Cryptoblastus
Cryptoblastus is a genus of extinct blastoids, a primitive group of echinoderms related to the modern sea lilies.[1] Fossils are found in sedimentary rocks laid down in the Early Carboniferous period some 360 to 320 million years ago. [2]
| Cryptoblastus | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Echinodermata |
| Class: | †Blastoidea |
| Order: | †Spiraculata |
| Genus: | †Cryptoblastus Etherridge, Jr. & Carpender, 1886 |
References
- "Blastoid Association Plate from Burlington Formation". The Virtual Fossil Museum: Fossils Across Geological Time and Evolution. Retrieved June 27, 2009.
- Cryptoblastus. (2011). In Encyclopædia Britannica. Retrieved from http://www.britannica.com/EBchecked/topic/145001/Cryptoblastus
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