†Leangella (Leptestiina) derfelensis oepiki Whittington 1938 (lamp shell)
Strophomenata - Strophomenida - Leptestiidae
Alternative combinations: Leangella (Leptestiina) oepiki, Sampo oepiki, Sampo opiki
Belongs to Leangella (Leptestiina) derfelensis according to L. R. Cocks 2010
See also Cocks and Rong 1989, Whittington 1938 and Williams 1963
Sister taxa: none
Type specimen: BIRUG BU 245, a valve (ventral valve internal mould)
Ecology: stationary epifaunal suspension feeder
Distribution:
• Ordovician of Norway (1 collection), the United Kingdom (1)
Total: 2 collections each including a single occurrence