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Crocodiles
Crocodylus - Laurenti, 1768

Pronunciation: crock-oh-DILL-uss
Etymology: 'crocodile'.

Taxonomic notes:

Notes:
Statistics: Reproductive modes:
Oviparous - 2 out of 2 Australian species

Size range:
Smallest Australian species: freshwater crocodile (Crocodylus johnstoni) at 300 cm
 Longest Australian species: saltwater crocodile (Crocodylus porosus) at up to 700 cm
Number of Australian species: 2
 

freshwater crocodile (Crocodylus johnstoni)
Cape York Peninsula, Queensland
Photo © Stewart Macdonald
freshwater crocodile (Crocodylus johnstoni) distribution range map Crocodylus johnstoni
Freshwater crocodile
Year described
Krefft 1873
Description
Grey/olive-brown above, with irregular darker spots. White/cream below. The snout is smooth, long and slender. One row of nuchal shields, separated anteriorly from the smooth-skinned parietal region by fewer than eight granular scales.

saltwater crocodile (Crocodylus porosus)
Cooper Creek, Queensland
Photo © Stewart Macdonald
saltwater crocodile (Crocodylus porosus) distribution range map Crocodylus porosus
Saltwater crocodile
Year described
Schneider 1801
Description
Grey/brown above with irregular darker spots. White/cream below. Relatively broad snout. Two rows of nuchal shields, separated anteriorly from the smooth-skinned parietal region by more than eight granular scales.

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