Cenomanian
Texas
Original presentation: Forbesiceras conlini
Original publication: Stephenson. 1953. [p. 205, pl. 56, fig. 1, pl. 57, figs 2-6].
Holotype: USNM 105987.
Type locality: Tarrant County, Texas (Kennedy and Cobban, 1990a).
Type horizon: Tarrant Formation (Kennedy and Cobban, 1990a).
Reference: Kennedy and Cobban (1990a).