†family Parallelelasmatidae Cooper 1956 (lamp shell)
Rhynchonellata - Pentamerida - Parallelelasmatidae
Parent taxon: Camerelloidea according to A. Williams et al. 2002
See also Rõõmusoks 1964
Sister taxa: Camerellidae, Parallelasmatidae, Parastrophinidae
Subtaxa: Didymelasma Limstrophina Metacamarella Salonia Schizostrophina Vaga
Type: Metacamarella
Ecology: stationary epifaunal suspension feeder
Distribution:
• Chazyan of United States (1: Alabama collection)
• Ordovician of Australia (6), China (3), Estonia (2), Kazakhstan (15), the Russian Federation (1), the United Kingdom (2)
Total: 30 collections including 31 occurrences