Cholodinae, Hodnett & Toomey & Olson & Tweet & Santucci, 2023

Hodnett, John-Paul M., Toomey, Rickard, Olson, Rickard, Tweet, Justin S. & Santucci, Vincent L., 2023, Janassid petalodonts (Chondrichthyes, Petalodontiformes, Janassidae) from the middle Mississippian (Viséan) Ste. Genevieve Formation, Mammoth Cave National Park, Kentucky, USA, Historical Biology CLXVI (CLXVI), pp. 1-10 : 2-3

publication ID 10.1080/08912963.2023.2231955


persistent identifier

treatment provided by


scientific name


subfam. nov.

Subfamily Cholodinae subfam. nov.


Janassid petalodonts with relatively labiolingually thick median cusps with pointed apexes, lingual cristae robust and crest-like, basolabial tooth base orientation is longitudinally directed.

Type genus

Cholodus St. John and Worthern 1875 .

Included Genera

Cypripediodens Duffin and Ward 2017; Cavusodus Itano 2023.


Late Mississippian (Serpukhovian) to Late Pennsylvanian (Kasimovian-Gzhelian) of North America and United Kingdom.

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