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Geosaurus lapparenti

Osteichthyes - Metriorhynchidae

Taxonomy
Dacosaurus lapparenti was named by Debelmas and Strannoloubsky (1957). Its type specimen is UJF-ID.11847, a partial skeleton (isolated cranial remains, cervical and caudal vertebrae, and pectoral girdle elements), and it is a 3D body fossil. Its type locality is La Martre (Var), which is in a Valanginian marine horizon in France.

It was recombined as Geosaurus lapparenti by Young and Andrade (2009), Bronzati et al. (2012), Young et al. (2013), Parrilla-Bel and Canudo (2015).

Sister species lacking formal opinion data
G. araucaniensis

Synonymy list
YearName and author
1957Dacosaurus lapparenti Debelmas and Strannoloubsky
2009Geosaurus lapparenti Young and Andrade
2012Geosaurus lapparenti Bronzati et al.
2013Geosaurus lapparenti Young et al.
2015Geosaurus lapparenti Parrilla-Bel and Canudo

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
subclassEureptilia()
—Romeriida
RankNameAuthor
—Diapsida()
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
—Pseudosuchia(Zittel 1890)
—SuchiaKrebs 1974
—Paracrocodylomorpha
—Loricata(Merrem 1820)
—Crocodylomorpha()
infraorderThalattosuchia()
—Neothalattosuchia
superfamilyMetriorhynchoideaYoung et al. 2010
—Euthalattosuchia
familyMetriorhynchidaeFitzinger 1843
subfamilyGeosaurinaeLydekker 1889
tribeGeosaurini
subtribeGeosaurina
genusGeosaurusCuvier 1824
specieslapparenti()

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.

†Geosaurus lapparenti Debelmas and Strannoloubsky 1957
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: hydroxyapatitesubo
Environment: marinesubo
Locomotion: actively mobilesubo
Life habit: nektonicsubo
Diet: carnivoresubo
Created: 2009-07-23 01:12:29
Modified: 2009-07-23 03:12:29
Source: subo = suborder
Reference: Kiessling 2004

Age range: base of the Late/Upper Valanginian to the top of the Early/Lower Hauterivian or 137.05000 to 125.77000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Valanginian137.05 - 132.6France Geosaurus lapparenti (155313)
Late/Upper Valanginian137.05 - 132.6France Dacosaurus lapparenti (type locality: 123368)
Early/Lower Hauterivian132.6 - 125.77France Geosaurus lapparenti (155311)