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<document ID-DOI="10.5252/geodiversitas2020v42a21" ID-GBIF-Dataset="bbf04a36-7745-4cd9-88dd-a82d65f2d04f" ID-ISSN="1638-9395" ID-Zenodo-Dep="4447609" ID-ZooBank="urn:lsid:zoobank.org:pub:7EC0E4FA-D538-4CE2-91B8-D7F549C32985" checkinTime="1610990124347" checkinUser="felipe" docAuthor="Forel, Marie-Béatrice, Kolar-Jurkovšek, Tea &amp; Jurkovšek, Bogdan" docDate="2020" docId="5A3887A8FF980E7F0CABF8DF1F740A53" docLanguage="en" docName="Geodiversitas.42.21.377-407.pdf" docOrigin="Geodiversitas 42 (21)" docStyle="DocumentStyle:F830B10FF475E64C1F1601E3B32DDC00.3:Geodiversitas.2018-.journal_article" docStyleId="F830B10FF475E64C1F1601E3B32DDC00" docStyleName="Geodiversitas.2018-.journal_article" docStyleVersion="3" docTitle="Dicerobairdia buseri Forel 2020, n. sp." docType="treatment" docUuid="6B59784E-073E-4D76-8C70-B3706E500C8A" docUuidSource="ZooBank" docVersion="11" lastPageNumber="386" masterDocId="A601FFD0FF910E740F11FFAE1B5E0863" masterDocTitle="Ostracods from the Raibl Beds (Carnian, Late Triassic) of Belca section in Karavanke Mountains, northwestern Slovenia" masterLastPageNumber="407" masterPageNumber="377" pageNumber="384" updateTime="1661833117359" updateUser="ExternalLinkService" zenodo-license-document="CC0-1.0" zenodo-license-figures="CC0-1.0">
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<mods:title>Ostracods from the Raibl Beds (Carnian, Late Triassic) of Belca section in Karavanke Mountains, northwestern Slovenia</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Forel, Marie-Béatrice</mods:namePart>
</mods:name>
<mods:name type="personal">
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Kolar-Jurkovšek, Tea</mods:namePart>
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<mods:namePart>Jurkovšek, Bogdan</mods:namePart>
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<mods:title>Geodiversitas</mods:title>
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<mods:date>2020</mods:date>
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<mods:number>2020-09-10</mods:number>
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<mods:number>42</mods:number>
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<mods:number>21</mods:number>
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<mods:identifier type="DOI">10.5252/geodiversitas2020v42a21</mods:identifier>
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<treatment ID-DOI="http://doi.org/10.5281/zenodo.4488337" ID-GBIF-Taxon="177202350" ID-Zenodo-Dep="4488337" LSID="urn:lsid:zoobank.org:act:6B59784E-073E-4D76-8C70-B3706E500C8A" httpUri="http://treatment.plazi.org/id/5A3887A8FF980E7F0CABF8DF1F740A53" lastPageId="11" lastPageNumber="386" pageId="9" pageNumber="384">
<subSubSection pageId="9" pageNumber="384" type="nomenclature">
<paragraph blockId="9.[954,1314,1905,1932]" box="[954,1314,1905,1932]" pageId="9" pageNumber="384">
<heading box="[954,1314,1905,1932]" centered="true" fontSize="11" level="2" pageId="9" pageNumber="384" reason="2">
<taxonomicName authority="Forel" authorityName="Forel" authorityYear="2020" box="[954,1244,1905,1932]" class="Ostracoda" family="Schulerideidae" genus="Dicerobairdia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Podocopida" pageId="9" pageNumber="384" phylum="Arthropoda" rank="species" species="buseri" status="n. sp.">
<emphasis bold="true" box="[954,1179,1905,1932]" italics="true" pageId="9" pageNumber="384">Dicerobairdia buseri</emphasis>
Forel
</taxonomicName>
,
<taxonomicNameLabel box="[1255,1314,1906,1932]" pageId="9" pageNumber="384" rank="species">n. sp.</taxonomicNameLabel>
</heading>
</paragraph>
<paragraph blockId="9.[1068,1200,1937,1963]" box="[1068,1200,1937,1963]" pageId="9" pageNumber="384">
(
<figureCitation box="[1077,1139,1937,1963]" captionStart="FIG" captionStartId="7.[132,143,1849,1866]" captionTargetId="figure-23@8.[746,1306,783,1354]" captionTargetPageId="8" captionText="FIG. 4. — Ostracods from the Belca section, Karavanke Mountains, northwestern Slovenia, Carnian, Late Triassic. All specimens are deposited in the micropalaeontology collections of the Geological Survey of Slovenia, under the numbers GeoZS6132 to GeoZS6239, preceded by sample number: A, B, Acratia cf. goemeryi Kozur, 1970 emend. Forel et al. (2019a); A, lateral view of a right valve, BE21 (GeoZS6132); B, lateral view of a left valve, BE18 (GeoZS6133); C, Acratia sp. 1, lateral view of a broken left valve, BE18 (GeoZS6134); D, Acratia sp. 2, lateral view of a left valve, BE18 (GeoZS6135); E, Bairdia balatonica Méhes, 1911, lateral view of a left valve, BE17 (GeoZS6136); F-H, Bairdia cassiana (Reuss, 1869); F, lateral view of a right valve, BE18 (GeoZS6137); G, lateral view of a right valve, BE18 (GeoZS6138); H, right lateral view of a complete carapace, BE23/1 (GeoZS6139); I, Bairdia cf. perpusilla sensu Forel et al. (2019a), lateral view of a left valve, BE17 (GeoZS6140); J, Bairdia sp. 1, right lateral view of a complete carapace, BE18 (GeoZS6141); K, Bairdia sp. 2, lateral view of a right valve, BE23/1 (GeoZS6142); L, M, Bairdia sp. 3; L, lateral view of a left valve, BE18 (GeoZS6143);M, lateral view of a left valve, BE18 (GeoZS6144); N, Bairdiacypris sp. 1, lateral" figureDoi="http://doi.org/10.5281/zenodo.4487255" httpUri="https://zenodo.org/record/4487255/files/figure.png" pageId="9" pageNumber="384">Fig. 4</figureCitation>
O-U)
</paragraph>
</subSubSection>
<subSubSection box="[813,1456,2000,2017]" pageId="9" pageNumber="384" type="description">
<paragraph blockId="9.[813,1456,2000,2017]" box="[813,1456,2000,2017]" pageId="9" pageNumber="384">
<uri box="[813,1456,2000,2017]" pageId="9" pageNumber="384">
urn:lsid:zoobank.org:act:
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</paragraph>
</subSubSection>
<caption ID-DOI="http://doi.org/10.5281/zenodo.4447617" ID-Zenodo-Dep="4447617" httpUri="https://zenodo.org/record/4447617/files/figure.png" pageId="10" pageNumber="385" startId="10.[132,143,1570,1587]" targetBox="[118,1470,218,1534]" targetPageId="10">
<paragraph blockId="10.[132,1457,1570,1655]" pageId="10" pageNumber="385">
FIG. 5. — Height/Length scatter plots of species recovered from the Belca section, Karavanke Mountains, northwestern Slovenia, Carnian, Late Triassic. In all diagrams, the dimensions of right and left valves of complete carapaces are linked.
