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Cyclotrypa aperta

Stenolaemata - Cystoporata - Fistuliporidae

Taxonomy
Cyclotrypa aperta was named by Lisitsyn (1986). Its type specimen is PIN 4222/1 and is a 3D body fossil. Its type locality is Kozhim River, Iren' Horizon, Kozhim-Rudnik settlement, which is in a Kungurian marine horizon in the Russian Federation.

Sister species lacking formal opinion data
C. boyaca, C. carribeana, C. dickeyi, C. reticulata, C. silurica, C. stellata