Horodyskia williamsii, Precambrian Biota Quetzalcoatlus providing further evidence that bipedalism

providing further evidence that bipedalism preceded increase in brain size in human evolution

Shipping Crate Is

Utahraptor claw

Conchoraptor was a small dinosaur

Osteoderms are also found in the skin of crocodiles

Horodyskia williamsii, Precambrian Biota Quetzalcoatlus providing further evidence that bipedalismA new species of Precambrian macrofossil, previously described informally as a string of beads, is here assigned to the genus Horodyskia Yochelson and Fedonkin, 2000, and formally named Horodyskia williamsii. It is known from Mesoproterozoic siliciclastic rocks that are older than 1070 MYA and younger than 1465 MYA; Horodyskia was first found in the Ashburton region of Western Australia. The fossils are most commonly found as impressions on the sole