<emphasis bold="true" box="[868,881,1592,1609]" pageId="10" pageNumber="385">A</emphasis>
,
<taxonomicName authority="Mehes, 1911" authorityName="Mehes" authorityYear="1911" box="[892,1161,1592,1609]" class="Ostracoda" family="Bairdiidae" genus="Bairdia" kingdom="Animalia" order="Podocopida" pageId="10" pageNumber="385" phylum="Arthropoda" rank="species" species="balatonica">
<emphasis box="[892,1041,1592,1609]" italics="true" pageId="10" pageNumber="385">Bairdia balatonica</emphasis>
<bibRefCitation author="MEHES G." box="[1049,1161,1592,1609]" pageId="10" pageNumber="385" pagination="1 - 38" refId="ref22264" refString="MEHES G. 1911. - Uber Trias-Ostrakoden aus dem Bakony. Resultate der wissenschaftlichen Erforschung des Balatonsees. Anhang zu Band 1, Teil 1. Palaaontologie der Umgebung des Balatonsees 3: 1 - 38." type="journal article" year="1911">Méhes, 1911</bibRefCitation>
</taxonomicName>
;
<emphasis bold="true" box="[1169,1182,1592,1609]" pageId="10" pageNumber="385">B</emphasis>
,
<taxonomicName authority="(Reuss, 1869)" baseAuthorityName="Reuss" baseAuthorityYear="1869" box="[1193,1453,1592,1609]" class="Ostracoda" family="Bairdiidae" genus="Bairdia" kingdom="Animalia" order="Podocopida" pageId="10" pageNumber="385" phylum="Arthropoda" rank="species" species="cassiana">
<emphasis box="[1193,1329,1592,1609]" italics="true" pageId="10" pageNumber="385">Bairdia cassiana</emphasis>
(
<bibRefCitation author="REUSS A. E." box="[1340,1448,1592,1609]" pageId="10" pageNumber="385" pagination="446 - 488" refId="ref23038" refString="REUSS A. E. 1869. - Zur fossilen Fauna der Oligocanschichten von Gaas. Sitzungsberichte der osterreichischen Akademie der Wissenschaften, mathematisch-naturwissenschaftliche Klasse Abt. 1. 59 (3): 446 - 488. https: // www. biodiversitylibrary. org / page / 6354812" type="journal article" year="1869">Reuss, 1869</bibRefCitation>
)
</taxonomicName>
;
<emphasis bold="true" box="[132,146,1615,1632]" pageId="10" pageNumber="385">C</emphasis>
,
<taxonomicName authority="Forel" authorityName="Forel" authorityYear="2020" box="[157,375,1615,1632]" class="Ostracoda" family="Schulerideidae" genus="Dicerobairdia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Podocopida" pageId="10" pageNumber="385" phylum="Arthropoda" rank="species" species="buseri" status="n. sp.">
<emphasis box="[157,324,1615,1632]" italics="true" pageId="10" pageNumber="385">Dicerobairdia buseri</emphasis>
Forel
</taxonomicName>
,
<taxonomicNameLabel box="[382,433,1615,1632]" pageId="10" pageNumber="385" rank="species">n. sp.</taxonomicNameLabel>
, all specimens are from the Belca section (this work);
<emphasis bold="true" box="[884,898,1615,1632]" pageId="10" pageNumber="385">D</emphasis>
,
<taxonomicName authority="Kristan-Tollmann, 1978" authorityName="Kristan-Tollmann" authorityYear="1978" box="[909,1314,1615,1632]" class="Ostracoda" family="Bairdiidae" genus="Mirabairdia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Podocopida" pageId="10" pageNumber="385" phylum="Arthropoda" rank="species" species="longispinosa">
<emphasis box="[909,1111,1615,1632]" italics="true" pageId="10" pageNumber="385">Mirabairdia longispinosa</emphasis>
Kristan-Tollmann, 1978
</taxonomicName>
;
<emphasis bold="true" box="[1323,1335,1615,1632]" pageId="10" pageNumber="385">E</emphasis>
,
<taxonomicName authorityName="Sars" authorityYear="1866" box="[1346,1445,1615,1632]" class="Ostracoda" family="Pontocyprididae" genus="Pontocypris" kingdom="Animalia" order="Podocopida" pageId="10" pageNumber="385" phylum="Arthropoda" rank="genus">
<emphasis box="[1346,1445,1615,1632]" italics="true" pageId="10" pageNumber="385">Pontocypris</emphasis>
</taxonomicName>
?
