| GMD | Text |
| Classification | 560 Sm62 |
| Publisher | Loughborough, England, Ladybird Books, c1974 |
| Subject | Fossils -- Juvenile literature.Reptiles, Fossil. |
| Series | Natural history series. |
| Description | 50 p. : ill. ; 18 cm. |
| ISBN | 9780721403595 |
| Additional ISBN | 072140359X |