284 lines
27 KiB
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284 lines
27 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.899.38892" ID-GBIF-Dataset="5fa4260e-437e-4853-800d-64924994fcd7" ID-PMC="PMC6923281" ID-Pensoft-Pub="1313-2970-899-59" ID-Pensoft-UUID="6231AE8B108655F08D3C5BB606F1B641" ID-PubMed="31871402" ID-ZooBank="E61D98E3E9E649CFBC7F2E59AF928100" ModsDocID="1313-2970-899-59" checkinTime="1576248718349" checkinUser="pensoft" docAuthor="Wall-Palmer, Deborah, Hegmann, Mona, Goetze, Erica & Peijnenburg, Katja T. C. A." docDate="2019" docId="8DE0CE00C2AB5A26A0B5736C4E942AE4" docLanguage="en" docName="ZooKeys 899: 59-84" docOrigin="ZooKeys 899" docSource="http://dx.doi.org/10.3897/zookeys.899.38892" docTitle="Atlanta vanderspoeli Wall-Palmer, Hegmann & Peijnenburg, sp. nov." docType="treatment" docVersion="4" id="6231AE8B108655F08D3C5BB606F1B641" lastPageNumber="59" masterDocId="6231AE8B108655F08D3C5BB606F1B641" masterDocTitle="Resolving species boundaries in the Atlanta brunnea species group (Gastropoda, Pterotracheoidea)" masterLastPageNumber="84" masterPageNumber="59" pageNumber="59" updateTime="1668168242345" updateUser="ExternalLinkService">
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<mods:titleInfo>
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<mods:title>Resolving species boundaries in the Atlanta brunnea species group (Gastropoda, Pterotracheoidea)</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Wall-Palmer, Deborah</mods:namePart>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Hegmann, Mona</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Goetze, Erica</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Peijnenburg, Katja T. C. A.</mods:namePart>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:title>ZooKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2019</mods:date>
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<mods:detail type="volume">
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<mods:number>899</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>59</mods:start>
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<mods:end>84</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/zookeys.899.38892</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.899.38892</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-899-59</mods:identifier>
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<mods:identifier type="ZooBank">E61D98E3E9E649CFBC7F2E59AF928100</mods:identifier>
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<treatment ID-GBIF-Taxon="160702984" LSID="urn:lsid:plazi:treatment:8DE0CE00C2AB5A26A0B5736C4E942AE4" httpUri="http://treatment.plazi.org/id/8DE0CE00C2AB5A26A0B5736C4E942AE4" lastPageNumber="59" pageId="0" pageNumber="59">
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<subSubSection pageId="0" pageNumber="59" type="nomenclature">
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<paragraph pageId="0" pageNumber="59">
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<taxonomicName LSID="8DE0CE00-C2AB-5A26-A0B5-736C4E942AE4" authority="Wall-Palmer, Hegmann & Peijnenburg" class="Gastropoda" family="Atlantidae" genus="Atlanta" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Atlanta vanderspoeli" order="Littorinimorpha" pageId="0" pageNumber="59" phylum="Mollusca" rank="species" species="vanderspoeli">Atlanta vanderspoeli Wall-Palmer, Hegmann & Peijnenburg</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="59">sp. nov.</taxonomicNameLabel>
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<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Scanning Electron Microscopy (SEM) and stacked light microscopy images of representative specimens of A. brunnea: A, B DANA _ 3929 VIII C SN 105 _ 08, A. vanderspoeli: D-E DANA _ 3558 VII (Holotype, NHMD- 232132) F KH 1110 _ 15 and A. turriculata: G, H DANA _ 3929 VIII I SN 105 _ 19. Apical angle is the most useful morphological feature for distinguishing between the species (B-C, E-F, H-I). The shell of A. brunnea is always brown (C); however, the colour of A. vanderspoeli and A. turriculata shell and soft tissues (F, I) can vary and these are not reliable features for identification." figureDoi="10.3897/zookeys.899.38892.figure7" httpUri="https://binary.pensoft.net/fig/364532" pageId="0" pageNumber="59" tableDoi="10.3897/zookeys.899.38892.figure7">Figures 7</figureCitation>
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,
