Genus: Mixopterus
…a genus of Mixopteroid eurypterids (sea scorpions) that lived during the late Silurian period. Mixopterus was characterized by its robust exoskeleton and claws which held short spines, which likely helped it hold onto ‘slippery’ prey. Like the unrelated Megalograptus Mixopterus’s telson was curved into a spine which gave it a superficial appearance to a scorpion.
Phylogeny
Animalia-Arthropoda-Merostomata-Eurypterida-Mixopteroidea-Mixopteridae-Mixopterus
Images: Nobu Tamura and Ghedoghedo
(via typhlonectes)