**BACKGROUND MUSIC** "Burnin' Down The House" Talking Heads CLICK HERE HOW TRILOBITES ARE CLASSIFIED Here is a breakdown of how trilobites are classified using the trilobite Modocia typicalis as an example: PHYLUM:Arthropoda CLASS:Trilobita ORDER:Ptychoparida SUBORDER:Ptychoparina SUPERFAMILY:Ptychoparacea FAMILY:Ptychoparidae SUBFAMILY:Ptychoparinae GENUS:Modocia SPECIES:typicalis Listed below are the 10 main orders of trilobites, and photos of a representitive trilobite from each order:

AGNOSTIDA
(Peronopsis interstrictus)

ASAPHIDA
(Asaphus latus)

CORYNEXOCHIDA
(Scabriscutellum furciferum)

HARPETIDA (Harpes sp.)

LICHIDA
(Leonaspis sp)

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