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Calumma tsycorne RAXWORTHY & NUSSBAUM, 2006

IUCN Red List - Calumma tsycorne - Vulnerable, VU

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Higher TaxaChamaeleonidae, Sauria, Iguania, Squamata (lizards)
Common Names 
SynonymCalumma tsycorne RAXWORTHY & NUSSBAUM 2006 
DistributionSE Madagascar,

Type locality: Madagascar, Fianarantsoa Province, Iakora
Fivondronana, Kalambatritra Reserve, Amorimbato River, 23°30’S, 46°28’E,1250 m elevation.  
TypesHolotype: UMMZ 221869 (RAN 56920), adult male. 
DiagnosisDiagnosis: A Calumma chameleon from Mada- gascar that differs from all congeners by the combination of rostral crests that do not unite anteriorly on the snouts, no rostral appendage or appendages in adult male, a pair of large occipital lobes that are dorsally united to each other by 4–9 mm in adults, and a blunt posterior helmet with a short transverse margin. Calumma tsycorne is most similar to C. cucullatum, but can be distinguished by the form of the posterior helmet (blunt with a short transverse margin vs. elon- gate, forming an extreme point), gular crest (present vs. absent), and male rostral appen- dages (absent vs. present as a pair). [from RAXWORTHY & NUSSBAUM 2006]. 
EtymologyNamed after a Malagasy combination of words: “tsy” meaning “no”, and the latin name “corne” = horn, referring to the lack of a rostral appendage in this species. 
  • Glaw, F. 2015. Taxonomic checklist of chameleons (Squamata: Chamaeleonidae). [type catalogue] Vertebrate Zoology 65 (2): 167–246 - 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
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