TY  - BOOK
AU  - Hill,Robert Thomas
AU  - Vaughan,Thomas Wayland
TI  - The lower Cretaceous Gryphæas of the Texas region,
AV  - QE75 .B9 no. 151
PY  - 1898///
CY  - Washington
PB  - Govt. Print. Off.
KW  - Gryphæa
KW  - Paleontology
KW  - Texas
KW  - Cretaceous
ER  -