Try:
John Fong Leather Co
1610 Hyde ST
San Francisco, CA 94109
415-441-3519 12-4:00PM PST
This guy wrote a few articles in the Leathercrafters & Saddlemakers Journal a while back and seems to know all the ins and outs re: the laws, etc. His add shows several kinds of lizaed, shark, stingray, elephnat, etc.
He mainly supplies the shoe industry but may be able to help.
Chuck