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I'm very confused by the Yixian formation, it seems that I can never get a straight answer as to the age of the formation. 99.99999% of sellers who sell Yixian formation fossils claim the age is early Cretaceous, but some published papers say other wise. Example: recently I purchased a Protosephurus liui which is from the Yixian. The seller claimed the age of the fish is early Cretaceous. However, a paper I read about Protosephurus liui pointed toward the fish being late Jurassic. Maybe the Yixian just crosses over both the late Jurassic and early Cretaceous....and both time periods are applicable?
Hi, Firstly, excuse me for my ignorance. Myself and a few friends went walking in the Isle of Wight last weekend and came across some interesting Fossils. The problem is that we had a 50/50 split, with one side arguing that they are indeed fossils and the others saying they looked like an exotic patio slab. Is there any chance you could clear this up for me. Thanks in advance