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Lusonectes sauvagei

Osteichthyes - Plesiosauria - Plesiosauridae

Taxonomy
Lusonectes sauvagei was named by Smith et al. (2012). Its type specimen is MG33, a partial skull (a partial skull and articulated mandible), and it is a 3D body fossil. Its type locality is 1500 m WNW of Alhadas, near Murtede, which is in a Toarcian marine horizon in the São Gião Formation of Portugal. It is the type species of Lusonectes.

Synonymy list
YearName and author
2012Lusonectes sauvagei Smith et al. p. 258 figs. 1-2

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
Anthracosauria
RankNameAuthor
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
Sauropsida
classReptilia
subclassEureptilia()
Romeriida
Diapsida()
suborderSauropterygia
orderPlesiosauriade Blainville 1835
superfamilyPlesiosauroideaWelles 1943
familyPlesiosauridaeGray 1825
genusLusonectes
speciessauvagei

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.

Lusonectes sauvagei Smith et al. 2012
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Diagnosis
ReferenceDiagnosis
A. S. Smith et al. 2012Lusonectes possesses a single autapomorphy, a broad triangular parasphenoid cultriform process that is as long as the posterior interpterygoid vacuities. The taxon is further diagnosed by the following unique combination of characters: jugal contacts the orbital margin, a distinct parasphenoid–basisphenoid suture exposed between the posterior interpterygoid vacuities, an unkeeled ventral parabasisphenoid with a flat anterior and gently convex posterior region of the ventral surface, lack of an anterior interpterygoid vacuity, and palatal striations on the ventral surface of the pterygoids. The teeth have no ornamentation or striations, but this may be due to abrasion.
Measurements
No measurements are available
Composition: hydroxyapatiteo
Environment: marineo
Locomotion: actively mobileo
Life habit: aquatico
Depth habitat: surfaceo
Diet: carnivoreo
Reproduction: viviparouso
Created: 2009-07-20 06:05:48
Modified: 2011-08-12 01:58:15
Source: o = order
Reference: Kiessling 2004

Age range: Toarcian or 184.20000 to 174.70000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Toarcian184.2 - 174.7Portugal Lusonectes sauvagei (type locality: 128627)