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<figureCitation captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. SEM images of the A. vanderspoeli holotype from station DANA _ 3558 VII (NHMD- 232132) A apical view of the entire shell showing the rapid inflation of the shell B magnified view of the micro-ornamentation C magnified apical view showing the extent of the carina." figureDoi="10.3897/zookeys.899.38892.figure8" httpUri="https://binary.pensoft.net/fig/364533" pageId="0" pageNumber="59" tableDoi="10.3897/zookeys.899.38892.figure8">8</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="59" type="reference_group">
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<paragraph pageId="0" pageNumber="59">
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<taxonomicName class="Gastropoda" family="Atlantidae" genus="Atlanta" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Atlanta turriculata" order="Littorinimorpha" pageId="0" pageNumber="59" phylum="Mollusca" rank="species" species="turriculata">Atlanta turriculata</taxonomicName>
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forma B -
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<bibRefCitation author="van der Spoel, S" journalOrPublisher="Zoologische mededelingen" pageId="0" pageNumber="59" pagination="545 - 560" refId="B44" refString="van der Spoel, S, 1972. Notes on the identification and speciation of Heteropoda (Gastropoda). Zoologische mededelingen 47: 545 - 560" title="Notes on the identification and speciation of Heteropoda (Gastropoda)." volume="47" year="1972">van der Spoel 1972</bibRefCitation>
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: 550
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</paragraph>
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<paragraph pageId="0" pageNumber="59">
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<taxonomicName class="Gastropoda" family="Atlantidae" genus="Atlanta" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Atlanta turriculata" order="Littorinimorpha" pageId="0" pageNumber="59" phylum="Mollusca" rank="species" species="turriculata">Atlanta turriculata</taxonomicName>
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forma B -
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<bibRefCitation author="van der Spoel, S" journalOrPublisher="Bohn, Scheltema & Holkema, Utrecht" pageId="0" pageNumber="59" refId="B45" refString="van der Spoel, S, 1976. Pseudothecosomata. Gymnosomata and Heteropoda. Bohn, Scheltema & Holkema, Utrecht" title="Pseudothecosomata. Gymnosomata and Heteropoda." year="1976">van der Spoel 1976</bibRefCitation>
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: 146-147
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</paragraph>
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<paragraph pageId="0" pageNumber="59">
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<taxonomicName class="Gastropoda" family="Atlantidae" genus="Atlanta" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Atlanta brunnea" order="Littorinimorpha" pageId="0" pageNumber="59" phylum="Mollusca" rank="species" species="brunnea">Atlanta brunnea</taxonomicName>
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-
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<bibRefCitation author="Quesquen Liza, RC" journalOrPublisher="Boletin Instituto del Mar del Peru" pageId="0" pageNumber="59" pagination="260 - 308" refId="B31" refString="Quesquen Liza, RC, 2017. Holoplanktonic gastropod mollusks in the Peruvian Sea collected between 1994 and 2005. Boletin Instituto del Mar del Peru 32: 260 - 308" title="Holoplanktonic gastropod mollusks in the Peruvian Sea collected between 1994 and 2005." volume="32" year="2017">
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<normalizedToken originalValue="Quesquén">Quesquen</normalizedToken>
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Liza 2017
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</bibRefCitation>
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: 265
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</paragraph>
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<paragraph pageId="0" pageNumber="59">
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<taxonomicName class="Gastropoda" family="Atlantidae" genus="Atlanta" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Atlanta brunnea" order="Littorinimorpha" pageId="0" pageNumber="59" phylum="Mollusca" rank="species" species="brunnea">Atlanta brunnea</taxonomicName>
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form B -
