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Pirania

author: Walter B. Myers/Novapix

reference: t-glb99-00042

Image Size 300 DPI: 25 * 19 cm

A species of Pirania, a primitive sponge that populated the ocean floors about 505 million years ago. The stems were hollow with bunches of long spicules attached to them. Based upon a sketch reconstruction by J.K. Rigby from the book, The Burgess Shale by Harry B. Whittington.

Keywords for this photo:

2011 - ANIMAL - BURGESS - CAMBRIAN - EARTH - FAUNA - FLORA - FOSSIL - HISTORY OF EARTH - ILLUSTRATION - OCEAN - PALEONTOLOGY - PALEOZOIC - PIRANIA - PLANET - SEAFLOOR - WATER -