PBDB Taxon

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Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Hassiacosuchus

Reptilia

Taxonomy

Hassiacosuchus was named by Weitzel (1935). It is not extant.

It was assigned to Alligatorinae by Weitzel (1935), Brochu (1999) and Martin and Lauprasert (2010); to Alligatoroidea by Puértolas et al. (2011); and to Globidonta by Martin and Buffetaut (2008), Farke et al. (2014) and Rio and Mannion (2021).

Species

H. haupti

Synonymy list

Year	Name and author
1935	Hassiacosuchus Weitzel pp. 42-43
1999	Hassiacosuchus Brochu
2008	Hassiacosuchus Martin and Buffetaut
2010	Hassiacosuchus Martin and Lauprasert
2011	Hassiacosuchus Puértolas et al.
2014	Hassiacosuchus Farke et al.
2021	Hassiacosuchus Rio and Mannion

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Deuterostomia
phylum	Chordata	Haeckel 1874
subphylum	Vertebrata
superclass	Gnathostomata
—	Osteichthyes	()
subclass	Sarcopterygii	()
subclass	Dipnotetrapodomorpha	(Nelson 2006)
subclass	Tetrapodomorpha	()
—	Tetrapoda
—	Reptiliomorpha
—	Anthracosauria
subclass	Amphibiosauria	Kuhn 1967
—	Cotylosauria	()
—	Amniota
—	Sauropsida
class	Reptilia
subclass	Eureptilia	()
—	Romeriida

Rank	Name	Author
—	Diapsida	()
—	Archosauromorpha	(Huene 1946)
—	Crocopoda
—	Archosauriformes	Gauthier 1986
—	Eucrocopoda
—	Archosauria	()
—	Pseudosuchia	(Zittel 1890)
—	Suchia	Krebs 1974
—	Paracrocodylomorpha
—	Loricata	(Merrem 1820)
—	Crocodylomorpha	()
—	Solidocrania
suborder	Crocodyliformes
—	Mesoeucrocodylia	Whetstone and Whybrow 1983
—	Neosuchia	Clark 1988
suborder	Eusuchia	Huxley 1875
—	Crocodylia	(Owen 1842)
—	Alligatoroidea	(Gray 1844)
—	Globidonta
genus	Hassiacosuchus

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

G. †Hassiacosuchus Weitzel 1935

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†Hassiacosuchus haupti Weitzel 1935

Diagnosis

Reference	Diagnosis
K. Weitzel 1935	Hassiacosuchus haupti n.g. n.sp. is a crocodilia with an exceptionally short head; according to the teeth and maxillae it is very similar to the American genus Allognathosuchus MOOK, but form of skull and sutures of the skull roof are different. Orbita big; upper temporal fenestrae close together, bigger than lower temporal fenestrae. Lacrimal border on nasal, frontal does not extend to the edge of upper temporal fenestra. Symphysis short, the swallen base of splenial is part of symphysis. Last three teeth of upper maxilla and last four teeth of lower maxilla strong, broad with rounded crowns.