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<bibRefCitation DOI="https://doi.org/10.1016/j.pocean.2017.11.004" author="Wall-Palmer, D" journalOrPublisher="Progress in Oceanography" pageId="0" pageNumber="59" pagination="1 - 25" refId="B56" refString="Wall-Palmer, D, Burridge, AK, Goetze, E, Stokvis, FR, Janssen, AW, Mekkes, L, Moreno-Alcantara, M, Bednarsek, N, Schiotte, T, Sorensen, MV, Smart, CW, Peijnenburg, KTCA, 2018b. Biogeography and genetic diversity of the atlantid heteropods. Progress in Oceanography 160: 1 - 25" title="Biogeography and genetic diversity of the atlantid heteropods." url="https://doi.org/10.1016/j.pocean.2017.11.004" volume="160" year="2018 b">Wall-Palmer et al. 2018b</bibRefCitation>
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: 10,
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<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. A Distribution maps showing the collection locations for each clade identified in B. The collection location of specimens of A. turriculata forma B identified by van der Spoel (1976) from offshore of Ternate Island is marked with a white triangle B maximum likelihood phylogeny based on the mitochondrial cytochrome c oxidase subunit 1 gene, with strong bootstrap support for four clades within the A. brunnea group. Atlanta vanderspoeli is supported as a valid species, and A. brunnea is formed of two geographically isolated clades. Bootstrap support (%) for nodes is displayed and branch lengths are proportional to the amount of inferred change, as indicated by the scale bar (mean number of nucleotide substitutions per site)." figureDoi="10.3897/zookeys.899.38892.figure3" httpUri="https://binary.pensoft.net/fig/364528" pageId="0" pageNumber="59" tableDoi="10.3897/zookeys.899.38892.figure3">Fig. 3</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="59" type="type locality">
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<paragraph pageId="0" pageNumber="59">Type locality.</paragraph>
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<paragraph pageId="0" pageNumber="59">
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DANA expedition (1928-1930) station 3558VII, South Pacific
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<geoCoordinate degrees="0.30" direction="south" orientation="latitude" precision="555" value="-0.3">0.30S</geoCoordinate>
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,
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<geoCoordinate degrees="99.12" direction="west" orientation="longitude" precision="555" value="-99.12">99.12W</geoCoordinate>
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. Specimen collected on the 18h September 1928 at 19:00 from 200-300 m water depth.
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</paragraph>
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<paragraph pageId="0" pageNumber="59">
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<emphasis bold="true" pageId="0" pageNumber="59">
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<emphasis italics="true" pageId="0" pageNumber="59">Holotype</emphasis>
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.
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</emphasis>
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<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Scanning Electron Microscopy (SEM) and stacked light microscopy images of representative specimens of A. brunnea: A, B DANA _ 3929 VIII C SN 105 _ 08, A. vanderspoeli: D-E DANA _ 3558 VII (Holotype, NHMD- 232132) F KH 1110 _ 15 and A. turriculata: G, H DANA _ 3929 VIII I SN 105 _ 19. Apical angle is the most useful morphological feature for distinguishing between the species (B-C, E-F, H-I). The shell of A. brunnea is always brown (C); however, the colour of A. vanderspoeli and A. turriculata shell and soft tissues (F, I) can vary and these are not reliable features for identification." figureDoi="10.3897/zookeys.899.38892.figure7" httpUri="https://binary.pensoft.net/fig/364532" pageId="0" pageNumber="59" tableDoi="10.3897/zookeys.899.38892.figure7">
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Figure 7
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<normalizedToken originalValue="D–E">D-E</normalizedToken>
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</figureCitation>
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, NHMD-232132, Housed at the Natural History Museum of Denmark, Copenhagen.
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</paragraph>
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<paragraph pageId="0" pageNumber="59">
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<emphasis bold="true" pageId="0" pageNumber="59">
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<emphasis italics="true" pageId="0" pageNumber="59">Paratypes</emphasis>
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.
