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Paleontological Research Institution

Paleontological Research Institution


The Paleontological Research Institution


Examples from their collection:

Torgnellus peruvianus Olsson, 1944; Holotype; Radiolite Sandstone, Baculites Zone, Maastrichtian, upper Cretaceous; La Tortuga, Piura Department, Peru; 38,2 mm; Coll. PRI no. 4938; Image reproduced courtesy of the Paleontological Research Institution.

Perustrombus tortugensis Olsson, 1944; Holotype; Radiolite Sandstone, Baculites Zone, Maastrichtian, upper Cretaceous; La Tortuga, Piura Department, Peru; 23,1 mm; Coll. PRI no. 4940; Image reproduced courtesy of the Paleontological Research Institution.

Perustrombus wheeleri Olsson, 1944; Holotype; Radiolite Sandstone, Baculites Zone, Maastrichtian, upper Cretaceous; La Tortuga, Piura Department, Peru; 58,2 mm; Coll. PRI no. 4939; Image reproduced courtesy of the Paleontological Research Institution.

Oostrombus chiraensis (Olsson, 1931); Holotype; Chira Formation, early Oligocene; Casa Saman, Piura Department, Peru; 53,2 mm; Coll. PRI no. 2029; Image reproduced courtesy of the Paleontological Research Institution

Pugnellus cypraeformis Olsson, 1934; Holotype; Monte Grande Formation, upper Cretaceous; Monte Grande, Piura Department, Peru; 55,2 mm; Coll. PRI no. 3756; Image reproduced courtesy of the Paleontological Research Institution.

Pugnellus cypraeformis Olsson, 1934; Paratype; Monte Grande Formation, upper Cretaceous; Monte Grande, Piura Department, Peru; 44,12 mm; Coll. PRI no. 3754; Image reproduced courtesy of the Paleontological Research Institution.

Calyptraphorus hopkinsis Olsson, 1934; Holotype; Monte Grande Formation, upper Cretaceous; Monte Grande, Piura Department, Peru; 38,7 mm; Coll. PRI no. 3759; Image reproduced courtesy of the Paleontological Research Institution.

Strombus burhinus Olsson, 1929; Holotype; middle Eocene; Restin, Piura Department, Peru; 55,8 mm; Coll. PRI no. 3873; Image reproduced courtesy of the Paleontological Research Institution

Anchura pacifica Olsson, 1944; Holotype; Radiolite Sandstone, Baculites Zone, Maastrichtian, upper Cretaceous; La Tortuga, Piura Department, Peru; 18,9 mm; Coll. PRI no. 4943; Image reproduced courtesy of the Paleontological Research Institution.

Calyptrophorus velatus nodovelatus Palmer, 1937; Syntype; Cook Mountain Formation, middle Eocene; Hammett's Branch, Bienville Parish, Louisiana, USA; Coll. PRI no. 2973; Image reproduced courtesy of the Paleontological Research Institution

Calyptrophorus velatus nodovelatus Palmer, 1937; Syntype; Cook Mountain Formation, upper Claiborne Group, middle Eocene; Wautubbee, Clark County, Mississippi, USA; Coll. PRI no. 2974; Image reproduced courtesy of the Paleontological Research Institution

Calyptrophorus velatus nodovelatus Palmer, 1937; Syntype; Cook Mountain Formation, middle Eocene; Hammett's Branch, Bienville Parish, Louisiana, USA; Coll. PRI no. 2975; Image reproduced courtesy of the Paleontological Research Institution

Calyptrophorus velatus nodovelatus Palmer, 1937; Syntype; Cook Mountain Formation, middle Eocene; Hammett's Branch, Bienville Parish, Louisiana, USA; Coll. PRI no. 2976; Image reproduced courtesy of the Paleontological Research Institution

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