Kingdom Animalia Class Hyperoartia Genus †Pipiscus | Phylum Chordata Order Petromyzontiformes Species †P. zangerli | |
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Pipiscus zangerli is an extinct lamprey that lived about 300 million years ago, during the Middle Pennsylvanian Epoch of the Carboniferous Period.
It has a distinctive crown-like mouth comprising a ring of radially arranged teeth..
It is known from the Mazon Creek fossil beds located in present day Illinois.
References
Pipiscus Wikipedia(Text) CC BY-SA