ammonites
Nochoroicyathellus activus Osadchaya et al. 1979 (sponge)

Regulares - Ajacicyathida

Full reference: D. V. Osadchaya, L. N. Kashina, I. T. Zhuravleva and N. P. Borodina. 1979. Stratigrafiya i arkheotsiaty nizhnego kembriya Altaye-Sayanskoy skladchatoy oblasti [Lower Cambrian stratigraphy and archaeocyatha of the Altay-Sayan fold belt]. Trudy Instituta Geologii i Geofiziki, Sibirskoye Otdeleniye 380:1-215

Belongs to Nochoroicyathellus according to D. V. Osadchaya et al. 1979

Sister taxa: none

Type specimen: Its type locality is Krutoy Log, Sukhie Solontsy bioherm, Batenevskiy Ridge, unit 3, which is in an Atdabanian reef, buildup or bioherm limestone in the Usa Formation of the Russian Federation

Ecology: stationary intermediate-level epifaunal suspension feeder