Bicuspidon

Bicuspidon; Temporal range:Cenomanian-Maastrichtian100–66Ma PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Squamata
Clade:	†Polyglyphanodontia
Genus:	†Bicuspidon; Nydam and Cifelli, 2002
Type species
	Bicuspidon numerosus; Nydam and Cifelli, 2002
Species
	List of species B. numerosus; Nydam and Cifelli, 2002 ; B. hatzegiensis; Folie and Codrea, 2005 ; B. smikros; Nydam, 2013 ; B. hogreli; Vullo and Rage, 2018 ;

Bicuspidonis an extinct genus ofpolyglyphanodontlizard known from theLate CretaceousofNorth America,EuropeandAfrica,two species,B. numerosus^[1]andB. smikros^[2]are known from theCenomanianofUtahin the Mussentuchit Member of theCedar Mountain Formationand theNaturita Formationrespectively. WhileB. hatzegiensisis known from theMaastrichtian Sânpetru FormationofRomania^[3]andB. hogreliis known from the CenomanianKem Kem BedsofMorocco.^[4]An indeterminate taxon closely related toB. hatzegiensisreferred to asB. aff. hatzegiensisis known from theSantonian Csehbánya FormationofHungary.^[5]The dentition is heterodont, with conical anterior teeth and transversely oriented bicuspid posterior teeth.

References

^Nydam, Randall; Cifelli, Richard (2002). "A new teiid lizard from the Cedar Mountain Formation (Albian–Cenomanian boundary) of Utah".Journal of Vertebrate Paleontology.22(2): 276–285.doi:10.1671/0272-4634(2002)022[0276:ANTLFT]2.0.CO;2.
^L., Titus, Alan (2013).At the Top of the Grand Staircase: the Late Cretaceous of Southern Utah.Loewen, Mark A. Bloomington, IN: Indiana University Press.ISBN 9780253008961.OCLC 857365429.{{cite book}}:CS1 maint: multiple names: authors list (link)
^Folie, Annelise; Codrea, Vlad (January 2005). "New lissamphibians and squamates from the Maastrichtian of Haţeg Basin, Romania".Acta Palaeontologica Polonica.50(1): 57–71.
^Romain Vullo; Jean-Claude Rage (2018). "The first Gondwanan borioteiioid lizard and the mid-Cretaceous dispersal event between North America and Africa".The Science of Nature.105(11–12): Article 61.doi:10.1007/s00114-018-1588-3.PMID 30291449.
^Makádi, László (December 2006)."Bicuspidon aff. hatzegiensis (Squamata: Scincomorpha: Teiidae) from the Upper Cretaceous Csehbánya Formation (Hungary, Bakony Mts)"(PDF).Acta Geologica Hungarica.49(4): 373–385.doi:10.1556/ageol.49.2006.4.5.ISSN 0236-5278.