Sceloporus gadsdeni CASTAÑEDA-GAYTÁN & DÍAZ-CÁRDENAS, 2017
Can you confirm these amateur observations of Sceloporus gadsdeni?
|Higher Taxa||Phrynosomatidae, Sceloporinae; Iguania, Sauria, Squamata (lizards)|
|Common Names||E: Lagoon Spiny Lizard|
|Synonym||Sceloporus gadsdeni CASTAÑEDA-GAYTÁN & DÍAZ-CÁRDENAS in DÍAZ-CÁRDENAS et al. 2017|
Type locality: 25°39 ́12’’ N, 103°10 ́21’’ W at the Sierra de San Lorenzo, Coahuila. Ca. 1169 m elevation.
|Types||Holotype: CHFCB 0163 (Colección Herpetológica Facultad de Ciencias Biológicas), adult male, collected on May 2nd 2016, by Gamaliel Castañeda-Gaytán (Figs. 5A,B; 6A-C in DÍAZ-CÁRDENAS et al. 2017). Paratypes: One male (CHFCB 0165: N 25°39 ́12’’ W 103°10 ́21’’) and 2 females (CHFCB 0164: N 25°39 ́12’’ W 103°10 ́21’’; CHFCB 0166: N 25°39 ́08’’ W 103°10 ́28’’) from the Sierra San Lorenzo (see details in Table 2), Coahuila, Mexico.|
|Diagnosis||Diagnosis: This species differs from S. cyanostictus in the dorsal color pattern (live), which is completely green with two dominant tonalities (metallic green and turquoise). The ventral pattern has a blue patch that joins in the middle of the belly and the chest with black borders in males; in contrast, in S. cyanostictus the chest and undersurfaces of arms are pale grayish blue with melanin specks, each flank has a poorly defined bluish black belly patch sometimes without contact in the middle of the belly. According to currently available published information, S. cyanostictus from eastern Coahuila has 6 superciliars and 6 infralabials (Axtell and Axtell, 1971), while S. gadsdeni has 4 superciliar scales on each side of the head and 5 infralabials with uncertainty on this character due to sample size (Table 2).|
|Comment||Distribution: The distribution of S. gadsdeni is restricted to the Sierras Texas, Solis and San Lorenzo mountain ranges in southwestern Coahuila. These mountains are separated from the location of S. cyanostictus by ca. 190 km as the crow flies and immersed within the low Mayran Basin.|
Habitat: rock walls, boulders and canyons.
|Etymology||This species is named in honor of Hector Gadsden, a researcher who has made praiseworthy contributions to the ecology and conservation of the herpetofauna of La Comarca Lagunera and the Chihuahuan Desert. The suggested common name alludes to its restricted distribution within the La Comarca Lagunera region.|