Bivalvia - Trigoniida - Trigoniidae
Synonym: Austrotrigoniinae Skwarko 1968
Parent taxon: Trigoniidae according to J. G. Carter et al. 2011
See also Bouchet et al. 2010 and Leanza and CasadÃo 1991
Sister taxa: Actinotrigonia, Asiatotrigonia, Buchotrigonia, Climacotrigonia, Eotrigonia, Geratrigonia, Heterotrigonia, Ibotrigonia, Korobkovitrigonia, Kyushutrigonia, Latitrigonia, Linotrigonia, Liotrigonia, Luxitrigonia, Lyroschizodus, Maputrigonia, Megatrigonia, Mesotrigonia, Microtrigonia, Minetrigonia, Minetrigoniinae, Myophorigonia, Neotrigonia, Neuquenitrigoniinae, Nipponitrigonia, Nototrigonia, Opisthotrigonia, Pacitrigonia, Pleurotrigoniinae, Prorotrigonia, Psilotrigoniinae, Quadratotrigonia, Quoiecchia, Rutitrigonia, Sichuantrigonia, Sphenotrigonia, Trigoniinae, Turbitrigonia, Lyrodon
Subtaxa: Austrotrigonia
Ecology: facultatively mobile infaunal suspension feeder
Distribution:
• Cretaceous of Argentina (8 collections)
Total: 8 collections including 9 occurrences