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Discoscaphites conradi

Geological Range

Maastrichtian.

Paleogeographic Distribution

Alabama and Texas to North Dakota; Maryland.

Remarks

Original presentation: Ammonites conradi

Original publication: Morton. 1834. [p. 39, pl. 16, fig. 3].

Holotype: ANSP 51551.

Type locality: awaiting determination.

Type horizon: Prairie Bluff Chalk.

Other specimens: YPM 27182, YPM 27104, YPM 27132, YPM 27185, YPM 27183, YPM 27188, YPM 27187, YPM 27186, YPM 27195, YPM 27129, YPM 27198, YPM 27128, YPM 27129, YPM 27106, YPM 27127, YPM 27133, YPM 27197, YPM 27196, YPM 27103, YPM 27120, YPM 27115, YPM 27112, YPM 27102, YPM 27111, YPM 34100, YPM 23048, AMNH 44232, AMNH 44677, USNM 468859; also see Landman and Waage (1993).

Other occurrences: Prairie Bluff Chalk (AL), Kemp Clay (TX), Corsicana Marl (TX), Severn Fm. (MD) (Landman and Waage, 1993).

PaleoDB taxon number: 129476.

Synonyms: Discoscaphites roanensis Stephenson, 1941 (source: Landman and Waage, 1993).

Reference: Landman and Waage (1993).

Stratigraphic Occurrences

Maastrichtian
Fox Hills Formation (Timber Lake Member)
Fox Hills Formation (Trail City Member) (ND)
Fox Hills Formation (Trail City Member) (SD)
Pierre Shale (Elk Butte Member)
Specimens of <i>Discoscaphites conradi</i> (YPM27182 and YPM27104) (macroconchs). See original caption for additional details. Image modified from figs. 149A-H in Landman and Waage (1993 in <i>Bulletin of the American Museum of Natural History</i>, no. 215) and used with permission.
Specimens of Discoscaphites conradi (YPM27182 and YPM27104) (macroconchs). See original caption for additional details. Image modified from figs. 149A-H in Landman and Waage (1993 in Bulletin of the American Museum of Natural History, no. 215) and used with permission.
Specimens of <i>Discoscaphites conradi</i> (YPM27182 and YPM27104) (microconchs). See original caption for additional details. Image modified from figs. 149A-H in Landman and Waage (1993 in <i>Bulletin of the American Museum of Natural History</i>, no. 215) and used with permission.
Specimens of Discoscaphites conradi (YPM27182 and YPM27104) (microconchs). See original caption for additional details. Image modified from figs. 149A-H in Landman and Waage (1993 in Bulletin of the American Museum of Natural History, no. 215) and used with permission.
Sutures of <i>Discoscaphites conradi</i>. See original caption for additional details. Image modified from figs. 158 in Landman and Waage (1993 in <i>Bulletin of the American Museum of Natural History</i>, no. 215) and used with permission.
Sutures of Discoscaphites conradi. See original caption for additional details. Image modified from figs. 158 in Landman and Waage (1993 in Bulletin of the American Museum of Natural History, no. 215) and used with permission.
<i>Discoscaphites conradi</i> from the Maastrichtian Fox Hills Fm. (Trail City Member) of Corson County, South Dakota (YPM 53077).
Discoscaphites conradi from the Maastrichtian Fox Hills Fm. (Trail City Member) of Corson County, South Dakota (YPM 53077).
<i>Discoscaphites conradi</i> from the Maastrichtian Fox Hills Fm. (Trail City Member) of Corson County, South Dakota (YPM 53092).
Discoscaphites conradi from the Maastrichtian Fox Hills Fm. (Trail City Member) of Corson County, South Dakota (YPM 53092).

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