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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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Paleosuchus palpebrosus

Head of a small juvenile Cuvier's dwarf caiman, floating at the water's surface. This is the typical crocodilian pose in the water, although the position of the body underneath the water can vary tremendously. The head always stay motionless, unless the crocodile is swimming of course. One of the first things that a juvenile will do when entering the water is assume this position. You can see that all the major senses are deployed: ears, eyes, nostrils, and even sense organs along the jaws (which are barely visible as small, black dots).

Photograph © John White

ALL IMAGES:
[click on image for enlargement]

Click Two adult dwarf caimans holding onto a log Click Head portrait of adult dwarf caiman Click Adult caiman head from behind

Click Developing head shape Click Head of adult in water Click Head of juvenile with water reflection

Click Gaping juvenile





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