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Acanthodactylus dumerilii (MILNE-EDWARDS, 1829)

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Higher TaxaLacertidae, Eremiadinae, Sauria, Lacertoidea, Squamata (lizards)
Subspecies 
Common NamesE: Duméril's Fringe-fingered Lizard
G: Dumérils Fransenfinger 
SynonymLacerta dumerili MILNE-EDWARDS 1829: 85
Scapteira inornata GRAY 1838: 281
Acanthodactylus scutellatus var. exiguus LATASTE 1885 (fide SALVADOR)
Acanthodactylus scutellatus variété exiguus — DOUMERGUE 1901
Acanthodactylus senegalensis CHABANAUD 1918
Acanthodactylus scutellatus var. dumerili — BOULENGER 1921: 105
Acanthodactylus scutellatus var. inornatus — BOULENGER 1921: 104
Acanthodactylus scutellatus inornatus — BONS 1959
Acanthodactylus dumerili — BONS & GIROT 1964: 331
Acanthodactylus dumerili dumerili — SALVADOR 1982: 128 (part.)
Acanthodactylus dumerili exiguus — SALVADOR 1982: 130
Acanthodactylus scutellatus — ARNOLD 1983: 322 (part.)
Acanthodactylus dumerilii — SCHLEICH, KÄSTLE & KABISCH 1996: 400
Acanthodactylus scutellatus — HARRIS & ARNOLD 2000: 352 (part.)
Acanthodactylus dumerilii — CROCHET et al. 2003
Acanthodactylus senegalensis — CROCHET et al. 2003
Acanthodactylus dumerilii — TRAPE, CHIRIO & TRAPE 2012
Acanthodactylus dumerilii — LIZ et al. 2022 
DistributionSW/E Morocco (West-Sahara), Mauritania, Senegal, Mali, N Algeria, Tunisia, NW Libya.

Type locality: “Sénégal” (certainly not present-day Senegal, but probably another north-western Africa country within the range of A. dumerili as understood here; see CROCHET et al. 2003).

exiguus: Algerina; Type locality: Type locality: "En Algérie, à Biskra, Mraier, Tougourt, Bled Ahmar, Hadjira, N'Gouça, Tilremt, Laghouat, Ain el Hel et Bou-Saada. En Tunisie, à l'oued el Kreil, Kebili, Tozeur, et Nefta". Syntypes, not catalogued, but probably BM 1920.1.20.1349c (Bled Ahmar), 1920.1.20.1349 (Hadjira), 1920.1.20.1349d (Tilremt), 1920.1.20.1349e (Laghouat), 1920.1.20.1349i (Mraier), 1920.1.20.1349g (Biskra), 1920.1.20.3006 (Oued el Kreil) [Salvador 1982]

senegalensis: Mauritania, Western Sahara, Senegal, Mali, Algeria. Type locality: “Sangaleam, près de Rufisque”.  
Reproductionoviparous 
TypesLectotype: MNHN-RA 2759
Lectotype: BMNH 1946.9.3.76. Type locality: ‘Tripoli’, Libya [Scapteira inornata].
Syntypes (not catalogued but probably: BMNH 1920.1.20.1349c and BMNH 1920.1.20.1349c2 (Bled Ahmar), BMNH 1920.1.20.1349 (Hadjira), BMNH 1920.1.20.1349d (Tilremt), BMNH 1920.1.20.1349e and MNHN 5838B (Laghouat), BMNH 1920.1.20.1349i (Mraïer), BMNH 1920.1.20.1349g (Biskra), BMNH 1920.1.20.3006 (Oued el Kreil). see Salvador, 1982: 130 [exiguus].
Lectotype: BMNH 1920.1.20.1349. Type locality: originally ‘en Algérie, à Biskra, Mraïer, Tougourt, Bled Ahmar, Hadjira, N’Gouça, Tilremt, Laghouat, Aïn-el-Hel et Bou-Sâada; en Tunisie, à l’oued el Kreil (entre le plateau de Haouaïa et Ghumraçen), Kébili (dans le Nefzaoua), Tozeur, et Nefta (dans le Djérid)’, restricted to Hadjira, Algeria, by CROCHET et al. (2003) [exiguus].
Holotype: MNHN-RA 1918.0043 [senegalensis] 
DiagnosisDiagnosis: Small species with short, blunt snout. Five supralabials anterior to the subocular. Subocular not in contact with the upper lip. Ventrals arranged in 12 or 14 longitudinal rows. Fourth supraocular divided. Dorsals flat, large and sharply keeled. One or two rows of granules between the supraoculars and the superciliaries. Color pattern very faint or completely absent (Salvador 1982: 126).


