348 lines
49 KiB
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348 lines
49 KiB
XML
<document ID-CLB-Dataset="5072" ID-DOI="http://dx.doi.org/10.3897/zookeys.1055.68911" ID-GBIF-Dataset="fc0cd46a-d486-442b-ad09-fe9b906da4ac" ID-PMC="PMC8360822" ID-Pensoft-Pub="1313-2970-1055-69" ID-Pensoft-UUID="990477668F06527BB3C5B25F397886CF" ID-PubMed="34393573" ID-ZooBank="EDAA550DC7AB4C4D8CA91D988F4F3940" ModsDocID="1313-2970-1055-69" checkinTime="1628190754421" checkinUser="pensoft" docAuthor="Strong, Ellen E., Sirenko, Boris I. & McLean, James H." docDate="2021" docId="A2AE0E17F79C5A6FAA99F4D0BBB2C333" docLanguage="en" docName="ZooKeys 1055: 69-87" docOrigin="ZooKeys 1055" docPubDate="2021-08-05" docSource="http://dx.doi.org/10.3897/zookeys.1055.68911" docTitle="Pseudomohnia kurilana Strong & Sirenko & McLean 2021, comb. nov." docType="treatment" docVersion="6" id="990477668F06527BB3C5B25F397886CF" lastPageNumber="69" masterDocId="990477668F06527BB3C5B25F397886CF" masterDocTitle="The only species of Mohnia Friele, 1879 (Caenogastropoda, Buccinoidea, Buccinidae) in the North Pacific represents an unrecognized new genus of Newtoniellidae (Triphoroidea)" masterLastPageNumber="87" masterPageNumber="69" pageNumber="69" updateTime="1720490775729" updateUser="ExternalLinkService">
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<mods:title id="5C29904F42D471156EDB3DE42A7BA912">The only species of Mohnia Friele, 1879 (Caenogastropoda, Buccinoidea, Buccinidae) in the North Pacific represents an unrecognized new genus of Newtoniellidae (Triphoroidea)</mods:title>
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<mods:namePart id="4973D47885A374310202AA1A5DB10437">Strong, Ellen E.</mods:namePart>
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<mods:nameIdentifier id="97363C583AAA7A707CE4998365635A58" type="ORCID">https://orcid.org/0000-0001-7181-4114</mods:nameIdentifier>
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<mods:affiliation id="7C8A9008E6027D753F7340529A6B8885">National Museum of Natural History, Smithsonian Institution, PO Box 37012, MRC 163, Washington, DC 20013 - 7012, USA</mods:affiliation>
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<mods:nameIdentifier id="747B1FC1068626E51DC4D42275C78BC3" type="email">stronge@si.edu</mods:nameIdentifier>
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<mods:namePart id="2CD06E070F0949F46D602D751B573D8E">Sirenko, Boris I.</mods:namePart>
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<mods:affiliation id="59751712BC56FC306EAEEC25BA676FC9">Zoological Institute, Russian Academy of Sciences, St. Petersburg, 199034, Russia</mods:affiliation>
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<mods:namePart id="19F7307BF36660DCF3656D2195F7ADEF">McLean, James H.</mods:namePart>
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<mods:affiliation id="0A923F214CEE7914297B87E9A0C8A695">Deceased; formerly of Natural History Museum of Los Angeles County, 900 Exposition Blvd, Los Angeles, CA 90007, USA</mods:affiliation>
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<mods:typeOfResource id="51EA55D52294623DE6D76219F4233320">text</mods:typeOfResource>
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<mods:title id="C4BAF4B55F7546611001DCAAD41A4376">ZooKeys</mods:title>
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<mods:date id="DF7BD7231552AEA397EE00236E2E6047">2021</mods:date>
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<mods:number id="9B4EFD955250C8FE3CE3BB9D8C447758">1055</mods:number>
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<treatment id="A2AE0E17F79C5A6FAA99F4D0BBB2C333" ID-GBIF-Taxon="183925356" LSID="urn:lsid:plazi:treatment:A2AE0E17F79C5A6FAA99F4D0BBB2C333" httpUri="http://treatment.plazi.org/id/A2AE0E17F79C5A6FAA99F4D0BBB2C333" lastPageNumber="69" pageId="0" pageNumber="69">
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<subSubSection id="5D2B5E17B58D862832E6AA5DE13D0972" pageId="0" pageNumber="69" type="nomenclature">
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<paragraph id="EBA102265C62472CB968B67E683FBC62" pageId="0" pageNumber="69">
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<taxonomicName id="F62D81AD02BEDFC09FA2BD730F38E605" ID-CoL="8NCYJ" LSID="A2AE0E17-F79C-5A6F-AA99-F4D0BBB2C333" authority="(Dall, 1913)" authorityName="Strong & Sirenko & McLean" authorityYear="2021" baseAuthorityName="Dall" baseAuthorityYear="1913" class="Gastropoda" family="Newtoniellidae" genus="Pseudomohnia" higherTaxonomySource="treatment-meta" kingdom="Animalia" lsidName="Pseudomohnia kurilana" pageId="0" pageNumber="69" phylum="Mollusca" rank="species" species="kurilana" status="comb. nov.">Pseudomohnia kurilana (Dall, 1913)</taxonomicName>
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<taxonomicNameLabel id="F3890E5D2C5460C2C76F3327E9D8E098" pageId="0" pageNumber="69">comb. nov.</taxonomicNameLabel>
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</paragraph>
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<subSubSection id="D760C422A1F2BE81276BA6B37D60C0AA" pageId="0" pageNumber="69" type="description">
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<paragraph id="FF0D580BEFAF3F9FFC6AA98464403151" pageId="0" pageNumber="69">
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<figureCitation id="8B8610ABFC3D0490ABDDBA01ACFC4AED" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Shell morphology of Pseudomohnia gen. nov. A, B Pseudomohnia kurilana (Dall, 1913) comb. nov A lectotype, USNM 205224. Kuril Islands B ZIN 57494 / 1. Kuril Islands C, D Pseudomohnia sp. LACM 1997 - 156.7 Aleutian Islands E-I Pseudomohnia rogerclarki sp. nov. Aleutian Islands E holotype, LACM 3776 F LACM 1997 - 174 G LACM 1997 - 174 H LACM 1997 - 163.21 I LACM 1997 - 165.20. Scale bar: 1 cm." figureDoi="10.3897/zookeys.1055.68911.figure1" httpUri="https://binary.pensoft.net/fig/574832" pageId="0" pageNumber="69">Figs 1A, B</figureCitation>
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<figureCitation id="144E610E988D14EDFCB9EA0A50B9E762" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Protoconch and operculum morphology of Pseudomohnia gen. nov. A, B, E Pseudomohnia kurilana (Dall, 1913) comb. nov. Lectotype, USNM 205224 C, D, F Pseudomohnia rogerclarki sp. nov. Holotype, LACM 3776 A, C protoconch, apical view B, D protoconch, lateral view E, F Operculum. Black arrows indicate approximate position of inferred transition between protoconch and teleoconch. Scale bar: 1 mm." figureDoi="10.3897/zookeys.1055.68911.figure3" httpUri="https://binary.pensoft.net/fig/574834" pageId="0" pageNumber="69">, 3A, B, E</figureCitation>
