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Plesiacanthoceras bellsanum

Geological Range

Cenomanian

Paleogeographic Distribution

Texas to Wyoming

Remarks

Original presentation: Mammites bellsanus

Original publication: Stephenson. 1953. [p. 204, pl. 49, fig. 3, pl. 51, figs 8-11].

Holotype: USNM 105983.

Type locality: Grayson County, Texas (Kennedy and Cobban, 1990a).

Type horizon: Templeton Member of the Woodbine Formation (Kennedy and Cobban, 1990a).

Other specimens: USNM 105984-105986 (note: USNM 105986 is Metoicoceras latoventer Stephenson, 1953 according to Kennedy and Cobban, 1990a).

PaleoDB taxon number: 333426.

Reference: Kennedy and Cobban (1990a).

Stratigraphic Occurrences

Cenomanian
Belle Fourche Formation (WY)
Belle Fourche Formation (Metoicoceras mosbyense zone) (WY)
Plesiacanthoceras wyomingense zone (TX)
Woodbine Formation (Templeton Member) (TX)
Specimens of <i>Plesiacanthoceras bellsanum</i>. See original caption for additional details. Image modified from pl. 2, figs 4-8 in Kennedy and Cobban (1990a in <i>Palaeontology</i>), made available through Biodiversity Heritage Library via a CC BY-NC-SA 4.0 license.
Specimens of Plesiacanthoceras bellsanum. See original caption for additional details. Image modified from pl. 2, figs 4-8 in Kennedy and Cobban (1990a in Palaeontology), made available through Biodiversity Heritage Library via a CC BY-NC-SA 4.0 license.
Specimen of <i>Plesiacanthoceras bellsanum</i>. See original caption for additional details. Image modified from pl. 12, fig 9 in Kennedy and Cobban (1990a in <i>Palaeontology</i>), made available through Biodiversity Heritage Library via a CC BY-NC-SA 4.0 license.
Specimen of Plesiacanthoceras bellsanum. See original caption for additional details. Image modified from pl. 12, fig 9 in Kennedy and Cobban (1990a in Palaeontology), made available through Biodiversity Heritage Library via a CC BY-NC-SA 4.0 license.
Suture pattern of <i>Plesiacanthoceras bellsanum</i>. See original caption for additional details. Image modified from text-fig. 23 in Kennedy and Cobban (1990a in <i>Palaeontology</i>), made available through Biodiversity Heritage Library via a CC BY-NC-SA 4.0 license.
Suture pattern of Plesiacanthoceras bellsanum. See original caption for additional details. Image modified from text-fig. 23 in Kennedy and Cobban (1990a in Palaeontology), made available through Biodiversity Heritage Library via a CC BY-NC-SA 4.0 license.

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