Prehistoric Bilateria genera

Banffia is a genus of animals described from Middle Cambrian fossils. The genus commemorates Banff, Alberta, near where the first fossil specimens were discovered. Its placement in higher taxa is controversial, with it mostly being considered to be a member of the enigmatic phylum Vetulicolia.

Siphusauctum, also known as the tulip animal, is an extinct genus of filter-feeding animals that lived during the Middle Cambrian.