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Alinea lanceolata (COPE, 1863)

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Higher TaxaScincidae, Mabuyinae, Scincoidea, Sauria, Squamata (lizards) 
Subspecies 
Common NamesBarbados Skink 
SynonymMabuia lanceolata COPE 1863:187
Mabuya agilis — BOCOURT 1879: 395 (part)
Mabuia sloanii — BOULENGER 1887: 193 (part)
Mabuia agilis — FIELDEN, 1889: 297 (part)
Mabuya lanceolata — BARBOUR 1914: 320
Mabuya mabouia — BARBOUR, 1930: 105 (part)
Mabuya mabouia — BARBOUR 1935: 129 (part)
Mabuya mabouya mabouya — DUNN 1936: 544 (part)
Mabuya mabouia — BARBOUR 1937: 147 (part)
Mabuya mabouya mabouya — GRANT 1959: 101 (part)
Mabuya lanceolata — UNDERWOOD 1963: 83
Mabuya mabouya mabouya — PETERS & DONOSO-BARROS 1970: 200 (part)
Mabuya mabouya mabouya — SCHWARTZ & THOMAS 1975: 141 (part)
Mabuya mabouya mabouya — MACLEAN et al. 1977: 40 (part)
Mabuya mabouya mabouya — SCHWARTZ & HENDERSON 1988: 150 (part)
Mabuya mabouya mabouya — SCHWARTZ & HENDERSON 1991: 457 (part)
Mabuya bistriata — POWELL et al. 1996: 82 (part)
Mabuya bistriata — MALHOTRA & THORPE 1999: 97 (part)
Mabuya sloanii — MAYER & LAZELL, 2000: 883 (part)
Mabuya mabouya — BREUIL, 2002: 267 (part)
Mabuya mabouya — MIRALLES, 2005: 49 (part)
Mabuya mabouya — HENDERSON & POWELL 2009: 292 (part)
Alinea lanceolata — HEDGES & CONN 2012 
DistributionBarbados  
Reproduction 
TypesLectotype: USNM 6041 (formerly 6041A); paralectotype: USNM 572080, (formerly 6041B), collected by Professor Theodore Gill on Barbados. 
DiagnosisDiagnosis (genus). Species in this genus are characterized by (1) frontoparietals, two, (2) supraciliaries, 4–5, (3) supraoculars, four, (4) prefrontal contact, absent (rarely prefrontals in point contact in Alinea luciae), (5) parietal contact, present, (6) rows of nuchals, 1–3, (7) dorsals + ventrals, 116–136, (8) total digital lamellae, 231–259, (9) a dark middorsal stripe, absent, (10) dark dorsolateral stripes, absent, (11) a dark lateral stripe, absent (weakly visible, anteriorly, in A. berengerae), and (12) dark ventral stripes, present (A. lanceolata and A. luciae). Maximum body sizes in this genus range from 60–109 mm SVL (Table 2).

Diagnosis. Alinea lanceolata is characterized by (1) maximum SVL in males, 82.2 mm; (2) maximum SVL in females, 93.8 mm; (3) snout width, 1.90–2.71% SVL; (4) head length, 16.3–17.8% SVL; (5) head width, 11.2– 12.8% SVL; (6) ear length, 1.23–2.24% SVL; (7) toe-IV length, 9.25–10.8% SVL; (8) prefrontals, two; (9) supraoculars, four; (10) supraciliaries, four (67%), five (33%); (11) frontoparietals, two; (12) supralabial below the eye, five (67%), six (33%); (13) nuchal rows, one; (14) dorsals, 59–61; (15) ventrals, 63–71; (16) dorsals + ventrals, 122–130; (17) midbody scale rows, 30–32; (18) finger-IV lamellae, 13–15; (19) toe-IV lamellae, 15–18; (20) finger-IV + toe-IV lamellae, 28–33; (21) supranasal contact, Y (33%), N (67%); (22) prefrontal contact, N; (23) supraocular-1/frontal contact, Y (33%), N (67%); (24) parietal contact, Y; (25) pale middorsal stripe, N; (26) dark dorsolateral stripe, N; (27) dark lateral stripe, N; (28) pale lateral stripe, N; and (29) palms and soles, pale (Tables 3–5).
Within the Genus Alinea, A. lanceolata is distinguished from A. berengerae by having more midbody scale rows (30–32 versus 28), a shorter head (head length 16.3–17.8% SVL versus 19.0% in A. berengerae), shorter toes (toe-IV length 9.25–10.8% SVL versus 12.8%), and a non-attenuate body shape (attenuate in A. berengerae). It differs from A. luciae by having more dorsals (59–61 versus 54–57) and one row of nuchals (2–3 rows in A. luciae). From A. pergravis, it differs by having fewer dorsals + ventrals (122–130 versus 132–136 in A. pergravis), shorter toes (toe-IV 9.25–10.8% SVL versus 11.4–13.2%), and a non-attenuate body shape (attenuate in A. pergravis) [HEDGES & CONN 2012]. 
CommentSynonymy after HEDGES & CONN 2012.

Type species: Mabuya pergravis BARBOUR 1921: 85 is the type species of the genus Alinea HEDGES & CONN 2012.

