Australian Museum Journal Pleistocene ziphodont crocodilians of Queensland

Shortform:
Molnar, 1982, Rec. Aust. Mus. 33(19): 803–834
Author(s):
Molnar, R. E.
Year published:
1982
Title:
Pleistocene ziphodont crocodilians of Queensland
Serial title:
Records of the Australian Museum
Volume:
33
Issue:
19
Start page:
803
End page:
834
DOI:
10.3853/j.0067-1975.33.1981.198
Language:
English
Date published:
31 January 1982
Cover date:
31 October 1981
ISSN:
0067-1975
CODEN:
RAUMAJ
Publisher:
The Australian Museum
Place published:
Sydney, Australia
Subjects:
REPTILIA; PLEISTOCENE; FOSSIL
Digitized:
14 January 2009
Available online:
09 March 2009
Reference number:
198
EndNote package:
EndNote file
Title page:
Title page (117kb PDF)
Complete work:
Complete work (5175kb PDF)

Abstract

The rostral portion of a crocodilian skull, from the Pleistocene cave deposits of Tea Tree Cave, near Chillagoe, north Queensland, is described as the type of the new genus and species, Quinkana fortirostrum. The form of the alveoli suggests that a ziphodont dentition was present. A second specimen, referred to Quinkana sp. from the Pleistocene cave deposits of Texas Caves, south Queensland, confirms the presence of ziphodont teeth. Isolated ziphodont teeth have also been found in eastern Queensland from central Cape York Peninsula in the north to Toowoomba in the south. Quinkana fortirostrum is a eusuchian, probably related to Pristichampsus. The environments of deposition of the beds yielding ziphodont crocodilians do not provide any evidence for (or against) a fully terrestrial habitat for these creatures. The somewhat problematic Chinese Hsisosuchus chungkingensis shows three apomorphic sebecosuchian character states, and is thus considered a sebecosuchian.

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