Ischyrodon
Extinct Pliosaurid marine reptile
| Ischyrodon Temporal range: Middle Jurassic, Callovian PreꞒ Ꞓ O S D C P T J K Pg N ↓ | |
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| NMB L.D.37, the holotype tooth crown; in (A) mesial, (B) lingual, (C) apical, (D) labial, and (E) distal view | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Order: | †Plesiosauria |
| Suborder: | †Pliosauroidea |
| Family: | †Pliosauridae |
| (unranked): | †Thalassophonea |
| Genus: | †Ischyrodon von Meyer, 1838 |
| Binomial name | |
| †Ischyrodon meriani von Meyer, 1838 vide von Meyer, 1856 | |
Ischyrodon is a dubious genus of large, carnivorous marine reptile belonging to the Pliosauroidea, a clade of short-necked plesiosaurs and it is known from the Middle Jurassic (Callovian) of Wölflinswil, Switzerland. The type species is I. meriani,[1][2] and was previously listed as a synonym of Liopleurodon ferox.[3]
Ischyrodon was named in 1838 and described in 1856 by Hermann von Meyer.[1][2] Lambert Beverly Tarlo noted the possibility of it pertaining to Liopleurodon in 1960.[3] A 2022 study by Daniel Madzia and colleagues noted that while the tooth likely came from Liopleurodon or something similar, there was too little information available to make a confident assignment, so they treated Ischyrodon as a nomen dubium and did not synonymise Ischyrodon with Liopleurodon.[4]
See also
Paleontology portal
References
- ^ a b von Meyer H. (1838). Mittheilungen, an Prof. Bronn gerichtet. Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde. Jahrgang 1838:413-41
- ^ a b Meyer, H. v. (1856). "Ischyrodon meriani aus dem Oolith im Frickthale". Palaeontographica. 6: 19–21.
- ^ a b Tarlo LB. (1960). A review of the Upper Jurassic pliosaurs. Bulletin of the British Museum (Natural History), Geology, London 4(5):145-189
- ^ Madzia, D.; Sachs, S.; Klug, C. (2022). "Historical significance and taxonomic status of Ischyrodon meriani (Pliosauridae) from the Middle Jurassic of Switzerland". PeerJ. 10: e13244. doi:10.7717/peerj.13244. PMC 8995022. PMID 35415018.
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