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Antarcticoolithus bradyi

Reptilia

Taxonomy
Antarcticoolithus bradyi was named by Legendre et al. (2020). It is considered to be a form taxon. Its type specimen is SGO.PV 25.400, an egg (egg shell), and it is a 3D body fossil. Its type locality is SGO.PV 25.400 egg site, which is in a Maastrichtian marine siltstone in the López de Bertodano Formation of Antarctica. It is the type species of Antarcticoolithus.

Synonymy list
YearName and author
2020Antarcticoolithus bradyi Legendre et al. figs. Fig. 1

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
Anthracosauria
RankNameAuthor
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
Sauropsida
classReptilia
subclassEureptilia()
Romeriida
Diapsida()
Eosuchia()
Neodiapsida
SauriaGauthier 1984
genusAntarcticoolithus
speciesbradyi

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.

Antarcticoolithus bradyi Legendre et al. 2020
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Diagnosis
ReferenceDiagnosis
L. J. Legendre et al. 2020Antarcticoolithus bradyi is diagnosed by the following combination of characters: large size (29 cm × 20 cm, preserved length × width); eggshell thickness at least 700 μm and layered with a smooth undulating exterior surface; comparatively thin calcareous layer (roughly 100 μm); and complete lack of shell units and pores.