Aspidoscelis cozumela (GADOW, 1906)
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Aspidoscelis cozumela
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| Higher Taxa | Teiidae, Teiinae, Gymnophthalmoidea, Sauria, Squamata (lizards) |
| Subspecies | |
| Common Names | E: Cozumel Racerunner S: Cuiji de Cozumel |
| Synonym | Cnemidophorus deppei var. cozumela GADOW 1906: 316 Cnemidophorus deppii cozumelus — BURT 1931: 63 Cnemidophorus cozumelus — MCCOY & MASLIN 1962 Cnemidophorus deppii cozumelus — SMITH & TAYLOR 1950: 179 Cnemidophorus cozumela — PETERS et al. 1970: 93 Cnemidophorus cozumela cozumela — MASLIN & SECOY 1986 Cnemidophorus cozumelae — LINER 1994 Cnemidophorus cozumelae — KÖHLER 2000: 100 Cnemidophorus cozumela — KÖHLER 2003: 160 Aspidoscelis cozumela — REEDER et al. 2002 Aspidoscelis cozumela — TAYLOR et al. 2005 Aspidoscelis cozumelae — LINER 2008: 48 Aspidoscelis cozumelae — HEDGES et al. 2019 |
| Distribution | S Mexico (Quintana Roo; Campeche, Mujeres and Cozumel Island), Belize (Turneffe Atoll) Type locality: Cozumel Island, east coast of Quintana Roo (fide SMITH & TAYLOR 1950). |
| Reproduction | Oviparous. Parthenogenetic species. Considered as valid species by some authors (STAFFORD, pers. comm.). Belongs to the Aspidoscelis cozumela group (fide REEDER et al. 2002). |
| Types | Syntypes: BMNH 1886.4.15.17-20 |
| Diagnosis | Diagnosis: The brown-backed race-runner may be distinguished as follows: supraoculars normally 3; parietals 3; postantebrachium covered with small polygones or seutes; anal spurs absent; each side with 2-5 narrow, wavy, irregular, light lines; back unicolor, with an unusually wide, yellowish brown, longitudinal band present; ground color of sides dark reddish brown, in abrupt contrast to color of dorsal band; sides and femora never with conspicuous white or blue spots; lower surfaces white or light blue. This subspecies is easily distinguished from other forms of Cnemidophorus by these characters and is approached only by a phase of deppii which sometimes appears in southern Mexico and adjacent areas to the south, from which it may be separated by the usually wide dorsal band and the unusually wavy, irregular, stripes on the sides. (Burt 1931) Unfortunately we had to temporarily remove additional information as this was scraped by multiple AI companies who sell that data to their customers. These details, e.g. detailed descriptions or comparisons (about 3307 characters) are available for collaborators and contributors. Please contact us for details. |
| Comment | Subspecies: Aspidoscelis cozumelae maslini (FRITTS 1969) and Aspidoscelis cozumelae rodecki (MCCOY & MASLIN 1962) have been elevated to full species status. The Aspidoscelis cozumela complex of parthenogenetic lizards of the Yucatán Peninsula originated from hybridization between individuals of Aspidoscelis angusticeps (maternal) and Aspidoscelis deppii deppii (paternal) followed by postorigin clonal divergence. Although morphological and karyotypic patterns of variation among Aspidoscelis cozumela, northern populations of Aspidoscelis maslini, and Aspidoscelis rodecki can be explained by either one-hybridization or two-hybridization models, the most parsimonious alternative is a single hybridization event followed by postformational divergence (Taylor et al. 2014). |
| Etymology | Named after the type locality, Cozumel Island. Since the name is a feminine genitive noun it remains feminine, as determined by the original author. |
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