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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 palustris

Mugger's possess four relatively large post-occipital scales immediately behind the head. The nuchal scales further down the neck are characterised by four large scales in a square, flanked by two lateral scutes (one on each side). There are four longitudinal rows of dorsal scutes running down the back (not visible here), although populations in Sri Lanka have six such rows, and it has therefore been suggested this might be a subspecies (C. palustris kimbula). However, there is considerable variation in nuchal scale patterns in other species, and therefore using this characteristic to separate subspecies seems unwise.

Photograph © Adam Britton

ALL IMAGES:
[click on image for enlargement]

Click Head-on picture of adult Mugger Click Side view of adult Mugger head Click Overhead picture of head and neck





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