Trilobita - Phacopida - Acastidae
Alternative spellings: Acaste (Acastella), Phacops (Acastella)
Parent taxon: Acastidae according to P. A. Jell and J. M. Adrain 2002
See also Bault et al. 2021 and Sepkoski 2002
Sister taxa: Acastava, Acaste, Acastellina, Acastoides, Acastopyge, Armorigreenops, Asteropyginae, Baniaspis, Bellacartwrightia, Braunops, Breizhops, Centauropyge, Chimaerastella, Coltraneia, Cryphina, Delocare, Deloops, Echinopyge, Feruminops, Gourdonia, Greenops, Gudralisium, Hallandclarkeops, Harringtonacaste, Hexacosta, Hollardops, Kayserops, Kennacryphaeus, Kloucekia, Llandovacaste, Mimocryphaeus, Morocconites, Neocalmonia, Paracryphaeus, Pelitlina, Phacopidina, Pilletina, Protacanthina, Pseudocryphaeus, Psychopyge, Rheicops, Sanidopyge, Scotiella, Sokhretia, Stummiana, Tolkienia, Treveropyge, Turcopyge, Walliserops
Subtaxa: Acastella artesia Acastella granulosa Acastella heberti Acastella hollardi Acastella jacquemonti Acastella latimarginata Acastella patula Acastella rouaulti Acastella spinosa Acastella tanzidensis Acastella tiro
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Devonian of Algeria (7 collections), Australia (3), Belarus (1), France (10), Morocco (5), New Zealand (1), Poland (15), Spain (8), Ukraine (8)
• Silurian to Devonian of Algeria (3), Morocco (3), Poland (2), Ukraine (1)
• Silurian of France (1), Latvia (1), Poland (6), Ukraine (2), the United Kingdom (1)
Total: 78 collections including 112 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.