ammonites
Siphonalia spatiosa Tate 1888 (true whelk)

Gastropoda - Neogastropoda - Buccinidae

Full reference: R. Tate. 1888. The gastropods of the older Tertiary of Australia (Part 1). Transactions and Proceedings of the Royal Society of Australia 10:91-171

Belongs to Siphonalia according to R. Tate 1888

Sister taxa: Siphonalia acuta, Siphonalia andersoni, Siphonalia ariejansseni, Siphonalia belenensis, Siphonalia calvertana, Siphonalia cassidariaeformis, Siphonalia cotteri, Siphonalia devexus, Siphonalia ishikariana, Siphonalia johnsoni, Siphonalia longirostris, Siphonalia nipponica, Siphonalia nuntia, Siphonalia paradoxica, Siphonalia phosoidea, Siphonalia roblini, Siphonalia shojii, Siphonalia signa, Siphonalia tessaria, Siphonalia trilica

Ecology: epifaunal carnivore

Average measurements (in mm): shell 98.0 x 48.0