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Varanus mokrensis

Reptilia - Varanidae

Taxonomy
Varanus mokrensis was named by Ivanov et al. (2018). Its type specimen is SMM/009-09-11/372009, Pal. 1097 (parietal) and is a 3D body fossil. Its type locality is Reptile Joint, West Quarry, Mokra, Miocene, which is in an Orleanian fissure fill claystone in the Czech Republic.

Sister species lacking formal opinion data

Synonymy list
YearName and author
2018Varanus mokrensis Ivanov et al.

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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
Squamata()
Anguimorpha(Fürbringer 1900)
Anguiformes(Bonaparte 1831)
infraorderPlatynotaBaur 1890
superfamilyVaranoideaGray 1827
familyVaranidaeHardwicke and Gray 1824
genusVaranusMerrem 1820
speciesmokrensis

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.

Varanus mokrensis Ivanov et al. 2018
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Diagnosis
ReferenceDiagnosis
M. Ivanov et al. 2018Mid-sized Varanus with estimated snout-vent length up to about 38 cm; differs from all other species in the genus on the basis of a single autapomorphy – parietal and squamosal processes of postorbitofrontal forming a
distinctly acute angle – and the following combination of features: (1) short septomaxilla with flat dorsal surface; (2) frontal and anterolateral postorbital processes of post- orbitofrontal forming obtuse angle; (3) posterior margin of nasal lobe of frontal situated in middle of dorsal width of rostral process; (4) posterior margin of anteroposter- iorly elongated frontal relatively narrow; (5) parietal with wide subrectangular fronto-postfrontal processes, anteri- orly arched fronto-parietal suture, and parietal foramen situated significantly posterior to anterior margin of bone (more than one-third of parietal plate length); (6) distance between medially converging parietal crests of parietal shortest in posterior quarter of parietal plate length; (7) otoccipital with very distinct occipital crest at base of paroccipital process; (8) pointed conical teeth with dis- tally recurved apices and prominent smooth mesial and distal cutting edges; (9) trunk vertebrae with moderately developed depression between pars tectiformis and medial margin of prezygapophyses and with posterolaterally directed postzygapophyses forming a right angle; (10) preacetabular process of ilium prominent and directed at right angle to pubic process; and (11) bifurcated iliac crest prominent.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialf
Locomotion: actively mobilec
Life habit: scansorialf
Diet: carnivoref
Reproduction: oviparousf
Created: 2005-09-16 14:10:01
Modified: 2005-09-23 16:08:59
Source: f = family, c = class, subp = subphylum
References: Hendy et al. 2009, Carroll 1988, Pianka and Vitt 2003

Age range: Orleanian or 20.00000 to 15.97000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Orleanian20.0 - 15.97Czech Republic (Moravia) Varanus mokrensis (190142 type locality: 200140)