Texasodus varidentatus
Ivanov, Nestell & Nestell, 2012
Classification: Elasmobranchii Jalodontiformes Jalodontidae
Reference of the original description
New jalodontid chondrichthyans from the Middle Permian of West Texas, USA. Historical Biology, 24(4), 359–368
New jalodontid chondrichthyans from the Middle Permian of West Texas, USA. Historical Biology, 24(4), 359–368
Description:
Citation: Texasodus varidentatus Ivanov, Nestell & Nestell, 2012: In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 08/2026
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Description
Original diagnosis after Ivanov, Nestell & Nestell, 2012 [17291]: As for genus: Small teeth with three to six cusps in the crown; cusps separated from each other, strongly flattened labiolingually, long, narrow, acute at the top, with slender lateral carina, covered by a regular lanceolate ornamentation of delicate cristae on the labial side; straight inner cusps equal in height or shorter than the lateral ones; lateral cusps and all inner cusps in the multicuspid teeth diverge from the crown centre; labial ornament from three to five cristae; base slightly extended lingually, smooth, oval, slightly arched; labio-basal tubercles from one to four, oval, compact, slightly prominent, lie in one line.
Original diagnosis after Ivanov, Nestell & Nestell, 2012 [17291]: As for genus: Small teeth with three to six cusps in the crown; cusps separated from each other, strongly flattened labiolingually, long, narrow, acute at the top, with slender lateral carina, covered by a regular lanceolate ornamentation of delicate cristae on the labial side; straight inner cusps equal in height or shorter than the lateral ones; lateral cusps and all inner cusps in the multicuspid teeth diverge from the crown centre; labial ornament from three to five cristae; base slightly extended lingually, smooth, oval, slightly arched; labio-basal tubercles from one to four, oval, compact, slightly prominent, lie in one line.
Remarks
shark-references Species-ID=12719;
type species of Texasodus Ivanov, Nestell & Nestell, 2012 [17291] by original designation (Art. 68.2 ICZN);
shark-references Species-ID=12719;
type species of Texasodus Ivanov, Nestell & Nestell, 2012 [17291] by original designation (Art. 68.2 ICZN);
References
Rise and diversification of chondrichthyans in the Paleozoic. Paleobiology, 50(2), 271–284
DOI: 10.1017/pab.2024.1
Youngest jalodontid shark from the Triassic of Europe and a revision of the Jalodontidae. Journal of Vertebrate Paleontology, 41(2), Article e1931259
DOI: 10.1080/02724634.2021.1931259
New fish assemblages from the Middle Permian from the Guadalupe Mountains, West Texas, USA. Palaeoworld, 29(2), 239–256
DOI: 10.1016/j.palwor.2018.10.003
Middle Permian fish microremains from the Early Capitanian of the Guadalupe Mountains, West Texas, USA. Micropaleontology, 61(4–5), 301–312
New jalodontid chondrichthyans from the Middle Permian of West Texas, USA. Historical Biology, 24(4), 359–368
DOI: 10.1080/08912963.2012.662229
Rise and diversification of chondrichthyans in the Paleozoic. Paleobiology, 50(2), 271–284
DOI: 10.1017/pab.2024.1
Youngest jalodontid shark from the Triassic of Europe and a revision of the Jalodontidae. Journal of Vertebrate Paleontology, 41(2), Article e1931259
DOI: 10.1080/02724634.2021.1931259
New fish assemblages from the Middle Permian from the Guadalupe Mountains, West Texas, USA. Palaeoworld, 29(2), 239–256
DOI: 10.1016/j.palwor.2018.10.003
Middle Permian fish microremains from the Early Capitanian of the Guadalupe Mountains, West Texas, USA. Micropaleontology, 61(4–5), 301–312
New jalodontid chondrichthyans from the Middle Permian of West Texas, USA. Historical Biology, 24(4), 359–368
DOI: 10.1080/08912963.2012.662229