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<figureCitation id="CA2D3BAFFA7329BE5BCCCB1ADF5CB011" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Radula morphology and gut contents of Pseudomohnia kurilana (Dall, 1913) comb. nov., lectotype, USNM 205224 A radular ribbon B detail of rachidian and lateral teeth C detail of rachidian D detail of marginal teeth E detail of inner and outer marginal teeth F sponge spicules from gut. Scale bars: 20 µm (C, D, E); 100 µm (A, B, F)." figureDoi="10.3897/zookeys.1055.68911.figure4" httpUri="https://binary.pensoft.net/fig/574835" pageId="0" pageNumber="69">, 4</figureCitation>
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<figureCitation id="FF247C961F1C77D06F8485DD4DCB00C0" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Anatomy of Pseudomohnia gen. nov. A Pseudomohnia kurilana (Dall, 1913) comb. nov., lectotype, USNM 205224 B-E Pseudomohnia sp., LACM 1997 - 168.10 A, B external anatomy, dorsal view, mantle cavity opened via mid-dorsal incision C foregut, dorsal view D foregut, left-lateral view E pallial gonoduct, left-lateral view. Scale bars 1 mm. Abbreviations: ae, anterior esophagus; bg, buccal ganglion; cs, longitudinal cleft in foot sole; ct, ctendium; dg, digestive gland; go, gonad; hg, hypobranchial gland; meg, mid-esophageal gland; od, odontophore; op, opercular lobe; os, osphradium; pg, pallial gonoduct; ppg, propodeal pedal gland; r, rectum; rm, retractor muscles; rs, radular sac; sg, salivary gland; si, siphon; sp, supra-esophageal ganglion; sto, stomach; t, cephalic tentacle." figureDoi="10.3897/zookeys.1055.68911.figure5" httpUri="https://binary.pensoft.net/fig/574836" pageId="0" pageNumber="69">, 5A</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection id="E80F8D3CE7B6E45D01FF8FBDF78970B3" pageId="0" pageNumber="69" type="reference_group">
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<paragraph id="9D24A38C81B48E31416A7361D9A3B49E" pageId="0" pageNumber="69">
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<taxonomicName id="7209180502F228660FAD86626CB6C92E" authorityName="Strong & Sirenko & McLean" authorityYear="2021" class="Gastropoda" family="Buccinidae" genus="Mohnia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mohnia kurilana" order="Neogastropoda" pageId="0" pageNumber="69" phylum="Mollusca" rank="species" species="kurilana" status="comb. nov.">Mohnia kurilana</taxonomicName>
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Dall, 1913: 503;
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<bibRefCitation id="DCF233EA85C9915B70BE72737BDD78A2" DOI="https://doi.org/10.5479/si.00963801.66-2554.1" author="Dall, WH" journalOrPublisher="Proceedings of the United States National Museum" pageId="0" pageNumber="69" pagination="1 - 41" refId="B7" refString="Dall, WH, 1925. Illustrations of unfigured types of shells in the collections of the United States National Museum. Proceedings of the United States National Museum 66 (2554): 1 - 41, DOI: https://doi.org/10.5479/si.00963801.66-2554.1" title="Illustrations of unfigured types of shells in the collections of the United States National Museum." url="https://doi.org/10.5479/si.00963801.66-2554.1" volume="66" year="1925">Dall 1925</bibRefCitation>
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||
: 21, pl. 34, fig. 1;
|
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<bibRefCitation id="B748C12781BD06B1559D7FEB443ED3BE" author="Kosuge, S" journalOrPublisher="Published by the author, Tokyo" pageId="0" pageNumber="69" refId="B20" refString="Kosuge, S, 1972. Illustrations of types of molluscs described by William Healey Dall (Northwestern Pacific gastropods). Published by the author, Tokyo" title="Illustrations of types of molluscs described by William Healey Dall (Northwestern Pacific gastropods)." year="1972">Kosuge 1972</bibRefCitation>
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, pl. 12, fig. 2 (Fig.
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||
<figureCitation id="3B67AD5923CFD8B2D7E263639E0B26DB" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Shell morphology of Pseudomohnia gen. nov. A, B Pseudomohnia kurilana (Dall, 1913) comb. nov A lectotype, USNM 205224. Kuril Islands B ZIN 57494 / 1. Kuril Islands C, D Pseudomohnia sp. LACM 1997 - 156.7 Aleutian Islands E-I Pseudomohnia rogerclarki sp. nov. Aleutian Islands E holotype, LACM 3776 F LACM 1997 - 174 G LACM 1997 - 174 H LACM 1997 - 163.21 I LACM 1997 - 165.20. Scale bar: 1 cm." figureDoi="10.3897/zookeys.1055.68911.figure1" httpUri="https://binary.pensoft.net/fig/574832" pageId="0" pageNumber="69">1A</figureCitation>
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)
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||
</paragraph>
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<paragraph id="7DEE38D9E82C5A79CF65DCB3B7601251" pageId="0" pageNumber="69">
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<taxonomicName id="43BA512612B4C965F9CE9E7B99BE40A1" authorityName="Strong & Sirenko & McLean" authorityYear="2021" class="Gastropoda" family="Buccinidae" genus="Mohnia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mohnia kurilana" order="Neogastropoda" pageId="0" pageNumber="69" phylum="Mollusca" rank="species" species="kurilana" status="comb. nov.">Mohnia kurilana</taxonomicName>
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:
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<bibRefCitation id="54AFE289497015E37DE2055468153161" author="Golikov, AN" journalOrPublisher="Ruthenica" pageId="0" pageNumber="69" pagination="91 - 135" refId="B13" refString="Golikov, AN, Sirenko, BI, 1998. Prosobranch gastropods of the continental slope of the Kurile Islands. Ruthenica 8: 91 - 135" title="Prosobranch gastropods of the continental slope of the Kurile Islands." volume="8" year="1998">Golikov and Sirenko 1998</bibRefCitation>
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||
: 112, fig. 7E;
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<bibRefCitation id="15E496132E6B4B97A021DDFA0DF19FA8" author="Kantor, YuI" journalOrPublisher="KMK Scientific Press, Moscow" pageId="0" pageNumber="69" refId="B17" refString="Kantor, YuI, Sysoev, AV, 2006. Marine and brackish water Gastropoda of Russia and adjacent countries: an illustrated catalog. KMK Scientific Press, Moscow" title="Marine and brackish water Gastropoda of Russia and adjacent countries: an illustrated catalog." year="2006">Kantor and Sysoev 2006</bibRefCitation>
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||
: 187, pl. 93, figs J,
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<normalizedToken id="9750869A2A2A4611C8BD755CBCABE823" originalValue="J’">J'</normalizedToken>
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(Fig.
