original description
Hall, J. (1845). Descriptions of organic remains collected by Captain J. C. Frémont, in the geographical survey of Oregon and North Californa. In: Frémont, J.C. Report of the exploring expedition to the Rocky Mountains in the year 1842, and to Oregon and North California. Gales and Seaton, Washington, pp. 304-310., available online at https://www.biodiversitylibrary.org/page/32560211
page(s): 309, pl. 3, fig. 13 [details]
From editor or global species database
Neotype Hartman (2004) designated a neotype, which is stored in the U.S. National Museum of Natural History-Invertebrate Paleontology Collection (Washington, D.C.), coll. no. USNM-I 374609. Type locality and stratum: locality no. L0584b, Uinta County, Wyoming, Mu [details]
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To MNHN Fossil coll... [hosted externally] |