172 GUIDE TO THE FOSSIL INVEKTEBEATE ANIMALS. 



9 



Fig. 96. — Uncoiled and Asymmetric Cretaceous Ammonoidea.f " a, Crioceras Enierici, 

 Neocomian. &, Heteroccras Emericianum, Neocomian. c, Turrilites catenatus, 

 Albian. d, Macroscaphites Ivanii, Neocomian. e, Hamites elegans, Albian. 

 /, Scaphites Hugardianus, Albian. g, Bamlites anceps, Danian. All less than 

 natural size. 



