Dear experts,   this is my second aquisition: According to the seller it is a "Staurikosaurus" from the Bull Canyon Fm. in New Mexico (no information on the county provided). The length is 1 cm and the width is about 3 mm. I tried to count the denticles but unfortunately my camera is not made for close-ups. The count might be around 7-8 per mm.   In contrast to my last post where there was a wrong formation provided by the seller I was able to verify, that the