TY  - BOOK
AU  - Smith B G
TI  - Heterodontid sharks: their natural history and the external development
U1  - 567 
PY  - 1942///
CY  - New York
PB  - American museum of natural history
KW  - Heterodontid Sharks
N1  - Based on the notes and drawings by Bashford Dean
ER  -