217 lines
18 KiB
XML
217 lines
18 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zitteliana.96.83571" ID-Pensoft-Pub="2747-8106-96-103" ID-Pensoft-UUID="4E0188A4D3D7563C980CB7C5B9424F3C" ID-ZooBank="5B10FFF604074E09B986F931635E9BCC" ModsDocID="2747-8106-96-103" checkinTime="1654860115112" checkinUser="pensoft" docAuthor="Schwarzhans, Werner, Ohe, Fumio, Tsuchiya, Yuki & Ujihara, Atsushi" docDate="2022" docId="C5A34B543AC65AB3B6BB69E8D2C35EFA" docLanguage="en" docName="Zitteliana 96: 103-134" docOrigin="Zitteliana 96" docPubDate="2022-06-10" docSource="http://dx.doi.org/10.3897/zitteliana.96.83571" docTitle="Stenobrachius ohashii Schwarzhans & Ohe & Tsuchiya & Ujihara 2022, sp. nov." docType="treatment" docUuid="B0C99414-2E14-47BC-8DB0-51176BD45B0D" docUuidSource="ZooBank" docVersion="1" id="4E0188A4D3D7563C980CB7C5B9424F3C" lastPageNumber="103" masterDocId="4E0188A4D3D7563C980CB7C5B9424F3C" masterDocTitle="Lanternfish otoliths (Myctophidae, Teleostei) from the Miocene of Japan" masterLastPageNumber="134" masterPageNumber="103" pageNumber="103" updateTime="1654860115112" updateUser="pensoft">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>Lanternfish otoliths (Myctophidae, Teleostei) from the Miocene of Japan</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:role>
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<mods:namePart>Schwarzhans, Werner</mods:namePart>
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<mods:affiliation>Zoological Museum, Natural History Museum of Denmark, Universitetsparken 15, 2100 Kobenhavn, Denmark & Ahrensburger Weg 103, 22359 Hamburg, Germany</mods:affiliation>
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<mods:nameIdentifier type="email">wwschwarz@aol.com</mods:nameIdentifier>
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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>Ohe, Fumio</mods:namePart>
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<mods:affiliation>Nara National Research Institute for Cultural Properties, Nara 630 - 8577, Japan</mods:affiliation>
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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>Tsuchiya, Yuki</mods:namePart>
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<mods:affiliation>Graduate School of Environmental Studies, Nagoya University, Nagoya, Japan</mods:affiliation>
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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>Ujihara, Atsushi</mods:namePart>
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<mods:affiliation>Graduate School of Environmental Studies, Nagoya University, Nagoya, Japan</mods:affiliation>
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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:titleInfo>
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<mods:title>Zitteliana</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2022</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2022-06-10</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>96</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>103</mods:start>
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<mods:end>134</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/zitteliana.96.83571</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/zitteliana.96.83571</mods:identifier>
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<mods:identifier type="Pensoft-Pub">2747-8106-96-103</mods:identifier>
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<mods:identifier type="ZooBank">5B10FFF604074E09B986F931635E9BCC</mods:identifier>
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<mods:identifier type="Pensoft-UUID">4E0188A4D3D7563C980CB7C5B9424F3C</mods:identifier>
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</mods:mods>
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<treatment LSID="urn:lsid:zoobank.org:act:B0C99414-2E14-47BC-8DB0-51176BD45B0D" httpUri="http://treatment.plazi.org/id/C5A34B543AC65AB3B6BB69E8D2C35EFA" lastPageNumber="103" pageId="0" pageNumber="103">
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<subSubSection pageId="0" pageNumber="103" type="nomenclature">
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<paragraph pageId="0" pageNumber="103">
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<taxonomicName LSID="http://zoobank.org/B0C99414-2E14-47BC-8DB0-51176BD45B0D" authority="Schwarzhans & Ohe & Tsuchiya & Ujihara, 2022" authorityName="Schwarzhans & Ohe & Tsuchiya & Ujihara" authorityYear="2022" class="Actinopterygii" family="Myctophidae" genus="Stenobrachius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Stenobrachius ohashii" order="Myctophiformes" pageId="0" pageNumber="103" phylum="Chordata" rank="species" species="ohashii" status="sp. nov.">Stenobrachius ohashii</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="103">sp. nov.</taxonomicNameLabel>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="103" type="description">
