Ichthyosaurus
Edición de la obra Ichthyosaurus
| Autor | Wilson, Ron |
|---|---|
| Editorial | Rourke Enterprises |
| Fecha de publicación | 1984 |
| Lugar | Vero Beach, FL |
| Idioma | inglés |
| Páginas | 19 |
| ISBN-10 | 0865922047 |
| OCLC | 10799856 |
| LCCN | 84011483 |
| Número de Cutter | W752i |
Introduces the ichthyosaur, or fish lizard, a reptile that swam like a fish, which first appeared during the Triassic period 250 million years ago.