Sean + CJ Ordovician Period

SEAN RAMIREZ and CAMERON VALLEY present

ORDOVICIAN 490 MILLION YEARS AGO

The Ordovician Period ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Sub-periods ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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CEPHALOPODS ,[object Object],[object Object],The extravagant amount of evolutionary radiation on Ordovician Earth led to an increased level of consciousness in Paleozoic oceans. Thanks to their development of elaborate organs (tentacles) Cephalopods were (and still are) the most intelligent invertebrates in the world.

INTERESTING FACTS THAT WILL BOTH ASTOUND AND AMAZE YOU • Cephalopods transfer spermatophores by inserting a modified arm into the mantle cavity of a female. • The largest Trilobite ever found was over 2 feet in length. • The Ordovician Period was named after the Welsh tribe “Ordovices” in 1879. • Today in the world, there are over 50000+ species of mollusks in the sea. • Ancestors of several Ordovician animals are more than capable of killing people.

SAUCES Our information was gathered via the following resources: • Encyclopedia Britannica • Wikipedia • Palaeos.com • ucmp.berkeley.edu/ordovician • Holt Biology (book) • Absoluteastronomy.com

Sean + CJ Ordovician Period

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