Trilobita - Odontopleurida - Odontopleuridae
Alternative spelling: Ceratocephalina
Full reference: H. B. Whittington. 1956. Silicified Middle Ordovician trilobites: the Odontopleuridae. Bulletin of the Museum of Comparative Zoology 114(6):155-288
Parent taxon: Ceratocephala according to H. B. Whittington 1956
See also Jell and Adrain 2002 and Sepkoski 2002
Sister taxa: Ceratocephala depauperata, Ceratocephala exigua, Ceratocephala goniata, Ceratocephala graffhami, Ceratocephala impedita, Ceratocephala laciniata, Ceratocephala laticapitata, Ceratocephala phalaenocephala, Ceratocephala rarispina, Ceratocephala triacantheis, Ceratocephala vexilla, Onychaspis laticapitata, Onchaspis confraga, Trapelocera bicuspis
Subtaxa: Ceratocephala (Ceratocephalina) tridens
Type: Ceratocephala (Ceratocephalina) tridens
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Whitwellian of Canada (4: Northwest Territories collections)
• Silurian of Canada (1: Northwest Territories), Ukraine (1), the United Kingdom (1)
• Ordovician of Ireland (1), United States (2: Virginia)
Total: 10 collections including 11 occurrences