Gastropoda - Neogastropoda - Buccinidae
Parent taxon: Siphonalia according to Adams 1863
Sister taxa: Siphonalia (Eosiphonalia), Siphonalia (Kelletia), Siphonalia acuta, Siphonalia ariejansseni, Siphonalia belenensis, Siphonalia bryani, Siphonalia calvertana, Siphonalia cassidariaeformis, Siphonalia cotteri, Siphonalia danvillensis, Siphonalia devexus, Siphonalia guineensis, Siphonalia hadlockensis, Siphonalia ishikariana, Siphonalia jacksonia, Siphonalia johnsoni, Siphonalia kalpanae, Siphonalia lineata, Siphonalia longirostris, Siphonalia nigeriensis, Siphonalia nipponica, Siphonalia nuntia, Siphonalia packi, Siphonalia paradoxica, Siphonalia phosoidea, Siphonalia pritilatae, Siphonalia roblini, Siphonalia rodeoensis, Siphonalia sakakurai, Siphonalia shojii, Siphonalia signa, Siphonalia spatiosa, Siphonalia sullivani, Siphonalia supragranulata, Siphonalia teglandae, Siphonalia tessaria, Siphonalia trilica, Siphonalia vistaensis, Siphonalia washingtonensis
Subtaxa: none
Type: Buccinum cassidariaeforme
Ecology: epifaunal carnivore
Distribution: found only at PRI 770 (Eocene of Mississippi)