Palmichnium
Palmichnium ("palm trace") is an ichnofossil genus, interpreted as a eurypterid trackway. It has been found by many places around the world, such as Australia, Canada, United States or Wales.
| Palmichnium | |
|---|---|
 | |
| Trackway of P. palmatum at the Naturmuseum Senckenberg. | |
Trace fossil classification  | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Subphylum: | Chelicerata |
| Order: | †Eurypterida |
| Ichnogenus: | †Palmichnium Richter, 1954 |
| Type ichnospecies | |
| †Palmichnium palmatum Richter, 1954 | |
Its trackways consist of three or four subcircular tracks that are symmetrical around a midline impression that is arranged en echelon with a high angle to the midline.[1][2]
Ichnospecies
The ichnogenus contains eight ichnospecies.
- P. antarcticum Gevers et al., 1971
- P. capensis Anderson, 1975
- ?P. culmicum Pfeiffer, 1968
- P. kosinskiorum Briggs and Rolfe, 1983
- P. macdonaldi Braddy, 1995
- P. palmatum Richter, 1954 (type)
- P. pottsae Braddy and Anderson, 1996
- P. stoermeri Briggs and Rolfe, 1983
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References
- Spencer G. Lucas (2011). Traces of a Permian Seacoast. p. 24. ISBN 9780615471709.
- Adolf Seilacher (2007). "Arthropod trackways". Trace Fossil Analysis. Springer. pp. 18–31. ISBN 978-3-540-47225-4.
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