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Machimosaurus hugii

Reptilia

Taxonomy
Madrimosaurus hugii was named by Meyer (1837). Its type specimen is SMSS Nr. 96, a tooth, and it is a 3D body fossil. Its type locality is Saint Verena, Solothurn, which is in a Kimmeridgian marine horizon in the Raetschenbank Formation of Switzerland.

It was recombined as Machimosaurus hugii by Krebs (1967), Buffetaut (1982), Karl et al. (2006), Pierce et al. (2009), Bronzati et al. (2012), Martin and Vincent (2013), Young et al. (2014) and Fanti et al. (2016).

Synonyms
Synonymy list
YearName and author
1837Madrimosaurus hugii Meyer
1874Machimosaurus interruptus Sauvage p. 50
1874Machimosaurus ferox Sauvage p. 52
1913Steneosaurus hulkei Andrews p. 122
1967Machimosaurus hugii Krebs p. 46 figs. 1-4
1982Machimosaurus hugii Buffetaut
2006Machimosaurus hugii Karl et al.
2009Machimosaurus hugii Pierce et al. p. 1085
2012Machimosaurus hugii Bronzati et al.
2013Machimosaurus hugii Martin and Vincent
2014Machimosaurus hugii Young et al.
2016Machimosaurus hugii Fanti et al.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Life
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
Anthracosauria
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
Sauropsida
RankNameAuthor
classReptilia
subclassEureptilia()
Romeriida
Diapsida()
Archosauromorpha(Huene 1946)
Crocopoda
ArchosauriformesGauthier 1986
Eucrocopoda
Archosauria()
Pseudosuchia(Zittel 1890)
SuchiaKrebs 1974
Paracrocodylomorpha
Loricata(Merrem 1820)
Crocodylomorpha()
Thalattosuchia()
superfamilyTeleosauroideaSaint-Hilaire 1831
tribeMachimosaurini
genusMachimosaurus
specieshugii(Meyer 1837)

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.

Machimosaurus hugii Meyer 1837
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Invalid names: Machimosaurus ferox Sauvage 1874 [synonym], Machimosaurus interruptus Sauvage 1874 [synonym], Steneosaurus hulkei Andrews 1913 [synonym]
Diagnosis
ReferenceDiagnosis
H.-V. Karl et al. 2006Longirostrine with relatively short snout compared to other teleosaurids, large supratemporal fenestrae, massive and blunt conical
teeth with strongly wrinkled enamel
S. E. Pierce et al. 2009Machimosaurus hugii is a short-snouted teleosaurid characterized by massive skull; short and narrow rostrum; anteriorly positioned external narial opening; very large, longitudinally expanded supratemporal fenestra; small and subcircular orbits; frontal that terminates just anterior to orbits; irregular pits on frontal and prefrontal; longitudinal grooves of varying lengths on rostrum; contact between the ectopterygoid and anterior two-thirds of the pterygoid; marked posterior concavity of the palatine fenestra on pterygoid; 21–34 teeth on maxilla; 24–31 teeth on mandible; teeth blunt and circular cross-section; tooth enamel ornamented with numerous irregular ridges and weak anteroposterior carina is visible; pit-like sockets on maxilla to receive dentary teeth and symphyseal region 40–44 per cent of length of dentary.