A species of Pirania, a primitive sponge that populated ?
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
Picture No
11106048
Media ID
48413341
Size
4920px x 3690px
(4.6MB)
Credit
© Stocktrek Images / Mary Evans
Source
Walter Myers/Stocktrek Images
Date
Date unknown
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Biology Burgess Cambrian Ecosystem Morphology Paleobotany Paleozoic Porifera Shale Sponge
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