<emphasis box="[132,247,1638,1655]" italics="true" pageId="10" pageNumber="385">karavankensis</emphasis>
Forel,
<taxonomicNameLabel box="[305,353,1638,1655]" pageId="10" pageNumber="385" rank="species">n. sp.</taxonomicNameLabel>
all specimens are from the Belca section (this work). Scale bars: 100 μm.
</paragraph>
</caption>
<subSubSection pageId="10" pageNumber="385" type="materials_examined">
<paragraph blockId="10.[132,777,1709,1760]" pageId="10" pageNumber="385">
<collectionCode box="[132,266,1710,1733]" pageId="10" pageNumber="385">TYPE MATERIAL</collectionCode>
. —
<materialsCitation ID-GBIF-Occurrence="3027956304" pageId="10" pageNumber="385">
<typeStatus box="[302,386,1709,1733]" pageId="10" pageNumber="385">Holotype</typeStatus>
: left valve(
<figureCitation box="[479,547,1709,1734]" captionStart="FIG" captionStartId="7.[132,143,1849,1866]" captionTargetId="figure-23@8.[746,1306,783,1354]" captionTargetPageId="8" captionText="FIG. 4. — Ostracods from the Belca section, Karavanke Mountains, northwestern Slovenia, Carnian, Late Triassic. All specimens are deposited in the micropalaeontology collections of the Geological Survey of Slovenia, under the numbers GeoZS6132 to GeoZS6239, preceded by sample number: A, B, Acratia cf. goemeryi Kozur, 1970 emend. Forel et al. (2019a); A, lateral view of a right valve, BE21 (GeoZS6132); B, lateral view of a left valve, BE18 (GeoZS6133); C, Acratia sp. 1, lateral view of a broken left valve, BE18 (GeoZS6134); D, Acratia sp. 2, lateral view of a left valve, BE18 (GeoZS6135); E, Bairdia balatonica Méhes, 1911, lateral view of a left valve, BE17 (GeoZS6136); F-H, Bairdia cassiana (Reuss, 1869); F, lateral view of a right valve, BE18 (GeoZS6137); G, lateral view of a right valve, BE18 (GeoZS6138); H, right lateral view of a complete carapace, BE23/1 (GeoZS6139); I, Bairdia cf. perpusilla sensu Forel et al. (2019a), lateral view of a left valve, BE17 (GeoZS6140); J, Bairdia sp. 1, right lateral view of a complete carapace, BE18 (GeoZS6141); K, Bairdia sp. 2, lateral view of a right valve, BE23/1 (GeoZS6142); L, M, Bairdia sp. 3; L, lateral view of a left valve, BE18 (GeoZS6143);M, lateral view of a left valve, BE18 (GeoZS6144); N, Bairdiacypris sp. 1, lateral" figureDoi="http://doi.org/10.5281/zenodo.4487255" httpUri="https://zenodo.org/record/4487255/files/figure.png" pageId="10" pageNumber="385">Fig. 4O</figureCitation>
), BE18 (GeoZS6146). —
<typeStatus box="[132,215,1736,1760]" pageId="10" pageNumber="385">Paratype</typeStatus>
: right valve (
<figureCitation box="[333,400,1736,1760]" captionStart="FIG" captionStartId="7.[132,143,1849,1866]" captionTargetId="figure-23@8.[746,1306,783,1354]" captionTargetPageId="8" captionText="FIG. 4. — Ostracods from the Belca section, Karavanke Mountains, northwestern Slovenia, Carnian, Late Triassic. All specimens are deposited in the micropalaeontology collections of the Geological Survey of Slovenia, under the numbers GeoZS6132 to GeoZS6239, preceded by sample number: A, B, Acratia cf. goemeryi Kozur, 1970 emend. Forel et al. (2019a); A, lateral view of a right valve, BE21 (GeoZS6132); B, lateral view of a left valve, BE18 (GeoZS6133); C, Acratia sp. 1, lateral view of a broken left valve, BE18 (GeoZS6134); D, Acratia sp. 2, lateral view of a left valve, BE18 (GeoZS6135); E, Bairdia balatonica Méhes, 1911, lateral view of a left valve, BE17 (GeoZS6136); F-H, Bairdia cassiana (Reuss, 1869); F, lateral view of a right valve, BE18 (GeoZS6137); G, lateral view of a right valve, BE18 (GeoZS6138); H, right lateral view of a complete carapace, BE23/1 (GeoZS6139); I, Bairdia cf. perpusilla sensu Forel et al. (2019a), lateral view of a left valve, BE17 (GeoZS6140); J, Bairdia sp. 1, right lateral view of a complete carapace, BE18 (GeoZS6141); K, Bairdia sp. 2, lateral view of a right valve, BE23/1 (GeoZS6142); L, M, Bairdia sp. 3; L, lateral view of a left valve, BE18 (GeoZS6143);M, lateral view of a left valve, BE18 (GeoZS6144); N, Bairdiacypris sp. 1, lateral" figureDoi="http://doi.org/10.5281/zenodo.4487255" httpUri="https://zenodo.org/record/4487255/files/figure.png" pageId="10" pageNumber="385">Fig. 4S</figureCitation>
), BE18 (GeoZS6150).
</materialsCitation>
</paragraph>
<paragraph blockId="10.[132,775,1781,1831]" pageId="10" pageNumber="385">
EXAMINED
<collectionCode box="[243,337,1786,1803]" pageId="10" pageNumber="385">MATERIAL</collectionCode>
. — One carapace, nine left valves, ten right valves and several fragments.
