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I got this tooth about 600 mi down in Baja California . It was found in a water running creek. This is very heavy and very hard. It is fossilized to a rock. I believe the reason is not black like most teeth are found in Montana or Utah or Wyoming. Is this one was covered with sand and Ash. The impact zone it's not that far away everything was turned upside down when you look at the cliff sides of the river. What I mean by that closer to the ocean the fossils are underneath the gray layer fossilized and sand. And I believe that's why the colors Sandy Brown. Some people said it was a new not that old. My experience in my life this fossils approximately 60 million years old.
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Anyone able to help with ID on an interesting lepidopteran in Mexican amber from Chiapas (ca. 18-25 Ma)? Any/all thoughts much appreciated. It looked like a nymphalid (perhaps Eurema?) from merchant photos. However after getting the amber and holding it, I'm totally thrown off! There's no record of butterflies from continental Neotropical amber---and preservation is exceptional. Associated with the lep are the flowers, foliage, pollen and seeds of Hymenaea and at least 2 other legumes. Perhaps there's even an orchid hidden in there. (The max file limit's too small to include these hi-res photos...) Amber matrix: ca. 7 x 4 x 2 cm (oblong) Wingspan ca. 3.5 cm Length of wing at longest point ca. 2 cm (crude estimate) 'Unfortunately' (for ID) the amber heavily fluoresces a lovely blue/green: the foliage, pollen, flowers obscure the specimen's body on the (presumably) dorsal side. It's further complicated by refraction on what would be the ventral side. What looks like a dark antenna in the pics is actually just the a side-view of one of the flowering legume's pinnae. I wouldn't be surprised if it's a geometer moth, but what a remarkable fossil if it proves to be a skipper or true butterfly (nymphalid? lycaenid/riodinid?). Thanks all.
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