Family Lutrochidae Kasap and Crowson 1975 (robust marsh loving beetle)
Insecta - Coleoptera - Lutrochidae
Parent taxon: Dryopoidea according to C. Y. Cai et al. 2022
See also Crowson 1981 and Lawrence and Newton 1995
Sister taxa: Actinocerites, Brachypodites, Callirhipidae, Chelonariidae, Cneoglossidae, Dryopidae, Elmidae, Eulichadidae, Expansifemoria, Heteroceridae, Jiuquanocoleus, Limnichidae, Mastigocoleidae, Psephenidae, Ptilodactylidae
Subtaxa: Lutrochites
Ecology:
Distribution: found only at Florissant, Station 14 (Eocene of Colorado)