†Goniophora Phillips 1848 (clam)
Bivalvia - Modiomorphida - Modiomorphidae
Alternative spelling: Sanguinolites (Goniophora)
Synonyms: Mytilomorpha Hind 1899, Naiadopsis Mendes 1952
Parent taxon: Modiomorphinae according to L. Liljedahl 1994
Sister taxa: Aleodonta, Callodonta, Colpomya, Eurymyella, Mimerodonta, Modiodonta, Modiolodon, Modiomorpha, Radiatodonta
Subtaxa: Goniophora (Cosmogoniophora), Goniophora (Goniophora), Goniophora alei, Goniophora andersoni, Goniophora ascia, Goniophora bragei, Goniophora brimeri, Goniophora compta, Goniophora cristata, Goniophora gymeri, Goniophora solci, Goniophora tyri, Naiadopsis lamellosus
Type: Cypricardia cymbaeformis
Ecology: stationary semi-infaunal suspension feeder