ecofactbook
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species
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Animalia
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Arthropoda
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Trilobita
/
Ptychopariida
/
Conocoryphidae
/
Ctenocephalus
/
Ctenocephalus angelini
Ctenocephalus bucculentus
Ctenocephalus excavatus
Ctenocephalus howelli
Ctenocephalus terranovicus
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