TY  - BOOK
AU  - Tryon,George W.
TI  - Naticidae calyptraeidae, turritellidae, vermetidae, caecidae, eulimidae, turbonillidae phyramidellidea
T2  - Manual of conchology : structural and systematic
AV  - QL430.5N35 T79
PY  - 1986///
CY  - Philadelphia
PB  - G. w. tryon
KW  - Naticidae (Fosiles)
KW  - Gasterópodos
KW  - Moluscos
N1  - "with illustrations of the species"
ER  -