†Spirelytha Fredericks 1924 (lamp shell)
Rhynchonellata - Spiriferida - Elythidae
PaleoDB taxon number: 29637
Parent taxon: Toryniferinae according to A. Williams et al. 2006
Sister taxa: Plicotorynifer, Stepanoviina, Taimyrella, Torynifer, Toryniferella
Subtaxa: Spirelytha borealis, Spirelytha buravasi, Spirelytha fredericksi, Spirelytha grandis, Spirelytha kashirtsevi, Spirelytha kislakovi, Spirelytha magna, Spirelytha miloradovichi, Spirelytha pavlovae, Spirelytha petaliformis, Spirelytha sheii, Spirelytha stepanoviana
Ecology: stationary epifaunal suspension feeder