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Sceloporus bimaculosus PHELAN & BRATTSTROM, 1955

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Higher TaxaPhrynosomatidae, Sceloporinae; Iguania, Sauria, Squamata (lizards) 
Common NamesTwin-spotted Spiny Lizard 
SynonymSceloporus magister bimaculosus PHELAN & BRATTSTROM 1955
Sceloporus magister bimaculosus — CONANT & COLLINS 1991: 105
Sceloporus magister bimaculosus — LINER et al. 1993
Sceloporus magister bimaculosus — BELL et al. 2003
Sceloporus bimaculosus — SCHULTE et al. 2006
Sceloporus bimaculosus — LEMOS-ESPINAL & SMITH 2007
Sceloporus bimaculosus — CROTHER et al. 2012 
DistributionUSA (New Mexico, Texas), Mexico (Coahuila, Chihuahua, Durango).

Type locality: "6.6 miles east of San Antonio, Socorro, New Mexico").  
TypesHolotype: CAS 91199 
CommentHistorically, S. magister, including magister bimaculosus may have been confused with S. clarkii (STEJNEGER 1893). 
EtymologyThe name S. m. bimaculosus is a Latin adjective based upon bis-, "two" or "twice," and maculosus, "spotted," and refers to a series of paired brown blotches on dorsum. 
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