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<figureCitation id="AEB62F703732C6F03F2B3192D645D5AC" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Shell morphology of Pseudomohnia gen. nov. A, B Pseudomohnia kurilana (Dall, 1913) comb. nov A lectotype, USNM 205224. Kuril Islands B ZIN 57494 / 1. Kuril Islands C, D Pseudomohnia sp. LACM 1997 - 156.7 Aleutian Islands E-I Pseudomohnia rogerclarki sp. nov. Aleutian Islands E holotype, LACM 3776 F LACM 1997 - 174 G LACM 1997 - 174 H LACM 1997 - 163.21 I LACM 1997 - 165.20. Scale bar: 1 cm." figureDoi="10.3897/zookeys.1055.68911.figure1" httpUri="https://binary.pensoft.net/fig/574832" pageId="0" pageNumber="69">1B</figureCitation>
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)
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</paragraph>
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</subSubSection>
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<subSubSection id="514BBBDA69A8F9D3081406E10769CAFB" pageId="0" pageNumber="69" type="type material">
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<paragraph id="A755C257420D83A038F573A73DEFD767" pageId="0" pageNumber="69">Type material.</paragraph>
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<paragraph id="D7B9584A4FF9FCCBE4C962C44B23E601" pageId="0" pageNumber="69">
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<emphasis id="75800E4901DC0A38523CFAA6B73EA8C7" bold="true" pageId="0" pageNumber="69">
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<emphasis id="01C41561804820BFC0CF95675347FBA5" italics="true" pageId="0" pageNumber="69">Lectotype</emphasis>
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.
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</emphasis>
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Kuril Islands • 13.40 mm in length; off Simushir Island;
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<geoCoordinate id="39B472FAA9A0449BFE4C68682B02D35A" degrees="46" direction="north" minutes="42" orientation="latitude" precision="925" value="46.7">46°42'N</geoCoordinate>
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,
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<geoCoordinate id="1094D7B0CDF69B756DF038777C87B51E" degrees="151" direction="east" minutes="45" orientation="longitude" precision="925" value="151.75">151°45'E</geoCoordinate>
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; 229 fm [~ 419 m]; 24 June 1906; USFC steamer Albatross stn 4803; USNM 205224, here designated (Figs
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<figureCitation id="FDD968188589BFAF0479371698ACB18F" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Shell morphology of Pseudomohnia gen. nov. A, B Pseudomohnia kurilana (Dall, 1913) comb. nov A lectotype, USNM 205224. Kuril Islands B ZIN 57494 / 1. Kuril Islands C, D Pseudomohnia sp. LACM 1997 - 156.7 Aleutian Islands E-I Pseudomohnia rogerclarki sp. nov. Aleutian Islands E holotype, LACM 3776 F LACM 1997 - 174 G LACM 1997 - 174 H LACM 1997 - 163.21 I LACM 1997 - 165.20. Scale bar: 1 cm." figureDoi="10.3897/zookeys.1055.68911.figure1" httpUri="https://binary.pensoft.net/fig/574832" pageId="0" pageNumber="69">1A</figureCitation>
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,
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<figureCitation id="295884B0B866EFCD6FF84D894229A113" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Protoconch and operculum morphology of Pseudomohnia gen. nov. A, B, E Pseudomohnia kurilana (Dall, 1913) comb. nov. Lectotype, USNM 205224 C, D, F Pseudomohnia rogerclarki sp. nov. Holotype, LACM 3776 A, C protoconch, apical view B, D protoconch, lateral view E, F Operculum. Black arrows indicate approximate position of inferred transition between protoconch and teleoconch. Scale bar: 1 mm." figureDoi="10.3897/zookeys.1055.68911.figure3" httpUri="https://binary.pensoft.net/fig/574834" pageId="0" pageNumber="69">3A, B, E</figureCitation>
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,
|
||
<figureCitation id="AC7F6CAE131D24CABAF1FE374D4D3887" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Radula morphology and gut contents of Pseudomohnia kurilana (Dall, 1913) comb. nov., lectotype, USNM 205224 A radular ribbon B detail of rachidian and lateral teeth C detail of rachidian D detail of marginal teeth E detail of inner and outer marginal teeth F sponge spicules from gut. Scale bars: 20 µm (C, D, E); 100 µm (A, B, F)." figureDoi="10.3897/zookeys.1055.68911.figure4" httpUri="https://binary.pensoft.net/fig/574835" pageId="0" pageNumber="69">4</figureCitation>
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,
|
||
<figureCitation id="11FA3FB27EB727CA42E7A46C42A506BB" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Anatomy of Pseudomohnia gen. nov. A Pseudomohnia kurilana (Dall, 1913) comb. nov., lectotype, USNM 205224 B-E Pseudomohnia sp., LACM 1997 - 168.10 A, B external anatomy, dorsal view, mantle cavity opened via mid-dorsal incision C foregut, dorsal view D foregut, left-lateral view E pallial gonoduct, left-lateral view. Scale bars 1 mm. Abbreviations: ae, anterior esophagus; bg, buccal ganglion; cs, longitudinal cleft in foot sole; ct, ctendium; dg, digestive gland; go, gonad; hg, hypobranchial gland; meg, mid-esophageal gland; od, odontophore; op, opercular lobe; os, osphradium; pg, pallial gonoduct; ppg, propodeal pedal gland; r, rectum; rm, retractor muscles; rs, radular sac; sg, salivary gland; si, siphon; sp, supra-esophageal ganglion; sto, stomach; t, cephalic tentacle." figureDoi="10.3897/zookeys.1055.68911.figure5" httpUri="https://binary.pensoft.net/fig/574836" pageId="0" pageNumber="69">5A</figureCitation>
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).
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||
</paragraph>
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||
</subSubSection>
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<subSubSection id="62BAB177676FEC030AA4BBA7EC3C5739" pageId="0" pageNumber="69" type="materials_examined">
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<paragraph id="860A54BD9B9E2F1862609D2F23A4674A" pageId="0" pageNumber="69">Other material.</paragraph>
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<paragraph id="3F799938C9C3AEC8DE0362D9E402F05B" pageId="0" pageNumber="69">
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<materialsCitation id="35796B575344E3C62BF88760EF659C4B" accessionNumber="ZIN 57494" collectingDate="1984-07-27" collectorName="V Odyssey, B Sirenko" elevation="660" latitude="44.795" location="Kuril Islands" longLatPrecision="113" longitude="148.925" municipality="Iturup Island" specimenCount="1">
|
||
<location id="A23785F99C6BD3B7D51676385586AF9B" LSID="urn:lsid:plazi:treatment:A2AE0E17F79C5A6FAA99F4D0BBB2C333:A23785F99C6BD3B7D51676385586AF9B" latitude="44.795" longLatPrecision="113" longitude="148.925" municipality="Iturup Island" name="Kuril Islands">Kuril Islands</location>
|
||
• 1 spm; near
|
||
<collectingMunicipality id="7350B6AE72B2B5F69B964CDA66623D10">Iturup Island</collectingMunicipality>
|
||
;
|
||
<geoCoordinate id="7466E9A9E7065543F5F835070BDE5D3E" degrees="44" direction="north" minutes="47.7" orientation="latitude" precision="92" value="44.795">44°47.7'N</geoCoordinate>
|
||
,
|
||
<geoCoordinate id="15E97640BEC025CEB3D80E78631DE095" degrees="148" direction="east" minutes="55.5" orientation="longitude" precision="92" value="148.925">148°55.5'E</geoCoordinate>
|
||
;
|
||
<quantity id="F6EA25A4C21FDE24293773D612B720B8" metricMagnitude="2" metricUnit="m" metricValue="6.6" unit="m" value="660.0">
|
||
<elevation id="9C3D08C9616FE6242CE8DB272802A957" metricMagnitude="2" metricUnit="m" metricValue="6.6" unit="m" value="660.0">660 m</elevation>
|
||
</quantity>
|
||
;
|
||
<collectingDate id="D55F7C774323A224F58F955E88D62E88" value="1984-07-27">27 July 1984</collectingDate>
|
||
; R/
|
||
<collectorName id="389C6B2CF17E86A60D2D2FA265CA27E8">V Odyssey</collectorName>
|
||
;
|
||
<collectorName id="9DAC95D4A5B774895ABE072E32414C57">B Sirenko</collectorName>
|
||
leg.;
|
||
<accessionNumber id="196F11ACF439EDC980E0C70751690B0F" httpUri="http://www.ncbi.nlm.nih.gov/protein/ZIN57494">ZIN 57494</accessionNumber>
|
||
</materialsCitation>
|
||
/
|
||
<materialsCitation id="E0E6CDBA6F71D20AE1B6C34D10F55185" accessionNumber="ZIN 62774" collectingDate="1987-10-09" collectorName="V Tikhookeanskiy, V Lukin" elevation="210" latitude="48.593334" location="Krusenstern Strait" longLatPrecision="110" longitude="153.91333" specimenCount="1">
|
||
1 (Fig.
