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Emoia aenea BROWN & PARKER, 1985

IUCN Red List - Emoia aenea - Least Concern, LC

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Higher TaxaScincidae, Eugongylinae, Scincoidea, Sauria, Squamata (lizards)
Subspecies 
Common NamesE: Bronze Emo Skink 
SynonymEmoia aenea BROWN & PARKER 1985
Lygosoma baudini BOULENGER 1914 (part.)
Emoia aenea — BROWN 1991 
DistributionS Papua New Guinea, Indonesia (Irian Jaya)

Type locality: “at Menemsore, Western Province, Papua New Guinea”  
Reproductionoviparous 
TypesHolotype: MCZ 131949 
DiagnosisDiagnosis. This species can be differentiated from other species of the E. submetallica complex on the basis of the following combina tion of characters: (1)31 to 36 midbody scale rows; (2) 49 to 54 paravertebral scale rows between the parietals and the base of the tail; (3) 39 to 46 rounded lamellae under the fourth toe; (4) sixth (rarely fifth) upper labial enlarged and beneath the eye; (5) snout-vent length at maturity 53.5 to 71.0 mm; (6) such features of the color pattern as dorsum medium brown (in life bronzy anteriorly), sometimes with darker blotches in longitudinal series mostly lateral to the paravertebral scale rows; upper lateral surfaces (two or three rows of scales) darker brown to blackish, lower lateral surfaces grayish slate; venter whitish to ivory, occasionally more grayish on head and abdominal regions, pale spot on neck absent (BROWN & PARKER 1985).

Description. An Emoia of intermediate size, snout-vent length 53.5 to 71.8 mm for 11 males and 59.6 to 69.5 mm for three females; habitus moderately robust, limbs well developed; snout moderately tapered, bluntly rounded, its length 54 to 62% of head breadth and 34 to 39% of head length; head breadth 58 to 69% (rarely less than 60%) of head length and 14 to 17% of snout-vent length; eye rela tively large, its diameter 67 to 90% of snout length and 36 to 50% of head breadth; ear diameter one quarter to nearly one half of eye diameter; rostral broader than high, forming long, nearly straight suture with frontonasal; supranasals narrow, elongate, in contact with anterior loreal; prefrontals moderately to widely separated; frontal longer than wide, about same length as fused fronto-interparietal shield, broadly rounded posteriorly, in contact with first and second supraoculars; four large supraoculars; seven or eight supraciliaries; parietals large, in broad contact posteriorly; one pair of nuchals; anterior loreal shorter and higher than posterior, in contact with first and second, second, or second and third upper labials; usually six to eight upper labials, sixth (occasionally fifth) enlarged and beneath eye; seven or eight lower labials; dorsal scales smooth, paravertebral scales not or scarcely enlarged; midbody scale rows 31 to 36; paravertebral scale rows between parietals and base of tail 49 to 54; preanals not or slightly enlarged; limbs well developed, length of extended hind limb 91 to 120% of axilla-groin distance and 45 to 54% of snout-vent length; 39 to 46 rounded lamellae under fourth toe; 10 to 14 lamellae under first toe; rank of adpressed toes from longest to shortest four, three, two, five, one; tail longer than body (BROWN & PARKER 1985).

Comparisons. This species is close to E. submetallica obscura and E. .submetallica popei in scale counts. In color E. aenea is more similar to E. s. obscura than to E. s. popei, lacking the small, whitish blotch on the side of the neck which is typical of the latter. E. aenea also appears to be slightly larger in size and the number of subdigital lamellae may be slightly greater than for either of the two subspecies of submetallica (Table 1), although it is closest to E. s. popei in this character. Also the sixth upper labial is usually the one which is enlarged and beneath the eye for E. s. popei and E. aenea, whereas it is the fifth for E. s. obscura (BROWN & PARKER 1985). 
Comment 
EtymologyNamed after its color: Latin “aenea/-us” = bronze, copper, or ore. 
References
  • Brown W C 1991. Lizards of the genus Emoia (Scincidae) with observations on their evolution and biogeography. MEMOIRS OF THE CALIFORNIA ACADEMY OF SCIENCES (No. 15) 1991: i-vi, 1-94 - get paper here
  • Brown W C; Parker F 1985. Three new lizards of the genus Emoia (Scincidae) from southern New Guinea. Breviora (480): 1-12 - get paper here
 
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