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Leviathanochelys aenigmatica

Reptilia - Testudines

Discussion

urn:lsid:zoobank.org:act:2B8F389C-6437-450F-812C-E7CD8EFF07A2. The specific nomination aenigmatica, Latinized adjective from the Greek noun (anigma meaning enigma, conundrum or riddle) is in reference to the peculiar anatomical characteristics of its pelvis and carapace.

Taxonomy
Leviathanochelys aenigmatica was named by Castillo-Visa et al. (2022). Its type specimen is MCD9884, a partial skeleton (Posterior portion of the carapace including the neural plates 5–8, both left and right fragmentary costals 5–8 and a putative vertebral centra, nearly unidentif), and it is a 3D body fossil. Its type locality is Cal Torrades, which is in a Campanian offshore shelf marl in the Perles Formation of Spain. It is the type species of Leviathanochelys.

Synonymy list
YearName and author
2022Leviathanochelys aenigmatica Castillo-Visa et al.

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
RankNameAuthor
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
—Testudinata(Oppel 1811)
orderTestudinesBatsch 1788
suborderCryptodira
superfamilyChelonioidea
genusLeviathanochelys
speciesaenigmatica

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.

†Leviathanochelys aenigmatica Castillo-Visa et al. 2022
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Diagnosis
ReferenceDiagnosis
O. Castillo-Visa et al. 2022Leviathanochelys aenigmatica is further diagnosed by having two autapomorphic characters as follows: accessory process on the anteromedial margin of the pubis; and acetabulum strongly ventrolaterally directed.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: marinesuperf
Locomotion: actively mobilec
Life habit: aquaticsubo
Diet: omnivoresubo
Reproduction: oviparoussubo
Created: 2017-04-17 10:37:12
Modified: 2017-04-17 10:37:12
Source: superf = superfamily, subo = suborder, c = class, subp = subphylum
References: Bush and Bambach 2015, Uetz 2005, Hendy et al. 2009, Carroll 1988

Age range: Middle Campanian or 83.50000 to 70.60000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Middle Campanian83.5 - 70.6Spain Leviathanochelys aenigmatica (type locality: 228019)