Gastropoda - Heterostropha - Architectonicidae
Full reference: W. P. Woodring. 1959. Geology and paleontology of Canal Zone and adjoining parts of Panama: Description of Tertiary mollusks (gastropods: Vermetidae to Thaididae). United States Geological Survey Professional Paper 306(B):147-239
Parent taxon: Heliacus according to R. Bieler and R. E. Petit 2005
See also Woodring 1959
Sister taxa: Heliacus (Grandeliacus), Heliacus (Heliacus), Heliacus bisulcatus, Heliacus reticulatus, Heliacus variegatus
Subtaxa: Heliacus (Astronacus) anaglyptus Heliacus (Astronacus) planispira Heliacus (Astronacus) stonemanae
Type: Heliacus planispira
Ecology: epifaunal carnivore
Distribution:
• Quaternary of Ecuador (1 collection)
• Miocene of the Dominican Republic (1), Panama (4)
Total: 6 collections each including a single occurrence