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CommentSynonymy: Acanthodactylus dumerili, exiguus, audouini, and inornata were synonymized with A. scutellatus by ARNOLD (1983). Acanthodactylus senegalensis CHABANAUD 1918 has been removed from synonymy by CROCHET et al. (2003). However, Liz et al. (2022) confirmed that senegalensis is genetically indistinguishable from dumerilii and thus seems to be just an ecomorph.

Types: One of the syntypes of A. s. exiguus, (Biskra), the specimen BMNH 1920.1.20.1349c2 (Bled Ahmar) is in fact an A. longipes (CROCHET et al. 2003). 
Etymologynamed after one of the Duméril brothers. Le Floch-Prigent (2008) published a short biography of André Marie Constant Duméril (1774-1860).

A. senegalensis was named after the type locality. 
References
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  • Bauer, Aaron M.; Jonathan C. DeBoer , Dylan J. Taylor 2017. Atlas of the Reptiles of Libya. Proc. Cal. Acad. Sci. 64 (8): 155-318 - get paper here
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  • Bons, J. 1959. Les lacertiliens du sud-ouest Marocain; systematique, repartition geographique, ethologie, ecologie. Instit. Sci. Cherifien, Rabat, Trav. (Ser. Zool.) no. 18 130 pp.
  • Bons,J. & GIROT,B. 1964. Révision de l'espèce Acanthodactylus scutellatus (Lacertidé-Saurien). Bull. Soc. Sci. nat. phys. Maroc 42: 311-334 [1962]
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  • Chabanaud,P. 1918. Etude d’une collection de reptiles de l’Afrique occidentale francais. Bull. Mus. nation. Mist. nat. Paris 24: 160-166
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  • Liz, A. V., Rödder, D., Gonçalves, D. V., Velo‐Antón, G., Tarroso, P., Geniez, P., ... & Brito, J. C. 2022. Overlooked species diversity in the hyper‐arid Sahara Desert unveiled by dryland‐adapted lizards. Journal of Biogeography - get paper here
  • Martínez del Mármol, Gabriel; D. James Harris, Philippe Geniez, Philip de Pous, and Daniele Salvi 2019. Amphibians and Reptiles of Morocco. Edition Chimaira, Frankfurt am Main, Germany, 478 pp - get paper here
  • Mármol, Gabriel Martínez del; Ander Izagirre-Egaña, Sonke Frahm & Marco Sassoè 2023. Herpetofauna of Mauritania: results of a field survey. Bol. Asoc. Herpetol. Esp. (2023) 34 Preprint-101 - get paper here
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  • Schlüter, U. 2010. Fransenfingereidechsen (Acanthodactylus) in der Natur und im Terrarium. Teil 5b: Die Acanthodactylus-scutellatus-Gruppe. Reptilia (Münster) 15 (84): 62-66 - get paper here
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  • Sow, Andack Saad; Duarte Vasconcelos Gonçalves, Fábio Vieira Sousa, Fernando Martínez- Freiría, Frederico Santarém, Guillermo Velo-Antón, Hamidou Dieng, João Carlos Campos, Saer Khayar Diagne, Zbyszek Boratyński, José Carlos Brito 2017. Atlas of the distribution of amphibians and reptiles in the Diawling National Park, Mauritania. Basic and Applied Herpetology - get paper here
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