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Calumma crypticum RAXWORTHY & NUSSBAUM, 2006

IUCN Red List - Calumma crypticum - Least Concern, LC

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Higher TaxaChamaeleonidae, Sauria, Iguania, Squamata (lizards) 
Subspecies 
Common Names 
SynonymCalumma crypticum RAXWORTHY & NUSSBAUM 2006 
DistributionNE Madagascar (1000-1300 m elevation)

Type locality: Madagascar, Antananarivo Province, Ankazobe Fivondronana, Ambohitantely Special reserve, 18°11.185’S, 47°16.757’E, 1570–1580 m elevation.  
Reproductionoviparous 
TypesHolotype: UMMZ 215315 (RAN 47608), adult male. 
DiagnosisDiagnosis: A Calumma chameleon from Madagascar that differs from all congeners by the combination of a male single ossified rostral appendage projecting up to 2.4 mm (anterior to the mouth), which is dorso-ventrally flattened, with two longitudinal scale rows at base in lateral view; adult SVL , 116 mm; a pair of large occipital lobes that are dorsally united to each other by up to 3 mm in adult; and in life a reddish brown head coloration in adult males. Calumma crypticum is most similar to C. amber, but can be distinguished by the form of the female dorsal crest (periodicity in tubercle size vs. no periodicity in tubercle size), the head and body color in life of the adult male (reddish-brown head and body vs. yellow head and green body), and the projection length of the adult male rostral appendage (0. 5–2. 4 mm vs . up t o 0.7 mm) [from RAXWORTHY & NUSSBAUM 2006]. 
CommentThis species has been confused with C. brevicorne. 
EtymologyNamed after the cryptic status of this species. 
References
  • Glaw, F. 2015. Taxonomic checklist of chameleons (Squamata: Chamaeleonidae). [type catalogue] Vertebrate Zoology 65 (2): 167–246 - get paper here
  • Rabearivony, Jeanneney; Lee D. Brady, Richard K.B. Jenkins, Richard A. Griffiths, Achille P. Raselimanana, Michel Bisoa & Rasoamampionona N. Raminosoa 2015. Influence of riparian habitats on the distribution of rainforest chameleons in Parc National de Ranomafana, Madagascar. African Journal of Herpetology 64 (2): 148-159 | DOI: 10.1080/21564574.2015.1121930 - get paper here
  • Raxworthy, C.J. & Nussbaum, R.A. 2006. Six New Species of Occipital-Lobed Calumma Chameleons (Squamata: Chamaeleonidae) from Montane Regions of Madagascar, with a New Description and Revision of Calumma brevicorne. Copeia 2006 (4): 711-734 - get paper here
  • Rovatsos, Michail; Marie Altmanová , Martina Johnson Pokorná , Petr Velenský , Antonio Sánchez Baca Orcid and Lukáš Kratochvíl 2017. Evolution of Karyotypes in Chameleons Genes 8(12): 382; doi:10.3390/genes8120382 - get paper here
  • Schmidt, W.; Tamm, K. & Wallikewitz, E. 2010. Chamäleons - Drachen unserer Zeit. Natur und Tier Verlag, 328 pp. [review in Reptilia 101: 64, 2013] - get paper here
 
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