Ichniotherium

Ichniotherium; Temporal range: Late Carboniferous–Early Permian PreꞒ Ꞓ O S D C P T J K Pg N
Trace fossil classification
Kingdom:	Animalia
Phylum:	Chordata
Clade:	Tetrapoda
Clade:	Reptiliomorpha
Order:	†Diadectomorpha
Ichnogenus:	†Ichniotherium; Pohlig, 1892

Ichniotherium (meaning "marking creature") is an ichnogenus of tetrapod footprints from between the Late Carboniferous period to the Early Permian period attributed to diadectomorph track-makers. These footprints are commonly found in Europe, and have also been identified in North America and Morocco. Three ichnospecies of Ichniotherium have been proposed as valid: I. cotta, I. sphaerodactylum, and I. praesidentis.

In a 2007 study, the diadectid species Diadectes absitus was determined to be the track-maker associated with I. cotta tracks, and the related diadectid species Orobates pabsti was linked to I. praesidentis based on analysis of Lower Permian trackways and fossils skeletons in Germany

References

1 2 3 Buchwitz M & Voigt S. (2018) On the morphological variability of Ichniotherium tracks and evolution of locomotion in the sistergroup of amniotes. PeerJ 6:e4346 https://doi.org/10.7717/peerj.4346
↑ "Geopark Karnische Alpen: Research_more". www.geopark-karnische-alpen.at (in German). Retrieved 23 February 2018.
↑ Lucas, Spencer G.; Zeigler, Kate E.; Spielmann, Justin A. (2005). The Permian of Central New Mexico: Bulletin 31. New Mexico Museum of Natural History and Science. p. 63.
↑ Voigt, Sebastian; Berman, David S; Henrici, Amy C. (12 September 2007). "First well-established track-trackmaker association of paleozoic tetrapods based on trackways and diadectid skeletons from the Lower Permian of Germany". Journal of Vertebrate Paleontology. 27 (3): 553–570. doi:10.1671/0272-4634(2007)27[553:fwtaop]2.0.co;2. S2CID 131256847.
↑ Society of Vertebrate Paleontology. (2007, September 18). "Who Went There? Matching Fossil Tracks With Their Makers". ScienceDaily. Retrieved February 21, 2018 from www.sciencedaily.com/releases/2007/09/070915092239.htm

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[Buchwitz-1] 1 2 3 Buchwitz M & Voigt S. (2018) On the morphological variability of Ichniotherium tracks and evolution of locomotion in the sistergroup of amniotes. PeerJ 6:e4346 https://doi.org/10.7717/peerj.4346

[2] "Geopark Karnische Alpen: Research_more". www.geopark-karnische-alpen.at (in German). Retrieved 23 February 2018.

[3] Lucas, Spencer G.; Zeigler, Kate E.; Spielmann, Justin A. (2005). The Permian of Central New Mexico: Bulletin 31. New Mexico Museum of Natural History and Science. p. 63.

[Voigt_et_al-4] Voigt, Sebastian; Berman, David S; Henrici, Amy C. (12 September 2007). "First well-established track-trackmaker association of paleozoic tetrapods based on trackways and diadectid skeletons from the Lower Permian of Germany". Journal of Vertebrate Paleontology. 27 (3): 553–570. doi:10.1671/0272-4634(2007)27[553:fwtaop]2.0.co;2. S2CID 131256847.

[5] Society of Vertebrate Paleontology. (2007, September 18). "Who Went There? Matching Fossil Tracks With Their Makers". ScienceDaily. Retrieved February 21, 2018 from www.sciencedaily.com/releases/2007/09/070915092239.htm