Class Lingulata Gorjansky and Popov 1985 (lamp shell)
Parent taxon: Linguliformea according to C. B. Skovsted et al. 2017
See also Carlson 2001, Emig et al. 2013, Emig and Herrera 2006, Hansen and Holmer 2011, Holmer 1993, Holmer and Bengtson 2009, Kiessling 2003, Peng and Shi 2008, Pérez et al. 2023, Popov 2000, Sepkoski 2002 and Williams et al. 2000
Sister taxa: Micrina, Paterinata, Tegulella
Subtaxa: Acrotretida Discinida Lingulida Siphonotretida Trimerellida
Ecology: stationary low-level epifaunal suspension feeder