MolluscaBase 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
Publication
Available for editors [request]
Date
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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)
Unio mesaverdensis Yen, 1954 † (original description)
Unio paraholmesianus Yen, 1954 † accepted as Nippononaia paraholmesiana (Yen, 1954) † (original description)
Unio pseudendlichi Yen, 1954 † (original description)
Colorado for Unio mesaverdensis Yen, 1954 †
Colorado for Unio paraholmesianus Yen, 1954 †
Colorado for Unio pseudendlichi Yen, 1954 †
Colorado for Unio paraholmesianus Yen, 1954 †
Colorado for Unio pseudendlichi Yen, 1954 †
Holotype USNM 108533, identified as Tulotomops laevibasalis Yen, 1954
Holotype USNM 108538, identified as Unio pseudendlichi Yen, 1954
Holotype USNM 108539, identified as Unio paraholmesianus Yen, 1954
Paratype USNM 108540, identified as Unio paraholmesianus Yen, 1954
Paratype USNM 108541, identified as Unio paraholmesianus Yen, 1954
Holotype USNM 108542, identified as Unio mesaverdensis Yen, 1954
Holotype USNM 108538, identified as Unio pseudendlichi Yen, 1954
Holotype USNM 108539, identified as Unio paraholmesianus Yen, 1954
Paratype USNM 108540, identified as Unio paraholmesianus Yen, 1954
Paratype USNM 108541, identified as Unio paraholmesianus Yen, 1954
Holotype USNM 108542, identified as Unio mesaverdensis Yen, 1954
Type locality
"USGS Mesozoic loc. 13674, in sec. 2, T. 21 S., R. 18 E., Horse Canyon, Utah", United States [details]
Type locality
USGS Mesozoic loc. 13790 or 13970 (numbers mixed up); in NW corner SW 1/4 sec. 29, T. 7 S., R. 104 W., near ... [details]
Type locality
"In NW corner SW 1/4 sec. 29, T. 7 S., R. 104 W., near Closure, Colorado; 40 feet above highest Carbonera coal bed, ... [details]
Type locality
USGS Mesozoic loc. 13790 or 13970 (numbers mixed up); in NW corner SW 1/4 sec. 29, T. 7 S., R. 104 W., near ... [details]