ecofactbook
/
species
/
Animalia
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Arthropoda
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Trilobita
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Asaphida
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Pterocephaliidae
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Pterocephalia
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Pterocephalia bridgei
Pterocephalia concava
Pterocephalia constricta
Pterocephalia dakotensis
Pterocephalia deckeri
Pterocephalia elongata
Pterocephalia laticeps
Pterocephalia multicincta
Pterocephalia oriens
Pterocephalia potosiensis
Pterocephalia punctata
Pterocephalia silvestris
Pterocephalia ulrichi
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