Dunveganoceras pondi

Geological Range

Dunveganoceras pondi Zone: Upper Cenomanian 94.71 ± 0.49

Cenomanian to Coniacian

Paleogeographic Distribution

Kansas to South Dakota

Remarks

Original presentation: Dunveganoceras pondi

Original publication. Haas, O. 1949. Acanthoceratid Ammonoidea from near Greybull, Wyoming. Bulletin of the American Museum of Natural History 93(1) [p. 22-30, pl. 8, figs 1-5, 8, pl. 9, figs 1, 3, 4, pls 10-14, text figs 11-13, 16 17].

Holotype: AMNH 26416.

Type locality: near Greybull, Wyoming (Haas, 1949).

Type horizon: Cody Shale (Haas, 1949).

Zonation: Dunveganoceras pondi zone = Upper Cenomanian (94.71 +/- 0.49 Ma) (Cobban et al., 2006).

PaleoDB taxon number: 318804.

References: Kennedy and Cobban (1990).

Origin of name: “[n]amed in honor of Mr. W. F. Pond” (Haas, 1949, p. 22).

Stratigraphic Occurrences

Cenomanian

Belle Fourche Formation (MT)

Cody Shale (WY)

Frontier Formation (WY)

Graneros Shale (IA)

Greenhorn Limestone (KS)

Greenhorn Limestone (Lincoln Shale Member) (KS)

Unknown Stage

Cody Shale (WY)