</paragraph>
</subSubSection>
<subSubSection pageId="10" pageNumber="385" type="description">
<paragraph blockId="10.[131,777,1852,1928]" pageId="10" pageNumber="385">
DERIVATION OF NAME. — In honour of Prof. Dr. Stanko Buser (University of
<collectingRegion box="[271,366,1878,1902]" country="Slovenia" name="Ljubljana" pageId="10" pageNumber="385">Ljubljana</collectingRegion>
,
<collectingCountry box="[374,457,1878,1902]" name="Slovenia" pageId="10" pageNumber="385">Slovenia</collectingCountry>
) for his outstanding contribution to the knowledge of the Slovenian geology.
</paragraph>
<paragraph blockId="10.[132,776,1949,2026]" pageId="10" pageNumber="385">
OCCURRENCE. —
<taxonomicName box="[313,404,1949,1973]" class="Liliopsida" family="Poaceae" genus="Nicoraella" higherTaxonomySource="CoL" kingdom="Plantae" order="Poales" pageId="10" pageNumber="385" phylum="Tracheophyta" rank="genus">
<emphasis box="[313,404,1949,1973]" italics="true" pageId="10" pageNumber="385">Nicoraella</emphasis>
</taxonomicName>
?
<emphasis box="[419,506,1949,1973]" italics="true" pageId="10" pageNumber="385">budaensis</emphasis>
conodont zone, late Julian-?earliest Tuvalian,Carnian,Late Triassic, samples BE2, 17, 18, 21 (
<figureCitation box="[712,761,1976,2000]" captionStart="FIG" captionStartId="6.[315,326,2003,2020]" captionTargetPageId="6" captionText="FIG. 3. — Distribution of ostracod species through the Belca section, Karavanke Mountains, northwestern Slovenia." figureDoi="http://doi.org/10.5281/zenodo.4487397" httpUri="https://zenodo.org/record/4487397/files/figure.png" pageId="10" pageNumber="385">Fig. 3</figureCitation>
), Belca section, Raibl Beds, Karavanke Mountains,
<collectingCountry box="[589,666,2002,2026]" name="Slovenia" pageId="10" pageNumber="385">Slovenia</collectingCountry>
(this work).
</paragraph>
</subSubSection>
<subSubSection pageId="10" pageNumber="385" type="diagnosis">
<paragraph blockId="10.[813,1455,1709,1760]" pageId="10" pageNumber="385">DIAGNOSIS. — A new species with reticulate lateral surface and poorly expressed dorso-lateral ornaments.</paragraph>
<paragraph blockId="10.[813,1062,1783,1808]" box="[813,1062,1783,1808]" pageId="10" pageNumber="385">
DIMENSIONS. —
<figureCitation box="[981,1062,1783,1808]" captionStart="FIG" captionStartId="10.[132,143,1570,1587]" captionTargetBox="[118,1470,218,1534]" captionTargetId="figure-427@10.[663,934,826,1191]" captionTargetPageId="10" captionText="FIG. 5. — Height/Length scatter plots of species recovered from the Belca section, Karavanke Mountains, northwestern Slovenia, Carnian, Late Triassic. In all diagrams, the dimensions of right and left valves of complete carapaces are linked. A, Bairdia balatonica Méhes, 1911; B, Bairdia cassiana (Reuss, 1869); C, Dicerobairdia buseri Forel, n. sp., all specimens are from the Belca section (this work); D, Mirabairdia longispinosa Kristan-Tollmann, 1978; E, Pontocypris? karavankensis Forel, n. sp. all specimens are from the Belca section (this work). Scale bars: 100 μm." figureDoi="http://doi.org/10.5281/zenodo.4447617" httpUri="https://zenodo.org/record/4447617/files/figure.png" pageId="10" pageNumber="385">Fig. 5C.</figureCitation>
</paragraph>
</subSubSection>
<subSubSection lastPageId="11" lastPageNumber="386" pageId="10" pageNumber="385" type="description">
<paragraph blockId="10.[812,1457,1842,2027]" box="[813,957,1842,1868]" pageId="10" pageNumber="385">DESCRIPTION</paragraph>
<paragraph blockId="10.[812,1457,1842,2027]" lastBlockId="11.[130,776,215,1103]" lastPageId="11" lastPageNumber="386" pageId="10" pageNumber="385">
A large and relatively thick-shelled species with subrectangular outline in lateral view; greatest height located at the anterodorsal angulation at both valves, greatest length below mid-height; dorsal margin tripartite at both valves with anterodorsal angulation
<emphasis box="[1075,1092,2002,2027]" italics="true" pageId="10" pageNumber="385">c.</emphasis>
30° and posterodorsal angulation
<emphasis box="[132,149,216,241]" italics="true" pageId="11" pageNumber="386">c.</emphasis>
55°; anterodorsal border straight and long (from
<emphasis box="[700,716,216,241]" italics="true" pageId="11" pageNumber="386">c.</emphasis>
28% of maximum of length in adult forms,
