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Rhacheosaurus gracilis

Reptilia - Metriorhynchidae

Taxonomy
Rhacheosaurus gracilis was named by Meyer (1831). Its type specimen is Lost holotype; but casts of the vertebral comlumn and hindlimbs exist (AMNH FR 4804, BMNH R3961), a partial skeleton, and it is a 3D body fossil. Its type locality is Daiting (BMNH collection), which is in a Tithonian lagoonal/restricted shallow subtidal lime mudstone in the Mörnsheim Formation of Germany.

It was recombined as Geosaurus gracilis by Fraas (1901).

Synonymy list
YearName and author
1831Rhacheosaurus gracilis Meyer
1882Rhacheosaurus gracilis Quenstedt p. 165
1901Geosaurus gracilis Fraas
2009Rhacheosaurus gracilis Young and Andrade
2012Rhacheosaurus gracilis Bronzati et al.
2013Rhacheosaurus gracilis Young et al.
2015Rhacheosaurus gracilis Parrilla-Bel and Canudo

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
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
subfamilyMetriorhynchinae
tribeRhacheosauriniYoung et al. 2011
genusRhacheosaurusMeyer 1831
speciesgracilisMeyer 1831

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.

†Rhacheosaurus gracilis Meyer 1831
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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: Early/Lower Tithonian or 149.20000 to 145.06000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Tithonian149.2 - 145.06Germany (Bavaria) Rhacheosaurus gracilis (58604)
Early/Lower Tithonian149.2 - 145.06Germany (Bayern) Rhacehosaurus gracilis (53039) Rhacheosaurus gracilis (type locality: 212951)