1. 1. BW Halstead, and PS Auerbach . Dangerous aquatic animals of the world: a color atlas . Princeton, NJ: The Darwin Press, 1992 : 259 .
2. 2. AA Fisher . Atlas of aquatic dermatology . New York: Grune & Stratton, Inc, 1978 : 87 -88 .
3. 4. BW Halstead . Poisonous and venomous marine animals of the world (second revised edition) . Princeton, NJ: The Darwin Press, 1988 : 989 -1028 .
4. 5. BW Halstead . Poisonous and venomous marine animals of the world (second revised edition) . Princeton, NJ: The Darwin Press, 1988 : 525 -644 .