Article: The Lower Liassic ammonites Neomicroceras gen. nov. and Paracymbites
D. T. Donovan
Neomicroceras commune gen. et sp. nov., family Eoderoceratidae, is described and figured from the Raricostatum Zone of the British Lower Lias. The genus Paracymbites Trueman and Williams 1927, from the same zone, is revised from the original types and other material, and placed in the family Oxynoticeratidae.