Janassinae Jaekel 1898

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 : 3-4

publication ID

https://doi.org/ 10.1080/08912963.2023.2231955



persistent identifier


treatment provided by


scientific name

Janassinae Jaekel 1898


Subfamily Janassinae Jaekel 1898

Revised diagnosis

Janassid petalodonts with relatively labiolingually thin and mesiodistally blunt median cusps, multiple thin lingual cristae, basolabial tooth base orientation is transversely directed.

Type genus

Janassa ; Münster 1839

Included Genera

Strigilodus gen. nov.


Middle Mississippian (Viséan) to Middle Permian (Guadalupian) of North America and Europe.

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