Godofgods Posted February 18, 2018 Share Posted February 18, 2018 Hi everyone, do you think this is a fossil? It comes from a formation rich in cephalopods of Lower Jurassic. 4 cm long Link to comment Share on other sites More sharing options...
Miocene_Mason Posted February 18, 2018 Share Posted February 18, 2018 I’m stumped. Looks like a fossil but not any cephalopods I’ve seen. I’ll see what others say “...whilst this planet has gone cycling on according to the fixed law of gravity, from so simple a beginning endless forms most beautiful and most wonderful have been and are being evolved.” ~ Charles Darwin Happy hunting, Mason Link to comment Share on other sites More sharing options...
andreas Posted February 18, 2018 Share Posted February 18, 2018 Lamellaptychus I think 5 Link to comment Share on other sites More sharing options...
Miocene_Mason Posted February 18, 2018 Share Posted February 18, 2018 3 minutes ago, andreas said: Lamellaptychus I think I didn’t know they could that long, learn something new every day. “...whilst this planet has gone cycling on according to the fixed law of gravity, from so simple a beginning endless forms most beautiful and most wonderful have been and are being evolved.” ~ Charles Darwin Happy hunting, Mason Link to comment Share on other sites More sharing options...
Tidgy's Dad Posted February 18, 2018 Share Posted February 18, 2018 Or part of a pelecypod shell. Life's Good! Tortoise Friend. Link to comment Share on other sites More sharing options...
Manticocerasman Posted February 18, 2018 Share Posted February 18, 2018 I also think this could be an Aptychus. growing old is mandatory but growing up is optional. Link to comment Share on other sites More sharing options...
Ludwigia Posted February 18, 2018 Share Posted February 18, 2018 +1 for Lemellaptychus. Greetings from the Lake of Constance. Roger http://www.steinkern.de/ Link to comment Share on other sites More sharing options...
Godofgods Posted February 18, 2018 Author Share Posted February 18, 2018 I saw some photos of Lamellaptychus on internet and I think it is Lamellaptychus. Thank you very much Link to comment Share on other sites More sharing options...
abyssunder Posted February 18, 2018 Share Posted February 18, 2018 It might be Lamellaptychus. The ribbing pattern is typical for the genus, also its occurrence is well known from the Bajocian–Valanginian of the Tethyan Realm. excerpt from P. Zell et al. 2016. Late Jurassic aptychi from the La Caja Formation of northeastern Mexico. Bol. Soc. Geol. Mex. 68(3): 515-536 1 " 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...
Godofgods Posted February 19, 2018 Author Share Posted February 19, 2018 On 18 febbraio 2018 at 9:51 PM, abyssunder said: It might be Lamellaptychus. The ribbing pattern is typical for the genus, also its occurrence is well known from the Bajocian–Valanginian of the Tethyan Realm. excerpt from P. Zell et al. 2016. Late Jurassic aptychi from the La Caja Formation of northeastern Mexico. Bol. Soc. Geol. Mex. 68(3): 515-536 Thank you Link to comment Share on other sites More sharing options...
MeargleSchmeargl Posted February 19, 2018 Share Posted February 19, 2018 On 2/18/2018 at 1:12 PM, andreas said: Lamellaptychus I think I agree they look similar. Maybe a prep job to reveal some more...? Every single fossil you see is a miracle set in stone, and should be treated as such. Link to comment Share on other sites More sharing options...
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