Of the gavialidés was created by the doctor-soldier Andrew Adams (1827-1882), British zoologist. This family comprises one, with only one current: Gavialis gangeticus , the Gavial of Gange. Formerly classified in the same kind, the False-gavial (or Gavial de Schlegel) is included today in the Crocodylidae under the name of Tomistoma schlegelii . Doubts persist as for its systematic position ( cf § Systématique).
Gavialidés to the Clade Gavialoidea, formerly flourishing belong. This group is most basal in the crocodiliens: it is the Groupe brother of all the others crocodiliens (alligatoroïdés and crocodiloïdés, i.e. Alligator S and Crocodiles in the broad sense).
The last analyzes of the relations linking the crocodiliens (modern crocodiles) are contradictory as for the systematic position of Tomistoma .
The use of morphological natures indicates that Tomistoma belongs to the Crocodylidae, with the others tomistominés:
The molecular data show that Tomistoma schlegelii and Gavialis gangeticus is groups brothers, i.e. the False-gavial one is gavialidé:
Phylogenetic relations according to Brochu (2001).
Brochu, C. (2001). Progress and future directions in archosaur phylogenetics. Newspaper off Paleontology 75 (6): 1185-1201.
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