Traits name details
original description
Conrad, T. A. (1838-1839). Fossils of the medial Tertiary of the United States. No. 1. Judah Dobson, Philadelphia, pp. i–xvi, 1–32 + covers with text., available online at https://books.google.de/books?redir_esc=y&hl=de&id=5vYyAQAAIAAJ page(s): 8, pl. 4, fig. 2; note: in text "ducatelli" but corrected to "ducateli" in plate captions (named after Prof. Ducatel) [details]
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