''Ischyrochampsa'' is an
extinct
Extinction is the termination of a kind of organism or of a group of kinds (taxon), usually a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and ...
monospecific genus of
Late Cretaceous crocodyliform belonging to the
eusuchian
clade
A clade (), also known as a monophyletic group or natural group, is a group of organisms that are monophyletic – that is, composed of a common ancestor and all its lineal descendants – on a phylogenetic tree. Rather than the English term, ...
Allodaposuchidae. Fossils of the
type species ''I. meridionalis'' are late
Campanian in age and were found in the commune of
Saint-Estève-Janson
Saint-Estève-Janson is a commune in the Bouches-du-Rhône department in southern France.
There is evidence of five hearths and reddened earth in the Escale Cave. These hearths have been dated to 200,000 BP.
Population
See also
*Communes ...
in
Bouches-du-Rhône,
France. Material is also known from
Spain.
It was named and
described in 1995,
and it had an estimated length of over .
''Ischyrochampsa'' was first classified as a
trematochampsid
Trematochampsidae is an extinct family of mesoeucrocodylian crocodylomorphs. Fossils are present from Madagascar, Morocco, Niger, Argentina, and Brazil (in the case of ''Caririsuchus'', where some specimens have been found in the Romualdo Member ...
, but was removed from the group by subsequent studies.
In their description of ''
Allodaposuchus'' remains from southern France, Martin and his colleagues treated the genus as a possible
junior synonym
The Botanical and Zoological Codes of nomenclature treat the concept of synonymy differently.
* In botanical nomenclature, a synonym is a scientific name that applies to a taxon that (now) goes by a different scientific name. For example, Linna ...
of ''
Allodaposuchus''.
[Martin, J. E., Delfino, M., Garcia, G., Godefroit, P., Berton, S. and Valentin, X. (2016), New specimens of Allodaposuchus precedens from France: intraspecific variability and the diversity of European Late Cretaceous eusuchians. Zoological Journal of the Linnean Society, 176: 607–631. doi: 10.1111/zoj.12331]
References
Neosuchians
Prehistoric pseudosuchian genera
Late Cretaceous reptiles of Europe
Late Cretaceous crocodylomorphs of Europe
Fossil taxa described in 1995
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