type="uri" xlink_href="http://www.seachangeproject.com" xlink_type="simple">www. seachangeproject. com</ext-link>
|
||
). The number 201 was chosen as a unique identifier for the 1001 program, with the goal to link each hundredths species to a species described as new to science.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="SECID0E1YAE" type="comparisons">
|
||
<paragraph id="FAC18A5FC339A8C8E9FB99ABB1910842">
|
||
<heading id="2FE45C466E30CEC37D6E2D9B60D0AA7D" reason="title">Comparisons.</heading>
|
||
</paragraph>
|
||
<paragraph id="C74C84B7D056DF75A22E5D277B8849FE">
|
||
The Pacific and Asian
|
||
<taxonomicName id="D2529E3AD8A96B4A120B5002D1B05047" baseAuthorityName="Pilsbry" baseAuthorityYear="1921" class="Bivalvia" family="Lasaeidae" genus="Brachiomya" kingdom="Animalia" order="Galeommatida" phylum="Mollusca" rank="species" species="stigmatica">
|
||
<emphasis id="CD12E7C733ABE1143055E235AF95D295" italics="true">Brachiomya stigmatica</emphasis>
|
||
</taxonomicName>
|
||
, which is the only other known species in the genus, is more evenly rounded anteriorly, has a strong rust-colored stripe medially, lacks radial striae, and has more developed teeth.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |