<documentid="701B0DD480C1903684009426350F96D6"ID-DOI="10.1186/s13358-022-00259-x"ID-ISSN="1664-2384"ID-PMC="PMC9681704"ID-PubMed="36439694"ID-Zenodo-Dep="12000082"IM.bibliography_approvedBy="carolina"IM.illustrations_approvedBy="carolina"IM.materialsCitations_approvedBy="carolina"IM.metadata_approvedBy="felipe"IM.taxonomicNames_approvedBy="carolina"IM.treatmentCitations_approvedBy="felipe"IM.treatments_approvedBy="carolina"checkinTime="1718653166208"checkinUser="felipe"docAuthor="Leu, Marc, Bucher, Hugo, Vennemann, Torsten, Bagherpour, Borhan, Ji, Cheng, Brosse, Morgane & Goudemand, Nicolas"docDate="2022"docId="038B1D1D6445FF9DFCA1EF5BD50BF9C1"docLanguage="en"docName="SwissJPalaeontol.141.19.pdf"docOrigin="Swiss Journal of Palaeontology (19) 141 (1)"docSource="http://dx.doi.org/10.1186/s13358-022-00259-x"docStyle="DocumentStyle:DBDC680DC95E08776BDF6354C30A315B.1:SwissJPalaeontol.2022-.journal_article"docStyleId="DBDC680DC95E08776BDF6354C30A315B"docStyleName="SwissJPalaeontol.2022-.journal_article"docStyleVersion="1"docTitle="Discretella discreta"docType="treatment"docVersion="11"lastPageNumber="45"masterDocId="FFB265656469FFB1FF8CED10D031FFE4"masterDocTitle="A Unitary Association-based conodont biozonation of the Smithian-Spathian boundary (Early Triassic) and associated biotic crisis from South China"masterLastPageNumber="61"masterPageNumber="1"pageNumber="45"updateTime="1722285166916"updateUser="ExternalLinkService"zenodo-license-document="CC-BY-4.0">
<mods:titleid="222A4A03F71E231C98E330DC4EB7045A">A Unitary Association-based conodont biozonation of the Smithian-Spathian boundary (Early Triassic) and associated biotic crisis from South China</mods:title>
<mods:affiliationid="EAE72AFA60DFA3A07C2E8BC003EB63E8">Paleontological Institute and Museum, University of Zurich, Karl-Schmid-Strasse 4, 8006 Zurich, Switzerland</mods:affiliation>
<mods:affiliationid="D51FDF93E29AC4F76E57A8F39672BCF9">Paleontological Institute and Museum, University of Zurich, Karl-Schmid-Strasse 4, 8006 Zurich, Switzerland</mods:affiliation>
<bibRefCitationid="EFB3D1FA6445FF9DFBBDEF5BD48AFD87"author="Muller"box="[1073,1211,587,611]"firstAuthor="Muller"pageId="44"pageNumber="45"pagination="818 - 830"refId="ref45368"refString="MUller, K. J. (1956). Triassic conodonts from Nevada. Journal of Paleontology, 30, 818 - 830."type="journal article"year="1956">Müller, 1956</bibRefCitation>
<figureCitationid="1319B08E6445FF9DFCA1EF7BD394FD67"box="[813,933,619,643]"captionStart="Fig"captionStartId="23.[169,200,1776,1796]"captionTargetBox="[152,1438,238,1940]"captionTargetId="figure-11@23.[228,1362,254,1764]"captionTargetPageId="23"captionText="Fig. 15 Neogondolellinae and Mullerinae from Qiakong, Laren and Shanggang. Magnification is ×80.The scale bar is 400 μm. All elements are considered to be P1 elements if not specifically identified otherwise. A, D Neospathodus bevelledi n. sp.; A SHA333,PIMUZ 39176; D, SHA332, PIMUZ 39177. B, J Discretella aff. discreta (MÜller); B SHA304, PIMUZ 39104; J SHA334,PIMUZ 39105. C, L Discretella discreta (MÜller); C SHA334, PIMUZ 39107; L SHA332, PIMUZ 39108. E Guangxidella bransoni (MÜller); SHA304, PIMUZ 39139.F, H, K, M, P Discretella pseudodieneri n. sp.; F QIA124, PIMUZ 39120; H QIA124,PIMUZ SQL54990; K QIA121, PIMUZ 39121; M QIA120, PIMUZ 39122; P LAR232, PIMUZ 39123. G Discretella cf. discreta (MÜller); QIA120, PIMUZ 39109.I sp. indet.; QIA120, PIMUZ 39294. N Discretella? n. sp. B; LAR232, PIMUZ 39112.O Discretella? n. sp. C; SHA342,PIMUZ 39114"figureDoi="http://doi.org/10.5281/zenodo.12000286"httpUri="https://zenodo.org/record/12000286/files/figure.png"pageId="44"pageNumber="45">Figs. 15B, J</figureCitation>
<figureCitationid="1319B08E6445FF9DFC23EF7BD3EDFD67"box="[943,988,619,643]"captionStart="Fig"captionStartId="24.[169,200,1740,1760]"captionTargetBox="[153,1439,238,1800]"captionTargetId="figure-11@25.[229,1363,254,1763]"captionTargetPageId="25"captionText="Fig. 16 Neogondolellinae, Novispathodinae and Mullerinae from Shanggang and Youping cascade. Magnification is ×80.The scale bar is 400 μm. All elements are considered to be P1 elements if not specifically identified otherwise. A, F, M Discretella? n. sp. C; A YC16,PIMUZ 39115; F YC16, PIMUZ 39116; M SHA342C, PIMUZ 39117. B Discretella? n. sp. B;YC16, PIMUZ 39113. C Discretella aff.discreta (MÜller);YC22,PIMUZ 39106. D, S Discretella discreta (MÜller); D YC16, PIMUZ 39110; S SHA304C, PIMUZ 39111. E Novispathodus ex gr. abruptus (Orchard);YC41, PIMUZ 39225. G–I, K, L, N, O Discretella pseudodieneri n. sp.; G YC16, PIMUZ 39124; H YC25, PIMUZ 39125; I SHA304C,PIMUZ 39126; K YC22, PIMUZ 39127,L YC25, PIMUZ 39128; N SHA304C,PIMUZ 39129; O SHA343C,PIMUZ SQL54979. J Guangxidella bransoni (MÜller);YC16, PIMUZ 39140. P–R Neospathodus bevelledi n. sp.; P SHA 304C,PIMUZ 39178; Q SHA333C, PIMUZ 39179; R YC12, PIMUZ 39180"figureDoi="http://doi.org/10.5281/zenodo.13127506"httpUri="https://zenodo.org/record/13127506/files/figure.png"pageId="44"pageNumber="45">16C</figureCitation>
<taxonomicNameid="4C22D7886445FF9DFCE4EFFBD3CAFCE7"authorityName="Zhang & Yang"authorityYear="1991"box="[872,1019,747,771]"family="Gondolellidae"genus="Guangxidella"higherTaxonomySource="GBIF"kingdom="Animalia"pageId="44"pageNumber="45"phylum="Chordata"rank="genus">
<paragraphid="8B9DAC0B6445FF9DFCA1EE9BD463FC47"blockId="44.[813,1106,907,931]"box="[813,1106,907,931]"pageId="44"pageNumber="45">Number of specimens:>15</paragraph>
element with rounded, upturned basal cavity at the posteriormost part. Large conspicuous cusp above basal cavity. Discrete, smaller upright denticles in the anterior part.
elements have markedly discrete denticles and a large cusp. Te lower margin is straight in the anterior and upturned at the posterior part. Te basal cavity is drop-shaped, being rounded at the posterior edge and tapered at the anterior end. Te cusp is relatively large and reclined. A small, accessory, posterior denticle is occasionally present.
, this species has a rounded posterior margin of the basal cavity, more discrete denticles and the cusp is relatively larger and often recurved. In lateral view, the lower margin is upturned as in morphotype B of
<bibRefCitationid="EFB3D1FA6445FF9DFBCFE8DDD53CFA01"author="Shigeta"box="[1091,1293,1485,1509]"etAl="et al."firstAuthor="Shigeta"pageId="44"pageNumber="45"refId="ref46406"refString="Shigeta, Y., Komatsu, T., Maekawa, T., & Huyen, D. T. (Eds.). (2014). Olenekian (Early Triassic) stratigraphy and fossil assemblages in northeastern Vietnam (No. 45). Tokyo: National Museum of Nature and Science."type="book"year="2014">Shigeta et al., 2014</bibRefCitation>
<taxonomicNameid="4C22D7886445FF9DFB1AE8FDD4CBF9E0"authorityName="Hyatt & Smith"authorityYear="1905"box="[1174,1274,1517,1540]"class="Cephalopoda"family="Melagathiceratidae"genus="Owenites"kingdom="Animalia"pageId="44"pageNumber="45"phylum="Mollusca"rank="genus">
