†family Pseudarcidae Scarlato and Starobogatov 1979 (clam)
Bivalvia - Unioni - Pseudarcidae
Parent taxon: Lyrodesmatoidea according to J. G. Carter et al. 2011
See also Bouchet et al. 2010
Sister taxon: Lyrodesmatidae
Subtaxa: Pseudarca
Ecology: facultatively mobile infaunal suspension feeder
Distribution:
• Dobrotivian of France (1 collection)
• Ordovician of the Czech Republic (9), France (1), the United Kingdom (1)
Total: 12 collections each including a single occurrence