Uniform grey-brown coloration; short, blunt snout; high sail-like dorsal fins with spines and broad apices, first dorsal spine inclined backward; high, thick triangular body with large, rough denticles; circular spiracles; lanceolate upper teeth, lower blade-like teeth in less than 12 rows (Ref. 247).
- Cox, G. and M. Francis 1997 Sharks and rays of New Zealand. Canterbury Univ. Press, Univ. of Canterbury. 68 p. (Ref. 26346) http://www.fishbase.org/references/FBRefSummary.php?id=26346&speccode=2535
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