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Cryptoblastus

Cryptoblastus is a genus of extinct blastoids, a primitive group of echinoderms related to the modern sea lilies. Fossils are found in sedimentary rocks laid down in the Early Carboniferous period some 360 to 320 million years ago.

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Cryptoblastus
Temporal range:
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Echinodermata
Class: †Blastoidea
Order: †Spiraculata
Genus: †Cryptoblastus
Etherridge, Jr. & Carpender, 1886

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

References

References

  1. "Blastoid Association Plate from Burlington Formation". The Virtual Fossil Museum: Fossils Across Geological Time and Evolution. Retrieved June 27, 2009.
  2. Cryptoblastus. (2011). In Encyclopædia Britannica. Retrieved from http://www.britannica.com/EBchecked/topic/145001/Cryptoblastus