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Dear Guys, Few days ago I found these three small bones in flint, they look like from sternum zone of small tetrapods. The triangle- like bone with three sharp growths looks like interclavicle (I would think it is from lizard), short bone with central hole looks like manubrium (the bone part near sternum common in amniotes) and the bone with two sharp gwoths below and blunt end in the top to me looks like frog omosternum. The fossils are found in flintstone erratics of Varena town, South Lithuania (the age is at most from Late Jurassic to Paleocene and the most common is Late Cretaceous). Here is the link to frog omosternum: http://schools-demo.clipart.com/search/close-up?oid=249075&q=sternum&s=1&a=c The link to lizard interclavicle: http://www.anoleannals.org/2015/01/15/geometric-morphometric-analysis-of-the-bsa-of-jamaican-anoles/ Second link to it: http://www.biologydiscussion.com/zoology/reptiles/reptiles-origin-history-and-classification/41033 (see fig. 8.57) https://pterosaurheresies.wordpress.com/2012/11/26/the-many-and-varied-origins-of-the-sternae-plural-of-sternum/ (see Saurosternon) And the picture of mammal? manubrium: Please help to confirm these fossils, they are important for my further research. Best Regards Domas