Rhynchonellata - Spiriferida - Trigonotretidae
Alternative spelling: Quadrospira
Full reference: N. W. Archbold. 1997. Studies on Western Australian Permian brachiopods 14. The fauna of the Artinskian High Cliff Sandstone, Perth Basin. Proceedings of the Royal Society of Victoria 109(2):199-231
Parent taxon: Neospirifer according to H. P. Xu et al. 2018
See also Archbold 1997, Waterhouse 2004 and Williams et al. 2007
Sister taxa: Neospirifer (Neospirifer), Neospirifer amphigyus, Neospirifer amplus, Neospirifer apothescelus, Neospirifer bakeri, Neospirifer borealis, Neospirifer cameratiformis, Neospirifer cameratus, Neospirifer campbelli, Neospirifer chivatschensis, Neospirifer crassiconchialis, Neospirifer dunbari, Neospirifer fasciger, Neospirifer foordi, Neospirifer formulosus, Neospirifer goreii, Neospirifer gortani, Neospirifer grandis, Neospirifer gruenewaldtianus, Neospirifer huecoensis, Neospirifer incipiens, Neospirifer invisus, Neospirifer kalashnikovi, Neospirifer kansasensis, Neospirifer koewbaidhoni, Neospirifer lanceolatus, Neospirifer latus, Neospirifer licharewi, Neospirifer mansuetus, Neospirifer mengjiushanensis, Neospirifer neali, Neospirifer neocameratus, Neospirifer neostriatus, Neospirifer notialis, Neospirifer omolonensis, Neospirifer orientalis, Neospirifer paranitiensis, Neospirifer parenensis, Neospirifer permicus, Neospirifer placidus, Neospirifer plana, Neospirifer poletaevi, Neospirifer praenuntius, Neospirifer pristinus, Neospirifer pseudonitiensis, Neospirifer rhomboidalis, Neospirifer rhomboides, Neospirifer shenshuensis, Neospirifer snjatkovi, Neospirifer sodalis, Neospirifer sterlitamakensis, Neospirifer subfasciger, Neospirifer tajmyrica, Neospirifer tegulatus, Neospirifer tricostatus, Neospirifer trimuensis, Neospirifer undatus, Neospirifer venezuelensis, Neospirifer wynneiformis, Spirifer (Neospirifer) bakeri, Spirifer (Neospirifer) huecoensis, Wadispirifer hongdeensis, Wadispirifer ravana, Wadispirifer grandis
Subtaxa: Neospirifer (Quadrospira) tibetensis Quadrospira crassicostatus Quadrospira hardmani Quadrospira plicatus Quadrospira postplicatus Quadrospira preplicatus Quadrospira woolagensis
Ecology: stationary epifaunal suspension feeder
Distribution:
• Permian of Afghanistan (4 collections), Australia (31), China (14), India (2), New Zealand (1), Thailand (1)
Total: 53 collections including 55 occurrences