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Showing results for tags 'aioloceras'.
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From the album: Prae's Collection (REMPC)
REMPC-C0039 Aioloceras besairiei (polished) Cretaceous, Albian Boeny Region, Southwest of Mahajunga, Madagascar-
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From the album: Prae's Collection (REMPC)
REMPC-C0036 Aioloceras besairiei Cretaceous, Albian Boeny Region, Southwest of Mahajunga, Madagascar-
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Fossil ID help: Knightia, Shark tooth (hastalis or desori), Ammonite (Aioloceras?)
Praefectus posted a topic in Fossil ID
Hello. I was wondering if anyone could help me with some fossil identifications. Thanks for any help. First, here is a Green River formation fish plate. I know the fish are Knightia, but I don't know how to differentiate the species. I think they are Knightia eocaena. Can anyone confirm the species? Thanks. Next, here is a shark tooth I found while digging on the Ernst ranch in Bakersfield, California. It is either Carcharodon hastalis or Isurus desori. I'm not great at telling the two apart. Can anyone confirm the species? Thanks. Last, here is an ammonite I received from caldigger. He identified it as Aioloceras besiaiei. I think the species might have been misspelled and is supposed to be besairiei. I've seen these sometimes referred to as Cleoniceras. Does anyone know the difference between Aioloceras and Cleoniceras? Thanks.- 8 replies
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Hi there folks, me again. =) I'm having a pretty ocious day, so I'm spending my time taking a look at my unidentified pieces. I was hoping if someone can help me with these specimens. They are both from Madagascar so I'm thinking Aioloceras besairiei... Could that be right? In case I'm right, what about this color pattern? Can we figure out about the mineralization process? Finally, ammonoids from Madagascar are generally A. besairiei? Thanks in advance, Juliano
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From the album: Ammonites
Aioloceras besairiei, 2.8", Albian Stage (100 million years ago, Lower Cretaceous), from Mahajanga Province of Madagascar.© Shuo Wang
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Aioloceras besairiei, 2.8", Albian Age (100 million years ago, Early Cretaceous), from Mahajanga Province of Madagascar.
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Aioloceras besairiei, 2.8", Albian Stage (100 million years ago, Lower Cretaceous), from Mahajanga Province of Madagascar.
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