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
O. tetraspis
T. schlegelii

FAMILY:
GAVIALIDAE

G. gangeticus

DICHOTOMOUS KEY
[German]

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Another view illustrating the heavy dorsal armour in the dwarf crocodile. This is a good photograph to compare to the head drawing of this species, which shows the arrangement of nuchal scales on the back of the neck. These enlarged scales are extremely useful in species identification.

Photograph courtesy of Steve Grenard

ALL IMAGES:
[click on image for enlargement]

	Adult O. t. tetraspis		Head of adult crocodile		Dorsal view of O. t. tetraspis
	Adult O. t. tetraspis		Juvenile O. tetraspis being held		Adult head in water