†order Billingsellida Schuchert 1893 (lamp shell)
Strophomenata - Billingsellida
Full reference: C. Schuchert. 1893. A classification of the Brachiopoda. American Geologist 11:141-167
Parent taxon: Strophomenata according to M. Liljeroth et al. 2017
See also Benedetto 2003, Popov et al. 2009, Williams et al. 2000 and Zhan and Jin 2005
Sister taxa: Liosomeniidae, Orthotetida, Productida, Strophomenida
Subtaxa: Billingsellidina Clitambonitidina
Ecology: stationary epifaunal suspension feeder