†subfamily Plesiocyprellinae Simóes et al. 1997 (clam)
Bivalvia - Pholadomyida - Megadesmidae
Full reference: M. G. Simóes, A. C. Marques, L. H. Cruz Mello and L. E. Anneli. 1997. Phylogenetic analysis of the genera of the extinct family Megadesmidae (Bivalvia, Anomalodesmata), with remarks on its paleoecology and taxonomy. Journal of Comparative Biology 2(2):75-90
Parent taxon: Megadesmidae according to L. E. Anelli et al. 2010
Sister taxa: Astartila, Astartilinae, Carnauba, Crassiconcha, Ferrazia, Huabiella, Jacquesia, Megadesminae, Megadesmus, Plesiocyprinellinae, Pleurikodonta, Pyramus, Romaniamya, Unklesbayella
Subtaxa: none
Ecology: facultatively mobile infaunal suspension feeder
Distribution:
• Permian of Brazil (3 collections)
Total: 3 collections each including a single occurrence