Standard Article

Crocodylia (Including Crocodiles and Alligators)

  1. Llewellyn D Densmore

Published Online: 30 MAY 2001

DOI: 10.1038/npg.els.0001544



How to Cite

Densmore, L. D. 2001. Crocodylia (Including Crocodiles and Alligators). eLS. .

Author Information

  1. Texas Tech University, Lubbock, Texas, USA

Publication History

  1. Published Online: 30 MAY 2001


The order Crocodylia contains the sole reptilian survivors of the Archosauria, which also included the dinosaurs. Understanding the biology, natural history and evolution of the living crocodylians is critical to appreciate fully their place in nature.


  • alligator;
  • caiman;
  • crocodile;
  • gharial;
  • evolution