Petalocrinus
edit
Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Echinodermata
Subphylum: Crinozoa
Classis: Crinoidea
Subclassis: †Cladida
Infraclassis: Cyathocrinina
Superfamilia: Gasterocomacea
Familia: Petalocrinidae
Genus: Petalocrinus
Species: P. bifidus – P. mirabilis
and 14 more species
Name edit
Petalocrinus Weller and Davidson, 1896