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''Ticinosuchus'' is an extinct
Fish scales have been preserved in the abdomen of the specimen. This was likely indicative of a piscivorous diet. ''Ticinosuchus'' shares many similarities with paracrocodylomorphs, such as certain adaptations of the ischium and possibly (but not certainly) hyposphene-hypantrum articulations.
''Ticinosuchus'' is an extinct genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nom ...
of suchian archosaur from the Middle Triassic
In the geologic timescale, the Middle Triassic is the second of three epochs of the Triassic period or the middle of three series in which the Triassic system is divided in chronostratigraphy. The Middle Triassic spans the time between Ma and ...
(Anisian
In the geologic timescale, the Anisian is the lower stage or earliest age of the Middle Triassic series or epoch and lasted from million years ago until million years ago. The Anisian Age succeeds the Olenekian Age (part of the Lower Triassic ...
- Ladinian
The Ladinian is a stage and age in the Middle Triassic series or epoch. It spans the time between Ma and ~237 Ma (million years ago). The Ladinian was preceded by the Anisian and succeeded by the Carnian (part of the Upper or Late Triassic ...
) of Switzerland and Italy
Italy ( it, Italia ), officially the Italian Republic, ) or the Republic of Italy, is a country in Southern Europe. It is located in the middle of the Mediterranean Sea, and its territory largely coincides with the homonymous geographical ...
.
Description
One of only a handful of fossil reptiles that have been found in Switzerland, ''Ticinosuchus'' (meaning "Ticino
Ticino (), sometimes Tessin (), officially the Republic and Canton of Ticino or less formally the Canton of Ticino,, informally ''Canton Ticino'' ; lmo, Canton Tesin ; german: Kanton Tessin ; french: Canton du Tessin ; rm, Chantun dal Tessin . ...
crocodile" due to its origin from the Swiss canton Ticino) was about long, and its whole body, even the belly, was covered in thick, armoured scute
A scute or scutum (Latin: ''scutum''; plural: ''scuta'' "shield") is a bony external plate or scale overlaid with horn, as on the shell of a turtle, the skin of crocodilians, and the feet of birds. The term is also used to describe the anterior po ...
s. These scutes were sometimes considered to have been staggered, alternating between several rows. However, some studies refute this claim, instead purporting that the scutes were aligned in neat rows, with a one-to-one assignment of scutes to vertebrae. The structure of the hips shows that its legs were placed under the body almost vertically. Coupled with the development of a calcaneus and a specialized ankle
The ankle, or the talocrural region, or the jumping bone (informal) is the area where the foot and the leg meet. The ankle includes three joints: the ankle joint proper or talocrural joint, the subtalar joint, and the inferior tibiofibular joi ...
joint, this would have made ''Ticinosuchus'' a fast runner, unlike most earlier reptiles.
''Ticinosuchus'' is thought to be very close to or possible even the same species that made the '' Cheirotherium'' trace fossil
A trace fossil, also known as an ichnofossil (; from el, ἴχνος ''ikhnos'' "trace, track"), is a fossil record of biological activity but not the preserved remains of the plant or animal itself. Trace fossils contrast with body fossils, ...
s found in Germany. It too shows a narrow track-way, similar to that of ''Ticinosuchus''. It is one of the most famous fossils of Besano
Besano is a town and ''comune'' located in the province of Varese, in the Lombardy region of northern Italy.
Paleontological site
The fossils of Besano
In 1993 the fossil of a Triassic aquatic reptile dating back to about 235 million years ...
.
Fish scales have been preserved in the abdomen of the specimen. This was likely indicative of a piscivorous diet. ''Ticinosuchus'' shares many similarities with paracrocodylomorphs, such as certain adaptations of the ischium and possibly (but not certainly) hyposphene-hypantrum articulations.
References
* Krebs, B. (1965). ''Ticinosuchus ferox'' nov. gen. nov. sp. Ein neuer Pseudosuchier aus der Trias des Monte San Giorgio. ''Neues Jahrbuch fur Geologie und Paläontology, Abhandlungen'' 81: 1–140. * Sill, W.D. (1974). The anatomy of ''Saurosuchus galilei'' and the relationships of the rauisuchid thecodonts. ''Bulletin of the Museum of Comparative Zoology'' 146: 317–362. {{Taxonbar, from=Q1878170 Paracrocodylomorphs Triassic reptiles of Europe Prehistoric pseudosuchian genera