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</emphasis>
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NHMD-232153. DANA_3613V, South Pacific
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<geoCoordinate degrees="22.72" direction="south" orientation="latitude" precision="555" value="-22.72">22.72S</geoCoordinate>
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,
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<geoCoordinate degrees="166.10" direction="east" orientation="longitude" precision="555" value="166.1">166.10E</geoCoordinate>
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. Specimen collected on 28 April 1928 at 03:15 from 100-200 m water depth. Housed at the Natural History Museum of Denmark, Copenhagen. RMNH.MOL.342212. Type material of
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<taxonomicName lsidName="A. turriculata" pageId="0" pageNumber="59" rank="species" species="turriculata">
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<emphasis italics="true" pageId="0" pageNumber="59">A. turriculata</emphasis>
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</taxonomicName>
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forma B (
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<figureCitation captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. Five specimens of Atlanta turriculata forma B identified by van der Spoel and held in the collection at the Naturalis Biodiversity Center. These specimens are now designated as paratypes of Atlanta vanderspoeli RMNH. MOL. 342212." figureDoi="10.3897/zookeys.899.38892.figure10" httpUri="https://binary.pensoft.net/fig/364535" pageId="0" pageNumber="59" tableDoi="10.3897/zookeys.899.38892.figure10">Figure 10</figureCitation>
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) was deposited by van der Spoel in the collections of the Zoological Museum of Amsterdam (now housed at the Naturalis Biodiversity Center, Leiden, RMNH). We designate these specimens as paratypes of
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<taxonomicName lsidName="A. vanderspoeli" pageId="0" pageNumber="59" rank="species" species="vanderspoeli">
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<emphasis italics="true" pageId="0" pageNumber="59">A. vanderspoeli</emphasis>
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</taxonomicName>
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. They were collected during the
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<normalizedToken originalValue="“Siboga”">"Siboga"</normalizedToken>
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Expedition at station 136 in the equatorial Pacific
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<geoCoordinate degrees="0.80" direction="north" orientation="latitude" precision="555" value="0.8">0.80N</geoCoordinate>
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,
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<geoCoordinate degrees="127.28" direction="east" orientation="longitude" precision="555" value="127.28">127.28E</geoCoordinate>
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.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="59" type="diagnosis">
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<paragraph pageId="0" pageNumber="59">Diagnosis.</paragraph>
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<paragraph pageId="0" pageNumber="59">
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<taxonomicName class="Gastropoda" family="Atlantidae" genus="Atlanta" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Atlanta" order="Littorinimorpha" pageId="0" pageNumber="59" phylum="Mollusca" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="59">Atlanta</emphasis>
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</taxonomicName>
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species with a larval shell of 3
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<normalizedToken originalValue="¼">1/4</normalizedToken>
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to 4 whorls. The larval shell is much higher than wide, conical with an apical angle of 35-46°. The larval shell has a prominent carina slightly above mid-whorl height. The whorls of the larval shell are further covered in a micro-ornamentation of interrupted spiral lines and small projections roughly arranged in spiral lines (approximately five lines in total) above this carina, and zig-zagged ornamentation below it (
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<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Scanning Electron Microscopy (SEM) and stacked light microscopy images of representative specimens of A. brunnea: A, B DANA _ 3929 VIII C SN 105 _ 08, A. vanderspoeli: D-E DANA _ 3558 VII (Holotype, NHMD- 232132) F KH 1110 _ 15 and A. turriculata: G, H DANA _ 3929 VIII I SN 105 _ 19. Apical angle is the most useful morphological feature for distinguishing between the species (B-C, E-F, H-I). The shell of A. brunnea is always brown (C); however, the colour of A. vanderspoeli and A. turriculata shell and soft tissues (F, I) can vary and these are not reliable features for identification." figureDoi="10.3897/zookeys.899.38892.figure7" httpUri="https://binary.pensoft.net/fig/364532" pageId="0" pageNumber="59" tableDoi="10.3897/zookeys.899.38892.figure7">
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Figs 7
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<normalizedToken originalValue="D–F">D-F</normalizedToken>
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</figureCitation>
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,
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<figureCitation captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. SEM images of the A. vanderspoeli holotype from station DANA _ 3558 VII (NHMD- 232132) A apical view of the entire shell showing the rapid inflation of the shell B magnified view of the micro-ornamentation C magnified apical view showing the extent of the carina." figureDoi="10.3897/zookeys.899.38892.figure8" httpUri="https://binary.pensoft.net/fig/364533" pageId="0" pageNumber="59" tableDoi="10.3897/zookeys.899.38892.figure8">8</figureCitation>
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).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="59" type="description">
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<paragraph pageId="0" pageNumber="59">Description.</paragraph>
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<paragraph pageId="0" pageNumber="59">
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The shell is small and fresh specimens vary in colour from brown to pink-purple. The adult shell is on average 1000
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<normalizedToken originalValue="μm">μm</normalizedToken>
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in diameter without the keel (Suppl. material 2: Table S1). The shell begins to inflate on the boundary of teleoconch and protoconch at
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<normalizedToken originalValue="3¼">31/4</normalizedToken>
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to 4 whorls and has a total of
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<normalizedToken originalValue="4¾">43/4</normalizedToken>
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to 5 whorls in adults. The keel begins after
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<normalizedToken originalValue="3¾">33/4</normalizedToken>
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to 4 whorls and inserts between the final whorl and the preceding in larger specimens (filling the space between the whorls). The keel is tall (~400
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<normalizedToken originalValue="μm">μm</normalizedToken>
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), thin and transparent, and gradually truncates towards the aperture (after ca.
