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Mimeosaurus crassus

Reptilia - Priscagamidae

Taxonomy
Mimeosaurus crassus was named by Gilmore (1943). Its type specimen is AMNH 6655, a maxilla (left maxillary with dentition), and it is a 3D body fossil. Its type locality is Shabarakh Usu (AMNH loc. 12049), which is in a Campanian eolian sandstone in the Djadokhta Formation of Mongolia. It is the type species of Mimeosaurus.

Synonymy list
YearName and author
1943Mimeosaurus crassus Gilmore p. 367 fig. 6
1983Mimeosaurus crassus Estes p. 53
1984Mimeosaurus crassus Borsuk-Bialynicka and Moody p. 68
1995Mimeosaurus crassus Gao and Hou p. 75
1996Mimeosaurus crassus Gao and Hou p. 583
2000Mimeosaurus crassus Alifanov p. 371
2000Mimeosaurus crassus Gao and Norell p. 32

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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()
—IguanomorphaSukhanov 1961
—ChamaeleontiformesConrad 2008
familyPriscagamidae()
genusMimeosaurusGilmore 1943
speciescrassus

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.

†Mimeosaurus crassus Gilmore 1943
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Diagnosis
ReferenceDiagnosis
R. Estes 1983Differs from other agamids in having a row of rounded tubercles on the jugal
K. -Q. Gao and L. -H. Hou 1995DIstinguished from other fossil and extant agamids by the combination of the following character states: maxilla short, deep, and subrectangular in fusion with jugal; maxillary tooth row short, straight, with first two teeth enlarged and canine-like; mandible short, lateral coronoid process flattened (widened) with distinct vertically directed anterior crest
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: Late/Upper Campanian or 83.50000 to 70.60000 Ma

Collections (7 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Campanian83.5 - 70.6Mongolia (Omnogov) Mimeosaurus crassus (37016 type locality: 46152)
Late/Upper Campanian83.5 - 70.6Mongolia (Omnogov Aimak) Mimeosaurus crassus (37184 68517)
Middle Campanian83.5 - 70.6China (Nei Mongol) Mimeosaurus crassus (118300 118301 118302)