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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
[German]

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Paleosuchus palpebrosus

The gradual change in shape of the jaw from juvenile to adult can be seen to some extent in this photograph, with the longer and relatively more pointed skull of the larger animal on the right. This ontological change from a blunt, rounded juvenile head to a relatively much longer adult head is characteristic of all crocodilian species.

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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