Trilobites

Trilobites
 * Trilobites mean " Three Lobes".
 * Trilobites were arthropods, they had many body segments and jointed legs.
 * Trilobites appeared in the early Cambrian period and started dieing during the Late Devonian Extinction.
 * They were marine so they swam ate the bottom of the sea.
 * Trilobites range from 1 mm to 72 cm, the biggest trilobite was found in 1998 by a Canadian scientist at the Hudson Bay.
 * They had mouths like crabs, so they ate like crabs.
 * Some were particle eaters, they sunk to the bottom for diatoms, plankton, and tiny invertebrates.



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