Colus gracilis da Costa 1778 (true whelk)
Gastropoda - Neogastropoda - Buccinidae
PaleoDB taxon number: 108847
Alternative combinations: Buccinum gracile, Trophon gracile
Synonym: Fusus angustius Woodward 1842 (taxon 136863)
Belongs to Colus according to M. A. Snyder 2003
Sister taxa: Colus (Aulacofusus), Colus altus, Colus hollboelli, Colus islandicus, Colus pygmaeus, Colus rearensis, Colus sekiuensis, Colus stimpsoni, Tritonofusus (Plicifusus)
Ecology: epifaunal carnivore