Acidiscus

Acidiscus
Temporal range:
Acidiscus birdi
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Trilobita (?)
Order: Agnostida
Family: Weymouthiidae
Genus: Acidiscus
Rasetti, 1966
Type species
Acidiscus birdi
Species
  • A. birdi Rasetti, 1966
  • A. hexacanthus Rasetti, 1966
  • A. theristes Rushton, 1966

Acidiscus is a genus of eodiscinid trilobite belonging to the family Weymouthiidae Kobayashi T. (1943), Order Agnostida Salter (1864). It lived during the Botomian stage = late Lower Cambrian Stage 4 (upper of two stages subdividing the unnamed Series 2); the upper Botomian boundary corresponds to base of the Middle Cambrian, Miaolingian Series and Wuliuan stage.