Gastropoda - Neogastropoda - Buccinidae
Alternative spellings: Aulacofusus, Colus (Aulocofusus)
Parent taxon: Colus according to R. B. Stewart 1927
See also Oleinik and Marincovich 2003, Sepkoski 2002 and Titova 1994
Sister taxa: Colus altus, Colus arctatus, Colus gracilis, Colus hollboelli, Colus islandicus, Colus precursor, Colus pygmaeus, Colus rearensis, Colus sekiuensis, Colus stimpsoni, Neptunea (Colus) aphela, Neptunea (Colus) arctica, Neptunea (Colus) eurekaensis, Neptunea (Colus) griseus, Neptunea (Colus) halibrectus, Neptunea (Colus) jordani, Neptunea (Colus) merriami, Neptunea (Colus) purisimaensis, Tritonofusus (Plicifusus), Tritonofusus fortunasensis
Subtaxa: Colus (Aulacofusus) asagaensis Colus (Aulacofusus) spitzbergensis Colus (Aulocofusus) recurvus
Ecology: epifaunal carnivore
Distribution:
• Quaternary of United States (1: Alaska collection)
• Pliocene of Japan (1)
• Miocene of Japan (1)
• Eocene of the Russian Federation (1)
Total: 4 collections each including a single occurrence