Girish Mahajan


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Kingdom  Animalia
Order  Crocodilia
Subfamily  Crocodylinae
Higher classification  Crocodile
Phylum  Chordata
Family  Crocodylidae
Scientific name  Crocodylus
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Genus  Crocodylus Laurenti, 1768
Lifespan  Saltwater crocodile: 70 years, Nile crocodile: 70 – 100 years
Speed  Saltwater crocodile: 24 – 29 km/h
Mass  Saltwater crocodile: 400 – 1,000 kg
Length  Saltwater crocodile: 4.3 – 5.2 m, Nile crocodile: 4.2 m, American crocodile: 4.1 – 4.8 m, Mugger crocodile: 3.2 m
Lower classifications  Saltwater crocodile, Nile crocodile, American crocodile, Siamese crocodile, Mugger crocodile

Crocodylus park darwin diary mix 104 9

Crocodylus is one of three genera from the subfamily Crocodylinae of the family Crocodylidae.


The 13 living species are:

  • American crocodile, Crocodylus acutus
  • Slender-snouted crocodile, Crocodylus cataphractus - studies in DNA and morphology suggest this species may be more basal than Crocodylus and therefore belongs in its own genus, Mecistops.
  • Orinoco crocodile, Crocodylus intermedius
  • Freshwater crocodile, Crocodylus johnsoni
  • Philippine crocodile, Crocodylus mindorensis
  • Morelet's crocodile or Mexican crocodile, Crocodylus moreletii
  • Nile crocodile or African crocodile, Crocodylus niloticus (the subspecies found in Madagascar is sometimes called the black crocodile)
  • New Guinea crocodile, Crocodylus novaeguineae
  • Mugger crocodile, marsh crocodile, or Indian crocodile, Crocodylus palustris
  • Saltwater crocodile or estuarine crocodile, Crocodylus porosus
  • Cuban crocodile, Crocodylus rhombifer
  • Siamese crocodile, Crocodylus siamensis
  • West African crocodile or desert crocodile, Crocodylus suchus
  • Crocodylus raninus (Considered as a synonym of Crocodylus porosus, its status remains unclear.)

  • Established species also include six extinct species:

  • Crocodylus anthropophagus is an extinct crocodile from Plio-Pleistocene of Tanzania.
  • Crocodylus bugtiensis is an extinct crocodile from Pakistan
  • Crocodylus checchiai is an extinct crocodile from Late Miocene of Kenya.
  • Crocodylus falconensis is an extinct crocodile from Early Pliocene of Venezuela.
  • Crocodylus palaeindicus is an extinct crocodile the Miocene to the Pleistocene of southern Asia.
  • Crocodylus thorbjarnarsoni is an extinct crocodile from Plio-Pleistocene of Kenya.

  • Crocodylus Crocodiles of Africa crocodiles of the Mediterranean crocodiles of

    Australian freshwater crocodile johnston s crocodile crocodylus johnsoni australien krokodil


    Crocodylus Crocodylus rhombifer The Reptile Database

    The cladogram below follows the topology from a 2011 analysis of mitochondrial DNA sequences by Robert W. Meredith, Evon R. Hekkala, George Amato and John Gatesy.

    Crocodylus Crocodylus mindorensis The Reptile Database

    The cladogram below follows the topology from a 2012 analysis of morphological traits by Christopher A. Brochu and Glenn W. Storrs. Many extinct species of Crocodylus might represent different genera. C. suchus was not included, because its morphological codings were identical to these of C. niloticus. However, the authors suggested that it could be explained by their specimen sampling, and considered the two species to be distinct.


    Crocodylus Crocodylus siamensis Siamese crocodile

    Crocodylus species originated from an ancestor in the Indo-Pacific region between 9 million years ago and 16 million years ago. They radiated into Africa between 8 million years ago and 12 million years ago. This was followed between 4 million years ago to 8 million years ago by a trans-Atlantic migration to the Americas.

    Crocodylus FilePjara La Lajita Oasis Park Crocodylus niloticus 05 iesjpg
    Crocodylus Crocodylus Wikipedia


    Crocodylus Wikipedia

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