Heteraster texanus Echinoid a.jpg
Heteraster texanus Echinoid
SITE LOCATION: Commanche Park Formation, Mills County, Texas, USA
TIME PERIOD: Lower Cretaceous (100-145 million years ago)
Data: Heteraster is an extinct genus of sea urchins belonging to the family Toxasteridae. These slow-moving shallow infaunal deposit feeder-detritivores lived during the Cretaceous period. Fossils of this family have been found in the sediments of Algeria, Egypt, France, Hungary, Mexico, Peru, Portugal, Serbia and Montenegro, Spain, Switzerland and Yemen.
Kingdom: Animalia
Phylum: Echinodermata
Class: Echinoidea
Order: Spatangoida
Family: †Toxasteridae
Genus: †Heteraster
Species: †texanus
Photo Information
- Taken with Canon Canon PowerShot SX120 IS
- Focal Length 7.3 mm
- Exposure Time 1/60
- f Aperture f/3.2
- ISO Speed 80
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