extinct marine echinoderms known as Caryocrinites, a type of cystoid, that existed in the Ordovician period (505 to 438 million years ago)

---

Size: 2000px × 3500px
Photo credit: © Aunt Spray / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: ancient, benthos, blastoids, cambrian, carboniferous, caryocrinites, colonies, crinoids, cystoid, devonian, dictyonema, diplograptus, era, extinct, floating, fossil, graptolite, illustration, life, micro, middle, ocean, ordovician, organism, ornatus, paleontology, plankton, prehistoric, scientific, sea, silurian, tentacles