Cephalopoda - Ammonitida - Graphoceratidae
Full reference: R. Chandler and J. Callomon. 2009. The Inferior Oolite at Coombe Quarry, near Mapperton, Dorset, and a new Middle Jurassic ammonite faunal horizon, Aa-3b, Leioceras comptocostosum n.biosp. in the Scissum Zone of the Lower Aalenian. Proceedings of the Dorset Natural History and Archaeological Society 130:99-132
Belongs to Leioceras according to R. Chandler and J. Callomon 2009
Sister taxa: Leioceras capillare, Leioceras comptum, Leioceras costosum, Leioceras crassicostatum, Leioceras evertens, Leioceras goetzendorfense, Leioceras lineatum, Leioceras opalinum, Leioceras paucicostatum, Leioceras striatum, Leioceras subcostosum, Lioceras concavum
Type specimen: SM X 40269, a shell. Its type locality is Coombe Quarry, Mapperton, Bed 2c,d, which is in an Opalinum shallow subtidal conglomerate/limestone in the United Kingdom.
Ecology: fast-moving nektonic carnivore
Average measurements (in mm): shell diameter 78.3
Distribution: found only at Coombe Quarry, Mapperton, Bed 2c,d
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.