A lower eocene frigatebird from the Green River Formation of Wyoming (Pelecaniformes : Fregatidae) /
Olson, Storrs L.
A lower eocene frigatebird from the Green River Formation of Wyoming (Pelecaniformes : Fregatidae) / Storrs L. Olson - Washington : Smithsonian Institution Press, 1977. - 32 p. : ill. ; 26 cm. - Smithsonian contributions to paleobiology no.35 .
77-608097
Limmofregata azyfosternon.
Paleontology--Eocene.
Paleontology--Wyoming.
A lower eocene frigatebird from the Green River Formation of Wyoming (Pelecaniformes : Fregatidae) / Storrs L. Olson - Washington : Smithsonian Institution Press, 1977. - 32 p. : ill. ; 26 cm. - Smithsonian contributions to paleobiology no.35 .
77-608097
Limmofregata azyfosternon.
Paleontology--Eocene.
Paleontology--Wyoming.