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Janassa clarki Lund 1989 (jawed fish)

Chondrichthyes - Gnathostomata

PaleoDB taxon number: 151681

Full reference: R. Lund. 1989. New petalodonts (Chondrichthyes) from the Upper Mississippian Bear Gulch Limestone (Namurian E₂b) of Montana. Journal of Vertebrate Paleontology 9(3):350-368

Belongs to Janassa according to R. Lund 1989

Sister taxa: Janassa angularis, Janassa bituminosa, Janassa clavatus, Janassa imbricatus, Janassa kochi, Janassa korni, Janassa linguaeformis, Janassa maxima, Janassa unguicula, Janassa unguiformis

Type specimen: MV 7697, a tooth (tooth in part and counterpart). Its type locality is MV 7106, Supercrop Quarry, Bear Gulch, which is in an Arnsbergian lagoonal/restricted shallow subtidal limestone in the Heath Formation of Montana.

Ecology: nektonic carnivore