(Jepsen, 1940) The species Prochetodon cavus weighed about 135 g. Remains have been discovered in Wyoming, in the United States.

They were found in the Princeton Quarry, and the deposits were dated from the Upper Paleocene to the Lower Eocene.

Material is in the collection of the Peabody Museum of Natural History at Yale.

(Jepsen, 1940) The species Prochetodon foxi weighed about 200 g. Remains have been discovered in Wyoming and Montana in the United States, in the Long Draw Quarry, and in the Swan Hills of Alberta, Canada.

(Krause, 1987) The species Prochetodon taxus weighed about 190 g. Remains have been discovered in Wyoming, in the United States, in the deposits of Clark's Fork Basin, which have been dated to the Upper Paleocene.