†Sowerbyella (Sowerbyella) sericea permixta Williams 1963 (lamp shell)
Strophomenata - Strophomenida - Sowerbyellidae
Alternative combination: Sowerbyella sericea permixta
Belongs to Sowerbyella (Sowerbyella) sericea according to L. R. Cocks 2010
See also Williams 1963
Sister taxa: none
Type specimen: BB 29093, a valve (a dorsal valve internal mould)
Ecology: stationary epifaunal suspension feeder
Distribution:
• Ordovician of the United Kingdom (3 collections)
Total: 3 collections each including a single occurrence