Ampyx (trilobite)
Ampyx Temporal range: Ordovician-Silurian ~ | |
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Ampyx cetsarum group | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Arthropoda |
Class: | †Trilobita |
Order: | †Asaphida |
Family: | †Raphiophoridae |
Genus: | †Ampyx Dalman, 1827 |
Type species | |
Ampyx nasutus | |
Species | |
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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. Species include Ampyx linleyensis (Lanvirn-Caradoc series).
Species of Ampyx grew to an average length of 1.5 inches (3.8 cm).
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