Palmichnium
Appearance
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.
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
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.