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<treatment ID-GBIF-Taxon="135490002" LSID="urn:lsid:plazi:treatment:12D3DC37B39B5D35CC81BC44CBD55D57" httpUri="http://treatment.plazi.org/id/12D3DC37B39B5D35CC81BC44CBD55D57" lastPageId="7" lastPageNumber="8" pageId="6" pageNumber="7">
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<taxonomicName authority="Dall, 1908" authorityName="Dall" authorityYear="1908" class="Bivalvia" family="Bathyspinulidae" genus="Bathyspinula" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Bathyspinula calcar" order="Pholadomyoida" pageId="6" pageNumber="7" phylum="Mollusca" rank="species" species="calcar">Bathyspinula calcar (Dall, 1908)</taxonomicName>
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<taxonomicName id="44C66E94332B70864E24D525A89C2816" authority="Dall, 1908" authorityName="Dall" authorityYear="1908" family="Bathyspinulidae" genus="Bathyspinula" higherTaxonomySource="treatment-meta" kingdom="Animalia" lsidName="Bathyspinula calcar" order="Pholadomyoida" pageId="6" pageNumber="7" rank="species" species="calcar">Bathyspinula calcar (Dall, 1908)</taxonomicName>
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<subSubSection lastPageId="7" lastPageNumber="8" pageId="6" pageNumber="7" type="materials_examined">
<paragraph pageId="6" pageNumber="7">Material examined.</paragraph>
<paragraph pageId="6" pageNumber="7">NHM_146 NHMUK 20170044, collected 2013-10-11, 13.75833 -116.69852, 4080 m. http://data.nhm.ac.uk/object/61f15e3c-f070-48a1-b484-780b37f7feb6</paragraph>
<paragraph pageId="7" pageNumber="8">
<pageBreakToken pageId="7" pageNumber="8" start="start">NHM</pageBreakToken>
<subSubSection id="0B975680D02C8CC955BF5CF23AFE1227" lastPageId="7" lastPageNumber="8" pageId="6" pageNumber="7" type="materials_examined">
<paragraph id="26D06DCFDC8846D37B984AE6DA562744" pageId="6" pageNumber="7">Material examined.</paragraph>
<paragraph id="0079A4C433A9998917851BCD9E7C236A" pageId="6" pageNumber="7">NHM_146 NHMUK 20170044, collected 2013-10-11, 13.75833 -116.69852, 4080 m. http://data.nhm.ac.uk/object/61f15e3c-f070-48a1-b484-780b37f7feb6</paragraph>
<paragraph id="1D011EB07CB5A600E7C80DAE964A8486" pageId="7" pageNumber="8">
<pageBreakToken id="1897EBAA7705BBDB694BE3CAFE14D297" pageId="7" pageNumber="8" start="start">NHM</pageBreakToken>
_149A NHMUK 20170045, collected 2013-10-11, 13.75833 -116.69852, 4080 m. http://data.nhm.ac.uk/object/c44da298-9b61-4d6d-a1cd-2d6c3bd70859
</paragraph>
<paragraph pageId="7" pageNumber="8">NHM_181 NHMUK 20170043, collected 2013-10-13, 13.93482 -116.55018, 4082 m. http://data.nhm.ac.uk/object/3ab74908-1a5d-465f-890c-49373a44906c</paragraph>
<paragraph pageId="7" pageNumber="8">NHM_284 NHMUK 20170046, collected 2013-10-17, 13.75583 -116.48667, 4076 m. http://data.nhm.ac.uk/object/ad2cb87b-1fce-415d-ab45-1619bbc4352b</paragraph>
<paragraph id="E52296877DE5A06A233A45CAF6642C84" pageId="7" pageNumber="8">NHM_181 NHMUK 20170043, collected 2013-10-13, 13.93482 -116.55018, 4082 m. http://data.nhm.ac.uk/object/3ab74908-1a5d-465f-890c-49373a44906c</paragraph>
<paragraph id="9D02AA1F16257E515D6C59A73CE649A9" pageId="7" pageNumber="8">NHM_284 NHMUK 20170046, collected 2013-10-17, 13.75583 -116.48667, 4076 m. http://data.nhm.ac.uk/object/ad2cb87b-1fce-415d-ab45-1619bbc4352b</paragraph>
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<paragraph pageId="7" pageNumber="8">Description.</paragraph>
<paragraph pageId="7" pageNumber="8">Shell sub-ovate, laterally compressed, with long, sharply pointed posterior rostrum. Periostracum shiny, medium brown. Posterior rostrum shorter, less defined in juveniles. Voucher specimen NHM_181 shell length 13.5 mm, width 7.6 mm (Fig. 6A).</paragraph>
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<paragraph pageId="7" pageNumber="8">