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<paragraph pageId="0" pageNumber="103">
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<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. A-J: Lampanyctus lenticularis sp. nov., Tsuyama City, Takakura Formation; B-D: holotype, SMF PO 101.121, level h; A, E-J: paratypes, SMF PO 101.122, levels f, g, h, j; K-M: Lampanyctus profestus Schwarzhans, 2019, SMF PO 101.123, Tsuyama City, Takakura Formation, level MS 36; N-V: Lampanyctus tsuyamaensis sp. nov., Tsuyama City, Takakura Formation; N-P: holotype, SMF PO 101.124, level MS 15; Q-V: paratypes, SMF PO 101.125, levels MS 15, MS 36, MS 90; W-AJ: Stenobrachius ohashii sp. nov.; W-Y: holotype, SMF PO 101.126, Yatsuo machi, Toyama City, Kurosedani Formation, level K 5; Z-AB, AF-AJ: paratypes, SMF PO 101.127, Tsuyama City, Takakura Formation, levels MS 15, MS 70; AC-AD: paratype, SMF PO 101.128, Niimi City, Bihoku Group; AE: paratype, SMF PO 101.129, Fuchu machi, Toyama City, Higashibessho Formation, level H 21; AK-AM: Stenobrachius leucopsarus (Eigenmann & Eigenmann, 1890), Recent, coll. Schwarzhans, leg. Fitch, off California; AN-AO: Stenobrachius nannochir (Gilbert, 1890), Recent, NSMT-P. 63309, 36 ° 28 ' N, 141 ° 10 ' E." figureDoi="10.3897/zitteliana.96.83571.figure7" httpUri="https://binary.pensoft.net/fig/694120" pageId="0" pageNumber="103">Fig. 7W</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="103" type="etymology">
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<paragraph pageId="0" pageNumber="103">Etymology.</paragraph>
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<paragraph pageId="0" pageNumber="103">Named in honor of Fumitaka Ohashi (Aichi Prefecture, Japan) who collected and donated a large part of the studied otoliths and has undertaken an original thesis on the fossil contents of many of the locations covered in this study.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="103" type="holotype">
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<paragraph pageId="0" pageNumber="103">Holotype.</paragraph>
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<paragraph pageId="0" pageNumber="103">
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SMF PO 101.126 (Fig.
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<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. A-J: Lampanyctus lenticularis sp. nov., Tsuyama City, Takakura Formation; B-D: holotype, SMF PO 101.121, level h; A, E-J: paratypes, SMF PO 101.122, levels f, g, h, j; K-M: Lampanyctus profestus Schwarzhans, 2019, SMF PO 101.123, Tsuyama City, Takakura Formation, level MS 36; N-V: Lampanyctus tsuyamaensis sp. nov., Tsuyama City, Takakura Formation; N-P: holotype, SMF PO 101.124, level MS 15; Q-V: paratypes, SMF PO 101.125, levels MS 15, MS 36, MS 90; W-AJ: Stenobrachius ohashii sp. nov.; W-Y: holotype, SMF PO 101.126, Yatsuo machi, Toyama City, Kurosedani Formation, level K 5; Z-AB, AF-AJ: paratypes, SMF PO 101.127, Tsuyama City, Takakura Formation, levels MS 15, MS 70; AC-AD: paratype, SMF PO 101.128, Niimi City, Bihoku Group; AE: paratype, SMF PO 101.129, Fuchu machi, Toyama City, Higashibessho Formation, level H 21; AK-AM: Stenobrachius leucopsarus (Eigenmann & Eigenmann, 1890), Recent, coll. Schwarzhans, leg. Fitch, off California; AN-AO: Stenobrachius nannochir (Gilbert, 1890), Recent, NSMT-P. 63309, 36 ° 28 ' N, 141 ° 10 ' E." figureDoi="10.3897/zitteliana.96.83571.figure7" httpUri="https://binary.pensoft.net/fig/694120" pageId="0" pageNumber="103">7W-Y</figureCitation>
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), Kubusu River at Kashio, Toyama City, Toyama Prefecture, Kurosedani FM, level K 5, late Burdigalian, lower part of biozone N8, probably diatom zone 3A.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="103" type="paratypes">
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<paragraph pageId="0" pageNumber="103">Paratypes.</paragraph>
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<paragraph pageId="0" pageNumber="103">6 specimens: 6 specimens: 1 specimen (SMF PO 101.128), near Tesseicho Hattori, Niimi City, Okayama Prefecture, Bihoku Group, late Burdigalian, diatom zone 3A-3B; 4 specimens (SMF PO 101.127), Miya River at Numa, Tsuyama City, Okayama Prefecture, Takakura FM, levels MS 15, MS 70, h, late Burdigalian, diatom zone 3A-3B; 1 specimen (SMF PO 101.129), Osedani, Toyama City, Toyama Prefecture, Higashibessho FM, level H 21, late Burdigalian to early Langhian, diatom zone 3A-4A.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="103" type="materials_examined">
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<paragraph pageId="0" pageNumber="103">Additional material.</paragraph>
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<paragraph pageId="0" pageNumber="103">
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<specimenCount type="generic">227 specimens</specimenCount>
