Family Geotriidae (lamprey)
Agnatha - Petromyzontiformes - Geotriidae
Parent taxon: Petromyzontiformes according to R. Van Der Laan 2019
See also Jordan 1963 and Nelson et al. 2016
Sister taxa: Euphanerops, Hardistiellidae, Mayomyzon, Mayomyzontidae, Mesomyzon, Mordaciidae, Petromyzontidae, Priscomyzon
Subtaxa: Caragola Chilopterus Exomegas Geotria Macropthalmia Neomordacia Thysanochilus Velasia Yarra
Ecology:
Distribution: there are no occurrences of Geotriidae in the database