Leptorrhamphus

Extinct genus of reptiles

Leptorrhamphus
Temporal range: Mid-Late Miocene
~11.6–7.2 Ma
PreꞒ
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Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Clade: Archosauromorpha
Clade: Archosauriformes
Order: Crocodilia
Superfamily: Gavialoidea
Genus: Leptorrhamphus
Ambrosetti, 1890
Species
  • Leptorrhamphus entrerrianus Ambrosetti, 1890 (type)

Leptorrhamphus is an extinct monospecific genus of gavialoid crocodilian that lived during the Middle to Late Miocene in what is now Argentina. Fossils have been found in the formation then named Entrerriana Formation, in modern literature referred to as the Ituzaingó Formation.[1] The type species is L. entrerrianus, named after the formation in 1890.[2] It is now thought to be a nomen dubium.

References

  1. ^ Barrancas del Rio Parana at Fossilworks.org
  2. ^ Camp, C. L., Taylor, D. N. and Welles, S. P., eds. (1942) Bibliography of Fossil Vertebrates 1934-1938. Geological Society of America Special Papers, Number 42.
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Extinct crocodilians
Pseudosuchia
    • see Pseudosuchia
Neosuchia
    • see Neosuchia
Crocodilia
    • see below↓
Basal crocodilians
Mekosuchinae
Others
Orientalosuchina
Alligatorinae
Alligator
Caimaninae
Melanosuchus
Caiman
Deinosuchus riograndensis Purussaurus brasiliensis
Osteolaeminae
Crocodylinae
Crocodylus
Tomistominae
sensu stricto
Tomistoma
Gavialinae
sensu lato
Gavialis
Crocodylus anthropophagus Hanyusuchus sinensis
Taxon identifiers
Leptorrhamphus


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