Gastropoda - Sorbeoconcha - Purpurinidae
Alternative spelling: Pseudalaria
Full reference: W. H. Hudleston. 1887. A monograph of the British Jurassic Gasteropoda. Part 1. The lnferior Oolite Gasteropoda. Palaeontological Society Monographs
Parent taxon: Purpurina according to W. Wenz 1938
See also Cossmann 1906 and Sepkoski 2002
Sister taxa: Purpurina (Globipurpurina), Purpurina (Purpurina), Purpurina concava, Purpurina coronata, Purpurina elaborata, Purpurina formosa, Purpurina gravinaensis, Purpurina pleurotomaria, Purpurina scalaris, Purpurina sowerbyi, Purpurina subcerithiformis, Purpurina subpleurotomaria, Purpurina vaceki
Subtaxa: Pseudalaria etheridgii
Type: Alaria etheridgii
Ecology: epifaunal grazer
Distribution: found only at Bradford Abbas, Fossil Bed (Buckman) (Jurassic of the United Kingdom)