Anolis richteri (DUNN, 1944)
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Anolis richteri
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| Higher Taxa | Anolidae, Iguania, Sauria, Squamata (lizards) |
| Subspecies | |
| Common Names | E: Flat Andes Anole |
| Synonym | Phenacosaurus richteri DUNN 1944 (fide LAZELL 1969) Anolis richteri — MORENO-ARIAS et al. 2023 |
| Distribution | Colombia (Cundinamarca, Caldas) Type locality: “Tabio, Cundinamarca” |
| Reproduction | oviparous |
| Types | Holotype. ICN 5974. Adult male, dewlap present, en- larged postanal scales. From Tabio, Cundinamarca de- partment, Colombia (4.9167°N –75.1000°W, 2645 m), collected by Friedrich Medem. Paratypes. ICN 5975 (adult female), 5976, 5977 (juve- nile males). All paratypes have the same locality and col- lector data as the holotype (fide Arias-Moreno et al. 2023) |
| Diagnosis | Diagnosis: Anolis heterodermus shares short limbs, a large, casqued head, a prehensile tail without caudal autotomy, and lamellar subdigital scales of all digits extending from the most proximal phalanges with the other species of the Phenacosaurus clade. Anolis heterodermus differs from A. proboscis, A. orcesi, A. euskalerriari and A. nicefori by the presence of granular scales surrounding dorsal heterogeneous flat scales. From A. richteri, A. tequendama sp. nov., A. tetarii, A. vanzolinii, A. inderenae and A. quimbaya sp. nov., by the presence of a unicoloured purple, red, or black dewlap and a U-shaped crown. Anolis heterodermus further differs from A. richteri, A. tequendama sp. nov., A. tetarii, A. vanzolinii, and A. quimbaya sp. nov., by the presence of a continuous row of enlarged sublabials reaching the mouth commissure; from A. vanzolinii, A. tequendama sp. nov. and A. quimbaya sp. nov. by a continuous nuchal crest; and from A. vanzolinii by < 24 expanded lamellae under second and third phalange of fourth toe and < 35 lamellae in total fourth toe. (Moreno-Arias et al. 2023) |
| Comment | Synonymy: Lazell 1969 synonymized A. richteri with A. heterodermus. Moreno-Arias et al. 2023 revalidated A. richteri. Types: Despite the fact that Dunn (1944) assigned a holotype for A. richteri, he did not indicate the museum numbers of the specimens used for the type series. Posteriorly, Medem (1965) documented the specimens belonging to the series of Anolis richteri (holotype MCZ 69120 and paratypes MCZ 69121, 69122 and 69123), also indicating that the three specimens come from the same locality and suggesting that the remaining specimens, from other localities, used by Dunn could be A. richteri as well. The series was posteriorly returned to Colombia and currently is catalogued with museum numbers ICN 5974 (Holotype), ICN 5975, ICN 5976, and ICN 5977 (Paratypes). Since a series was explicitly assigned it is not necessary to declare a new taxonomic act (e.g., assignment of lectotype and paralectotypes) but re-erect A. richteri as valid species as Dunn (1944) originally documented and our integrative lines of evidence revealed. In addition, because both Dunn (1944) and Lazell (1969) described and synonymized the species based on evidence including samples of several lineages, a redescription of the name-bearing types of A. richteri is necessary. (Moreno-Arias et al. 2023) |
| Etymology | Named after Dunn’s friend Dr. Leopold Richter, whose EI Delirio specimen were the first Dunn saw, and whose photographs of this specimen and of a heterotiermus from the same area illustrate his paper. |
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