Trilobita - Phacopida - Acastidae
Parent taxon: Acastidae according to P. A. Jell and J. M. Adrain 2002
See also Dean 1983 and Sepkoski 2002
Sister taxa: Acastava, Acaste, 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, Llandovacaste, Metacanthina, Mimocryphaeus, Morocconites, Neocalmonia, Neometacanthus, Paracryphaeus, Pelitlina, Phacopidina, Pilletina, Protacanthina, Pseudocryphaeus, Psychopyge, Sanidopyge, Scotiella, Sokhretia, Stummiana, Tolkienia, Treveropyge, Turcopyge, Walliserops
Subtaxa: Kloucekia (Kloucekia) Kloucekia (Phacopidina) Kloucekia apiculata
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Ordovician of the Czech Republic (10 collections), France (7), Morocco (8), Spain (10), Turkey (1), the United Kingdom (14)
• Llandeilo of Spain (1), the United Kingdom (1)
Total: 52 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.