Parent taxon: Orthothecida according to J. J., Jr. Sepkoski 2002
Sister taxa: Aldanothecidae, Allathecidae, Ancheilotheca, Bolitheca, Brevitheca, Bucanotheca, Carinitheca, Chelsonella, Circothecidae, Cupitheca, Curtitheca, Ebianotheca, Eogloborilus, Eonovitatus, Girvanolithes, Gracilithecidae, Hexitheca, Inflaticornus, Isititheca, Khetatheca, Kotuyitheca, Lophotheca, Minitheca, Mooritheca, Neobactrotheca, Nikatheca, Novitatidae, Orthothecidae, Panitheca, Paragloborilus, Petasotheca, Plicitheca, Probactrotheca, Renitheca, Sysoievia, Tchuranitheca, Tetratheca, Tetrathecidae, Triplicatellidae, Turcutheca
Subtaxa: none
Ecology: stationary epifaunal suspension feeder
Distribution: there are no occurrences of Grandicornus in the database
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.