| Revised by | Stanley Peter Dance |
| Adapted by | Stanley Peter Dance |
| Illustrator | Susanne Larsen, Bente Nyström |
| Translated by | H. W. Lascelles |
| Publisher | Penguin |
| Copyright Holder | Penguin Books Ltd |
| Copyright Holder (Original Edition) | Gyldendalske Boghandel Nordisk Forlag |
| Printed by | Gris Impressores |
| Film Processing | Northumberland Press Limited |
| About/Subject | Molluscs, Marine Life, Bivalves, Seashells |
| Publisher Series | Penguin Nature Guides |
| Format | Hardback |
| Language | English |
| Location | England |
| This Edition Published | 1980 |
| Copyright | 1978 |
| Pages / Font | 124 pages |
| ISBN | 0 14 063.012 0 |
| Price | £1.95 |
