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Ceratophora erdeleni PETHIYAGODA & MANAMENDRA-ARACHCHI, 1998

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Higher TaxaAgamidae (Draconinae), Sauria, Iguania, Squamata (lizards) 
Subspecies 
Common Names 
SynonymCeratophora erdeleni PETHIYAGODA & MANAMENDRA-ARACHCHI 1998
Ceratophora erdeleni — JANZEN et al. 2007 
DistributionSri Lanka (Ceylon)

Type locality: mountains in E Sinharaja Forest, Morningside, 1000-1300 m elevation.  
Reproductionoviparous 
TypesHolotype: BMNH 1996.448, 
DiagnosisDiagnosis: Ceratophora erdeleni is distinguished from all other Ceratophora by having only a rudimentary rostral appendage (restricted to rostral scale alone) (Fig. 13) or lacking such an appendage altogether in both sexes, the appendage length (AL) when present is 8.7-17.3% of distance between anteriormost point of or­ bit and middle of nostril (EN) (vs. 20.0-225.6% in both sexes of C. stoddartii, the species most closely related to it (Fig. 38 in P & NA 1998)). 
Commentsubarboreal, has only a rudimentary or nonexistent rostral appendage and is
otherwise very similar morphologically to C. stoddartii. The ranges of C. erdeleni and C. karu overlap in the Morningside Forest Reserve.

Rare and critically endangered in Sri Lanka (BAHIR & SURASINGHE 2005).

Abundance: only known from the type locality (Meiri et al. 2017). 
EtymologyThe species name is a patronym honouring Walter Erdelen (Uni­ versity of Wurzburg, Germany), who in the course of extensive work in Sri Lanka in the 1980s was responsible for inspiring renewed interest in the herpetofauna of this island. 
References
  • Bahir, M.M. & T. Surasinghe 2005. A conservation assessment of the Sri Lankan Agamidae (Reptilia: Sauria). Raffles Bull. Zool., Suppl. No. 12: 407-412 - get paper here
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • Janzen, P. 2011. Morningside, ein abgelegener Hotspot in Sri Lanka. Iguana Rundschreiben 24 (1): 5-11
  • Manthey, S. 2011. Agamen-Tagung 2010. Iguana Rundschreiben 24 (1): 28-32
  • Meiri, Shai; Aaron M. Bauer, Allen Allison, Fernando Castro-Herrera, Laurent Chirio, Guarino Colli, Indraneil Das, Tiffany M. Doan, Frank Glaw, Lee L. Grismer, Marinus Hoogmoed, Fred Kraus, Matthew LeBreton, Danny Meirte, Zoltán T. Nagy, Cristiano d 2017. Extinct, obscure or imaginary: the lizard species with the smallest ranges. Diversity and Distributions - get paper here
  • Pethiyagoda, R. & K. Manamendra-Arachchi 1998. A revision of the endemic Sri Lankan agamid lizard genus Ceratophora Gray, 1835, with description of two new species. Journal of South Asian natural History 3 (1): 1
  • Schulte, II , James A.; J. Robert Macey, Rohan Pethiyagoda and Allan Larson 2002. Rostral Horn Evolution among Agamid Lizards of the Genus Ceratophora Endemic to Sri Lanka. Molecular Phylogenetics and Evolution 22: 111-117 - get paper here
  • Somaweera, R. & Somaweera, N. 2009. Lizards of Sri Lanka: a colour guide with field keys. Chimaira, Frankfurt, 304 pp.
 
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