†family Angusticardiniidae Schuchert and Cooper 1931 (lamp shell)
Rhynchonellata - Orthida - Angusticardiniidae
Parent taxon: Dalmanelloidea according to A. Williams et al. 2000
Sister taxa: Dalmanellidae, Dicoelosiidae, Harknessellidae, Heterorthidae, Hypsomoniidae, Kayserellidae, Mystrophoridae, Paurorthidae, Platyorthidae, Portranellidae, Proschizophoriidae, Rhipidomellidae, Tyronellidae
Subtaxa: Angusticardinia Apatorthis
Type: Angusticardinia
Ecology: stationary epifaunal suspension feeder
Distribution:
• Volkhov of Estonia (1 collection)
• Ordovician of Estonia (15), Morocco (1), the Russian Federation (6)
• Tremadoc of the Czech Republic (1)
Total: 24 collections including 26 occurrences