Rhynchonellata - Spiriferida - Trigonotretidae
Full reference: D. L. Stepanov. 1998. Taxonomic Names. Permian Spiriferids from the North of European Russia 1-139
Belongs to Neospirifer according to D. L. Stepanov 1998
Sister taxa: Neospirifer (Neospirifer), Neospirifer amphigyus, Neospirifer amplus, Neospirifer apothescelus, Neospirifer arthurtonensis, Neospirifer bakeri, Neospirifer cameratiformis, Neospirifer cameratus, Neospirifer campbelli, Neospirifer chivatschensis, Neospirifer concentricus, Neospirifer crassiconchialis, Neospirifer dunbari, Neospirifer fasciger, Neospirifer foordi, Neospirifer formulosus, Neospirifer goreii, Neospirifer gortani, Neospirifer grandis, Neospirifer grandis, Neospirifer groenwalli, Neospirifer huecoensis, Neospirifer incipiens, Neospirifer invisus, Neospirifer kansasensis, Neospirifer kimsari, Neospirifer koewbaidhoni, Neospirifer lanceolatus, Neospirifer latus, Neospirifer licharewi, Neospirifer mansuetus, Neospirifer mengjiushanensis, Neospirifer neali, Neospirifer neostriatus, Neospirifer notialis, Neospirifer omolonensis, Neospirifer orientalis, Neospirifer paranitiensis, Neospirifer parenensis, Neospirifer permicus, Neospirifer placidus, Neospirifer plana, Neospirifer praenuntius, Neospirifer pseudonitiensis, Neospirifer rhomboidalis, Neospirifer rhomboides, Neospirifer shenshuensis, Neospirifer snjatkovi, Neospirifer sodalis, Neospirifer sterlitamakensis, Neospirifer striatus, Neospirifer subfasciger, Neospirifer subovalis, Neospirifer sulcoprofundus, Neospirifer tajmyrica, Neospirifer tegulatus, Neospirifer texanus, Neospirifer tricostatus, Neospirifer trimuensis, Neospirifer triplicatus, Neospirifer undatus, Neospirifer vagaensis, Neospirifer venezuelensis, Neospirifer wynneiformis, Wadispirifer ravana, Wadispirifer hongdeensis
Type specimen: PIN 4605/98. Its type locality is Podcherem River, Lower Permian, which is in a Cisuralian marine horizon in the Russian Federation.
Ecology: stationary epifaunal suspension feeder
Average measurements (in mm): valve 34.3 x 59.3