<subSubSection id="3EB9F2EDA78885ED91CD12EE57600DA3" pageId="7" pageNumber="8" type="description">
<paragraph id="FD9FD83315861A1F6F464CB1DF13865A" pageId="7" pageNumber="8">Description.</paragraph>
<paragraph id="53F3663290805422687FEB133995073E" pageId="7" pageNumber="8">Shell sub-ovate, laterally compressed, with long, sharply pointed posterior rostrum. Periostracum shiny, medium brown. Posterior rostrum shorter, less defined in juveniles. Voucher specimen NHM_181 shell length 13.5 mm, width 7.6 mm (Fig. 6A).</paragraph>
<caption id="A91575BE8987E1B4302D394AC17A27C9" pageId="7" pageNumber="8">
<paragraph id="E41653D66FDB2059AAADAD9153419CB0" pageId="7" pageNumber="8">
Figure 6.
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<taxonomicName id="7B009D8827C671090D0ECF9ECE116D41" class="Bivalvia" family="Bathyspinulidae" genus="Bathyspinula" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Bathyspinula calcar" order="Nuculanida" pageId="7" pageNumber="8" phylum="Mollusca" rank="species" species="calcar">Bathyspinula calcar</taxonomicName>
(Dall, 1908) A Specimen NHM_181, Image of live specimen after recovery, length 13.5 mm
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Specimen NHM_149A confirmed juvenile
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using DNA evidence, total length of animal ~2mm. Scale bars: 5 mm (A); 1 mm (
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). Image attribution Glover, Taylor, Dahlgren &amp; Wiklund, 2017.
</paragraph>
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<subSubSection pageId="7" pageNumber="8" type="genetic data">
<paragraph pageId="7" pageNumber="8">Genetic data.</paragraph>
<paragraph pageId="7" pageNumber="8">GenBank NHM_146 18S-157475, COI-MF157505; NHM_149A COI-MF157506; NHM_181 18S-MF157479, COI-MF157507; NHM_284 COI-MF157514.</paragraph>
<subSubSection id="4434D29119574D203BEC8B09FC225B59" pageId="7" pageNumber="8" type="genetic data">
<paragraph id="DA2492B33543364FD353575272271C03" pageId="7" pageNumber="8">Genetic data.</paragraph>
<paragraph id="AA96A1C180A7B6B0B7A166924F6361B8" pageId="7" pageNumber="8">GenBank NHM_146 18S-157475, COI-MF157505; NHM_149A COI-MF157506; NHM_181 18S-MF157479, COI-MF157507; NHM_284 COI-MF157514.</paragraph>
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<subSubSection pageId="7" pageNumber="8" type="remarks">
<paragraph pageId="7" pageNumber="8">Remarks.</paragraph>
<paragraph pageId="7" pageNumber="8">
<subSubSection id="E23AE99B24571AA4BFB7B04BAD60363F" pageId="7" pageNumber="8" type="remarks">
<paragraph id="FF6998F692A430061AF04F6E7F12B074" pageId="7" pageNumber="8">Remarks.</paragraph>
<paragraph id="0FD94190276034E9801228AAB4489A34" pageId="7" pageNumber="8">
Widely distributed in the eastern Pacific at depths of 400-5000 m (see
<bibRefCitation author="Coan, EV" journalOrPublisher="Santa Barbara Museum of Natural History Monographs" pageId="29" pageNumber="30" pagination="1 - 1258" title="Bivalve seashells of tropical west America: Marine bivalves from Baja California to northern Peru." volume="6" year="2012">Coan and Valentich-Scott 2012</bibRefCitation>
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). The holotype (USNM 110573) was collected 725 km west of Trujillo, Peru at 2370 fathoms (4334 m). Forms a unique monophyletic clade distinct from all other AB01 specimens. Genetic match in 18S to
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(GenBank KC993875) from the north eastern Pacific (
<bibRefCitation author="Sharma, PP" journalOrPublisher="Molecular Phylogenetics and Evolution" pageId="31" pageNumber="32" pagination="188 - 204" title="Into the deep: A phylogenetic approach to the bivalve subclass Protobranchia." url="https://doi.org/10.1016/j.ympev.2013.05.018" volume="69" year="2013">Sharma et al. 2013</bibRefCitation>
