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FAMILY:
ALLIGATORIDAE

A. mississippiensis
A. sinensis
C. crocodilus
C. c. apaporiensis
C. c. fuscus
C. latirostris
C. yacare
M. niger
P. palpebrosus
P. trigonatus

FAMILY:
CROCODYLIDAE

C. acutus
C. intermedius
C. johnstoni
C. mindorensis
C. moreletii
C. niloticus
C. novaeguineae
C. palustris
C. porosus
C. rhombifer
C. siamensis
M. cataphractus
O. tetraspis
T. schlegelii

FAMILY:
GAVIALIDAE

G. gangeticus

DICHOTOMOUS KEY
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Crocodylus acutus

An adult American crocodile, as seen from the front, displaying its relatively narrow and pointed snout. Crocodiles from further south in the species' distribution tends to have an even narrower snout (perhaps to enable a different prey niche to be exploited next to the broader-snouted caimans with which it shares its range). This animal was photographed in Florida, at the northernmost limit of its distribution. It is just possible to make out the bony median ridge which runs approximately halfway down the animal's upper jaw from the back of the head.

Photograph © Adam Britton

ALL IMAGES:
[click on image for enlargement]

Click Adult crocodile viewed from the front Click Post-occipital and nuchal scales Click Teeth erupting through upper jaw





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