Project 4746: M. M. Yacobucci. 1999. Plasticity of Developmental Timing as the Underlying Cause of High Speciation Rates in Ammonoids. An example from the Cenomanian Western Interior Seaway of North America. Advancing Research on Living and Fossil Cephalopods. null:59-76.
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This project has 11 media. Displaying 11 media.
M890303
† Forbesiceras
whole shell
M890304
† Neophlycticeras
whole shell
M890305
† Stoliczkaia
whole shell
M890306
† Acanthoceras
whole shell
M890307
† Acompsoceras
whole shell
M890308
† Calycoceras
whole shell
M890309
† Dunveganoceras
whole shell
M890310
† Mammites
whole shell
M890311
† Metoicoceras
whole shell
M890312
† Plesiacanthoceras
whole shell
M890313
† Spathites
whole shell