|
||
<figureCitation id="01203DFB58358EE0799296B8E07DA542" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Shell morphology of Pseudomohnia gen. nov. A, B Pseudomohnia kurilana (Dall, 1913) comb. nov A lectotype, USNM 205224. Kuril Islands B ZIN 57494 / 1. Kuril Islands C, D Pseudomohnia sp. LACM 1997 - 156.7 Aleutian Islands E-I Pseudomohnia rogerclarki sp. nov. Aleutian Islands E holotype, LACM 3776 F LACM 1997 - 174 G LACM 1997 - 174 H LACM 1997 - 163.21 I LACM 1997 - 165.20. Scale bar: 1 cm." figureDoi="10.3897/zookeys.1055.68911.figure1" httpUri="https://binary.pensoft.net/fig/574832" pageId="0" pageNumber="69">1B</figureCitation>
|
||
); • 2 spms;
|
||
<location id="D760A9D8C7F0D88ACF3A6C2B63C758BE" LSID="urn:lsid:plazi:treatment:A2AE0E17F79C5A6FAA99F4D0BBB2C333:D760A9D8C7F0D88ACF3A6C2B63C758BE" latitude="48.593334" longLatPrecision="110" longitude="153.91333" name="Krusenstern Strait">Krusenstern Strait</location>
|
||
;
|
||
<geoCoordinate id="9008971A176FE574CC0D98372D5E4399" degrees="48" direction="north" minutes="35.6" orientation="latitude" precision="92" value="48.593334">48°35.6'N</geoCoordinate>
|
||
,
|
||
<geoCoordinate id="E8D9CB0E15415F87F016198124F1D214" degrees="153" direction="east" minutes="54.8" orientation="longitude" precision="92" value="153.91333">153°54.8'E</geoCoordinate>
|
||
;
|
||
<quantity id="54511FACD54797FD35E1FB2371B1E838" metricMagnitude="2" metricUnit="m" metricValue="2.1" unit="m" value="210.0">
|
||
<elevation id="EB925B00BDEA9CFAA371D53B8ECD7036" metricMagnitude="2" metricUnit="m" metricValue="2.1" unit="m" value="210.0">210 m</elevation>
|
||
</quantity>
|
||
;
|
||
<collectingDate id="1E79811D143FD6A680FAE72F93EEA1C9" value="1987-10-09">9 October 1987</collectingDate>
|
||
; R/
|
||
<collectorName id="95DFFF8DE0006A830DF913D1E3B9CEB4">V Tikhookeanskiy</collectorName>
|
||
;
|
||
<collectorName id="0561CDB3190B98AFAC5C38C646784D23">V Lukin</collectorName>
|
||
leg.;
|
||
<accessionNumber id="E597005904D47792EA842833835D9A5A" httpUri="http://www.ncbi.nlm.nih.gov/protein/ZIN62774">ZIN 62774</accessionNumber>
|
||
</materialsCitation>
|
||
/2.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="881BFD6D9AF27067FC53744D792375CB" pageId="0" pageNumber="69" type="description">
|
||
<paragraph id="4367443602806DB769605CA3C81EC401" pageId="0" pageNumber="69">Description.</paragraph>
|
||
<paragraph id="739517C391A2F3F7077C942A48C77EB5" pageId="0" pageNumber="69">
|
||
<emphasis id="156AFE94CDD8C2F86B5988C6AE97D068" bold="true" pageId="0" pageNumber="69">
|
||
<emphasis id="85320A1D300481ED0A8C7B97B3CA3757" italics="true" pageId="0" pageNumber="69">Shell</emphasis>
|
||
.
|
||
</emphasis>
|
||
Shell broadly turreted, spire angle ca. 42°, ~ 14 mm in adult shell length, consisting of approximately six, thin, convex whorls, separated by deeply impressed suture (Fig.
|
||
<figureCitation id="2AB0FFEB9AA17CCCFFF849497183801B" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Shell morphology of Pseudomohnia gen. nov. A, B Pseudomohnia kurilana (Dall, 1913) comb. nov A lectotype, USNM 205224. Kuril Islands B ZIN 57494 / 1. Kuril Islands C, D Pseudomohnia sp. LACM 1997 - 156.7 Aleutian Islands E-I Pseudomohnia rogerclarki sp. nov. Aleutian Islands E holotype, LACM 3776 F LACM 1997 - 174 G LACM 1997 - 174 H LACM 1997 - 163.21 I LACM 1997 - 165.20. Scale bar: 1 cm." figureDoi="10.3897/zookeys.1055.68911.figure1" httpUri="https://binary.pensoft.net/fig/574832" pageId="0" pageNumber="69">1A, B</figureCitation>
|
||
); growth indeterminate. Shell whitish, with thick, velvety periostracum. Larval shell non-planktotrophic, ~ 2.75 low, convex whorls, with smooth, blunt nucleus; well-defined opisthocyrt riblets and spiral threads producing cancellate sculpture on subsequent whorls. Inferred transition to teleoconch marked by change in orientation of axial sculpture and slight expansion in whorl diameter (Fig.
|
||
<figureCitation id="B8E78D717EC4F7D5F0A7F689E1C3CFBF" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Protoconch and operculum morphology of Pseudomohnia gen. nov. A, B, E Pseudomohnia kurilana (Dall, 1913) comb. nov. Lectotype, USNM 205224 C, D, F Pseudomohnia rogerclarki sp. nov. Holotype, LACM 3776 A, C protoconch, apical view B, D protoconch, lateral view E, F Operculum. Black arrows indicate approximate position of inferred transition between protoconch and teleoconch. Scale bar: 1 mm." figureDoi="10.3897/zookeys.1055.68911.figure3" httpUri="https://binary.pensoft.net/fig/574834" pageId="0" pageNumber="69">3A, B</figureCitation>
|
||
). Teleoconch with six to eight distinct, flattened, regular, spiral cords, separated by broader grooves, and which extend onto base. Spiral ornament crossed by variably developed, well separated, weakly prosocline axial threads and growth increments; axial threads becoming obsolete on body whorl. Aperture broad, outer lip thin, sharp. Axis slightly gyrate, pervious; columellar plait lacking. Anterior canal short, slightly recurved.
