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Siderolamprus scansorius (MCCRANIE & WILSON, 1996)

IUCN Red List - Siderolamprus scansorius - Endangered, EN

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Higher TaxaDiploglossidae, Diploglossa, Anguimorpha, Sauria, Squamata (lizards)
Subspecies 
Common Names 
SynonymCelestus scansorius MCCRANIE & WILSON 1996
Celestus scansorius — KÖHLER 2000: 41
Celestus scansorius — KÖHLER 2008
Diploglossus scansorius — MCCRANIE 2015
Diploglossus scansorius — MCCRANIE 2018
Siderolamprus scansorius — SCHOOLS & HEDGES 2021 
DistributionNW Honduras (elevation 1550-1590 m)

Type locality: 2.5 airline km NNE La Fortuna, 15° 25’ N, 87° 19’ W, 1550 m elevation, Cordillera Nombre de Dios, Yoro, Honduras.  
Reproductionovoviviparous 
TypesHolotype: USNM 335049, adult female 
DiagnosisDiagnosis: C. scansorius appears to be most closely related to C. bivittatus (includes C. atitlanensis Smith, 1950; but see Discussion) and can be distinguished from that species by having 21-22 lamellae under the fourth toe (14-18 in C. bivittatus), 15-16 lamellae under the third finger (12-14), and ventral surface pale gray in preservative (cream with zero to less than one0.164 (0.190-0.235), pale spots or markings present laterally (absent), and dorsolateral pale stripe weakly evident in adults (absent); from C. enneagrammus (Cope, 1861) by having 21-22 lamellae under the fourth toe (14-18), maximum known SVL of 111 (89), suboculars and postoculars juxtaposed (in single series), 74 scales along dorsal midline (77-85), 76-78 scales along ventral midline (81-91), and dorsolateral pale stripe weakly evident in adults (absent); from C. hylaius Savage and Lips, 1994, by having 74 scales along dorsal midline (76-81), 76-78 scales along ventral midline (84-92), adult HW/SVL 0.131-0.133 (0.082-0.124), each ventral scale with gray anterior edges in life immaculate yellow-green); from C. legnotus (Campbell and Camarillo, 1994) by having 21-22 lamellae under the fourth toe (15-17), suboculars and postoculars juxtaposed (in single series), seventh and eighth or eighth and ninth supralabials below eye (usually sixth and seventh), 29-31 scales around midbody (33), 74 scales along dorsal midline (75-79), suture between first and second supralabials beneath anterior edge of naris (center of naris), lacking dark vertical bars laterally (present), and dorso-lateral pale stripes weakly evident in adults (absent); from C. montanus Schmidt, 1933, by having a single prefrontal bordering frontal anteriorly (three prefrontals [or two prefrontals and one frontonasal as used by Savage & Lips, 1994]), maximum known SVL of 111 (93), second medial supraocular not in contact with pre-frontal (in contact), 29-31 scales around mid-body (33), 74 scales along dorsal midline (67-72), flanks of body with pale colored scales, frequently arranged into irregular vertical lines (flanks with conspicuous pale spots), and dorso-lateral pale stripes weakly evident in adults (absent); from C. orobius Savage and Lips, 1994, by maximum known SVL of 111.1 (82.9), 29-31 scales around midbody (33), 74 scales along dorsal midline (66), 11-12 preanals (8), 11-12 supralabials (9), 9-10 infralabials (7-8), and dorsolateral pale stripes weakly evident in adults (absent); from C. rozellae Smith, 1942, by maximum known SVL of 111 (102), middle loreal vertically elongate, occupying canthal area (a canthal usually present), lacking dark vertical bars laterally (present), and dorsolateral stripes weakly evident in adults (absent). (McCranie & Wilson 1996)


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CommentSynonymy: The placement of this species in Diploglossus is based on phylogenetic data by Pyron et al. 2013. 
References
  • Hofmann, Erich P.; Luis Herrera-B., Emmanuel O. Murillo, Jocelyn A. Castro, Andrew J. Mason, Christopher L. Parkinson, and Josiah H. Townsend 2019. Rediscovery of the Honduran endemic Diploglossus scansorius (Squamata: Diploglossidae), with description of the first known juvenile specimen from a new locality in north-central Honduras. Phyllomedusa 18 (2): 255–258 - get paper here
  • Köhler, G. 2000. Reptilien und Amphibien Mittelamerikas, Bd 1: Krokodile, Schildkröten, Echsen. Herpeton Verlag, Offenbach, 158 pp.
  • Köhler, G. 2008. Reptiles of Central America. 2nd Ed. Herpeton-Verlag, 400 pp.
  • McCranie J R; Wilson L D 1996. A new arboreal lizard of the genus Celestus (Squamata: Anguidae) from northern Honduras. Revista de Biologia Tropical 44 (1): 259-264 - get paper here
  • McCranie, James R. 2015. A checklist of the amphibians and reptiles of Honduras, with additions, comments on taxonomy, some recent taxonomic decisions, and areas of further studies needed. Zootaxa 3931 (3): 352–386 - get paper here
  • Savage, JM; Lips, KR; Ibáñez RD 2008. A new species of Celestus from west-central Panama, with consideration of the status of the genera of the Anguidae: Diploglossinae (Squamata). Revista de Biologia Tropical 56 (2): 845-859 - get paper here
  • SCHOOLS, MOLLY & S. BLAIR HEDGES 2021. Phylogenetics, classification, and biogeography of the Neotropical forest lizards (Squamata, Diploglossidae). Zootaxa 4974 (2): 201–257 - get paper here
  • Solís, J. M., L. D. Wilson, and J. H. Townsend. 2014. An updated list of the amphibians and reptiles of Honduras, with comments on their nomenclature. Mesoamerican Herpetology 1: 123–144 - get paper here
 
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