Kummel, Bernhard 1919- creator text bibliography dcu Washington U.S. Govt. Print. Off. 1953 monographic eng

print

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. Nautiloidea, Fossil Paleontology United States Paleontology Triassic QE75 .P9 no. 250 564.52 I 19.16:250 I 19.16:250 gs 53000243 DLC 780414 20260227111400.0 gs 53000243