|
||
</paragraph>
|
||
<caption id="3DE862F5D57EC8FB2C521355AF999033" doi="10.3897/zookeys.1055.68911.figure3" httpUri="https://binary.pensoft.net/fig/574834" pageId="0" pageNumber="69" start="Figure 3" startId="F3">
|
||
<paragraph id="2F1D7F911AD9A8715C1356C25CE6BEB3" pageId="0" pageNumber="69">
|
||
<emphasis id="903BA6B8F5F5AB2BCBAB11FE595DA417" bold="true" pageId="0" pageNumber="69">Figure 3.</emphasis>
|
||
Protoconch and operculum morphology of
|
||
<taxonomicName id="5826CA00A019A3690180D93C6048C7F3" authorityName="Strong & Sirenko & McLean" authorityYear="2021" class="Gastropoda" family="Newtoniellidae" genus="Pseudomohnia" kingdom="Animalia" lsidName="Pseudomohnia" pageId="0" pageNumber="69" phylum="Mollusca" rank="genus">
|
||
<emphasis id="BD9F5715E2FCA3225E7CB9289F165B15" italics="true" pageId="0" pageNumber="69">Pseudomohnia</emphasis>
|
||
</taxonomicName>
|
||
gen. nov.
|
||
<emphasis id="D2066F0EA6FB9F90B57A65AC8CE9A112" bold="true" pageId="0" pageNumber="69">A, B, E</emphasis>
|
||
<taxonomicName id="851C272A49835B69EEE3CA35EF74B19E" authorityName="Strong & Sirenko & McLean" authorityYear="2021" baseAuthorityName="Dall" baseAuthorityYear="1913" class="Gastropoda" family="Newtoniellidae" genus="Pseudomohnia" kingdom="Animalia" lsidName="Pseudomohnia kurilana" pageId="0" pageNumber="69" phylum="Mollusca" rank="species" species="kurilana">
|
||
<emphasis id="2A7B1C254E078EE663A4432A1610E056" italics="true" pageId="0" pageNumber="69">Pseudomohnia kurilana</emphasis>
|
||
</taxonomicName>
|
||
(Dall, 1913) comb. nov. Lectotype, USNM 205224
|
||
<emphasis id="F7E9DA6B5D0891CB0D210B98854E1B6B" bold="true" pageId="0" pageNumber="69">C, D, F</emphasis>
|
||
<taxonomicName id="C1902F13DC994A048086A4521CC273F7" authorityName="Strong & Sirenko & McLean" authorityYear="2021" class="Gastropoda" family="Newtoniellidae" genus="Pseudomohnia" kingdom="Animalia" lsidName="Pseudomohnia rogerclarki" pageId="0" pageNumber="69" phylum="Mollusca" rank="species" species="rogerclarki">
|
||
<emphasis id="C8EACA9253B44B513467914207E6A637" italics="true" pageId="0" pageNumber="69">Pseudomohnia rogerclarki</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. Holotype, LACM 3776
|
||
<emphasis id="028CE626D140FDDFEE7628D9BDC777EB" bold="true" pageId="0" pageNumber="69">A, C</emphasis>
|
||
protoconch, apical view
|
||
<emphasis id="D41249AA3B596F435157FEE316F03F4C" bold="true" pageId="0" pageNumber="69">B, D</emphasis>
|
||
protoconch, lateral view
|
||
<emphasis id="65819850DAAFF059B43930BDA4DF8F79" bold="true" pageId="0" pageNumber="69">E, F</emphasis>
|
||
Operculum. Black arrows indicate approximate position of inferred transition between protoconch and teleoconch. Scale bar: 1 mm.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="FC847A143FAE7A4B5E7AF2C60EA67B79" pageId="0" pageNumber="69">
|
||
<emphasis id="EFC7BF749D04B32D8A1814A8C8D8DC3A" bold="true" italics="true" pageId="0" pageNumber="69">Operculum</emphasis>
|
||
[Lectotype]. Operculum thin, corneous, honey in color, thinning toward edges; paucispiral, nucleus eccentric, occupying ca. 31% of operculum length (Fig.
|
||
<figureCitation id="D5ADEE9B81A957B7ED542554807B13A3" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Protoconch and operculum morphology of Pseudomohnia gen. nov. A, B, E Pseudomohnia kurilana (Dall, 1913) comb. nov. Lectotype, USNM 205224 C, D, F Pseudomohnia rogerclarki sp. nov. Holotype, LACM 3776 A, C protoconch, apical view B, D protoconch, lateral view E, F Operculum. Black arrows indicate approximate position of inferred transition between protoconch and teleoconch. Scale bar: 1 mm." figureDoi="10.3897/zookeys.1055.68911.figure3" httpUri="https://binary.pensoft.net/fig/574834" pageId="0" pageNumber="69">3E</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="A845F3380FF056ADC40041B7CF8DDE2F" pageId="0" pageNumber="69">
|
||
<emphasis id="24E745D83968EF353E4AE8E6CE5D2094" bold="true" italics="true" pageId="0" pageNumber="69">Radula</emphasis>
|
||
[Lectotype]. Radula taenioglossate (Fig.
|
||
<figureCitation id="D3DC9F0EA56260FDAE23EA16C684B094" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Radula morphology and gut contents of Pseudomohnia kurilana (Dall, 1913) comb. nov., lectotype, USNM 205224 A radular ribbon B detail of rachidian and lateral teeth C detail of rachidian D detail of marginal teeth E detail of inner and outer marginal teeth F sponge spicules from gut. Scale bars: 20 µm (C, D, E); 100 µm (A, B, F)." figureDoi="10.3897/zookeys.1055.68911.figure4" httpUri="https://binary.pensoft.net/fig/574835" pageId="0" pageNumber="69">4A</figureCitation>
|
||
). Rachidian small, concave, narrow, tapering slightly to chevron-shaped base (Fig.
|
||
<figureCitation id="27BA89F69A779144FE660E9930A85FF6" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Radula morphology and gut contents of Pseudomohnia kurilana (Dall, 1913) comb. nov., lectotype, USNM 205224 A radular ribbon B detail of rachidian and lateral teeth C detail of rachidian D detail of marginal teeth E detail of inner and outer marginal teeth F sponge spicules from gut. Scale bars: 20 µm (C, D, E); 100 µm (A, B, F)." figureDoi="10.3897/zookeys.1055.68911.figure4" httpUri="https://binary.pensoft.net/fig/574835" pageId="0" pageNumber="69">4B, C</figureCitation>
|
||
). Cutting edge flaring slightly, bearing single, prominent, blunt cusp and smaller irregular denticle at outer edge on each side. Radular membrane diagonally creased between rachidian and lateral teeth of each row. Lateral teeth robust, broad, with smooth inner edge of shaft curving posteriorly; cutting edge with prominent, dagger-like, pointed cusp, occasionally with small, rounded accessory denticle at inner base, and with small, blunt inner cusp (Fig.
