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Gavialis

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The genus Gavialis was reevaluated in 2018 based on specimens in the Natural History Museum, London that were collected in the Sivalik Hills. The author concluded that G. gangeticus and G. bengawanicus are the only two species in the genus Gavialis, with G. hysudricus as a junior synonym of G. gangeticus. Rhamphosuchus is proposed to include G. leptodus, G. pachyrhynchus, G. curvirostris and G. breviceps. The species G. browni and G. lewisi require further revisions. G. dixoni has been assigned its own genus, Dollosuchus.

The below cladogram of the major extant crocodile groups is based on the latest molecular studies, and shows the gharial's close relationship to the false gharial, and how the gavialids and crocodiles are more closely related than the alligatoroids:

Here is a more detailed cladogram that shows Gavialis's proposed placement within Gavialidae, including extinct members:

More in Animals

Monotypic taxonTaxonomic group with only one subordinate taxonSpecies descriptionFormal description of a discovered speciesParaphylyType of taxonomic groupIUCN Red ListInventory of the global conservation status of biological speciesSubtropicsGeographic and climate zoneCommon nameName generally used for a taxon, group of taxa or organism(s)