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Traits source details
Yen, T.-C. (1954). Nonmarine Mollusks of Late Cretaceous Age From Wyoming, Utah and Colorado. Part 2: Faunas from eastern Utah and western Colorado. United States Geological Survey Professional Paper. 254-B: 59-66.
301435
Yen, T.-C.
1954
Nonmarine Mollusks of Late Cretaceous Age From Wyoming, Utah and Colorado. Part 2: Faunas from eastern Utah and western Colorado
United States Geological Survey Professional Paper
254-B: 59-66
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Tulotomops laevibasalis Yen, 1954 † (original description)
Unio mesaverdensis Yen, 1954 † (original description) Unio paraholmesianus Yen, 1954 † accepted as Nippononaia paraholmesiana (Yen, 1954) † (original description) Unio pseudendlichi Yen, 1954 † (original description) |