|
||
<figureCitation id="6975A9B11CAD71513A59E2A0E804D7FD" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Radula morphology and gut contents of Pseudomohnia kurilana (Dall, 1913) comb. nov., lectotype, USNM 205224 A radular ribbon B detail of rachidian and lateral teeth C detail of rachidian D detail of marginal teeth E detail of inner and outer marginal teeth F sponge spicules from gut. Scale bars: 20 µm (C, D, E); 100 µm (A, B, F)." figureDoi="10.3897/zookeys.1055.68911.figure4" httpUri="https://binary.pensoft.net/fig/574835" pageId="0" pageNumber="69">4A, B</figureCitation>
|
||
). Marginal teeth long, slender, with cylindrical shafts and slight constriction below claw-like tips; cutting edges of inner and outer marginal teeth bearing unequal numbers of short, curving, smoothly conical cusps, with three to four cusps on inner marginal teeth, and two to three on outer marginal teeth (Fig.
|
||
<figureCitation id="0BAE70312362522DFF6172612598D9CD" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Radula morphology and gut contents of Pseudomohnia kurilana (Dall, 1913) comb. nov., lectotype, USNM 205224 A radular ribbon B detail of rachidian and lateral teeth C detail of rachidian D detail of marginal teeth E detail of inner and outer marginal teeth F sponge spicules from gut. Scale bars: 20 µm (C, D, E); 100 µm (A, B, F)." figureDoi="10.3897/zookeys.1055.68911.figure4" httpUri="https://binary.pensoft.net/fig/574835" pageId="0" pageNumber="69">4D, E</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<caption id="94E5B6F195F856BBDDF0AFFFA9234BEC" doi="10.3897/zookeys.1055.68911.figure4" httpUri="https://binary.pensoft.net/fig/574835" pageId="0" pageNumber="69" start="Figure 4" startId="F4">
|
||
<paragraph id="8A8CBE8BA3B369D8D30D99EF4F864E06" pageId="0" pageNumber="69">
|
||
<emphasis id="F9F0748FEA3914BF093A1115E7D001AF" bold="true" pageId="0" pageNumber="69">Figure 4.</emphasis>
|
||
Radula morphology and gut contents of
|
||
<taxonomicName id="D7F13FA0251FFB79E1AED500FD37089A" authorityName="Strong & Sirenko & McLean" authorityYear="2021" baseAuthorityName="Dall" baseAuthorityYear="1913" class="Gastropoda" family="Newtoniellidae" genus="Pseudomohnia" kingdom="Animalia" lsidName="Pseudomohnia kurilana" pageId="0" pageNumber="69" phylum="Mollusca" rank="species" species="kurilana">
|
||
<emphasis id="2640168ED6062183FB69598E31875162" italics="true" pageId="0" pageNumber="69">Pseudomohnia kurilana</emphasis>
|
||
</taxonomicName>
|
||
(Dall, 1913) comb. nov., lectotype, USNM 205224
|
||
<emphasis id="EFC8068F24A67449079EF29F2C5929D5" bold="true" pageId="0" pageNumber="69">A</emphasis>
|
||
radular ribbon
|
||
<emphasis id="172CBC3AE9967897EBB3336F49E37DFA" bold="true" pageId="0" pageNumber="69">B</emphasis>
|
||
detail of rachidian and lateral teeth
|
||
<emphasis id="3AA24D1D8DF5541AF367684CA90D593B" bold="true" pageId="0" pageNumber="69">C</emphasis>
|
||
detail of rachidian
|
||
<emphasis id="06ED3BD486185A0BDCB752DF3E16FCAC" bold="true" pageId="0" pageNumber="69">D</emphasis>
|
||
detail of marginal teeth
|
||
<emphasis id="BEDC90D0153185665E6C82874D09DA07" bold="true" pageId="0" pageNumber="69">E</emphasis>
|
||
detail of inner and outer marginal teeth
|
||
<emphasis id="0E8A0058C248F472E6B5893DD4D5D1FB" bold="true" pageId="0" pageNumber="69">F</emphasis>
|
||
sponge spicules from gut. Scale bars: 20
|
||
<normalizedToken id="B395867BFDF3B94FF901ECA467F123D3" originalValue="µm">µm</normalizedToken>
|
||
(
|
||
<emphasis id="E9DFC9612C315241F1116C399FFC7F4D" bold="true" pageId="0" pageNumber="69">C, D, E</emphasis>
|
||
); 100
|
||
<normalizedToken id="415CC91BA0523AE6307ECBCD3C5096D2" originalValue="µm">µm</normalizedToken>
|
||
(
|
||
<emphasis id="1AD3F124767AE06825B9016B8B7DE329" bold="true" pageId="0" pageNumber="69">A, B, F</emphasis>
|
||
).
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="792F4BA900AF1974DDD23B133FE73146" pageId="0" pageNumber="69">
|
||
<emphasis id="82B9D5BA3867B2D3F90E7B156BBFECBE" bold="true" italics="true" pageId="0" pageNumber="69">Anatomy</emphasis>
|
||
[Lectotype]. Foot elongate oval. Propodium large, triangular, presumably with deep, propodial groove (Fig.
|
||
<figureCitation id="6FE936AF82D3711C040D64BF5FBD0296" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Anatomy of Pseudomohnia gen. nov. A Pseudomohnia kurilana (Dall, 1913) comb. nov., lectotype, USNM 205224 B-E Pseudomohnia sp., LACM 1997 - 168.10 A, B external anatomy, dorsal view, mantle cavity opened via mid-dorsal incision C foregut, dorsal view D foregut, left-lateral view E pallial gonoduct, left-lateral view. Scale bars 1 mm. Abbreviations: ae, anterior esophagus; bg, buccal ganglion; cs, longitudinal cleft in foot sole; ct, ctendium; dg, digestive gland; go, gonad; hg, hypobranchial gland; meg, mid-esophageal gland; od, odontophore; op, opercular lobe; os, osphradium; pg, pallial gonoduct; ppg, propodeal pedal gland; r, rectum; rm, retractor muscles; rs, radular sac; sg, salivary gland; si, siphon; sp, supra-esophageal ganglion; sto, stomach; t, cephalic tentacle." figureDoi="10.3897/zookeys.1055.68911.figure5" httpUri="https://binary.pensoft.net/fig/574836" pageId="0" pageNumber="69">5A</figureCitation>
|
||
), but depth could not be determined. Shallow furrow (= epipodial skirt) continuous with opercular lobe, evident along sides of foot sole, becoming obsolete in deep groove where propodium joins neck below snout. Foot sole divided longitudinally by deep medial cleft that deepens posteriorly before shallowing again along posterior quarter of sole. The presence and/or disposition of any glands could not be determined, although the epithelium in a broad swath on either side of the cleft is opaquely white and glandular in appearance.