<figureCitation box="[546,632,247,273]" captionStart="FIG" captionStartId="7.[132,143,1849,1866]" captionTargetId="figure-23@8.[746,1306,783,1354]" captionTargetPageId="8" captionText="FIG. 4. — Ostracods from the Belca section, Karavanke Mountains, northwestern Slovenia, Carnian, Late Triassic. All specimens are deposited in the micropalaeontology collections of the Geological Survey of Slovenia, under the numbers GeoZS6132 to GeoZS6239, preceded by sample number: A, B, Acratia cf. goemeryi Kozur, 1970 emend. Forel et al. (2019a); A, lateral view of a right valve, BE21 (GeoZS6132); B, lateral view of a left valve, BE18 (GeoZS6133); C, Acratia sp. 1, lateral view of a broken left valve, BE18 (GeoZS6134); D, Acratia sp. 2, lateral view of a left valve, BE18 (GeoZS6135); E, Bairdia balatonica Méhes, 1911, lateral view of a left valve, BE17 (GeoZS6136); F-H, Bairdia cassiana (Reuss, 1869); F, lateral view of a right valve, BE18 (GeoZS6137); G, lateral view of a right valve, BE18 (GeoZS6138); H, right lateral view of a complete carapace, BE23/1 (GeoZS6139); I, Bairdia cf. perpusilla sensu Forel et al. (2019a), lateral view of a left valve, BE17 (GeoZS6140); J, Bairdia sp. 1, right lateral view of a complete carapace, BE18 (GeoZS6141); K, Bairdia sp. 2, lateral view of a right valve, BE23/1 (GeoZS6142); L, M, Bairdia sp. 3; L, lateral view of a left valve, BE18 (GeoZS6143);M, lateral view of a left valve, BE18 (GeoZS6144); N, Bairdiacypris sp. 1, lateral" figureDoi="http://doi.org/10.5281/zenodo.4487255" httpUri="https://zenodo.org/record/4487255/files/figure.png" pageId="11" pageNumber="386">Fig. 4Q</figureCitation>
, to
<emphasis box="[671,688,248,273]" italics="true" pageId="11" pageNumber="386">c.</emphasis>
32% in younger instars,
<figureCitation box="[310,393,279,306]" captionStart="FIG" captionStartId="7.[132,143,1849,1866]" captionTargetId="figure-23@8.[746,1306,783,1354]" captionTargetPageId="8" captionText="FIG. 4. — Ostracods from the Belca section, Karavanke Mountains, northwestern Slovenia, Carnian, Late Triassic. All specimens are deposited in the micropalaeontology collections of the Geological Survey of Slovenia, under the numbers GeoZS6132 to GeoZS6239, preceded by sample number: A, B, Acratia cf. goemeryi Kozur, 1970 emend. Forel et al. (2019a); A, lateral view of a right valve, BE21 (GeoZS6132); B, lateral view of a left valve, BE18 (GeoZS6133); C, Acratia sp. 1, lateral view of a broken left valve, BE18 (GeoZS6134); D, Acratia sp. 2, lateral view of a left valve, BE18 (GeoZS6135); E, Bairdia balatonica Méhes, 1911, lateral view of a left valve, BE17 (GeoZS6136); F-H, Bairdia cassiana (Reuss, 1869); F, lateral view of a right valve, BE18 (GeoZS6137); G, lateral view of a right valve, BE18 (GeoZS6138); H, right lateral view of a complete carapace, BE23/1 (GeoZS6139); I, Bairdia cf. perpusilla sensu Forel et al. (2019a), lateral view of a left valve, BE17 (GeoZS6140); J, Bairdia sp. 1, right lateral view of a complete carapace, BE18 (GeoZS6141); K, Bairdia sp. 2, lateral view of a right valve, BE23/1 (GeoZS6142); L, M, Bairdia sp. 3; L, lateral view of a left valve, BE18 (GeoZS6143);M, lateral view of a left valve, BE18 (GeoZS6144); N, Bairdiacypris sp. 1, lateral" figureDoi="http://doi.org/10.5281/zenodo.4487255" httpUri="https://zenodo.org/record/4487255/files/figure.png" pageId="11" pageNumber="386">Fig. 4T</figureCitation>
); dorsal border long and straight to gently convex (from
<emphasis box="[357,373,312,337]" italics="true" pageId="11" pageNumber="386">c.</emphasis>
49% of maximum of length in adult forms,
<figureCitation box="[204,286,343,369]" captionStart="FIG" captionStartId="7.[132,143,1849,1866]" captionTargetId="figure-23@8.[746,1306,783,1354]" captionTargetPageId="8" captionText="FIG. 4. — Ostracods from the Belca section, Karavanke Mountains, northwestern Slovenia, Carnian, Late Triassic. All specimens are deposited in the micropalaeontology collections of the Geological Survey of Slovenia, under the numbers GeoZS6132 to GeoZS6239, preceded by sample number: A, B, Acratia cf. goemeryi Kozur, 1970 emend. Forel et al. (2019a); A, lateral view of a right valve, BE21 (GeoZS6132); B, lateral view of a left valve, BE18 (GeoZS6133); C, Acratia sp. 1, lateral view of a broken left valve, BE18 (GeoZS6134); D, Acratia sp. 2, lateral view of a left valve, BE18 (GeoZS6135); E, Bairdia balatonica Méhes, 1911, lateral view of a left valve, BE17 (GeoZS6136); F-H, Bairdia cassiana (Reuss, 1869); F, lateral view of a right valve, BE18 (GeoZS6137); G, lateral view of a right valve, BE18 (GeoZS6138); H, right lateral view of a complete carapace, BE23/1 (GeoZS6139); I, Bairdia cf. perpusilla sensu Forel et al. (2019a), lateral view of a left valve, BE17 (GeoZS6140); J, Bairdia sp. 1, right lateral view of a complete carapace, BE18 (GeoZS6141); K, Bairdia sp. 2, lateral view of a right valve, BE23/1 (GeoZS6142); L, M, Bairdia sp. 3; L, lateral view of a left valve, BE18 (GeoZS6143);M, lateral view of a left valve, BE18 (GeoZS6144); N, Bairdiacypris sp. 1, lateral" figureDoi="http://doi.org/10.5281/zenodo.4487255" httpUri="https://zenodo.org/record/4487255/files/figure.png" pageId="11" pageNumber="386">Fig. 4Q</figureCitation>
, to
<emphasis box="[320,337,344,369]" italics="true" pageId="11" pageNumber="386">c.</emphasis>
53% in younger instars,
