Uta tumidarostra GRISMER, 1994
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Uta tumidarostra
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| Higher Taxa | Phrynosomatidae, Sceloporinae, Iguania, Sauria, Squamata (lizards) |
| Subspecies | |
| Common Names | E: Swollen-nosed Side-blotched Lizard S: Mancha lateral Narigona |
| Synonym | Uta tumidarostra GRISMER 1994: 461 Uta tumidarostra encantadae — UPTON & MURPHY 1997 Uta tumidarostra — GRISMER 1999 Uta tumidarostra — LINER 2007 Uta tumidarostra — HEIMES 2022 |
| Distribution | Mexico (Islas Encantadas Archipelago, Gulf of California) Type locality: Isla Coloradito, Baja California, Gulf of California, México. |
| Reproduction | oviparous |
| Types | Holotype: UA 49587; paratypes: SDSNH |
| Diagnosis | Diagnosis: Uta tumidarostra tentatively can be distinguished from all other species of Uta by having divided prefrontal scales. It is distinguished further from U. nolascensis, U. squamata, U. stansburiana, U. antiqua, U. stellata, and U. palmeri by having long and narrow, laterally directed postzygapophyseal processes of the atlas vertebra and a hypertrophied nasal salt gland with the accompanying morphological rearrangements of the rostrum(see above). It differs from U. lowei and U. encantadae by having smaller dorsal scales (measured as a significantly greater mean number of dorsals:Table1), squarish frontoparietals with broad medial contact, its larger body size, a more dense network of turquois dorsal body spots, and lacking an offset paravertebral pattern of dark blotches in adult males. It further differs from U. lowei in having the posterior mylohyoid foramen deep within the angular as opposed to being located between the angular and surangular, weakly, as opposed to strongly keeled dorsals, the presence of a parietal sulcus,orange or blue as opposed to yellow spots in the lateral gular region of adult males, and a dark gray to black as opposed to an off-white to light gray ventrum. It further differs from U. encantadae by having a much more dense networkof turquois spots on the dorsum in adult males (Grismer 1994). |
| Comment | Upton, D. E. & R. W. Murphy. 1997. Mol. Phylog. Evol. 8(1):104-113. Sugieren que las tres especies de arriba sean tratadas como subespecies de Uta stansburiana. Este es rechazado por Grismer, L. L. 1999. Herpetologica 55(4):446-469. Aquí se sigue lo propuesto por Grismer, ya que Upton & Murphy no utilizaron tejidos de las especies descritas por Grismer en su análisis [cited from FLORES-VILLELA & CANSECO-MÁRQUEZ 2004]. Abundance: only known from the type locality (Meiri et al. 2017). Diet: > 70% of this species’ diet appears to consist of isopoda (Grismer 1994). |
| Etymology | The name tumidarostra comes from the Latin tumidus meaning swollen or puffed up and the Latin rostrum meaning "that which gnaws" which, used in an altered state means "things resembling a snout".Tumidarostra refers to the swollen appearance of the rostrum of this species. |
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