Cenomanian
Texas
Original presentation: Eucalycoceras leonense
Original publication: Adkins. 1928. [p. 240, pl. 28, fig. 1, pl. 29, fig. 3].
Holotype: TMM 34051.
Type locality: Bell County, Texas (Kennedy and Cobban, 1990).
Type horizon: “Bluebonnet Member of the Lake Waco Formation” (Kennedy and Cobban, 1990a, p. 118).
Other specimens: USNM 420256-420259.
Zonation: Acanthoceras bellense zone (Kennedy and Cobban, 1990a).
References: Kennedy and Cobban (1990a).