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Higher TaxaChamaeleonidae, Sauria, Iguania, Squamata (lizards) 
Common Names 
SynonymCalumma emelinae PRÖTZEL, SCHERZ, RATSOAVINA, VENCES & GLAW 2020: 44 
DistributionE Madagascar (from Anosibe An’Ala to Angozongahy (Makira) about 500 km further north), elevation 750– 1030 m

Type locality: Makira plateau, Angozongahy or Ampofoko (about 15.44°S, 49.12°E, 1000 m elevation), Analanjirofo Region, northeastern Madagascar.  
TypesHolotype: ZSM 618/2009 (ZCMV 11292), adult male with completely everted hemipenes, right hemipenis cut off for micro-CT scanning, collected on 22 – 25 June 2009 by M. Vences, D.R. Vieites, F.M. Ratsoavina, R.D. Randrianiaina, E. Rajeriarison, T. Rajofiarison, J. Patton.
Paratypes: ZSM 660/2014 (DRV 5899), ZSM 663/2014 (DRV 5898), both adult males, collected in Angozongahy, western side of Makira plateau camp 1 (15.4370°S, 49.1186°E, 1009 m a.s.l.), Analanjirofo Region, northeastern Madagascar, on 26 June 2009 by M. Vences, D.R. Vieites, F.M. Ratsoavina, R.D. Randrianiaina, E. Rajeriarison, T. Rajofiarison, J. Patton; ZSM 553/2001 (MV 2001- 239), adult female, collected in Andasibe (about 18.93°S, 48.42°E, 900 m a.s.l.), Alaotra-Mangoro Region, eastern Madagascar, on 16 – 18 February 2001 by M. Vences, D.R. Vieites; ZSM 135/2005 (FGZC 2692) and ZSM 136/2005 (FGZC 2693), both adult females and collected in Vohidrazana (about 18.95°S, 48.50°E, 700 – 800 m a.s.l.), Alaotra-Mangoro Region, eastern Madagascar, on 09 February 2005 by F. Glaw, R.D. Randrianiaina, R. Dolch; ZSM 661/2014 (DRV 5677) and ZSM 662/2014 (DRV 5708), both adult females, collected in Mahasoa campsite near Ambodisakoa village (NE Vohimena, NE Lake Alaotra, 17.2977°S, 48.7019°E, 1032 m a.s.l.), Alaotra-Mangoro Region, eastern Madagascar, on 13 – 15 February 2008 by D.R. Vieites, J. Patton, P. Bora, M. Vences; ZSM 148/2016 (FGZC 5236), adult female, collected east of Moramanga in ‘Julia Forest’ (18.9511°S, 48.2719°E, 941 m a.s.l.) on 6 January 2015; ZSM 147/2016 (FGZC 5175), adult female collected south of Moramanga (19.0192°S, 48.2341°E, 903 m a.s.l.), Alaotra-Mangoro Region, eastern Madagascar, on 4 January 2016, both by F. Glaw, D. Prötzel, L. Randriamanana.
DiagnosisDiagnosis (based on the type series; osteology based on micro-CT scan of ZSM 618/2009, male): Calumma emelinae sp. nov. is characterised by (1) a medium size (male SVL 46.6 – 48.7 mm, female SVL 40.1 – 49.1 mm; male TL 93.6–103.2 mm, female TL 82.7–95.8 mm), (2) a medium (2.3–2.9 mm in males 1.5–1.8 mm in females) and distally rounded rostral appendage, (3) rostral scale not integrated into the rostral appendage, (4) rostral crest present, (5) lateral crest present, (6) temporal crest present, (7) cranial crest variable, (8) parietal crest usually absent, (9) casque low in males with a height of 0.5 – 1.1 mm, (10) a dorsal crest of 7 – 10 spines in males, absent in females, (11) 12–16 supralabial scales with a mostly straight upper margin, serrated anteriorly, (12) absence of axillary pits, (13) diameter of the largest scale in the temporal region of the head 0.6–1.0 mm, (14) no frontoparietal fenestra, (15) parietal and squamosal in contact, (16) parietal bone width at midpoint 16.2% of skull length (n=1), (17) a generally greyish to greenish body colouration, (18) rostral appendage colour generally unremarkable, (19) a green cheek colouration, (20) suggestions of two weak bluish lateral blotches, and (21) no strong eye colouration.
Calumma emelinae sp. nov. can easily be distinguished from all species of the C. boettgeri complex (see above) by the absence of occipital lobes; from C. gallus by different length, shape and colour of its rostral appendage (see above); from C. vatosoa by presence of a rostral appendage (vs absence); from C. vohibola by generally longer relative rostral appendage length (RRS 3.1–6.1% vs 0.1–1.4%), dorsal crest always present in males (vs generally absent), and pointed tip of postparietal process (vs relatively broad), and crenate prefrontal (vs smooth); from C. nasutum as redefined herein by a lower casque in males (0.5 – 1.1 mm vs 1.5 – 2.0 mm), dorsal crest present in males consisting of spines (vs general absence or consisting of cones if present), and scales more homogeneous (largest temporal scale in males 0.7 mm vs 0.9 – 1.6 mm); from C. radamanus by relatively longer tail in males (longer than SVL vs shorter), longer rostral appendage in males (RRS 4.7 – 6.1% vs 2.9 – 3.6%), rostral scale not integrated into rostral appendage (vs integrated), supralabials with a largely straight upper margin (vs serrated), and parietal and squamosal in contact (vs widely separated); for diagnosis against C. fallax, see below. For diagnosis against the other species described herein, see their respective descriptions below. 
EtymologyThe specific epithet is named after Emelina Widjojo, the mother of Wewin Tjiasmanto, in recognition of her support for taxonomic research and nature con- servation projects in Madagascar through the BIOPAT initiative ( 
  • PRÖTZEL, D., SCHERZ, M.D., RATSOAVINA, F.M., VENCES, M., GLAW, F. 2020. Untangling the trees: Revision of the Calumma nasutum complex (Squamata: Chamaeleonidae). Vertebrate Zoology 70: 23-59 - get paper here
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