<figureCitation box="[591,671,343,369]" captionStart="FIG" captionStartId="7.[132,143,1849,1866]" captionTargetId="figure-23@8.[746,1306,783,1354]" captionTargetPageId="8" captionText="FIG. 4. — Ostracods from the Belca section, Karavanke Mountains, northwestern Slovenia, Carnian, Late Triassic. All specimens are deposited in the micropalaeontology collections of the Geological Survey of Slovenia, under the numbers GeoZS6132 to GeoZS6239, preceded by sample number: A, B, Acratia cf. goemeryi Kozur, 1970 emend. Forel et al. (2019a); A, lateral view of a right valve, BE21 (GeoZS6132); B, lateral view of a left valve, BE18 (GeoZS6133); C, Acratia sp. 1, lateral view of a broken left valve, BE18 (GeoZS6134); D, Acratia sp. 2, lateral view of a left valve, BE18 (GeoZS6135); E, Bairdia balatonica Méhes, 1911, lateral view of a left valve, BE17 (GeoZS6136); F-H, Bairdia cassiana (Reuss, 1869); F, lateral view of a right valve, BE18 (GeoZS6137); G, lateral view of a right valve, BE18 (GeoZS6138); H, right lateral view of a complete carapace, BE23/1 (GeoZS6139); I, Bairdia cf. perpusilla sensu Forel et al. (2019a), lateral view of a left valve, BE17 (GeoZS6140); J, Bairdia sp. 1, right lateral view of a complete carapace, BE18 (GeoZS6141); K, Bairdia sp. 2, lateral view of a right valve, BE23/1 (GeoZS6142); L, M, Bairdia sp. 3; L, lateral view of a left valve, BE18 (GeoZS6143);M, lateral view of a left valve, BE18 (GeoZS6144); N, Bairdiacypris sp. 1, lateral" figureDoi="http://doi.org/10.5281/zenodo.4487255" httpUri="https://zenodo.org/record/4487255/files/figure.png" pageId="11" pageNumber="386">Fig. 4T</figureCitation>
); posterodorsal border steep and relatively short (
<emphasis box="[557,574,375,400]" italics="true" pageId="11" pageNumber="386">c.</emphasis>
20% of maximum of length in adult and younger forms), close to straight in the youngest form, with a terminal concavity that accentuates through ontogeny; ventral border long (from
<emphasis box="[671,688,471,496]" italics="true" pageId="11" pageNumber="386">c.</emphasis>
57% of maximum of length in adults,
<figureCitation box="[455,540,502,528]" captionStart="FIG" captionStartId="7.[132,143,1849,1866]" captionTargetId="figure-23@8.[746,1306,783,1354]" captionTargetPageId="8" captionText="FIG. 4. — Ostracods from the Belca section, Karavanke Mountains, northwestern Slovenia, Carnian, Late Triassic. All specimens are deposited in the micropalaeontology collections of the Geological Survey of Slovenia, under the numbers GeoZS6132 to GeoZS6239, preceded by sample number: A, B, Acratia cf. goemeryi Kozur, 1970 emend. Forel et al. (2019a); A, lateral view of a right valve, BE21 (GeoZS6132); B, lateral view of a left valve, BE18 (GeoZS6133); C, Acratia sp. 1, lateral view of a broken left valve, BE18 (GeoZS6134); D, Acratia sp. 2, lateral view of a left valve, BE18 (GeoZS6135); E, Bairdia balatonica Méhes, 1911, lateral view of a left valve, BE17 (GeoZS6136); F-H, Bairdia cassiana (Reuss, 1869); F, lateral view of a right valve, BE18 (GeoZS6137); G, lateral view of a right valve, BE18 (GeoZS6138); H, right lateral view of a complete carapace, BE23/1 (GeoZS6139); I, Bairdia cf. perpusilla sensu Forel et al. (2019a), lateral view of a left valve, BE17 (GeoZS6140); J, Bairdia sp. 1, right lateral view of a complete carapace, BE18 (GeoZS6141); K, Bairdia sp. 2, lateral view of a right valve, BE23/1 (GeoZS6142); L, M, Bairdia sp. 3; L, lateral view of a left valve, BE18 (GeoZS6143);M, lateral view of a left valve, BE18 (GeoZS6144); N, Bairdiacypris sp. 1, lateral" figureDoi="http://doi.org/10.5281/zenodo.4487255" httpUri="https://zenodo.org/record/4487255/files/figure.png" pageId="11" pageNumber="386">Fig. 4Q</figureCitation>
, to
<emphasis box="[579,595,503,528]" italics="true" pageId="11" pageNumber="386">c.</emphasis>
48% in younger instars,
<figureCitation box="[214,295,534,561]" captionStart="FIG" captionStartId="7.[132,143,1849,1866]" captionTargetId="figure-23@8.[746,1306,783,1354]" captionTargetPageId="8" captionText="FIG. 4. — Ostracods from the Belca section, Karavanke Mountains, northwestern Slovenia, Carnian, Late Triassic. All specimens are deposited in the micropalaeontology collections of the Geological Survey of Slovenia, under the numbers GeoZS6132 to GeoZS6239, preceded by sample number: A, B, Acratia cf. goemeryi Kozur, 1970 emend. Forel et al. (2019a); A, lateral view of a right valve, BE21 (GeoZS6132); B, lateral view of a left valve, BE18 (GeoZS6133); C, Acratia sp. 1, lateral view of a broken left valve, BE18 (GeoZS6134); D, Acratia sp. 2, lateral view of a left valve, BE18 (GeoZS6135); E, Bairdia balatonica Méhes, 1911, lateral view of a left valve, BE17 (GeoZS6136); F-H, Bairdia cassiana (Reuss, 1869); F, lateral view of a right valve, BE18 (GeoZS6137); G, lateral view of a right valve, BE18 (GeoZS6138); H, right lateral view of a complete carapace, BE23/1 (GeoZS6139); I, Bairdia cf. perpusilla sensu Forel et al. (2019a), lateral view of a left valve, BE17 (GeoZS6140); J, Bairdia sp. 1, right lateral view of a complete carapace, BE18 (GeoZS6141); K, Bairdia sp. 2, lateral view of a right valve, BE23/1 (GeoZS6142); L, M, Bairdia sp. 3; L, lateral view of a left valve, BE18 (GeoZS6143);M, lateral view of a left valve, BE18 (GeoZS6144); N, Bairdiacypris sp. 1, lateral" figureDoi="http://doi.org/10.5281/zenodo.4487255" httpUri="https://zenodo.org/record/4487255/files/figure.png" pageId="11" pageNumber="386">Fig. 4T</figureCitation>