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:
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<specimenCount type="generic">3 specimens</specimenCount>
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,
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<materialsCitation collectingDate="2022-01-01" collectingDateMax="2022-12-31" collectingDateMin="2022-01-01" collectorName="Niimi City, Okayama Prefecture, Bihoku Group" location="Near Tesseicho Hattori" specimenCount="1">
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<location LSID="urn:lsid:plazi:treatment:C5A34B543AC65AB3B6BB69E8D2C35EFA:9527548CDD1DCAB831A82D0CE47884FF" name="Near Tesseicho Hattori">Near Tesseicho Hattori</location>
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,
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<collectorName>Niimi City</collectorName>
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,
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<collectorName>Okayama Prefecture</collectorName>
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,
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<collectorName>Bihoku Group</collectorName>
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</materialsCitation>
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;
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<specimenCount type="generic">217 specimens</specimenCount>
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,
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<materialsCitation collectingDate="2022-01-01" collectingDateMax="2022-12-31" collectingDateMin="2022-01-01" collectorName="Takakura FM" county="Okayama Prefecture" location="Miya River" municipality="Tsuyama City" specimenCount="1">
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<location LSID="urn:lsid:plazi:treatment:C5A34B543AC65AB3B6BB69E8D2C35EFA:B8606A642F442C494A6F16C8386AA494" county="Okayama Prefecture" municipality="Tsuyama City" name="Miya River">Miya River</location>
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at
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<location LSID="urn:lsid:plazi:treatment:C5A34B543AC65AB3B6BB69E8D2C35EFA:4BD1FDBB96350C1D0C14D557EE6EB04C" county="Okayama Prefecture" municipality="Tsuyama City" name="Oda">Oda</location>
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and
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<location LSID="urn:lsid:plazi:treatment:C5A34B543AC65AB3B6BB69E8D2C35EFA:7B63395BD3AE209852C5ABFC720CE7F2" county="Okayama Prefecture" municipality="Tsuyama City" name="Numa">Numa</location>
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,
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<collectingMunicipality>Tsuyama City</collectingMunicipality>
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,
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<collectingCounty>Okayama Prefecture</collectingCounty>
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,
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<collectorName>Takakura FM</collectorName>
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, levels MS 04.5, MS 05, MS 05.5, MS 06, MS 15, MS 22, MS 27, MS 36, MS 52, MS 70, MS 80, MS 90, c, d, f9, f10, f40, g, gh, h, j
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</materialsCitation>
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;
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<specimenCount type="generic">3 specimens</specimenCount>
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,
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<materialsCitation collectingDate="2022-01-01" collectingDateMax="2022-12-31" collectingDateMin="2022-01-01" collectorName="Toyama City, Toyama Prefecture, Kurosedani FM" location="Kubusu River" municipality="Kashio" specimenCount="1">
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<location LSID="urn:lsid:plazi:treatment:C5A34B543AC65AB3B6BB69E8D2C35EFA:E980685EAB665EAD5AC7A13296338A26" municipality="Kashio" name="Kubusu River">Kubusu River</location>
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at
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<collectingMunicipality>Kashio</collectingMunicipality>
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,
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<collectorName>Toyama City</collectorName>
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,
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<collectorName>Toyama Prefecture</collectorName>
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,
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<collectorName>Kurosedani FM</collectorName>
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, level K 5
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</materialsCitation>
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;
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<specimenCount type="generic">4 specimens</specimenCount>
