''Gavialis bengawanicus'' is an extinct species of crocodilian that is related to the modern Indian gharial. Fossils have been found in Thailand and Indonesia. The type locality is at

Trinil Trinil is a palaeoanthropological site on the banks of the Bengawan Solo River in Ngawi Regency, East Java Province, Indonesia. It was at this site in 1891 that the Dutch anatomist Eugène Dubois discovered the first early hominin remains to be ...

. The presence of this species in Thailand may provide an explanation for the distribution of fossil gharials that appears disjunct, covering Pakistan and Java but not the connecting areas. The fossils suggest that gharials may have dispersed from Indo-Pakistan to Indonesia through Thailand without having to resort to marine routes. Below is a

cladogram A cladogram (from Greek ''clados'' "branch" and ''gramma'' "character") is a diagram used in cladistics to show relations among organisms. A cladogram is not, however, an evolutionary tree because it does not show how ancestors are related to d ...

that shows the proposed

phylogeny A phylogenetic tree (also phylogeny or evolutionary tree Felsenstein J. (2004). ''Inferring Phylogenies'' Sinauer Associates: Sunderland, MA.) is a branching diagram or a tree showing the evolutionary relationships among various biological spec ...

within

Gavialidae Gavialidae is a family (biology), family of large semiaquatic crocodilians with elongated, narrow snouts. Gavialidae consists of two extant taxon, living species, the gharial (''Gavialis gangeticus'') and the false gharial (''Tomistoma schlegelii ...

, including

extinct Extinction is the termination of a kind of organism or of a group of kinds (taxon), usually a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and ...

members, and how ''Gavialis bengawanicus'' is most closely related to the living

gharial The gharial (''Gavialis gangeticus''), also known as gavial or fish-eating crocodile, is a crocodilian in the family Gavialidae and among the longest of all living crocodilians. Mature females are long, and males . Adult males have a distinct b ...

References

Gavialidae Fossil taxa described in 1908 Pleistocene crocodylomorphs {{paleo-archosaur-stub