Gastropoda - Trochoidea - Trochidae
Alternative spelling: Margarita
Parent taxon: Trochus according to E. Smith 1880
See also Gray 1847
Sister taxa: Trochus (Anadema), Trochus (Carinidea), Trochus (Coelotrochus), Trochus (Flemingia), Trochus (Praecia), Trochus (Solarium), Trochus (Thorista), Trochus (Trochus), Trochus (Turcicula), Trochus (Ziziphinus), Trochus adrianensis, Trochus agglutinans, Trochus alligatus, Trochus alpis, Trochus ambalensis, Trochus angulatoplicatus, Trochus anthracophilus, Trochus arcotensis, Trochus asper, Trochus avernus, Trochus bicarinatus, Trochus binodulosus, Trochus bisertus, Trochus caumontii, Trochus crenularis, Trochus delaunayi, Trochus dentatus, Trochus deslongchampsi, Trochus ellipticus, Trochus erythraeus, Trochus fastigiatus, Trochus funiculosus, Trochus glandulus, Trochus gubleri, Trochus hanleyanus, Trochus hierlatzensis, Trochus hinchmanensis, Trochus imperitus, Trochus laevis, Trochus lissochilus, Trochus maculatus, Trochus margaritifer, Trochus maximiliani, Trochus monilifer, Trochus nessigii, Trochus ornatus, Trochus ornatus, Trochus pfeifferi, Trochus quadrangulonodulosus, Trochus quadrilineatus, Trochus radiatulus, Trochus radiatus, Trochus rajah, Trochus rapidus, Trochus rauenorum, Trochus rotelloides, Trochus sandwichensis, Trochus sarthinus, Trochus stefaninii, Trochus stellatus, Trochus strigillatus, Trochus sulcatus, Trochus tectum, Trochus tihensis, Trochus toulai, Trochus tricarinatus, Trochus varius, Trochus verrucosus, Trochus virgatus, Trochus woodwardi, Trochus zinkeni
Subtaxa: none
Ecology: epifaunal grazer
Distribution:
• Quaternary of United States (2: California collections)
• Pliocene of the United Kingdom (1)
Total: 3 collections each including a single occurrence