Stethacanthus Skeleton
Sept. 6, 2024
Stethacanthus Shark The Evolution of Life on Earth on Tumblr: The chest spike, Stethacanthus (1889) Phylum : Chordata Class : Chondrichthyes Subclass : Elasmobranchii Order : Symmoriida... I give you the prehistoric shark, Stethacanthus : r/WTF Stethacanthus Skeleton