<bibRefCitation id="398793AF67B623BCA691D8203B06D5A3" author="Sharma, PP" journalOrPublisher="Molecular Phylogenetics and Evolution" pageId="31" pageNumber="32" pagination="188 - 204" title="Into the deep: A phylogenetic approach to the bivalve subclass Protobranchia." url="https://doi.org/10.1016/j.ympev.2013.05.018" volume="69" year="2013">Sharma et al. 2013</bibRefCitation>
), but as the GenBank 18S sequence from
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was only 289 bp long and as that specimen lacked COI, it was not included in the analyses. Some very small juvenile specimens (Fig. 6
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<normalizedToken id="98462F9B56CD1C155439F83F6090244C" originalValue="BD">B-D</normalizedToken>
) were recovered that superficially resemble
<taxonomicName class="Bivalvia" family="Nuculanidae" genus="Ledella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ledella knudseni" order="Nuculanida" pageId="7" pageNumber="8" phylum="Mollusca" rank="species" species="knudseni">Ledella knudseni</taxonomicName>
<taxonomicName id="3CBCE05B1B9162EFDFDF129F1F1B7EE5" class="Bivalvia" family="Nuculanidae" genus="Ledella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ledella knudseni" order="Nuculanida" pageId="7" pageNumber="8" phylum="Mollusca" rank="species" species="knudseni">Ledella knudseni</taxonomicName>
sp. n. (Fig. 7) and may be easily confused. Genetic data confirmed these to be
<taxonomicName class="Bivalvia" family="Bathyspinulidae" genus="Bathyspinula" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Bathyspinula calcar" order="Nuculanida" pageId="7" pageNumber="8" phylum="Mollusca" rank="species" species="calcar">Bathyspinula calcar</taxonomicName>
<taxonomicName id="B45F79C6C7AFE9C29CC38B09791763B7" class="Bivalvia" family="Bathyspinulidae" genus="Bathyspinula" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Bathyspinula calcar" order="Nuculanida" pageId="7" pageNumber="8" phylum="Mollusca" rank="species" species="calcar">Bathyspinula calcar</taxonomicName>
(Fig. 12). These may be distinguised from
<taxonomicName class="Bivalvia" family="Nuculanidae" genus="Ledella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ledella" order="Nuculanida" pageId="7" pageNumber="8" phylum="Mollusca" rank="genus">Ledella</taxonomicName>
<taxonomicName id="9C953CECD81A83F6171FBFC252E74D4A" class="Bivalvia" family="Nuculanidae" genus="Ledella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ledella" order="Nuculanida" pageId="7" pageNumber="8" phylum="Mollusca" rank="genus">Ledella</taxonomicName>
by the shiny and iridescent nature of the shell surface of
<taxonomicName lsidName="B. calcar" pageId="7" pageNumber="8" rank="species" species="calcar">B. calcar</taxonomicName>
<taxonomicName id="6191BD8E1684951A8EDB2A213DD47444" lsidName="B. calcar" pageId="7" pageNumber="8" rank="species" species="calcar">B. calcar</taxonomicName>
, which is preserved in the juveniles.
</paragraph>
</subSubSection>
<subSubSection pageId="7" pageNumber="8" type="ecology">
<paragraph pageId="7" pageNumber="8">Ecology.</paragraph>
<paragraph pageId="7" pageNumber="8">Relatively large bivalve recovered from epibenthic sledge tow in polymetallic nodule province.</paragraph>
<subSubSection id="8540BEAC3E411FF66F58FDBBB8D17522" pageId="7" pageNumber="8" type="ecology">
<paragraph id="80E0E73AC759F778E8E0C16EF23E13B6" pageId="7" pageNumber="8">Ecology.</paragraph>
<paragraph id="D3F97C4405A08FB6AF6F24613C9730F2" pageId="7" pageNumber="8">Relatively large bivalve recovered from epibenthic sledge tow in polymetallic nodule province.</paragraph>
</subSubSection>
</treatment>
</document>