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<normalizedToken originalValue="¾">3/4</normalizedToken>
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of a whorl). The soft tissues of the foot/fin and sucker can be mottled black (see Suppl. material 3: video clip). The last whorl of the larval shell is ca. 262 to 372
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<normalizedToken originalValue="μm">μm</normalizedToken>
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in diameter (Suppl. material 2: Table S1). The larval shell is high and conical, with heavy ornamentation covering the surface. A prominent carina is situated slightly above mid-whorl height and is visible with light microscopy. The spiral lines and zig-zag ornamentation is more clearly visible using SEM. The operculum is type a (macro-oligogyre) and the eyes are of type a, with no transverse slit (
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<bibRefCitation author="Seapy, RR" editor="Wells, FE" journalOrPublisher="Malacologia" pageId="0" pageNumber="59" refId="B41" refString="Seapy, RR, Lalli, CM, Wells, F, Wells, FE, Walker, DI, Jones, DS, 2003. Heteropoda from Western Australian waters. In: WellsFEWalkerDIJonesDS (Eds) The marine Flora and Fauna of Dampier, Western Australia.Western Australian Museum, Perth, 513-546." title="Heteropoda from Western Australian waters. In: WellsFEWalkerDIJonesDS (Eds) The marine Flora and Fauna of Dampier, Western Australia. Western Australian Museum, Perth, 513 - 546." year="2003">Seapy et al. 2003</bibRefCitation>
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).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="59" type="discussion">
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<paragraph pageId="0" pageNumber="59">Discussion.</paragraph>
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<paragraph pageId="0" pageNumber="59">
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The shape of the larval shell, shell size, colouration, operculum and eye type demonstrate that
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<taxonomicName lsidName="A. vanderspoeli" pageId="0" pageNumber="59" rank="species" species="vanderspoeli">
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<emphasis italics="true" pageId="0" pageNumber="59">A. vanderspoeli</emphasis>
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</taxonomicName>
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belongs within the
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<taxonomicName lsidName="A. brunnea" pageId="0" pageNumber="59" rank="species" species="brunnea">
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<emphasis italics="true" pageId="0" pageNumber="59">A. brunnea</emphasis>
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</taxonomicName>
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species group. This is supported by the molecular analysis presented within this study and by
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<bibRefCitation DOI="https://doi.org/10.1016/j.pocean.2017.11.004" author="Wall-Palmer, D" journalOrPublisher="Progress in Oceanography" pageId="0" pageNumber="59" pagination="1 - 25" refId="B56" refString="Wall-Palmer, D, Burridge, AK, Goetze, E, Stokvis, FR, Janssen, AW, Mekkes, L, Moreno-Alcantara, M, Bednarsek, N, Schiotte, T, Sorensen, MV, Smart, CW, Peijnenburg, KTCA, 2018b. Biogeography and genetic diversity of the atlantid heteropods. Progress in Oceanography 160: 1 - 25" title="Biogeography and genetic diversity of the atlantid heteropods." url="https://doi.org/10.1016/j.pocean.2017.11.004" volume="160" year="2018 b">Wall-Palmer et al. (2018b)</bibRefCitation>
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. Molecular data finds
|
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<taxonomicName lsidName="A. vanderspoeli" pageId="0" pageNumber="59" rank="species" species="vanderspoeli">
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<emphasis italics="true" pageId="0" pageNumber="59">A. vanderspoeli</emphasis>
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</taxonomicName>
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to be most closely related to
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<taxonomicName lsidName="A. brunnea" pageId="0" pageNumber="59" rank="species" species="brunnea">
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<emphasis italics="true" pageId="0" pageNumber="59">A. brunnea</emphasis>
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</taxonomicName>
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, followed by
|
||
<taxonomicName lsidName="A. turriculata" pageId="0" pageNumber="59" rank="species" species="turriculata">
|
||
<emphasis italics="true" pageId="0" pageNumber="59">A. turriculata</emphasis>
|
||
</taxonomicName>
|
||
. These are also morphologically the most similar species.
