TY  - BOOK
T1  - Upper Miocene echinoids from the Yorktown Formation of Virginia and their environmental significance
DA  - 1972.
CY  - Washington,
AU  - Kier, Porter M.
CN  - QE701
CN  - QE701
CN  - QE783.E2
PB  - Smithsonian Institution Press; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.]
PP  - Washington,
PY  - 1972.
ID  - 122190
KW  - Sea urchins, Fossil
KW  - Paleontology
KW  - Paleontology
TI  - Upper Miocene echinoids from the Yorktown Formation of Virginia and their environmental significance
ER  -