ammonites
Basic info Taxonomic history Classification Relationships
Morphology Ecology and taphonomy Map Age range and collections

Semionotiformes

Synonymy list
YearName and author
1958Semionotiformes Arambourg and Bertin p. 2174
1981Semionotiformes Thurmond and Jones p. 82
1988Semionotiformes Case and Schwimmer p. 297
1999Semionotiformes Goodwin et al. p. 732
2002Semionotiformes Delsate et al. p. 32
2002Semionotiformes Sepkoski, Jr.
2004Semionotiformes Heckert p. 80
2007Semionotiformes López-Arbarello and Codorniú
2011Semionotiformes Long p. 242
2011Semionotiformes López-Arabello et al. p. 27
2012Semionotiformes López-Arbarello

Is something missing? Join the Paleobiology Database and enter the data