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Cacophis krefftii GÜNTHER, 1863

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Higher TaxaElapidae, Alethinophidia, Serpentes, Squamata (snakes) 
Subspecies 
Common NamesDwarf Crowned Snake, Krefft's Dwarf Snake 
SynonymCacophis krefftii GÜNTHER 1863: 361
Cacophis fordei KREFFT 1869
Pseudelaps krefftii BOULENGER 1896
Aspidomorphus krefftii
Cacophis krefftii — COGGER 1983: 219
Cacophis krefftii — WELCH 1994: 39
Cacophis krefftii — COGGER 2000: 637
Cacophis krefftii — WILSON & SWAN 2010
Cacophis krefftii — WALLACH et al. 2014: 131 
DistributionAustralia (New South Wales, Queensland)

Type locality: North of the Clarence River, N. S. W. but original description cites "probably from Port Macquarie, N. S. W. Map legend:
TDWG region - Region according to the TDWG standard, not a precise distribution map.

NOTE: TDWG regions are generated automatically from the text in the distribution field and not in every cases it works well. We are working on it.
 
Reproductionoviparous. 
TypesHolotype: BMNH 1946.1.17.60, labelled "North of the Clarence River, N. S. W. but original description cites "probably from Port Macquarie, N. S. W.
Holotype: AM 6672, from Pine Mountain, near Ipswich, Qld. [Cacophis fordei] 
CommentSynonymy partly after COGGER 1983.

Type species: Cacophis krefftii GÜNTHER 1863 is the type species of the genus Cacophis GÜNTHER 1863.

Hutchinson (1990) considered diagnosis of the genus Cacophis problematic, and recognized it only 'tentatively' as distinct from Furina. Cacophis species are small nocturnal saurophagous (lizard-eating) snakes, all restricted to rainforest or wet

sclerophyll habitats in coastal regions of eastern Australia (Queensland and New South Wales).

A diagnosis of the genus and species can be found in Scanlon (2003).

Venomous! 
EtymologyNamed after Gerhard Krefft (1830-1881), German-born naturalist who worked mostly in Australia. 
References
  • Blackburn, D.G. 1993. STANDARDIZED CRITERIA FOR THE RECOGNITION OF REPRODUCTIVE MODES IN SQUAMATE REPTILES. Herpetologica 49 (1): 118-132 - get paper here
  • Cogger, H. G. 2014. Reptiles and Amphibians of Australia, 7th ed. CSIRO Publishing, xxx + 1033 pp.
  • Cogger,H.G. 2000. Reptiles and Amphibians of Australia, 6th ed. Ralph Curtis Publishing, Sanibel Island, 808 pp.
  • Fitzgerald M 1994. Notes on the ecology of the dwarf crowned snake (Cacophis kreffti) in northeastern NSW. Herpetofauna (Sydney) 24 (2): 11-13
  • Günther. A. 1863. Third account of new species of snakes in the collection of the British Museum. Ann. Mag. Nat. Hist. (3) 12: 348 - 365 - get paper here
  • Krefft, G. 1869. The Snakes of Australia; an Illustrated and Descriptive Catalogue of All the Known Species. Sydney, Govt. Printer xxv + 100 pp. - get paper here
  • Scanlon, John D. 2003. The Australian Elapid genus Cacophis: Morphology and phylogeny of rainforest crowned snakes. The Herpetological Journal 13(1):1-20
  • Shine, R. 1980. Comparative ecology of three Australian snake species of the genus Cacophis (Serpentes : Elapidae). Copeia 1980 (4): 831-838 - get paper here
  • Wells, R. 1980. Notes on Krefft's dwarf snake (Cacophis krefftii). Herpetofauna (Sydney) 11: 18-19
  • Wilson, S. & Swan, G. 2010. A complete guide to reptiles of Australia, 3rd ed. Chatswood: New Holland, 558 pp.
 
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