Trilobita - Phacopida - Acastidae
Alternative spelling: Phacops (Acaste)
Synonym: Acastina Reed 1927 [objective synonym]
Parent taxon: Acastidae according to G. D. Edgecombe 2007
See also Jell and Adrain 2002, Salter 1864 and Sepkoski 2002
Sister taxa: Acastava, Acastella, Acastellina, Acastoides, Acastopyge, Armorigreenops, Asteropyginae, Baniaspis, Bellacartwrightia, Braunops, Breizhops, Centauropyge, Chimaerastella, Coltraneia, Cryphina, Delocare, Deloops, Echinopyge, Feruminops, Gourdonia, Greenops, Hallandclarkeops, Harringtonacaste, Heliopyge, Hexacosta, Hollardops, Kayserops, Kennacryphaeus, Kloucekia, Llandovacaste, Metacanthina, Mimocryphaeus, Morocconites, Neocalmonia, Neometacanthus, Paracryphaeus, Pelitlina, Phacopidina, Pilletina, Protacanthina, Pseudocryphaeus, Psychopyge, Sanidopyge, Scotiella, Sokhretia, Stummiana, Tolkienia, Treveropyge, Turcopyge, Walliserops
Subtaxa: Acaste andersoni Acaste downingiae
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Devonian of Algeria (3 collections), Australia (1), Morocco (1), New Zealand (1), Uruguay (1)
• Silurian to Devonian of Algeria (2), Morocco (2)
• Silurian of Belarus (1), Estonia (3), Poland (1), Ukraine (3), the United Kingdom (9)
Total: 28 collections including 31 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.