|
||
</paragraph>
|
||
<caption id="EF05909660F6D1123BBBE421112671D3" doi="10.3897/zookeys.1055.68911.figure5" httpUri="https://binary.pensoft.net/fig/574836" pageId="0" pageNumber="69" start="Figure 5" startId="F5">
|
||
<paragraph id="A68AC3A41FD0517F10024083B1C6542B" pageId="0" pageNumber="69">
|
||
<emphasis id="9DD90AD82B8F6355ACE5CD0C53444E8F" bold="true" pageId="0" pageNumber="69">Figure 5.</emphasis>
|
||
Anatomy of
|
||
<taxonomicName id="88C94CED246F06CB88F6E019B820D282" authorityName="Strong & Sirenko & McLean" authorityYear="2021" class="Gastropoda" family="Newtoniellidae" genus="Pseudomohnia" kingdom="Animalia" lsidName="Pseudomohnia" pageId="0" pageNumber="69" phylum="Mollusca" rank="genus">
|
||
<emphasis id="B46D61F8F2887572DE3FE5C1F83C45B7" italics="true" pageId="0" pageNumber="69">Pseudomohnia</emphasis>
|
||
</taxonomicName>
|
||
gen. nov.
|
||
<emphasis id="33894300D00D5FF9A5AB4C5A61DDC10E" bold="true" pageId="0" pageNumber="69">A</emphasis>
|
||
<taxonomicName id="B8D075C560222F92190E77AC96445629" authorityName="Strong & Sirenko & McLean" authorityYear="2021" baseAuthorityName="Dall" baseAuthorityYear="1913" class="Gastropoda" family="Newtoniellidae" genus="Pseudomohnia" kingdom="Animalia" lsidName="Pseudomohnia kurilana" pageId="0" pageNumber="69" phylum="Mollusca" rank="species" species="kurilana">
|
||
<emphasis id="5EF547E202DED2A923A29C6F6332D851" italics="true" pageId="0" pageNumber="69">Pseudomohnia kurilana</emphasis>
|
||
</taxonomicName>
|
||
(Dall, 1913) comb. nov., lectotype, USNM 205224
|
||
<emphasis id="3324DBE19B43296E22A47030EE939CCD" bold="true" pageId="0" pageNumber="69">B-E</emphasis>
|
||
<taxonomicName id="B1932F905818A8BF09ADE199BC945FE1" authorityName="Strong & Sirenko & McLean" authorityYear="2021" class="Gastropoda" family="Newtoniellidae" genus="Pseudomohnia" kingdom="Animalia" lsidName="Pseudomohnia" pageId="0" pageNumber="69" phylum="Mollusca" rank="genus">
|
||
<emphasis id="C88999F3F7C4CCC954A58E395F806AF1" italics="true" pageId="0" pageNumber="69">Pseudomohnia</emphasis>
|
||
</taxonomicName>
|
||
sp., LACM 1997-168.10
|
||
<emphasis id="AB67502DEE95FE631432C92853FA1ADB" bold="true" pageId="0" pageNumber="69">A, B</emphasis>
|
||
external anatomy, dorsal view, mantle cavity opened via mid-dorsal incision
|
||
<emphasis id="69DD1734A3F8E0E1F0B29D76F64BDF81" bold="true" pageId="0" pageNumber="69">C</emphasis>
|
||
foregut, dorsal view
|
||
<emphasis id="5B8A0FE1D5567E0F14A49C800E21D826" bold="true" pageId="0" pageNumber="69">D</emphasis>
|
||
foregut, left-lateral view
|
||
<emphasis id="DFA2331B4D2850BEAB0240D69705777A" bold="true" pageId="0" pageNumber="69">E</emphasis>
|
||
pallial gonoduct, left-lateral view. Scale bars 1 mm. Abbreviations: ae, anterior esophagus; bg, buccal ganglion; cs, longitudinal cleft in foot sole; ct, ctendium; dg, digestive gland; go, gonad; hg, hypobranchial gland; meg, mid-esophageal gland; od, odontophore; op, opercular lobe; os, osphradium; pg, pallial gonoduct; ppg, propodeal pedal gland; r, rectum; rm, retractor muscles; rs, radular sac; sg, salivary gland; si, siphon; sp, supra-esophageal ganglion; sto, stomach; t, cephalic tentacle.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="C7AC36F489714B9FDC0A528921906711" pageId="0" pageNumber="69">Head with broad, muscular snout and long, tapering cephalic tentacles. Eyes conspicuous, on prominent ocular peduncles at outer bases of tentacles. Mantle edge smooth, with short siphon at left. Columellar muscle long, extending roughly one whorl to the level of mid-stomach. Mantle cavity one-half whorl in length. Mantle roof partially adhering to head and neck, not well preserved. Details of osphradium not readily observable. Ctenidium long, extending from siphon to base of mantle cavity. Hypobranchial gland well developed at left of rectum, releasing abundant mucus upon rehydration. Rectum broad, filled with sponge spicules, terminating in non-papillate anus well back from mantle edge. Pallial gonoduct presenting thin, non-glandular, open furrow below rectum. Penis lacking. Pericardial complex behind rear of mantle cavity compressed owing to retraction; details not observable. Bordered just behind by intestine.</paragraph>
|
||
<paragraph id="9AAEA2B27EBCEF88745C0C62E86C3F38" pageId="0" pageNumber="69">Proboscis acrembolic, short. Jaws large, robust, dorsally flanking mouth. Buccal mass large with large odontophore occupying posterior two-thirds of buccal cavity behind jaws when retracted. Odontophore flattened, elongate, projecting upward from ventral posterior buccal mass, with flattened anterior end projecting against buccal roof behind jaws. Long, narrow, glandular subradular organ projecting between jaws from antero-ventral surface of odontophore. Moderately long radular ribbon emerging mid-ventrally near posterior end, embedded within acinous salivary glands posteriorly enclosing posterior buccal mass, and extending alongside anterior esophagus. Rather narrow mid-esophagus forming mid-esophageal gland with broad, glandular septae almost completely occluding lumen.</paragraph>
|
||
<paragraph id="674399E6E1D8566B82ED596FA19E47AD" pageId="0" pageNumber="69">
|
||
Stomach extending to ~ 1.5 whorls back from mantle edge, forming elongate chamber ~ 0.5 whorl in length, lying along left side of whorl ventrally surrounded by digestive gland. Stomach chamber broader posteriorly, narrowing anteriorly, filled with sponge spicules (Fig.
|
||
<figureCitation id="5EC645551E25C5F851B38AD4847CC25E" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Radula morphology and gut contents of Pseudomohnia kurilana (Dall, 1913) comb. nov., lectotype, USNM 205224 A radular ribbon B detail of rachidian and lateral teeth C detail of rachidian D detail of marginal teeth E detail of inner and outer marginal teeth F sponge spicules from gut. Scale bars: 20 µm (C, D, E); 100 µm (A, B, F)." figureDoi="10.3897/zookeys.1055.68911.figure4" httpUri="https://binary.pensoft.net/fig/574835" pageId="0" pageNumber="69">4F</figureCitation>
|
||
). Posterior esophagus entering stomach at left, near posterior quarter. Anterior end of stomach lying just behind reno-pericardial complex, large intestine curving right across body whorl, then turning anteriorly at base of mantle cavity on right side of body to form rectum. Digestive gland extending to anterior curve of intestine behind mantle cavity. Gonad dorsally overlying digestive gland at right of stomach.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C11C248C4D7AFB2FFE174DE5DFF9838E" pageId="0" pageNumber="69" type="distribution">
|
||
<paragraph id="55D13F725DEE866DBF95DADAA827E512" pageId="0" pageNumber="69">Distribution and ecology.</paragraph>
|
||
<paragraph id="CC7C232C110F3D9F9C1D4CB495337469" pageId="0" pageNumber="69">
|
||
Known only from the Kuril Islands (Fig.
