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Spondylurus martinae HEDGES & CONN, 2012

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Higher TaxaScincidae, Mabuyinae (Mabuyini), Scincoidea, Sauria, Squamata (lizards)
Subspecies 
Common NamesE: Saint Martin Skink 
SynonymSpondylurus martinae HEDGES & CONN 2012: 174
Mabuya mabouia — BARBOUR, 1935:129 (part)
Mabuya mabouya sloanii — DUNN, 1936:544 (part)
Mabuya mabouia — BARBOUR, 1937:147 (part)
Mabuya mabouya sloanei — SCHWARTZ & THOMAS, 1975:141 (part)
Mabuya mabouya mabouya — MACLEAN et al., 1977:36 (part)
Mabuya mabouya sloanei — SCHWARTZ & HENDERSON, 1988:151 (part)
Mabuya mabouya sloanei — SCHWARTZ & HENDERSON, 1991:457 (part)
Mabuya bistriata — POWELL et al., 1996:82 (part)
Mabuya sloanii — MAYER & LAZELL, 2000:883 (part)
Mabuya sloanii — BREUIL, 2002:273 (part) 
DistributionSt. Martin, Little Bay

Type locality: Little Bay, St. Martin  
Reproduction 
TypesHolotype: MCZ R-86418, an adult female, collected in the vicinity of Little Bay, St. Martin, by G. A. Scamon (no other data). Date of accession, 1965. Paratypes (n = 8). St. Martin. MCZ R-86419 (paratopotype), same collection data as holotype; ANSP 9503– 07 and 9414–15, collected by H. E. Rijgersma, no specific locality, date unrecorded, but probably 1863–77 (see Remarks). 
DiagnosisDiagnosis: Spondylurus martinae sp. nov. is characterized by (1) maximum SVL in males, not available; (2) maximum SVL in females, 83.1 mm; (3) snout width, 2.15–2.78% SVL; (4) head length, 15.0–17.1% SVL; (5) head width, 9.97–12.3% SVL; (6) ear length, 1.27–1.93% SVL; (7) toe-IV length, 8.22–10.5% SVL; (8) prefrontals, two; (9) supraoculars, three (78%), four (22%); (10) supraciliaries, four; (11) frontoparietals, two; (12) supralabial below the eye, five (56%), six (44%); (13) nuchal rows, one (20%), two (40%), three (40%); (14) dorsals, 56–65; (15) ventrals, 68–71; (16) dorsals + ventrals, 124–133; (17) midbody scale rows, 32–34; (18) finger-IV lamellae, 13–17; (19) toe-IV lamellae, 15–19; (20) finger-IV + toe-IV lamellae, 28–36; (21) supranasal contact, Y (11%), N (89%); (22) prefrontal contact, Y (11%), N (89%); (23) supraocular-1/frontal contact, Y (67%), N (33%); (24) parietal contact, Y; (25) pale middorsal stripe, Y; (26) dark dorsolateral stripe, Y; (27) dark lateral stripe, Y; (28) pale lateral stripe, Y; and (29) palms and soles, pale (Tables 3–5).


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CommentDunn (1936) considered skinks from St. Martin, part of the Anguilla Bank in the northern Lesser Antilles, to be intermediate between his races of Mabuya mabouya. He did this because of the presence of dark dorsolateral stripes (a "M. mabouya sloanii" character) and a combination of characters from that race and "M. m. mabouya" (three and four supraoculars, one and multiple nuchal rows). However, supraoculars are frequently variable in species, and our counts of nuchals indicate a higher proportion of specimens of S. martinae sp. nov. with multiple rows of nuchals. Although no DNA data are available, the bold dorsolateral stripes (dark and pale) of S. martinae sp. nov. place that species in the Genus Spondylurus. The smaller maximum body size (83 mm SVL versus ~100 mm SVL in species of the Genus Mabuya) and presence of multiple nuchals in most specimens of S. martinae sp. nov. further support its placement in the Genus Spondylurus [HEDGES & CONN 2012].

Abundance: only known from its original description (Meiri et al. 2017). 
EtymologyThe species name (martinae) is a feminine genitive singular noun referring to the distribution of the species on the island of St. Martin. 
References
  • Hedges, S.B. & Conn, C.E. 2012. A new skink fauna from Caribbean islands (Squamata, Mabuyidae, Mabuyinae). Zootaxa 3288: 1–244 - get paper here
  • Lorvelec O, Pisanu B, Schmitt A, Vallon T. 2013. Spondylurus martinae (Saint Martin Skink). Distribution. Caribbean Herpetology 39: 1 - 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
  • Thorpe, R.S. 2022. Reptiles of the Lesser Antilles. Chimaira, Frankfurt, 608 pp. - get paper here
 
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