), with oral concavity located in anterior part; posteroventral border about 1/3rd of maximum of height, very convex and bordered with marginal denticles visible at well preserved specimens (e.g.,
<figureCitation box="[401,546,630,656]" captionStart="FIG" captionStartId="7.[132,143,1849,1866]" captionTargetId="figure-23@8.[746,1306,783,1354]" captionTargetPageId="8" captionText="FIG. 4. — Ostracods from the Belca section, Karavanke Mountains, northwestern Slovenia, Carnian, Late Triassic. All specimens are deposited in the micropalaeontology collections of the Geological Survey of Slovenia, under the numbers GeoZS6132 to GeoZS6239, preceded by sample number: A, B, Acratia cf. goemeryi Kozur, 1970 emend. Forel et al. (2019a); A, lateral view of a right valve, BE21 (GeoZS6132); B, lateral view of a left valve, BE18 (GeoZS6133); C, Acratia sp. 1, lateral view of a broken left valve, BE18 (GeoZS6134); D, Acratia sp. 2, lateral view of a left valve, BE18 (GeoZS6135); E, Bairdia balatonica Méhes, 1911, lateral view of a left valve, BE17 (GeoZS6136); F-H, Bairdia cassiana (Reuss, 1869); F, lateral view of a right valve, BE18 (GeoZS6137); G, lateral view of a right valve, BE18 (GeoZS6138); H, right lateral view of a complete carapace, BE23/1 (GeoZS6139); I, Bairdia cf. perpusilla sensu Forel et al. (2019a), lateral view of a left valve, BE17 (GeoZS6140); J, Bairdia sp. 1, right lateral view of a complete carapace, BE18 (GeoZS6141); K, Bairdia sp. 2, lateral view of a right valve, BE23/1 (GeoZS6142); L, M, Bairdia sp. 3; L, lateral view of a left valve, BE18 (GeoZS6143);M, lateral view of a left valve, BE18 (GeoZS6144); N, Bairdiacypris sp. 1, lateral" figureDoi="http://doi.org/10.5281/zenodo.4487255" httpUri="https://zenodo.org/record/4487255/files/figure.png" pageId="11" pageNumber="386">Fig. 4Q, R, U</figureCitation>
); anteroventral border longer than posteroventral border, gently convex and flanged by marginal denticles visible at well preserved specimens; anterior maximum of curvature large and located around to slightly below mid-height; posterior maximum of convexity narrower, located below 1/3rd of maximum of height; anterodorsal, dorsal, posterodorsal and posteroventral borders and upper part of anteroventral border laterally compressed; anterior margin bordered by a large and low ridge in lower 2/3
<superScript attach="none" box="[622,638,886,903]" fontSize="7" pageId="11" pageNumber="386">rd</superScript>
, which then runs perpendicular to it and parallel to ventral margin, ending at the laterally compressed posteroventral area; two small elongate and reduced horns are built parallel to anterodorsal and posterodorsal borders at both valves; lateral surface evenly reticulate, with preferential longitudinal organisation of the reticulation visible at some specimens.
</paragraph>
</subSubSection>
<subSubSection pageId="11" pageNumber="386" type="discussion">
<paragraph blockId="11.[130,777,1141,1740]" box="[132,262,1141,1167]" pageId="11" pageNumber="386">DISCUSSION</paragraph>
<paragraph blockId="11.[130,777,1141,1740]" pageId="11" pageNumber="386">
<taxonomicName authority="Forel" authorityName="Forel" authorityYear="2020" box="[132,408,1172,1198]" class="Ostracoda" family="Schulerideidae" genus="Dicerobairdia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Podocopida" pageId="11" pageNumber="386" phylum="Arthropoda" rank="species" species="buseri" status="n. sp.">
<emphasis box="[132,342,1172,1198]" italics="true" pageId="11" pageNumber="386">Dicerobairdia buseri</emphasis>
Forel
</taxonomicName>
,
<taxonomicNameLabel box="[420,479,1172,1198]" pageId="11" pageNumber="386" rank="species">n. sp.</taxonomicNameLabel>
occurs from samples BE17 to BE
<quantity box="[198,252,1204,1230]" metricMagnitude="-1" metricUnit="m" metricValue="5.334" pageId="11" pageNumber="386" unit="in" value="21.0">21 in</quantity>
the Belca section, and it is relatively abundant in BE18 (
<figureCitation box="[210,272,1236,1262]" captionStart="FIG" captionStartId="6.[315,326,2003,2020]" captionTargetPageId="6" captionText="FIG. 3. — Distribution of ostracod species through the Belca section, Karavanke Mountains, northwestern Slovenia." figureDoi="http://doi.org/10.5281/zenodo.4487397" httpUri="https://zenodo.org/record/4487397/files/figure.png" pageId="11" pageNumber="386">Fig. 3</figureCitation>
).