|
||
<taxonomicName class="Gastropoda" family="Atlantidae" genus="Atlanta" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Atlanta vanderspoeli" order="Littorinimorpha" pageId="0" pageNumber="59" phylum="Mollusca" rank="species" species="vanderspoeli">
|
||
<emphasis italics="true" pageId="0" pageNumber="59">Atlanta vanderspoeli</emphasis>
|
||
</taxonomicName>
|
||
can be distinguished from these two species using the apical angle, which is more narrow than in
|
||
<taxonomicName lsidName="A. brunnea" pageId="0" pageNumber="59" rank="species" species="brunnea">
|
||
<emphasis italics="true" pageId="0" pageNumber="59">A. brunnea</emphasis>
|
||
</taxonomicName>
|
||
, but wider than in
|
||
<taxonomicName lsidName="A. turriculata" pageId="0" pageNumber="59" rank="species" species="turriculata">
|
||
<emphasis italics="true" pageId="0" pageNumber="59">A. turriculata</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
<bibRefCitation author="van der Spoel, S" journalOrPublisher="Zoologische mededelingen" pageId="0" pageNumber="59" pagination="545 - 560" refId="B44" refString="van der Spoel, S, 1972. Notes on the identification and speciation of Heteropoda (Gastropoda). Zoologische mededelingen 47: 545 - 560" title="Notes on the identification and speciation of Heteropoda (Gastropoda)." volume="47" year="1972">Van der Spoel (1972)</bibRefCitation>
|
||
noted that the operculum of (
|
||
<taxonomicName lsidName="A. turriculata" pageId="0" pageNumber="59" rank="species" species="turriculata">
|
||
<emphasis italics="true" pageId="0" pageNumber="59">A. turriculata</emphasis>
|
||
</taxonomicName>
|
||
forma B)
|
||
<taxonomicName lsidName="A. vanderspoeli" pageId="0" pageNumber="59" rank="species" species="vanderspoeli">
|
||
<emphasis italics="true" pageId="0" pageNumber="59">A. vanderspoeli</emphasis>
|
||
</taxonomicName>
|
||
generally does not have tubercles/spines, or that these are less developed (
|
||
<bibRefCitation author="van der Spoel, S" journalOrPublisher="Bohn, Scheltema & Holkema, Utrecht" pageId="0" pageNumber="59" refId="B45" refString="van der Spoel, S, 1976. Pseudothecosomata. Gymnosomata and Heteropoda. Bohn, Scheltema & Holkema, Utrecht" title="Pseudothecosomata. Gymnosomata and Heteropoda." year="1976">van der Spoel 1976</bibRefCitation>
|
||
) compared to the operculum of
|
||
<taxonomicName lsidName="A. turriculata" pageId="0" pageNumber="59" rank="species" species="turriculata">
|
||
<emphasis italics="true" pageId="0" pageNumber="59">A. turriculata</emphasis>
|
||
</taxonomicName>
|
||
. Due to a lack of adult specimens, we were unable to extract an operculum to confirm this.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="59" type="distribution">
|
||
<paragraph pageId="0" pageNumber="59">Distribution.</paragraph>
|
||
<paragraph pageId="0" pageNumber="59">
|
||
All specimens were found in the equatorial and south Pacific Ocean from 0.80N to 29.95S, and from 127.28E to 100.00W (
|
||
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. A Distribution maps showing the collection locations for each clade identified in B. The collection location of specimens of A. turriculata forma B identified by van der Spoel (1976) from offshore of Ternate Island is marked with a white triangle B maximum likelihood phylogeny based on the mitochondrial cytochrome c oxidase subunit 1 gene, with strong bootstrap support for four clades within the A. brunnea group. Atlanta vanderspoeli is supported as a valid species, and A. brunnea is formed of two geographically isolated clades. Bootstrap support (%) for nodes is displayed and branch lengths are proportional to the amount of inferred change, as indicated by the scale bar (mean number of nucleotide substitutions per site)." figureDoi="10.3897/zookeys.899.38892.figure3" httpUri="https://binary.pensoft.net/fig/364528" pageId="0" pageNumber="59" tableDoi="10.3897/zookeys.899.38892.figure3">Figure 3</figureCitation>