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,
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<materialsCitation collectingDate="2022-01-01" collectingDateMax="2022-12-31" collectingDateMin="2022-01-01" collectorName="Toyama Prefecture, Higashibessho FM" location="Osedani" specimenCount="1">
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<location LSID="urn:lsid:plazi:treatment:C5A34B543AC65AB3B6BB69E8D2C35EFA:DFD616F6490403EC26E76E59D3AC1A87" name="Osedani">Osedani</location>
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, Toyama City,
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<collectorName>Toyama Prefecture</collectorName>
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,
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<collectorName>Higashibessho FM</collectorName>
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, level H 21
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</materialsCitation>
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.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="103" type="diagnosis">
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<paragraph pageId="0" pageNumber="103">Diagnosis.</paragraph>
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<paragraph pageId="0" pageNumber="103">OL:OH = 1.0-1.15. Rostrum long, massive, with more or less rounded tip, 17-25% of OL. Excisura and antirostrum distinct. Ostium slightly longer than cauda, OCL:CCL = 1.2-1.7. Caudal pseudocolliculum distinct, as long as caudal colliculum or longer. Inner face flat; outer face convex, smooth.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="103" type="description">
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<paragraph pageId="0" pageNumber="103">Description.</paragraph>
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<paragraph pageId="0" pageNumber="103">A small, roundish, and moderately thick otolith reaching about 2.1 mm in length (holotype); OH:OT = 3.5-4.0. Ventral rim deeply curving, deepest at or anterior of its middle. Dorsal rim relatively shallow, somewhat irregular with distinct postdorsal angle near junction with posterior rim. Anterior rim with long, massive rostrum with usually rounded tip, 17-25% of OL. Antirostrum distinct, about half the length of rostrum. Excisura deep, usually sharp. Posterior rim variably rounded. All rims smooth.</paragraph>
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<paragraph pageId="0" pageNumber="103">Inner face completely flat, with moderately long, relatively narrow, straight, shallow and nearly axial positioned sulcus. Ostial colliculum shallow, slightly longer and wider than caudal colliculum (OCL:CCL = 1.2-1.7). Ventral margin of ostial colliculum sometimes flexed anteriorly. Caudal pseudocolliculum distinct, as long as caudal colliculum or anteriorly projecting. Ventral furrow distinct, positioned moderately far from ventral rim of otolith. Dorsal depression wide, occupying almost entire dorsal field, but with indistinct margins. Outer face distinctly convex, smooth.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="103" type="discussion">
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<paragraph pageId="0" pageNumber="103">Discussion.</paragraph>
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<paragraph pageId="0" pageNumber="103">
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The genus
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<taxonomicName authorityName="C.H.Eigenmann & R.S.Eigenmann" authorityYear="1890" class="Actinopterygii" family="Myctophidae" genus="Stenobrachius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Stenobrachius" order="Myctophiformes" pageId="0" pageNumber="103" phylum="Chordata" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="103">Stenobrachius</emphasis>
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</taxonomicName>
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is today known from two species in the North Pacific:
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<taxonomicName genus="S." lsidName="S. leucopsarus" pageId="0" pageNumber="103" rank="species" species="leucopsarus">
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<emphasis italics="true" pageId="0" pageNumber="103">S. leucopsarus</emphasis>
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</taxonomicName>
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Eigenmann & Eigenmann, 1890 (Fig. 7AK-AM) and
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<taxonomicName genus="S." lsidName="S. nannochir" pageId="0" pageNumber="103" rank="species" species="nannochir">
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<emphasis italics="true" pageId="0" pageNumber="103">S. nannochir</emphasis>
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</taxonomicName>
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(Gilbert, 1890) (Fig. 7AN-AO). The fossil
