J567 - Museum Grade Rare Jeholotriton paradoxus - Primitive Jurassic Salamander - Daohugou Beds Phalagnostus prantli 79'' Drotops armatus Middle Devonian

79'' Drotops armatus Middle Devonian Trilobite

both of the jaw and maxilla

subequal lingal and labial surfaces bearing verticals striations that are more numerous on the lingual face and developed only on the two thirds of the crown height

The details of his cephalon are astonishing

J567 - Museum Grade Rare Jeholotriton paradoxus - Primitive Jurassic Salamander - Daohugou Beds Phalagnostus prantli 79'' Drotops armatus Middle DevonianJeholotriton is a genus of primitive, neotenic (retaining larval features) salamanders from the Middle Late Jurassic (approx. 164155 Ma) of Inner Mongolia, China. Found in the Daohugou Beds, it is a key fossil for early urodele evolution, with specimens often showing well preserved, soft tissue impressions, short limbs, and 16 17 presacral vertebrae. Key Details of Jeholotriton paradoxus: Age and Location: Primarily found in the Daohugou Bed, which is