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Trigonoolithus amoae

Reptilia - Prismatoolithidae

Taxonomy
Trigonoolithus amoae was named by Moreno-Azanza et al. (2014). It is considered to be a form taxon. Its type specimen is MPZ 2012/737, an egg, and it is a 3D body fossil. Its type locality is La Cantalera 1, Josa, which is in a Barremian mire/swamp claystone in the Blesa Formation of Spain.

Synonymy list
YearName and author
2014Trigonoolithus amoae Moreno-Azanza et al. p. 845 fig. 2–4
2014Trigonoolithus amoae Sellés et al. p. 49
2016Trigonoolithus amoae Tanaka et al. p. 357

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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
RankNameAuthor
classReptilia
subclassEureptilia()
—Romeriida
—Diapsida()
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
informalAvemetatarsalia
—Ornithodira
—Dinosauromorpha
—Dinosauriformes
—Dinosauria()
familyPrismatoolithidae
genusTrigonoolithus
speciesamoae

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.

†Trigonoolithus amoae Moreno-Azanza et al. 2014
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Diagnosis
ReferenceDiagnosis
M. Moreno-Azanza et al. 2014Prismatoolithidae eggshell with three different layers, with gradual transition between mammillary and prismatic layer and between prismatic and external layer, and angusticanaliculate pore system. Outer surface strongly sculptured with ornamentation made up of well-formed triangle-shaped and/or rounded unconnected protuberances. Eggshell thickness 330–1040 μm (mean 672 μm, standard deviation 106.46 μm).
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Created: 2017-04-17 15:16:03
Modified: 2017-04-17 15:16:03
Source: subc = subclass, c = class, subp = subphylum
References: Carroll 1988, Kiessling 2004, Hendy et al. 2009

Age range: Early/Lower Barremian or 125.77000 to 121.40000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Early/Lower Barremian125.77 - 121.4Spain (Aragón) Prismatoolithidae indet. (type locality: 53921)