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<taxonomicName genus="S." lsidName="S. ohashii" pageId="0" pageNumber="103" rank="species" species="ohashii">
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<emphasis italics="true" pageId="0" pageNumber="103">S. ohashii</emphasis>
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</taxonomicName>
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differs from the otoliths of the extant
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<taxonomicName genus="S." lsidName="S. leucopsarus" pageId="0" pageNumber="103" rank="species" species="leucopsarus">
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<emphasis italics="true" pageId="0" pageNumber="103">S. leucopsarus</emphasis>
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</taxonomicName>
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in the more regularly rounded ventral and posterior rims, the deeper excisura and sharper antirostrum, and the comparatively longer ostium (OCL:CCL = 1.2-1.7 vs. 1.05-1.3). It differs from the second extant species,
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<taxonomicName genus="S." lsidName="S. nannochir" pageId="0" pageNumber="103" rank="species" species="nannochir">
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<emphasis italics="true" pageId="0" pageNumber="103">S. nannochir</emphasis>
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</taxonomicName>
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, in the longer rostrum (vs. rostrum about as long as antirostrum) and the presence of a more or less strongly developed postdorsal angle.
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<taxonomicName authorityName="C.H.Eigenmann & R.S.Eigenmann" authorityYear="1890" class="Actinopterygii" family="Myctophidae" genus="Stenobrachius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Stenobrachius" order="Myctophiformes" pageId="0" pageNumber="103" phylum="Chordata" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="103">Stenobrachius</emphasis>
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</taxonomicName>
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otoliths are also quite similar to certain
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<taxonomicName authorityName="Bonaparte in Bonaparte" authorityYear="1840" class="Actinopterygii" family="Myctophidae" genus="Lampanyctus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lampanyctus" order="Myctophiformes" pageId="0" pageNumber="103" phylum="Chordata" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="103">Lampanyctus</emphasis>
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</taxonomicName>
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otoliths such as those of the extant
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<taxonomicName genus="L." lsidName="L. lepidolychnus" pageId="0" pageNumber="103" rank="species" species="lepidolychnus">
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<emphasis italics="true" pageId="0" pageNumber="103">L. lepidolychnus</emphasis>
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</taxonomicName>
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or the fossil
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<taxonomicName genus="L." lsidName="L. tsuyamaensis" pageId="0" pageNumber="103" rank="species" species="tsuyamaensis">
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<emphasis italics="true" pageId="0" pageNumber="103">L. tsuyamaensis</emphasis>
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</taxonomicName>
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described above. A consistent difference seems to be that the caudal pseudocolliculum is not reduced in length or expression in
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<taxonomicName authorityName="C.H.Eigenmann & R.S.Eigenmann" authorityYear="1890" class="Actinopterygii" family="Myctophidae" genus="Stenobrachius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Stenobrachius" order="Myctophiformes" pageId="0" pageNumber="103" phylum="Chordata" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="103">Stenobrachius</emphasis>
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</taxonomicName>
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as it is in most
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<taxonomicName authorityName="Bonaparte in Bonaparte" authorityYear="1840" class="Actinopterygii" family="Myctophidae" genus="Lampanyctus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lampanyctus" order="Myctophiformes" pageId="0" pageNumber="103" phylum="Chordata" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="103">Lampanyctus</emphasis>
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</taxonomicName>
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species.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |