I can confirm this... got it off of a Tigasaurous...
Oddly enough, its the first item other than 'raptor meat' I've ever gotten off of one, hides only seem to drop on regular Tigeraptors.
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Kyrros <Knights Of Insomnia> - Bristlebane Guild Leader and Guild Historian Human Veteran Ranger and Warder of Tunare for 708085 90 seasons Knights of Insomnia Homepage - Hosted by Guildportal.com http://www.guildportal.com/Guild.aspx?GuildID=2542&TabID=16569