†Gombeoceras gongilense costatum Barber 1957 (ammonite)
Cephalopoda - Ammonitida - Pseudotissotiidae
Full reference: W. Barber. 1957. Lower Turonian ammonites from north-eastern Nigeria. Geological Survey of Nigeria Bulletin 26:1-87
Belongs to Gombeoceras gongilense according to W. Barber 1957
Sister taxa: Gombeoceras gongilense compressum, Gombeoceras gongilense crassicostatum, Gombeoceras gongilense inflatum, Gombeoceras gongilense lautum, Gombeoceras gongilense tectiforme
Type specimen: BMNH C.47576, a shell
Ecology: fast-moving nektonic carnivore
Distribution:
• Cretaceous of Nigeria (2 collections)
Total: 2 collections each including a single occurrence