Species: egregia NOVITSKAYA & KARATAJUTE-TAILMAA, 1995
Etymology: Latin, egregius, “outstanding, excellent”.
Holotype: LiTNIGRI (IGL) No. 20-034
Locality: Northern Saremby No. 20 borehole, depth interval 2941.8-2949.8 m, basin of Pechora and Usa Rivers, European Russia.
Horizon: Toravey Formation, Sotchem-Kyt Horizon.
Biostratigraphy:
Age: Lochkovian Stage, Lower Early Devonian Epoch, Early Devonian.
Material: Almost complete rostrodorsal palte, left posterolateral part missing.