Mochaccino Posted December 11, 2021 Share Posted December 11, 2021 (edited) Hello, Anyone know what species this is (and if it's legit)? The seller simply calls it a heteromorph from Germany, late Cretaceous ~ 60mya and measures about 10.8 cm long. Edited December 11, 2021 by Mochaccino Link to comment Share on other sites More sharing options...
abyssunder Posted December 11, 2021 Share Posted December 11, 2021 It looks close to a Perisphinctidae ammonite, which is Jurassic. I don't think it's a heteromorph ammo. 2 2 " We are not separate and independent entities, but like links in a chain, and we could not by any means be what we are without those who went before us and showed us the way. " Thomas Mann My Library Link to comment Share on other sites More sharing options...
abyssunder Posted December 11, 2021 Share Posted December 11, 2021 Please wait Roger's opinion, he's an expert in ammo and he's from Germany. " We are not separate and independent entities, but like links in a chain, and we could not by any means be what we are without those who went before us and showed us the way. " Thomas Mann My Library Link to comment Share on other sites More sharing options...
Ludwigia Posted December 11, 2021 Share Posted December 11, 2021 Aegocrioceras capricornu is a species from the early Cretaceous in Resse which looks somewhat similar, but the ribbing is completely different. This appears to me, as abyssunder mentions, to be a deformed Perisphinctid. The fact that the inner whorls are missing is another reason for suspicion. I would pass on this one. 3 1 Greetings from the Lake of Constance. Roger http://www.steinkern.de/ Link to comment Share on other sites More sharing options...
caterpillar Posted December 11, 2021 Share Posted December 11, 2021 No heteromorph and no late cretaceous for me 1 http://www.paleotheque.fr Link to comment Share on other sites More sharing options...
Mochaccino Posted December 12, 2021 Author Share Posted December 12, 2021 Thanks everyone for the help! Looks like I'll be passing on this one. Link to comment Share on other sites More sharing options...
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