Ampyx (trilobite)
Appearance
Ampyx is a genus of Asaphid Ordovician-Silurian trilobites. They are characterized by three extended spines on the head-shield [1]. Species include Ampyx linleyensis (Lanvirn-Caradoc series) [2]
References
- ^ H H Swinnerton - Outlines of Palaentology, Edward Arnold (Publishers) Ltd, 1972. ISBN 0 7131 2357 5.
- ^ British Palaeozoic Fossils - Natural History Museum 4th edition 1975. Plate 8. ISBN 0 565 05624 7. .