Pipiscius
| Pipiscius | |
|---|---|
| |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Infraphylum: | Agnatha |
| Class: | Hyperoartia |
| Order: | Petromyzontiformes |
| Genus: | †Pipiscius Bardack & Richardson, 1977 |
| Species: | †P. zangerli
|
| Binomial name | |
| †Pipiscius zangerli Bardack & Richardson, 1977
| |
Pipiscius zangerli is an extinct species of lamprey that lived about 300 million years ago, during the Middle Pennsylvanian Epoch of the Carboniferous Period.[1]
It has a distinctive crown-like mouth comprising a ring of radially arranged teeth.[2]
It is known from the Mazon Creek fossil beds located in present-day Illinois.[1]
See also
References
- ^ a b Bardack, David.; Richardson, Eugene Stanley (1977). "New agnathous fishes from the Pennsylvanian of Illinois / David Bardack -- and Eugene S. Richardson, Jr. --". doi:10.5962/bhl.title.5167.
{{cite journal}}: Cite journal requires|journal=(help) - ^ Shu, D.; Morris, S. Conway; Zhang, X-L.; Chen, L.; Li, Y.; Han, J. (1999). "A pipiscid-like fossil from the Lower Cambrian of south China". Nature. 400 (6746): 746. doi:10.1038/23445.
External links
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