†family Trifissuridae Holmer et al. 2014 (lamp shell)
Chileata - Chileida - Trifissuridae
Full reference: L. E. Holmer, L. Popov, and M. G. Bassett. 2014. Ordovician–Silurian Chileida—first post-Cambrian records of an enigmatic group of Brachiopoda. Journal of Paleontology 88(3):488-496
Parent taxon: Chileida according to L. E. Holmer et al. 2014
Sister taxon: Matutelloidea
Subtaxa: Trifissura
Ecology: stationary epifaunal suspension feeder
Distribution: found only at Lower Visby Beds Brachiopods (Silurian of Sweden)