Trilobita - Proetida - Telephinidae
Parent taxon: Proetida according to R. A. Fortey and D. L. Bruton 2013
See also Adrain 2011, Chatterton et al. 1999, Fortey and Droser 1999 and Whittington et al. 1997
Sister taxa: Aulacopleuroidea, Bathyuridae, Bathyuroidea, Cammingella, Dimeropygidae, Huanoproetus, Hystricuridae, Niachangella, Parapalebralia, Phaselops, Proetoidea, Pusillaboles, Radonia, Sperginaspis, Tayanaella, Tekinia, Vitaella
Subtaxa: Carolinites Carrickiinae Goniophrys Oopsites Opipeuter Opipeuteridae Phorocephala Pyraustocranium Telephina
Ecology: nektonic microcarnivore
Distribution:
• Ordovician of Argentina (4 collections), Australia (20), Canada (27: Alberta, Newfoundland and Labrador, Northwest Territories), China (45), the Czech Republic (1), Iran (1), Ireland (3), Italy (2), Kazakhstan (1), Norway (36), the Russian Federation (11), Sweden (11), the United Kingdom (5), United States (55: California, Idaho, Maine, Nevada, New York, Utah, Virginia)
• Llandeilo of China (5), the United Kingdom (2)
• Whiterockian of Canada (12: Newfoundland and Labrador, Northwest Territories, Quebec), Norway (4), United States (13: Nevada, New York, Oklahoma, Vermont)
• Castlemainian of Ireland (1)
• Arenigian of Canada (1: Northwest Territories), China (5), United States (5: Nevada, Utah)
• Arenig of Argentina (7), Australia (7), Canada (1: Newfoundland and Labrador), China (10), Norway (4)
• Dawan of China (1)
• Cassinian of Canada (1: Newfoundland and Labrador), the United Kingdom (1)
• Canadian of Canada (2: Northwest Territories, Québec)
Total: 304 collections including 377 occurrences