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Aphaniotis acutirostris MODIGLIANI, 1889

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Higher TaxaAgamidae (Draconinae), Sauria, Iguania, Squamata (lizards)
Common NamesE: Indonesia Earless Agama 
SynonymAphaniotis acutirostris MODIGLIANI 1889: 115
Aphaniotis acutirostris — BOULENGER 1891: 288
Aphaniotis acutirostris — DE ROOIJ 1915: 88
Aphaniotis acutirostris — WERMUTH 1967: 34
Aphaniotis acutirostris — MANTHEY & GROSSMANN 1997: 157
Aphaniotis acutirostris — MANTHEY & SCHUSTER 1999: 24
Aphaniotis acutirostris — TEYNIÉ et al. 2010 
DistributionIndonesia (Nimalur, Nias, Pulu Nako, Mentawei, Sumatra, Borneo)

Type locality: Nias  
TypesHolotype: MRSN (= MSNTO) R2580; Lectotype: MSNG 29001 (fide Capocaccia 1961); Paralectotypes: ZMB 10154, ZMB 54502-03 (formerly ZMB 10154 part) "Benkoolen, Sumatra", leg. Landsberg & Doria. Terra typica: Insel Nias. 
DiagnosisHead long, snout pointed, much longer than the diameter of the orbit, with sharp canthus rostralis; tympanum hidden; a small gular sac; head with keeled scales, the scales largest on the middle line, the supraocular region and the occiput. Above the rostral a large scale, convex, directed anteriorly; nostril in a rather large nasal, which is separated from the rostral by a scale. Eight upper and nine lower labials; between the eye and the ear some more enlarged scales. Body compressed, long and slender; a slight dorsal crest, composed of small triangular scales anteriorly, gradually decreasing into a serrated ridge. Dorsal scales keeled, somewhat larger than the laterals, with a row of enlarged ones on each side of the vertebral line and another row on each side of the back. Ventral scales keeled, much larger than laterals, those on the gular region smaller than the others. Tail cylindrical, very long and slender, twice as long as head and body, covered with keeled scales. Limbs very long and slender, the fore limb, laid forwards, surpasses the snout by the whole hand, fourth finger longest; the hind limb surpasses the snout by a third of the fourth toe, which is the longest (fig. 45). Limbs covered with keeled scales (de Rooij 1915: 89).

Coloration: Brown above with darker variegations; sometimes distinct dark lines, radiating from the eye. Inside of mouth blue. Lower parts lighter; throat sometimes with dark spots (de Rooij 1915: 89).

Size: Length of head and body 72 mm; tail 177 mm (de Rooij 1915: 89) 
EtymologyNamed after Latin “acuere” = sharp, or “acutus” = sharpened, pointed, or “acumen” = tip, or “acus” = needle; “rostrum” = beak, proboscis, or trunk. 
  • Boulenger, G.A. 1891. On new or little known Indian and Malayan reptiles and batrachians. Ann. Mag. nat. Hist. (6) 8: 288-292 - get paper here
  • Capocaccia, L. 1961. Catalogo dei tipi di Rettili del Museo Civico di Storia Naturale di Genova [MSNG]. Ann. Mus. Civ. Stor. Nat. Giacomo Doria 72: 86-111
  • Das , I. 2004. Lizards of Borneo. Natural History Publications, Kota Kinabalu, Borneo
  • de Rooij, N. de 1915. The Reptiles of the Indo-Australian Archipelago. I. Lacertilia, Chelonia, Emydosauria. Leiden (E. J. Brill), xiv + 384 pp. - get paper here
  • Hallermann, J. 2005. The bizarre arboreal agamids. Reptilia (GB) (42): 8-15 - get paper here
  • Hallermann, J. 2005. Mit Hörnern, Kämmen und Gleithäuten - die bizarren Baumagamen. Reptilia (Münster) 10 (51): 18-25 - get paper here
  • Manthey U 2008. Agamid lizards of Southern Asia, Draconinae 1. Terralog 7, 160 pp.
  • Manthey, U. & Grossmann, W. 1997. Amphibien & Reptilien Südostasiens. Natur und Tier Verlag (Münster), 512 pp. - get paper here
  • Manthey,U. & SCHUSTER,N. 1999. Agamen, 2. Aufl. Natur und Tier Verlag (Münster), 120 pp. - get paper here
  • Milto, K.D. and O.S. Bezman-Moseyko 2021. Herpetofauna of the Maninjau caldera, West Sumatra, Indonesia, with special account to geckos. Proceedings of the Zoological Institute RAS 325(4): 430–446 - get paper here
  • Modigliani,E. 1889. Materiali per la fauna erpetologica dell isola Nias. Ann. Mus. civ. stor. nat. Genova 7: 113-124 - get paper here
  • Prötzel, D. & J. Forster 2014. Herpetologische Eindrücke von Sumatra. Reptilia (Münster) 19 (109): 80-85
  • TEYNIÉ, ALEXANDRE; PATRICK DAVID, & ANNEMARIE OHLER 2010. Note on a collection of Amphibians and Reptiles from Western Sumatra (Indonesia), with the description of a new species of the genus Bufo. Zootaxa 2416: 1–43 - get paper here
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