Gastropoda - Neogastropoda - Fasciolariidae
Alternative spellings: Fusus (Roperia), Roperia
Parent taxon: Fusinus according to W. H. Dall 1921
See also Grant, IV and Gale 1931 and Sepkoski 2002
Sister taxa: Fusinus (Fusinus), Fusinus (Gracilipurpura), Fusinus alaquaensis, Fusinus bocarepertus, Fusinus bocaserpentis, Fusinus caboblanquensis, Fusinus closter, Fusinus coalingensis, Fusinus colubri, Fusinus colus, Fusinus dictyotis, Fusinus dilectus, Fusinus dilleri, Fusinus dupetitthouarsi, Fusinus empireensis, Fusinus empleus, Fusinus engonius, Fusinus exilis, Fusinus fabulator, Fusinus gesteri, Fusinus graciloaustralis, Fusinus henekeni, Fusinus henicus, Fusinus hoffmani, Fusinus honensis, Fusinus longiusculoides, Fusinus macnairyensis, Fusinus magdalenensis, Fusinus markleyensis, Fusinus meganosensis, Fusinus meredithae, Fusinus merriami, Fusinus meunieri, Fusinus mohrioides, Fusinus obtentus, Fusinus patagoniensis, Fusinus pinolianus, Fusinus quilonicus, Fusinus sculptilis, Fusinus sewalliana, Fusinus simiensis, Fusinus simulans, Fusinus sirenideditus, Fusinus springvalensis, Fusinus suraknisos, Fusinus taeniensis, Fusinus teglandae, Fusinus trentensis, Fusinus ucalius, Fusinus unicarinatus, Fusinus voetus, Fusinus vonderschmidti, Fusus (Exilifusus)
Subtaxa: Roperia poulsoni
Ecology: epifaunal carnivore
Distribution:
• Quaternary of Mexico (1 collection), United States (17: California)
Total: 18 collections each including a single occurrence