American Triassic coiled nautiloids.
Kummel, Bernhard, 1919-
American Triassic coiled nautiloids. - Washington : U.S. Govt. Print. Off., 1953. - 104 p. : ill., 19 plates on 10 leaves, diagrs., tables. ; 29 cm.
"A study of the classification and evolution of late Paleozoic and early Mesozoic cephalopods, and description of new species."
Bibliography : p. 89-93.
gs 53000243
Nautiloidea, Fossil
Paleontology--United States
Paleontology--Triassic
QE75 / .P9 no. 250
564.52
I 19.16:250
American Triassic coiled nautiloids. - Washington : U.S. Govt. Print. Off., 1953. - 104 p. : ill., 19 plates on 10 leaves, diagrs., tables. ; 29 cm.
"A study of the classification and evolution of late Paleozoic and early Mesozoic cephalopods, and description of new species."
Bibliography : p. 89-93.
gs 53000243
Nautiloidea, Fossil
Paleontology--United States
Paleontology--Triassic
QE75 / .P9 no. 250
564.52
I 19.16:250