Upper miocene echinoids from the yorktown formation of virginia and their environmental significance
Kier Porter M
Upper miocene echinoids from the yorktown formation of virginia and their environmental significance - 1972
53736
Textual
Echinodermata
Zoology
K54:55.7317.A4, L2
Upper miocene echinoids from the yorktown formation of virginia and their environmental significance - 1972
53736
Textual
Echinodermata
Zoology
K54:55.7317.A4, L2
