ecofactbook
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species
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Animalia
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Arthropoda
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Trilobita
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Ptychopariida
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Crepicephalidae
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Coosia
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Coosia albertensis
Coosia alethes
Coosia bianos
Coosia canadensis
Coosia dakotensis
Coosia daunus
Coosia expansa
Coosia grandis
Coosia holliensis
Coosia latilimbata
Coosia longocula
Coosia magna
Coosia modesta
Coosia parva
Coosia pustulata
Coosia robusta
Coosia superba
Coosia wolfensis
Coosia wyomingensis
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Coosia albertensis