Comptus arboreus SCHOOLS & HEDGES, 2024
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Comptus arboreus
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| Higher Taxa | Diploglossidae, Diploglossa, Anguimorpha, Sauria, Squamata (lizards) |
| Subspecies | |
| Common Names | E: Tiburon Keeled Forest Lizard |
| Synonym | Comptus arboreus SCHOOLS & HEDGES 2024: 110 Celestus stenurus — Schwartz & Henderson 1991:378 |
| Distribution | Haiti Type locality: Belandier (5.0 km N Dame Marie), (18.58568, -74.40762; 24 m). |
| Reproduction | |
| Types | Holotype. ANSP 38540, an adult from collected by S. Blair Hedges and Richard Thomas on 26 July 2010. Paratypes (n=8). HAITI. Grand’Anse. ANSP 38538–39, an adult, S. Blair Hedges and Richard Thomas, Belandier (5.0 km N Dame Marie [turn back locality]), 26 July 2010; ANSP 38543, S. Blair Hedges and Richard Thomas, 1.5 km N Carcasse, 26 July 2010; KU 227117–8, ca 5 km (airline) S Dame Marie, 13 March 1966; SBH 191945–6, 0.8 km E of Dame Marie, 29 May 1991; SBH 269065, juvenile, Bourdon (9.2 km E Ause D’Hainalt). |
| Diagnosis | Diagnosis: Comptus arboreus sp. nov. has (1) a dorsal pattern of dots in series/dots in chevrons, (2) head markings absent/present, (3) markings in the longitudinal paramedian area present, (4) dots arranged in bars in the lateral band present, (5) an adult SVL of 93.2–123 mm, (6) ventral scale rows, 102–110, (7) midbody scale rows, 41–44, (8) total lamellae on one hand, 48–54, (9) total strigae on ten scales, 143–207, (10) relative length of all digits on one hindlimb, 37.4–39.7 %, (11) relative distance between the angled subocular and mouth, 0.723– 0.923 %, (12) relative eye length, 3.46–4.18 %, (13) relative forelimb length, 24.1–25.3 %, (14) relative ear width, 1.22–1.60 %, (15) relative rostral height, 1.53–1.85 %, (16) relative head length, 15.5–18.0 %, (17) relative mental width, 1.54–1.74 %, (18) relative postmental width, 2.95–3.01 %, (19) relative cloacal width, 9.05–9.51 %, (20) relative prefrontal width, 4.50–4.82 %, (21) relative largest supraocular width, 2.61–3.05 %, (22) relative longest finger length, 6.01–6.37 %, (23) relative distance between the ear and eye, 6.45–7.03 %, (24) relative head width, 71.7–80.3 %, (25) relative frontal width, 62.6–71.4 %, (26) relative nasal height, 1.03–1.20 %, (27) relative angled subocular height, 0.929–0.992 %, (28) relative distance between the eye and naris, 5.11–5.52 %, (29) relative canthal iii length, 1.86–1.94 %, (30) relative angled subocular width, 2.82–3.28 %, and (31) relative nasal length, 1.47–1.99 %. The species stem time is 2.38 Ma and the species crown time is 0.02 Ma (Fig. 4). Comptus arboreus differs from all other species of the genus in having the largest relative length of digits on one hindlimb (37.4–39.7). From Comptus alloeides, we distinguish C. arboreus sp. nov. by the adult SVL (93.2–123 versus 124–161), the total strigae on ten scales (143–207 versus 237–323), the relative length of digits on one hindlimb (37.4– 39.7 versus 23.8–35.2), and the relative longest finger length (6.01–6.37 versus 5.32–5.95). From C. badius, we distinguish C. arboreus sp. nov. by the dorsal pattern (dots in series/dots in chevrons versus irregular dots/mottled), the total lamellae on one hand (48–54 versus 40–45), the relative length of digits on one hindlimb (37.4–39.7 versus 23.4–33.9), the relative forelimb length (24.1–25.3 versus 19.6–23.0), the relative mental width (1.54–1.74 versus 1.38), the relative postmental width (2.95–3.01 versus 2.39), the relative longest finger length (6.01–6.37 versus 4.38–5.04), the relative head width (71.7–80.3 versus 62.8–69.3), and the relative angled subocular width (2.82–3.28 versus 1.91–2.31). From C. maculatus, we distinguish C. arboreus sp. nov. by the dorsal pattern (dots in series/dots in chevrons versus absent/chevrons), the adult SVL (93.2–123 versus 60.1–81.3), the total lamellae on one hand (48–54 versus 32–37), the relative length of digits on one hindlimb (37.4–39.7 versus 24.8–27.0), the relative forelimb length (24.1–25.3 versus 19.3–21.6), the relative postmental width (2.95–3.01 versus 2.32–2.86), the relative longest finger length (6.01–6.37 versus 4.14–5.01), the relative width of canthal iii (1.86–1.94 versus 1.73–1.85), and the relative angled subocular width (2.82–3.28 versus 2.25–2.52). From C. stenurus, we distinguish C. arboreus sp. nov. by the relative length of digits on one hindlimb (37.4–39.7 versus 29.2–37.1) and the relative angled subocular height (0.929–0.992 versus 0.697–0.893). From C. weinlandi, we distinguish C. arboreus sp. nov. by the relative length of digits on one hindlimb (37.4–39.7 versus 24.5–36.5) and the relative postmental width (2.95–3.01 versus 2.57–2.91). Additional details (789 characters) are available for collaborators and contributors. Please contact us for details. |
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