Ampyx (trilobite)

Ampyx
Temporal range: Ordovician-Silurian
~478.6–416.0 Ma
Ampyx cetsarum group
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: †Trilobita
Order: †Asaphida
Family: †Raphiophoridae
Genus: †Ampyx
Dalman, 1827
Type species
Ampyx nasutus
Species
  • A. gongwusuensis Lee et al., 2016
  • A. nasutus Dalman, 1827
Synonyms

Brachyampyx

Ampyx is an Ordovician-Silurian genus of Asaphid trilobites of the family Raphiophoridae. Species of Ampyx are characterized by three extended spines on the head-shield, one spine derived from each free cheek, and one spine emanating from the glabellum.[1] Species include Ampyx linleyensis (Lanvirn-Caradoc series).[2]

Species of Ampyx grew to an average length of 1.5 inches (3.8 cm).

  1. ^ H H Swinnerton - Outlines of Palaeontology, Edward Arnold (Publishers) Ltd, 1972. ISBN 0-7131-2357-5.
  2. ^ British Palaeozoic Fossils - Natural History Museum 4th edition 1975. Plate 8. ISBN 0-565-05624-7.