TY  - BOOK
AU  - Kier,Porter M
TI  - Triassic echinoids
PY  - 1977///
CY  - Washington
PB  - Smithsonian Institution Press
KW  - Sea urchins, Fossil
KW  - Paleontology
KW  - Triassic
N1  - Includes index; Bibliography: p. 39-41
ER  -