Coosella is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived from 501 to 490 million years ago during the...

Coosella helena is an extinct marine species of trilobite from the middle to upper Cambrian period. Fossils of this species can be found in North America...

Agraulos 1847 Menevia Formation Jince Formation Manuels River Formation Coosella 1936 Norwoodia 1916 Tricrepicephalus 1935 Chefu Formation Deadwood Formation...

comparable form †Clelandia †Clelandia typicalis †Coosella †Coosella onusta †Coosella perplexa †Coosella prolifica †Coosia †Coosia albertensis †Coosia alethes...

Conophrys Conopolus Conoredlichia Constantina Constrictella Contracheirurus Coosella (=Wilsonella) Coosia Coosina Coosinoides Coplacoparia Corbinia Corcorania...

including Crepicephalus, Cedaria, Llanoaspidella, and Blountia kindlei Resser, Coosella brevis Resser, Kingstonia ara (Walcott), K. kindlei Resser, and other Kingstonia...

†Coccosteus †Coelacanthus †Composita †Composita subtilita †Conotheca †Coosella †Coosia †Cordaites †Cornulites †Cornulites flexuosus †Craniops †Crepicephalus...

†Columnaria †Columnaria halli †Constellaria †Constellaria prominens †Coosella †Coosella curticei †Coosia †Coosia superba †Cordaites †Cordaites communis †Cordaites...

opressa – or unidentified comparable form †Coosella †Coosella convexa – type locality for species †Coosella vulgaris – type locality for species †Coosia...

†Cincinnetina meeki †Cincinnetina multisecta †Columnaria †Constellaria †Coosella †Coosia †Cordaites †Cryptophragmus †Cyrtoceras †Dalmanitina †Dipleura †Elrathia...

parasulcata †Composita plana †Composita subtilita †Composita trinuclea †Coosella †Coosina †Cordaicarpus †Cordaites †Cordaites principalis Crania †Cravenoceras...

of trilobite fossils have been reported from the Bonneterre, including Coosella, Holcacephalus, Meteoraspis, Tricrepicephalus, and Welleraspis. Several...

been excavated from the Upper Cambrian of the United States (Dresbachian, Coosella zone, Riley Formation, Central Texas, 30.3° N, 97.7° W; and Crepicephalus...

been excavated from the Upper Cambrian of the United States (Dresbachian, Coosella zone, Riley Formation, Central Texas, 30.3° N, 97.7° W) G. bigranulosa...

†Cooperoceras texanum – type locality for species †Coosella †Coosella beltensis †Coosella granulosa †Coosella widnerensis – or unidentified comparable form...

†Composita subquadrata †Composita subtilita †Composita sulcata †Conocardium †Coosella †Coosia †Coosina †Cordylodus †Crepicephalus †Ctenacanthus †Ctenacanthus...

†Conocardium – tentative report †Cooperoceras – type locality for genus †Coosella †Coosia †Cordaites †Cordaites principalis †Cotteroceras †Cotylorhynchus...

†Composita subquadrata †Composita subtilita †Composita sulcata †Conocardium †Coosella †Coosia †Coosia alethes †Coosina †Coosina ariston †Cordylodus †Cordylodus...

†Condrathyris †Condrathyris perplexa †Conotreta †Conotreta millardensis †Coosella †Coosina †Cordaianthus †Cordaianthus pseudofluitans †Cordaicarpus †Cordaicarpus...