Gastropoda - Architaenioglossa - Ampullinidae

Alternative combination: Ampullina (Ampullinopsis) spenceri

Synonyms: Ampullina santiagana Hodson 1927, Natica (Ampullina) collazoensis Hubbard 1920

Belongs to Ampullinopsis according to W. P. Woodring 1959

Sister taxa: Ampullinopsis birmanica, Ampullinopsis crassatina, Ampullinopsis spencer, Globularia (Ampullinopsis) altivapicana

Type specimens:

• Ampullinopsis spenceri: Its type locality is Mirador Conglomerates near Tamarindo, which is in an Oligocene marine conglomerate/sandstone in the Mancora Formation of Peru
• Ampullina santiagana:
• Natica (Ampullina) collazoensis:

Ecology: epifaunal grazer

Average measurements (in mm): length 69.1