John GG Morton Posted September 22, 2019 Share Posted September 22, 2019 (edited) Anybody have any idea on the indentification and age for this bivalve? Purchased online ex china (was advertised as from the "Devonian of Yunnan", but is clearly from younger deposits of Morocco). I have found conflicting ages on the net: either Cretaceous or Eocene. Some say from the Dakhla region others from the Essouria region. Edited September 22, 2019 by John GG Morton spelling and further info 1 Link to comment Share on other sites More sharing options...
hemipristis Posted September 22, 2019 Share Posted September 22, 2019 has an Astarte sp. look to it, but Astarte is a young genus, I believe. Genus Neocrassina? 'Those who cannot remember the past are condemned to repeat it.' George Santayana Link to comment Share on other sites More sharing options...
John GG Morton Posted September 22, 2019 Author Share Posted September 22, 2019 Thanks - yes I think it is in the Astarte family. Another genus suggested by someone online was "Laevastarte" - not familiar with this genus. Knowing the age (eocene vs cretaceous) would help narrow it down... Link to comment Share on other sites More sharing options...
El_Hueso Posted September 23, 2019 Share Posted September 23, 2019 This is a stunningly well preserved specimen. Absolutely gorgeous Link to comment Share on other sites More sharing options...
Shamalama Posted September 23, 2019 Share Posted September 23, 2019 I have one of these fossils as well and Laevastarte was as close as I could get: http://viewsofthemahantango.blogspot.com/2016/08/an-agatized-pelecypod-from-genus.html I believe it is Eocene in age. 2 -Dave __________________________________________________ Geologists on the whole are inconsistent drivers. When a roadcut presents itself, they tend to lurch and weave. To them, the roadcut is a portal, a fragment of a regional story, a proscenium arch that leads their imaginations into the earth and through the surrounding terrain. - John McPheeIf I'm going to drive safely, I can't do geology. - John McPheeCheck out my Blog for more fossils I've found: http://viewsofthemahantango.blogspot.com/ Link to comment Share on other sites More sharing options...
John GG Morton Posted September 24, 2019 Author Share Posted September 24, 2019 Thanks Shamalama, I found this reference too. I was just hoping someone could verify the age and ID. Other references suggest a cretaceous age, so not sure who to believe! Link to comment Share on other sites More sharing options...
hemipristis Posted September 24, 2019 Share Posted September 24, 2019 13 hours ago, Shamalama said: I have one of these fossils as well and Laevastarte was as close as I could get: http://viewsofthemahantango.blogspot.com/2016/08/an-agatized-pelecypod-from-genus.html I believe it is Eocene in age. wow. it's a twin! 'Those who cannot remember the past are condemned to repeat it.' George Santayana Link to comment Share on other sites More sharing options...
daves64 Posted September 24, 2019 Share Posted September 24, 2019 I have several as well. Some are broken with crystalline growths layering the inside. Laevastarte sp. Eocene, Dakhla, Western Sahara, Morocco. http://www.thefossilforum.com/index.php?/topic/93515-semi-transparent-shells/&tab=comments#comment-1030430 Accomplishing the impossible means only that the boss will add it to your regular duties. Link to comment Share on other sites More sharing options...
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