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Phyllodactylus julieni COPE, 1885

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Higher TaxaPhyllodactylidae, Gekkota, Sauria, Squamata (lizards: geckos)
Common NamesE: Aruba Leaf-toed Gecko 
SynonymPhyllodactylus julieni COPE 1885: 180
Phyllodactylus julieni — BOULENGER 1887: 482
Phyllodactylus julieni — DIXON 1962: 211
Phyllodactylus julieni — KLUGE 1993
Phyllodactylus julieni — RÖSLER 2000: 104 
DistributionLeeward-Islands (Aruba)

Type locality: Aruba, Leeward Islands.  
TypesHolotype: ANSP 13600 
DiagnosisOriginal description from COPE (1885): This species is nearly related to the P. tuberculosus Wiegmann, but may be distinguished by three characters. First, the abdominal scuta are less numerous, forming about thirty transverse series between axilla and groin; while those of P. luberculosus are in at least forty cross rows. Second, the dorsal tubercles form uninterrupted longitudinal series, no small scales intervening between those of one row; although small scales separate those of different rows. Third, there are three scuta behind the mental. In most specimens of the P.luberculosus there are two; in one only I find three. There are five narrow, straight blackish cross-bands between the axilla, and groin; one in the front of the arms, and one across the nape, a brown band posterior to the eye. These markings become obsolete in the largest specimens. The legs are light brown pale spots, marks which are most distinct in adults. When the limbs are appressed to the side, the elbow marks the middle of the longest posterior toes.

Thc characters of this species may be well understood by comparing it with other species of the genus as follows :

I. Tubercles larger and more numerous, keeled.
- Abdominal scales in 30 transverse and 17 longitudinal rows; two postmentals and four scales behind them: P. ventrulis O'Sh.
- Longitudinal series uninterrupted; abdominal scales in 30 transverse, and 21 longitudinal rows; 3 postmentals and six scales in the row behind them: P.julieni Cope.
- Longitudinal series interrupted by scales; abdominal scales in 40 transverse and 25 longitudinal rows: P. tuberculosus Wieg.

II. Tubercles fewer, smaller and not keeled.
- Tubercles in rows; abdominal scales in 56 rows; three postmental scuta; discs larger: P. galapagoensis Pet.
- Tubercles in rows; abdominal scuta in 56 rows; four postmentals; discs very small: P. microphyllus Cope.
- Tubercles not in rows, more obscure; abdominal scuta in 50 rows; two or three postmentals; discs larger; cross-banded: P. inaequalis Cope.

The abnominal scales are in more numerous longitudinal rows than described in the allied P. ventralis O'Shaughnessy 1875 of Jamaica, and the postmental plates and scutes have quite a different arrangement. The six scales of the first row form a series very convex backwards. Several specimens. 
EtymologyNamed after Dr. Alexis Anastay Julien (1840-1919), an American geologist who lived in the Caribbean for several years. 
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • Boulenger, G. A. 1887. Catalogue of the lizards in the British Museum (Nat. Hist.) III. Lacertidae, Gerrhosauridae, Scincidae, Anelytropsidae, Dibamidae, Chamaeleontidae. London: 575 pp. - get paper here
  • Buurt, G. van 2004. Reptiles and amphibians of Aruba, Curacao and Bonaire. Edition Chimaira, Frankfurt, 160 pp.
  • Cope, E.D. 1885. Twelfth contribution to the herpetology of tropical America. Proc. Amer. Philos. Soc. 22: 167-194 [1884] - get paper here
  • Dixon, J. R. 1962. The leaf-toed geckos, genus Phyllodactylus, of northeastern South America. Southwestern Naturalist 7:211—226 - get paper here
  • Hummelinck, P. W. 1940. Studies on the fauna of Curacao, Aruba, Bonaire and the Venezuelan Islands: No. 2. A survey of the mammals, lizards and mollusks. ['Gymnophthalmus laevicaudus: 80]. Studies on the Fauna of Curacao and other Caribbean Islands. 1:59—108
  • Rösler, H. 2000. Kommentierte Liste der rezent, subrezent und fossil bekannten Geckotaxa (Reptilia: Gekkonomorpha). Gekkota 2: 28-153
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