<taxonomicName authority="Forel" authorityName="Forel" authorityYear="2020" box="[295,571,1236,1262]" class="Ostracoda" family="Schulerideidae" genus="Dicerobairdia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Podocopida" pageId="11" pageNumber="386" phylum="Arthropoda" rank="species" species="buseri" status="n. sp.">
<emphasis box="[295,505,1236,1262]" italics="true" pageId="11" pageNumber="386">Dicerobairdia buseri</emphasis>
Forel
</taxonomicName>
,
<taxonomicNameLabel box="[582,641,1236,1262]" pageId="11" pageNumber="386" rank="species">n. sp.</taxonomicNameLabel>
differs from
<emphasis box="[133,249,1267,1293]" italics="true" pageId="11" pageNumber="386">D. torulosa</emphasis>
Kristan-Tollmann, 1970 from the late Ladinian, Middle Triassic, of Dolomites,
<collectingCountry box="[455,502,1299,1325]" name="Italy" pageId="11" pageNumber="386">Italy</collectingCountry>
(Kristan-Tollmann 1970) by lacking the small ventrolateral ridges at both valves and by the stronger development of the sub-anterodorsal and subposterodorsal horns at adult stage. The new species also differs from
<emphasis box="[232,355,1428,1453]" italics="true" pageId="11" pageNumber="386">D. acornuta</emphasis>
Kristan-Tollmann, 1978 from the early Carnian, Late Triassic, of Dolomites,
<collectingCountry box="[522,569,1459,1485]" name="Italy" pageId="11" pageNumber="386">Italy</collectingCountry>
(Kristan-Tollmann 1978) by its subdorsal ornamentation at the right valve, which consists of sub-anterodorsal and sub-posterodorsal reduced horns rather than a continuous subdorsal ridge.At the left valve, the dorsal ornamentation of
<taxonomicName authority="Forel" authorityName="Forel" authorityYear="2020" box="[442,602,1586,1612]" class="Ostracoda" family="Schulerideidae" genus="Dicerobairdia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Podocopida" pageId="11" pageNumber="386" phylum="Arthropoda" rank="species" species="buseri" status="n. sp.">
<emphasis box="[442,537,1586,1612]" italics="true" pageId="11" pageNumber="386">D. buseri</emphasis>
Forel
</taxonomicName>
,
<taxonomicNameLabel box="[613,672,1587,1613]" pageId="11" pageNumber="386" rank="species">n. sp.</taxonomicNameLabel>
differs in being sub-anterodorsal and sub-posterodorsal elongate horns rather than a continuous ridge as in
<emphasis box="[499,620,1651,1676]" italics="true" pageId="11" pageNumber="386">D. acornuta</emphasis>
.
<taxonomicName authority="Forel" authorityName="Forel" authorityYear="2020" class="Ostracoda" family="Schulerideidae" genus="Dicerobairdia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Podocopida" pageId="11" pageNumber="386" phylum="Arthropoda" rank="species" species="buseri" status="n. sp.">
<emphasis italics="true" pageId="11" pageNumber="386">Dicerobairdia buseri</emphasis>
Forel
</taxonomicName>
,
<taxonomicNameLabel box="[269,328,1683,1709]" pageId="11" pageNumber="386" rank="species">n. sp.</taxonomicNameLabel>
also shows secondary reticulation all over the lateral surface whereas
<emphasis box="[414,538,1715,1740]" italics="true" pageId="11" pageNumber="386">D. acornuta</emphasis>
is micromammillate.
</paragraph>
<paragraph blockId="11.[811,1457,215,561]" pageId="11" pageNumber="386">
The specimens of
<taxonomicName authority="Forel" authorityName="Forel" authorityYear="2020" box="[1037,1319,215,241]" class="Ostracoda" family="Schulerideidae" genus="Dicerobairdia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Podocopida" pageId="11" pageNumber="386" phylum="Arthropoda" rank="species" species="buseri" status="n. sp.">
<emphasis box="[1037,1254,215,241]" italics="true" pageId="11" pageNumber="386">Dicerobairdia buseri</emphasis>
Forel
</taxonomicName>
,
<taxonomicNameLabel box="[1332,1393,216,242]" pageId="11" pageNumber="386" rank="species">n. sp.</taxonomicNameLabel>
from Belca section are distributed into at least four ontogenetic stages, from A-3 to Adult in ascending order (
<figureCitation box="[1351,1441,279,306]" captionStart="FIG" captionStartId="10.[132,143,1570,1587]" captionTargetBox="[118,1470,218,1534]" captionTargetId="figure-427@10.[663,934,826,1191]" captionTargetPageId="10" captionText="FIG. 5. — Height/Length scatter plots of species recovered from the Belca section, Karavanke Mountains, northwestern Slovenia, Carnian, Late Triassic. In all diagrams, the dimensions of right and left valves of complete carapaces are linked. A, Bairdia balatonica Méhes, 1911; B, Bairdia cassiana (Reuss, 1869); C, Dicerobairdia buseri Forel, n. sp., all specimens are from the Belca section (this work); D, Mirabairdia longispinosa Kristan-Tollmann, 1978; E, Pontocypris? karavankensis Forel, n. sp. all specimens are from the Belca section (this work). Scale bars: 100 μm." figureDoi="http://doi.org/10.5281/zenodo.4447617" httpUri="https://zenodo.org/record/4447617/files/figure.png" pageId="11" pageNumber="386">Fig. 5C</figureCitation>
). Noteworthy, left valves only occur in A-1 and Adult stages, while A-3 and A-2 stages are only known by right valves. The ontogenetic development of
<taxonomicName authority="Forel" authorityName="Forel" authorityYear="2020" box="[1118,1278,375,401]" class="Ostracoda" family="Schulerideidae" genus="Dicerobairdia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Podocopida" pageId="11" pageNumber="386" phylum="Arthropoda" rank="species" species="buseri" status="n. sp.">
<emphasis box="[1118,1213,375,401]" italics="true" pageId="11" pageNumber="386">D. buseri</emphasis>
Forel
</taxonomicName>
,
<taxonomicNameLabel box="[1288,1346,375,401]" pageId="11" pageNumber="386" rank="species">n. sp.</taxonomicNameLabel>
is marked by an overall increase in the length of the ventral border. The development from A-3 to A-1 is dominated by the increase of the dimensions. The transition from A-1 to Adult records the enhancement of the ventral ridge and the terminal concavity at posterodorsal border.
</paragraph>
</subSubSection>
</treatment>
</document>