Phylogenetics: Marisora and Alinea were recovered as non-monophyletic groups by PINTO-SÁNCHEZ et al. 2015, hence these authors suggested to synonymize Alinea with Mabuya.

Abundance: only known from the type locality (Meiri et al. 2017). 
EtymologyThe species name (lanceolata) is a feminine Latin adjective, meaning spear-like, referring to the acuminate head shape, although this feature is a characteristic of the entire genus Alinea and even more evident in A. pergravis. 
References
  • Barbour, T. 1935. A second list of Antillean reptiles and amphibians. Zoologica 19 (3): 77-141 - get paper here
  • Barbour, Thomas 1914. A Contribution to the Zoögeography of the West Indies, with Especial Reference to Amphibians and Reptiles. Memoirs of the Museum of Comparative Zoölogy 44 (2): 205-359 - get paper here
  • Barbour, Thomas 1930. A list of Antillean Reptiles and Amphibians. Zoologica 11 (4): 61-116 - get paper here
  • Barbour, Thomas 1930. Some faunistic changes in the Lesser Antilles. Proc. New England Zool. Club 11: 73-85
  • Barbour,T. 1937. Third list of Antillean reptiles and amphibians. Bull. Mus. comp. Zool. Harvard 82 (2): 77-166 - get paper here
  • Bocourt, M. F. 1879. Etudes sur les reptiles, p. i-xiv, 1-1012. In Recherches Zoologiques pour servir a l'Histoire de Ia Faune de l'Amérique Centrale et du Mexique. Mission Scientifique au Mexique et dans l'Amérique Centrale, Recherches zoologiques. Part 2, sect. 1; In A Imprimerie Impériale, Paris [3, Pt. 6], pp. 360–440. - get paper here
  • Breuil, H. 2002. Histoire Naturelle des Amphibiens et Reptiles de l’Archipel Guadeloupéen: Guadeloupe, Saint-Martin, Saint-Barthélemy. Patrimoines naturels 54: 339 pp.
  • Cope, E.D. 1863. Contributions to Neotropical saurology. Proc. Acad. Nat. Sci. Philadelphia 14 [1862]: 176-188. - get paper here
  • Grant, C. 1959. Herpetology of Barbados, B.W.I. Herpetologica 15 (2): 97-101 - get paper here
  • Hedges, S.B. & Conn, C.E. 2012. A new skink fauna from Caribbean islands (Squamata, Mabuyidae, Mabuyinae). Zootaxa 3288: 1–244 - get paper here
  • Malhotra, A. & Thorpe, R.S. 1999. Reptiles & Amphibians of the Eastern Caribbean. MacMillan, London & Oxford
  • Mayer,G.C. & Lazell,J. 2000. A new species of Mabuya (Sauria: Scincidae) from the British Virgin Islands. Proc. Biol. Soc. Washington 113 (4): 871-886 - get paper here
  • Meiri, Shai; Aaron M. Bauer, Allen Allison, Fernando Castro-Herrera, Laurent Chirio, Guarino Colli, Indraneil Das, Tiffany M. Doan, Frank Glaw, Lee L. Grismer, Marinus Hoogmoed, Fred Kraus, Matthew LeBreton, Danny Meirte, Zoltán T. Nagy, Cristiano d 2017. Extinct, obscure or imaginary: the lizard species with the smallest ranges. Diversity and Distributions - get paper here
  • Miralles, A. 2005. The identity of Lacertus mabouya LACÉPÈDE 1788, with description of a neotype: an approach toward the taxonomy of new world Mabuya. Herpetologica 61 (1): 46-53 - get paper here
  • Peters, James A. & Donoso-Barros, Roberto 1970. Catalogue of the Neotropical Squamata: Part II. Lizards and Amphisbaenians. Bull. US Natl. Mus. 297: 293 pp. - get paper here
  • Pinto-Sánchez, Nelsy Rocío; Martha L. Calderón-Espinosa, Aurelien Miralles, Andrew J. Crawford, Martha Patricia Ramírez-Pinilla 2015. Molecular phylogenetics and biogeography of the Neotropical skink genus Mabuya Fitzinger (Squamata: Scincidae) with emphasis on Colombian populations. Molecular Phylogenetics and Evolution, doi:10.1016/j.ympev.2015.07.016 - get paper here
  • Powell, R., R. W. Henderson, K. Adler, And H. A. Dundee. 1996. An annotated checklist of West Indian amphibians and reptiles. In R. Powell and R. W. Henderson (eds.), Contributions to West Indian Herpetology: A Tribute to Albert Schwartz, p.51-93. Society for the Study of Amphibians and Reptiles, Ithaca (New York). Contributions to Herpetology, volume 12.
  • Schwartz, A. & Henderson, R.W. 1988. West Indian Amphibian and Reptiles: A Checklist. Milwaukee Publ. Mus. Contr. Biol. Geol. No. 74: 264 pp.
  • Schwartz, A. & Henderson, R.W. 1991. Amphibians and Reptiles of the West Indies. University of Florida Press, Gainesville, 720 pp.
  • Schwartz, A. and R. Thomas. 1975. A checklist of West Indian amphibians and reptiles. Carnegie Mus. Nat. Hist. Spec. Publ. 1:1-216.
 
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