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Reef column - Rudist
Reef column - Rudist
Rudists were clams that formed reefs in the wave-beaten, shallow areas of the Cretaceous tropical seas, some 70 million years ago. Each had a massive, cone-shaped valve (shell), by which they were fixed to the ground, while the other valve functioned as a lid. Possibly they lived in a symbiotic relationship with unicellular algae, so that they were able to use sun-light as their source of energy. …
Creator
- Europeana
Subject
- Reef, types of reefs, development of reefs, coral, sponge, mussels, brachiopods, see urchins, stromatolite
Creator
- Europeana
Subject
- Reef, types of reefs, development of reefs, coral, sponge, mussels, brachiopods, see urchins, stromatolite
Providing institution
Aggregator
Rights statement for the media in this item (unless otherwise specified)
- http://creativecommons.org/licenses/by-nc-nd/3.0/
- http://creativecommons.org/licenses/by-nc-nd/3.0/
Rights
- Jura-Museum Eichstätt
- PRIVATE
Creation date
- 2013-06
Temporal
- Upper Cretaceous
Places
Extent
- 600 x 400 pixels
- 72.0 ppi
Format
- image/jpeg
Providing country
- Europe