|
||
<figureCitation id="E3ACD20FA74C00B9E309D323C92A15F7" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Distribution of Pseudomohnia gen. nov. in the North Pacific. Squares, Pseudomohnia kurilana (Dall, 1913) comb. nov.; circles, Pseudomohnia rogerclarki sp. nov.; stars, Pseudomohnia sp. Symbols with black fill are type localities. Scale in kilometers." figureDoi="10.3897/zookeys.1055.68911.figure2" httpUri="https://binary.pensoft.net/fig/574833" pageId="0" pageNumber="69">2</figureCitation>
|
||
) in 210-660 m, feeding on sponges.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="22D952A3D9A2CA9D48CCF780753AB99F" pageId="0" pageNumber="69" type="remarks">
|
||
<paragraph id="490755C93AD74F00E6B87E2AA2672783" pageId="0" pageNumber="69">Remarks.</paragraph>
|
||
<paragraph id="4F26808F38C33410B35C85DD14C2DDA7" pageId="0" pageNumber="69">
|
||
The original description stated that the type material was dredged by the U.S. Bureau of Fisheries steamer Albatross in 229 fathoms (~ 419 m) off the Kuril Islands. The original, handwritten accession ledger at the USNM indicates that it was collected off Simushir Island at station 4803, which was sampled on 24 June 1906,
|
||
<geoCoordinate id="6FC94AC79A1B0E354609DDB659E61F27" degrees="46" direction="north" minutes="42" orientation="latitude" precision="925" value="46.7">46°42'N</geoCoordinate>
|
||
,
|
||
<geoCoordinate id="B4356CD3A2868C10A6A12106C240B3C0" degrees="151" direction="east" minutes="45" orientation="longitude" precision="925" value="151.75">151°45'E</geoCoordinate>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="C7B3C476DF771769B4807BA144AA6C5D" pageId="0" pageNumber="69">
|
||
Only limited morphological observations were possible given the size and condition of the dried soft parts but agree well with those obtained for
|
||
<taxonomicName id="5FA19AF6ACD91FBF9142DD81484E7B35" authorityName="Strong & Sirenko & McLean" authorityYear="2021" class="Gastropoda" family="Newtoniellidae" genus="Pseudomohnia" kingdom="Animalia" lsidName="Pseudomohnia" pageId="0" pageNumber="69" phylum="Mollusca" rank="genus">
|
||
<emphasis id="0FF86BC926B32936E31D6E9DB1E71D60" italics="true" pageId="0" pageNumber="69">Pseudomohnia</emphasis>
|
||
</taxonomicName>
|
||
sp. (see below). Although undeveloped, the pallial gonoduct appears to lack accessory sperm storage pouches (
|
||
<bibRefCitation id="3CE76BFCE56B1496F7C1FCE78BD4E451" DOI="https://doi.org/10.1017/S0025315400052784" author="Fretter, V" journalOrPublisher="Journal of the Marine Biological Association of Great Britain" pageId="0" pageNumber="69" pagination="567 - 586" refId="B10" refString="Fretter, V, 1951. Observations on the life histories and functional morphology of Cerithiopsis tubercularis (Montagu) and Triphora perversa (L). Journal of the Marine Biological Association of Great Britain 29: 567 - 586, DOI: https://doi.org/10.1017/S0025315400052784" title="Observations on the life histories and functional morphology of Cerithiopsis tubercularis (Montagu) and Triphora perversa (L)." url="https://doi.org/10.1017/S0025315400052784" volume="29" year="1951">Fretter 1951</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="742DFEBA4C40CF4898B8E6126F5B7BBD" author="Houston, RS" journalOrPublisher="Journal of Molluscan Studies" pageId="0" pageNumber="69" pagination="183 - 189" refId="B16" refString="Houston, RS, 1985. Genital ducts of the Cerithiacea (Gastropoda: Mesogastropoda) from the Gulf of California. Journal of Molluscan Studies 51: 183 - 189" title="Genital ducts of the Cerithiacea (Gastropoda: Mesogastropoda) from the Gulf of California." volume="51" year="1985">Houston 1985</bibRefCitation>
|
||
) and hence the dissected individual is inferred to be male. Details of the nervous system were not observable.
|
||
</paragraph>
|
||
<paragraph id="9FF244FA2822664CD2AF3418BF66B57F" pageId="0" pageNumber="69">
|
||
Analysis of the gut contents revealed the common occurrence of large (297
|
||
<normalizedToken id="FCA67DF652C1854EAC9D316A68C83EDF" originalValue="×">x</normalizedToken>
|
||
14
|
||
<normalizedToken id="357AD11135FCF15F533D551B04766888" originalValue="µm">µm</normalizedToken>
|
||
mean length
|
||
<normalizedToken id="66A89B41CF3DDD39CF94113429488DEB" originalValue="×">x</normalizedToken>
|
||
width) along with skinnier oxeas (248
|
||
<normalizedToken id="EA617950D01CAC46E30D184F31D97F69" originalValue="×">x</normalizedToken>
|
||
6
|
||
<normalizedToken id="253B92122EFE569710396BC8BF34AEA4" originalValue="µm">µm</normalizedToken>
|
||
) (Fig.
|
||
<figureCitation id="E9F7E3CE281C4CA9997A10340EA1CF05" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Radula morphology and gut contents of Pseudomohnia kurilana (Dall, 1913) comb. nov., lectotype, USNM 205224 A radular ribbon B detail of rachidian and lateral teeth C detail of rachidian D detail of marginal teeth E detail of inner and outer marginal teeth F sponge spicules from gut. Scale bars: 20 µm (C, D, E); 100 µm (A, B, F)." figureDoi="10.3897/zookeys.1055.68911.figure4" httpUri="https://binary.pensoft.net/fig/574835" pageId="0" pageNumber="69">4F</figureCitation>
|
||
) which point toward a halichondriid sponge as the principal diet (
|
||
<taxonomicName id="09D3D01FF61EE92350B72B977C679416" authorityName="Strong & Sirenko & McLean" authorityYear="2021" class="Demospongiae" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="" pageId="0" pageNumber="69" phylum="Porifera" rank="class">Demospongiae</taxonomicName>
|
||
,
|
||
<taxonomicName id="8E02D19EE220AFF7BCA681CCD99216B7" authorityName="Strong & Sirenko & McLean" authorityYear="2021" class="Demospongiae" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="" order="Suberitida" pageId="0" pageNumber="69" phylum="Porifera" rank="order">Suberitida</taxonomicName>
|
||
,
|
||
<taxonomicName id="5CB7B3E9BCA937910376EDF1931B55F9" class="Demospongiae" family="Halichondriidae" kingdom="Animalia" lsidName="" order="Suberitida" pageId="0" pageNumber="69" phylum="Porifera" rank="family">Halichondriidae</taxonomicName>
|
||
) (K Ruetzler, pers. comm.).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |