| Amphisauropus Temporal range: Permian-Triassic PreꞒ Ꞓ O S D C P T J K Pg N | |
|---|---|
Trace fossil classification 
| |
| Ichnoclass: | Amphibipidida |
| Ichnoorder: | †Seymouriamorphipedidii |
| Ichnosuperfamily: | †Seymourioidea |
| Ichnogenus: | †Amphisauropus Haubold 1970 |
| Type ichnospecies | |
| †A. latus Haubold 1970 | |
| Ichnospecies | |
| |
Amphisauropus is an amphibian ichnogenus commonly found in assemblages of ichnofossils dating to the Permian to Triassic. It has been found in Europe, Morocco, and North America.
Description
The foot impressions show five digits and clear palm prints, though the fifth digit is not always impressed. The digits are short and broad with rounded tips. The pes (rear foot) is longer than wide while the manus (front foot) is wider than long. A continuous tail impression is also present. The animal may have had a trunk length of about 12 centimeters (4.7 in) and likely moved quite slowly.
References
- ^ Voigt, Sebastian; Berman, David S; Henrici, Amy C. (12 September 2007). "First well-established track-trackmaker association of paleozoic tetrapods based on Ichniotherium 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.
- ^ Ptaszyński, T.; Niedźwiedzki, G. (2004). "Late Permian vertebrate tracks from the Tumlin Sandstone, Holy Cross Mountains, Poland". Acta Palaeontologica Polonica. 49 (2): 289–320. Retrieved 19 January 2022.
- Hminna, Abdelkbir; Voigt, Sebastian; Saber, Hafid; Schneider, Jörg W.; Hmich, Driss (June 2012). "On a moderately diverse continental ichnofauna from the Permian Ikakern Formation (Argana Basin, Western High Atlas, Morocco)". Journal of African Earth Sciences. 68: 15–23. Bibcode:2012JAfES..68...15H. doi:10.1016/j.jafrearsci.2012.03.011.
- Lucas, Spencer G.; Lerner, Allan J.; Haubold, Hartmut (2001). "First record of Amphisauropus and Varanopus in the Lower Permian Abo Formation, central New Mexico". Hallesches Jahrb. Geowiss B. 29: 69–78. CiteSeerX 10.1.1.503.8731.
- Marchetti, Lorenzo; Mujal, Eudald; Bernardi, Massimo (January 2017). "An unusual Amphisauropus trackway and its implication for understanding seymouriamorph locomotion". Lethaia. 50 (1): 162–174. Bibcode:2017Letha..50..162M. doi:10.1111/let.12184.
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