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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Menomoniidae
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Bolaspidella
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Bolaspidella contracta
Bolaspidella drumensis
Bolaspidella fisheri
Bolaspidella interrupta
Bolaspidella prooculis
Bolaspidella tuberculata
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Bolaspidella contracta