Principles of invertebrate paleontology /
Twenhofel, William H. 1875-1957,
Principles of invertebrate paleontology / Robert r. shrock, William h. twenhofel - 2 # a revised and enlarged / Of twenhofel and shrock - 816 páginas - International series in earth sciences .
Invertebrados fósiles
QE770 / T83
Principles of invertebrate paleontology / Robert r. shrock, William h. twenhofel - 2 # a revised and enlarged / Of twenhofel and shrock - 816 páginas - International series in earth sciences .
Invertebrados fósiles
QE770 / T83