Northern Sharks Posted April 6, 2008 Share Posted April 6, 2008 As of Friday's mail, I now have a very rare, complete set of the 3 giant thresher species. Shown below, L-R, in order of rarity is the ultra-rare cusped giant thresher, Trigonotodus alteri. Next is the largest, the serrated giant thresher, Trigonotodus sp.(close-ups are in my gallery) Finally, the most common yet still quite rare, Trigonotodus grandis. Some refer to the serrated type as T. grandis and the unserrated type as Alopias grandis. I'm basing my naming on info given to me from Steve Alter. There's no limit to what you can accomplish when you're supposed to be doing something else Link to comment Share on other sites More sharing options...
PaleoRon Posted April 6, 2008 Share Posted April 6, 2008 Looks like you have a nice set of teeth there. It's hard to get serrated Triginotodus. I haven't found a T. alteri yet but I have specimens of the other two species. Here are a couple of pics out of my archive of one I found last year. I still haven't gotten around to cleaning it up. The slant length on the tooth is 2 1/8". Link to comment Share on other sites More sharing options...
Harry Pristis Posted April 6, 2008 Share Posted April 6, 2008 As of Friday's mail, I now have a very rare, complete set of the 3 giant thresher species. Shown below, L-R, in order of rarity is the ultra-rare cusped giant thresher, Trigonotodus alteri. Next is the largest, the serrated giant thresher, Trigonotodus sp.(close-ups are in my gallery) Finally, the most common yet still quite rare, Trigonotodus grandis. Some refer to the serrated type as T. grandis and the unserrated type as Alopias grandis. I'm basing my naming on info given to me from Steve Alter. Congratulations, NS! I understand the satisfaction of putting together a set. Ultra-rare! I like the sound of that! Here's the image from my album of my only thresher shark tooth. We had an illuminating conversation about thresher sharks, as I recall. http://pristis.wix.com/the-demijohn-page What seest thou else In the dark backward and abysm of time? ---Shakespeare, The Tempest Link to comment Share on other sites More sharing options...
Guest Nicholas Posted April 6, 2008 Share Posted April 6, 2008 Very attractive teeth. It is a great looking set. Link to comment Share on other sites More sharing options...
Gatorman Posted April 6, 2008 Share Posted April 6, 2008 ooo me want Link to comment Share on other sites More sharing options...
Northern Sharks Posted April 6, 2008 Author Share Posted April 6, 2008 Very nice serrations on yours Ron. Best I've seen, and at over 2",WOW. Yes Harry, we talked before about these teeth (and Parotodus, and Serratolamna, and Palaeocarcharodon, and.....) Those were the days, eh! I miss those chats. There's no limit to what you can accomplish when you're supposed to be doing something else Link to comment Share on other sites More sharing options...
alopias Posted April 7, 2008 Share Posted April 7, 2008 AWESOME Link to comment Share on other sites More sharing options...
worthy 55 Posted April 7, 2008 Share Posted April 7, 2008 Great teeth! I have yet to find one of those but I know I will some day. It's my bone!!! Link to comment Share on other sites More sharing options...
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