ammonites
Praecambridium Glaessner and Wade 1966

Full reference: M. F. Glaessner and M. Wade. 1966. The late Precambrian fossils from Ediacara, South Australia. Palaeontology 9(4):599-628

Sister taxa: none

Subtaxa: Praecambridium sigillum

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Type: Praecambridium sigillum

Ecology: stationary low-level epifaunal osmotroph