Ready for the Trilobite Identification Quiz?
last revised 16 July 2007
Examine the detailed line drawings below and consider into which of the order you would place each specimen. When you click on the image, you will be taken to its order, where you can confirm the identification by reviewing the salient characteristics. There are many images, so please be patient.  All figures below ©1999 - 2007 by S. M. Gon III  Created using Macromedia Freehand

Pennaia

Glyphaspis

 Yes, I like muck, but so does Modocia!
Trimerus

Isotelus
Otarion
Telephinus

Ceraurus 
Pleuroctonium
Polypleuraspis

Nileus
Cryptolithus
Drepanura

Calymene
Cheirurus
Condylopyge

Phillipsia

Modocia
Olenellus (Paedeumias)

Saukia
Lermontovia

Scutellum

Selenopeltis
Leptoplastus

Phacops

Elrathia
Redlichia
Remopleurides


Cornuproetus
Densonella
Robergia

Peronopsis
Asaphus
Bathyurus

Comura
Cyphoproetus
Reedops

Ampyx
Platyantyx
Encrinurus

Dicranurus
 

Peltura
 

Norwoodia

Olenellus
Olenus
Paradoxides

Balcoracania
Pagetia

Fallotaspis

Olenoides

Cyclopyge
Dalmanites


Opipeuterella
Balnibarbi
Tricrepicephalus

Acastes
Ekwipagetia
Housia


Triarthrus
Conocoryphe
Modocia

Harpes

Bumastus
Mansuyia


Ogygiocaris
Aulacopleura
Agnostus

Dicranopeltis
Kettneraspis
Arctinurus

Damesella
Dikelokephalus
Ellipsocephalus

Richterops

Lejopyge

Onaraspis

Oryctocephalus

Xystridura
Goniotelus
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Walking Trilobite animation ©2000 by S. M. Gon III