†Fossarus (Isapsis) Adams and Adams (snail)
Gastropoda - Cerithioidea - Planaxidae
Alternative spellings: Fossarus (Isapis), Isapis
Parent taxon: Fossarus according to B. L. Clark and J. W. Durham 1946
See also Martin 1904
Sister taxa: Fossarus ambiguus, Fossarus barkeri
Subtaxa: Fossarus (Isapsis) bolivarensis
Ecology: epifaunal grazer
Distribution:
• Eocene of Colombia (2 collections)
Total: 2 collections each including a single occurrence