Photo Agency - Astronomy - Space - Nature

> Pterygotus

Pterygotus

author: Walter B. Myers/Novapix

reference: t-glb99-00060

Image Size 300 DPI: 33 * 21 cm

Art work of a marine arthropod of the genus Pterygotus as it may have appeared 432 million years ago. This Pterygotus is about five feet long. Other fauna in this image include trilobites of the genus Phacops and sessile polyps of the order Actiniaria. Pterygotus is from the extinct order eurypterida (Sea Scorpion), and characterized by a pair of large compound eyes, as well as a pair of smaller eyes atop its head. It had 4 pairs of walking legs, a fifth pair modified into swimming paddles, and a pair of large pincers for grasping prey.

Keywords for this photo:

2014 - ANIMAL - ARTHROPOD - EARTH - FAUNA - FLORA - FOSSIL - HISTORY OF EARTH - ILLUSTRATION - OCEAN - PALEONTOLOGY - PALEOZOIC - PHACOPS - PTERYGOTUS - SEAFLOOR - SILURIAN - TRILOBITE - WATER -