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Ptychagnostus (Ptychagnostus) fissus (Lundgren 1879)

Ptychagnostus fissus is a species of trilobites in the family Ptychagnostidae. This species is extinct. It is a suspension feeder.

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EOL has data for 11 attributes, including:

Known occurrences, collected specimens and observations of <i><i>Ptychagnostus</i></i> (Ptychagnostus) <i>fissus</i> (Lundgren 1879)