Micraster
Sign in to saveMicraster is an extinct genus of echinoids from the Late Cretaceous to the early Eocene. Its remains have been found in Africa, Antarctica, Europe, and North America. Micraster was an infaunal echinoid living in a burrow below the sediment surface. The test is clearly bilateral and there is a deep anterior groove to take in water containing organic particles to the mouth. The tube feet keep a supply of nutrient-laden water moving into the burrow. The anus has a waste tube behind it.
Wikidata facts
- Parent taxon
- Micrasteridae
- Image
- Micraster.jpg
Show 5 more facts
- taxon name
- Micraster
- taxon rank
- genus
- Commons category
- Micraster
- start time
- 94300000-0
- end time
- 55800000-0
Sources (1)
via Wikidata · CC0