Rhynchonellata - Orthida - Productorthidae
Full reference: A. Williams, S. J. Carlson, C. H. C. Brunton, L. E. Holmer, L. E. Popov, M. Mergl, J. R. Laurie, M. G. Bassett, L. R. M. Cocks, J.-Y. Rong, S. S. Lazarev, R. E. Grant, P. R. Racheboeuf, Y.-G. Jin, B. R. Wardlaw, D. A. T. Harper, and A. D. Wright and M. 2000. Part H Brachiopoda (revised): Volumes 2 & 3, Linguliformea, Craniiformea, Rhynchonelliformea (part). Treatise on Invertebrate Paleontology 1-919
Parent taxon: Productorthidae according to A. Williams et al. 2000
Sister taxon: Productorthinae
Subtaxa: Glossorthis Nicolorthis Prantlina
Type: Glossorthis
Ecology: stationary epifaunal suspension feeder
Distribution:
• Uhaku of Estonia (1 collection), Latvia (1)
• Dobrotivian of France (2)
• Vaana of Estonia (1)
• Billingen of Estonia (1)
• Klabava of Czechia (2)
• Ordovician of Estonia (14), France (2), Lithuania (1), the Russian Federation (11), the United Kingdom (2)
Total: 38 collections each including a single occurrence