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Cryptobicuspidon pachysymphysealis

Reptilia

Taxonomy
Cryptobicuspidon pachysymphysealis was named by de Carvalho and Santucci (2023). Its type specimen is FUP-PV-000018, a mandible (Mid- and anterior portions of both dentaries bearing teeth, with the symphyseal articulation preserved), and it is a 3D body fossil. Its type locality is Campo Azul (lacustrine beds), which is in a Barremian/Aptian lacustrine sandstone in the Quiricó Formation of Brazil. It is the type species of Cryptobicuspidon.

Synonymy list
YearName and author
2023Cryptobicuspidon pachysymphysealis de Carvalho and Santucci

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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
—Squamata()
—Scincomorpha()
—PolyglyphanodontiaAlifanov 2000
—Borioteiioidea
genusCryptobicuspidon
speciespachysymphysealis

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.

†Cryptobicuspidon pachysymphysealis de Carvalho and Santucci 2023
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Diagnosis
ReferenceDiagnosis
J. C. de Carvalho and R. M. Santucci 2023The same as for genus by monotypy.
Small-sized polyglyphanodontine lizard bearing the following set of characteristics: smaller and unicuspid anteriormost teeth inclined forward; mid-posterior teeth transversally wide at the basal portion of the crown with two cusps, being one labial and other lingual; first (anteriormost) mental foramen facing anteriorly and the remaining ones forming a line in the lateral portion of the dentary; anterior symphyseal process extending from the anterior margin of the symphysis tapering to a point; symphysis bearing an oval-shaped and thick process; V-shaped mandible with dentary rami forming an angle slightly greater than 45º.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialuc
Locomotion: actively mobilec
Created: 2017-04-17 15:15:35
Modified: 2017-04-17 15:15:35
Source: c = class, subp = subphylum, uc = unranked clade
References: Hendy et al. 2009, Carroll 1988

Age range: base of the Barremian to the top of the Aptian or 129.40000 to 113.00000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Barremian - Aptian129.4 - 113.0Brazil (Minas Gerais) Cryptobicuspidon pachysymphysealis (type locality: 232206)