Discoaster
Discoaster is a genus of extinct star-shaped marine algae, with calcareous exoskeletons of between 5-40 μm across that are abundant as nanofossils in tropical deep-ocean deposits of Neogene age. Discoaster belongs to the haptophytes. About 100 species can be recognized.
| Discoaster Temporal range: | |
|---|---|
| Discoaster surculus, about 15 μm across | |
| Scientific classification | |
| Domain: | |
| (unranked): | |
| Class: | |
| Order: | Coccosphaerales |
| Family: | Coccolithaceae |
| Genus: | †Discoaster Tan Sin Hok (1931) |
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