Trilobita - Proetida - Proetidae
Full reference: J. L. Begg. 1939. Some new Species of Proetidae and Otarionidae from the Ashgillian of Girvan. Geological Magazine 76(8):372-382
Parent taxon: Proetus according to J. L. Begg 1939
See also Jell and Adrain 2002, Owen 1981, Owens 2006 and Sepkoski 2002
Sister taxa: Proetus (Clypoproetus), Proetus (Crassiproetus), Proetus (Devonoproetus), Proetus (Gerastos), Proetus (Megaproetus), Proetus (Neoproetus), Proetus (Piriproetus), Proetus (Pribylia), Proetus (Proetus), Proetus (Tropidocoryphe), Proetus (Warburgaspis), Proetus alaricus, Proetus astringens, Proetus blandi, Proetus canalis, Proetus chambliensis, Proetus clelandi, Proetus concinnus, Proetus conspersus, Proetus desertus, Proetus fardenensis, Proetus foculus, Proetus frechi, Proetus kopaninensis, Proetus kuressaarensis, Proetus latifrons, Proetus lecointrei, Proetus lindoei, Proetus manitobensis, Proetus marginalis, Proetus micropygus, Proetus morinensis, Proetus namanensis, Proetus nemus, Proetus nieszkowskii, Proetus pluteus, Proetus regalus, Proetus romanicus, Proetus scalicus, Proetus signatus, Proetus subcarintiacus, Proetus subtriangularis, Proetus vescus, Proetus volcovcyanus, Proetus zhusilengensis, Falcatoproetus falcatus
Subtaxa: Proetus (Astroproetus) whittardi
Ecology: fast-moving low-level epifaunal deposit feeder
Distribution: found only at Ladyburn River, Starfish Bed, Bed No. 2 (Ordovician of the United Kingdom)