†family Gerkispiridae Carter 1985 (lamp shell)
Rhynchonellata - Spiriferida - Gerkispiridae
Parent taxon: Martinioidea according to A. Williams et al. 2006
Sister taxa: Crassumbidae, Elythynidae, Ingelarellidae, Martiniidae, Micromartiniidae, Perissothyrididae, Tenellodermidae
Subtaxa: Acanthospirina Gerkispira Oiosia Punctothyris Spinospirifer
Type: Gerkispira
Ecology: stationary epifaunal suspension feeder
Distribution:
• Carboniferous of United States (2: Oklahoma collections)
• Devonian of United States (5: Missouri, New Mexico)
Total: 7 collections each including a single occurrence