†family Bathycheilidae Pribyl 1953 (trilobite)
Trilobita - Phacopida - Bathycheilidae
Parent taxon: Calymenina according to J. M. Adrain 2011
See also Jell and Adrain 2002 and Whittington et al. 1997
Sister taxa: Bavarillidae, Calymenidae, Homalonotidae, Pharostomatidae
Subtaxa: Bathycheilus Eulomina
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Dobrotivian of Morocco (1 collection), Portugal (1)
• Fennian of France (1)
• Arenig of Morocco (2)
• Klabava of France (2)
• Ordovician of the Czech Republic (3), France (1), Morocco (9), Spain (5), the United Kingdom (1)
• Tremadoc of the Czech Republic (4), Spain (1)
Total: 31 collections including 33 occurrences