|
||
). Specimens were collected from the upper 600 m using oblique and vertical plankton tows. During this study we only found specimens of
|
||
<taxonomicName lsidName="A. vanderspoeli" pageId="0" pageNumber="59" rank="species" species="vanderspoeli">
|
||
<emphasis italics="true" pageId="0" pageNumber="59">A. vanderspoeli</emphasis>
|
||
</taxonomicName>
|
||
in the south Pacific Ocean. However, specimens identified as
|
||
<taxonomicName lsidName="A. turriculata" pageId="0" pageNumber="59" rank="species" species="turriculata">
|
||
<emphasis italics="true" pageId="0" pageNumber="59">A. turriculata</emphasis>
|
||
</taxonomicName>
|
||
forma B by
|
||
<bibRefCitation author="van der Spoel, S" journalOrPublisher="Bohn, Scheltema & Holkema, Utrecht" pageId="0" pageNumber="59" refId="B45" refString="van der Spoel, S, 1976. Pseudothecosomata. Gymnosomata and Heteropoda. Bohn, Scheltema & Holkema, Utrecht" title="Pseudothecosomata. Gymnosomata and Heteropoda." year="1976">van der Spoel (1976)</bibRefCitation>
|
||
were collected at 'Ternate
|
||
<normalizedToken originalValue="Anchorage’">Anchorage'</normalizedToken>
|
||
in the Indomalayan Archipelago (
|
||
<normalizedToken originalValue="“Siboga”">"Siboga"</normalizedToken>
|
||
Expedition station 136, equatorial Pacific
|
||
<geoCoordinate degrees="0.80" direction="north" orientation="latitude" precision="555" value="0.8">0.80N</geoCoordinate>
|
||
,
|
||
<geoCoordinate degrees="127.28" direction="east" orientation="longitude" precision="555" value="127.28">127.28E</geoCoordinate>
|
||
.
|
||
<figureCitation captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. Five specimens of Atlanta turriculata forma B identified by van der Spoel and held in the collection at the Naturalis Biodiversity Center. These specimens are now designated as paratypes of Atlanta vanderspoeli RMNH. MOL. 342212." figureDoi="10.3897/zookeys.899.38892.figure10" httpUri="https://binary.pensoft.net/fig/364535" pageId="0" pageNumber="59" tableDoi="10.3897/zookeys.899.38892.figure10">Figure 10</figureCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="59" type="etymology">
|
||
<paragraph pageId="0" pageNumber="59">Etymology.</paragraph>
|
||
<paragraph pageId="0" pageNumber="59">
|
||
Named after Professor emeritus Siebrecht van der Spoel, who first noticed
|
||
<taxonomicName lsidName="A. vanderspoeli" pageId="0" pageNumber="59" rank="species" species="vanderspoeli">
|
||
<emphasis italics="true" pageId="0" pageNumber="59">A. vanderspoeli</emphasis>
|
||
</taxonomicName>
|
||
, but described it only as
|
||
<taxonomicName lsidName="A. turriculata" pageId="0" pageNumber="59" rank="species" species="turriculata">
|
||
<emphasis italics="true" pageId="0" pageNumber="59">A. turriculata</emphasis>
|
||
</taxonomicName>
|
||
forma B due to a lack of specimens (
|
||
<bibRefCitation author="van der Spoel, S" journalOrPublisher="Bohn, Scheltema & Holkema, Utrecht" pageId="0" pageNumber="59" refId="B45" refString="van der Spoel, S, 1976. Pseudothecosomata. Gymnosomata and Heteropoda. Bohn, Scheltema & Holkema, Utrecht" title="Pseudothecosomata. Gymnosomata and Heteropoda." year="1976">van der Spoel 1976</bibRefCitation>
|
||
). Professor van der Spoel spent many years working on holoplanktonic gastropods and made important contributions to our understanding of their taxonomy and distributions.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |