†subfamily Nipponostenoporinae Xia 1987 (bryozoan)
Stenolaemata - Trepostomida - Stenoporidae
Parent taxon: Stenoporidae according to A. Ernst 1998
Sister taxa: Amphiporella, Amplexoporinae, Anisotrypa, Arcticopora, Calacanthopora, Callocladia, Chondraulus, Coeloclemis, Diaphragmopora, Diplostenopora, Dyoidophragma, Dyscritellopsis, Eostenopora, Leeporina, Metastenodiscus, Microcampylus, Nikiforopora, Parastenodiscus, Rhombotrypella, Stenocladia, Stenodiscus, Stenophragmidium, Stenoporinae, Stereotoechus, Tabulipora, Tabuliporella, Trachytoechus
Subtaxa: Nipponostenopora
Ecology: stationary epifaunal suspension feeder
Distribution:
• Permian of China (1 collection)
• Carboniferous of Kazakhstan (3), United States (1: Oklahoma)
Total: 5 collections each including a single occurrence