Gastropoda - Sorbeoconcha - Aporrhaidae
Alternative spelling: Pterocera (Dicroloma)
Synonyms: Alaria Morris and Lycett 1851, Pterocera (Alaria) Morris and Lycett 1851
Parent taxon: Aporrhainae according to H. A. Kollmann 2009
See also Bengtson 1983, Etter 1990, Gründel et al. 2009, Kaim 2004, Kollmann 2001, Packard 1922 and Sepkoski 2002
Sister taxa: Aporrhais, Biculteriala, Diempterus, Monocuphus, Tessarolax, Trilemna
Subtaxa: Alaria fairbanksi Alaria granulosa Alaria jacobi Alaria tumida Dicroloma armata Dicroloma cochleata Dicroloma dumortieri Dicroloma eudesii Dicroloma nudispira Dicroloma zelandica Pterocera (Alaria) rochatiana
Ecology: slow-moving semi-infaunal detritivore
Distribution:
• Eocene of Egypt (1 collection), New Zealand (1)
• Paleocene of Egypt (1)
• Cretaceous of Brazil (3), France (6), Madagascar (2), Switzerland (1)
• Jurassic of Argentina (1), Egypt (3), Ethiopia (2), France (8), Germany (2), India (7), Madagascar (2), Poland (3), Portugal (7), Somalia (2), Tunisia (2), the United Kingdom (18)
Total: 72 collections including 78 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.