Spirolaxis Monterosato 1913 (snail)
Gastropoda - Architectonicoidea - Architectonicidae
PaleoDB taxon number: 12201
Parent taxon: Architectonicidae according to J. A. Todd 2001
Sister taxa: Acutitectonica, Architectonica, Basisulcata, Calodisculus, Dinaxis, Discotectonica, Disculus, Eosolarium, Granosolarium, Heliacinae, Mangonuia, Margaritella, Patulaxis, Philippia, Pseudomalaxis, Pseudotorinia, Psilaxis, Rinaldoconchus, Solarium, Torinia, Torinista, Wangaloa
Subtaxa: Spirolaxis (Aguayodiscus)
Ecology: epifaunal carnivore