Cryptoblastus

Cryptoblastus

▪ echinoderm genus
 extinct genus of blastoids, a primitive group of echinoderms related to the modern sea lilies, found as fossils in Early Carboniferous marine rocks (the Early Carboniferous Period occurred from 360 to 320 million years ago).

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Universalium. 2010.

Игры ⚽ Поможем написать курсовую

Look at other dictionaries:

  • Cryptoblastus — Temporal range: Mississippian …   Wikipedia

  • Crinoid — Crinoids Temporal range: Ordovician Recent …   Wikipedia

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