Siderolamprus hylaius (SAVAGE & LIPS, 1993)

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Higher Taxa	Diploglossidae, Diploglossa, Anguimorpha, Sauria, Squamata (lizards)
Subspecies
Common Names
Synonym	Celestus hylaius SAVAGE & LIPS 1993: 827 Celestus hylaius — KÖHLER 2000: 41 Celestus hylaius — KÖHLER 2008 Siderolamprus hylaius — SCHOOLS & HEDGES 2021
Distribution	Costa Rica (Caribbean side), elevation 40-360 m Type locality: La Selva Biological Station, 40 m elevation, Canton de Sarapiquí, Heredia, Costa Rica
Reproduction	ovoviviparous
Types	Holotype: LACM 138541; paratypes: UCR, KU, CRE, LACM
Diagnosis	Diagnosis: A moderate-sized Celestus (maximum standard length 106.85 mm) with a dorsal pattern of light and dark spots that tend to align vertically on the flank to form obscure bars and paired longitudinal, lateral stripes on a greenish ground colour. It differs most obviously from the Mexican and Central American species, Celestus enneagrammus and C. bivittatus, in colouration (Figs. 2-3) and in having 22 to 27 lamellae under the fourth toe, versus 14 to 18 in the other two species (Table 2). The new form is distinguished from the two other Costa Rican species, C. cyanochloris and C. orobius, by having more transverse dorsal scale rows (76 to 81 versus 65 to 73) and in colouration. The new form is most similar to C. rozellae of southern Mexico and northern Central America in scalation (Table 4), but rozellae lacks both the light-tipped black scales scattered over the body, and any hint of dorsolateral stripes; and has very distinct, dark-margined, vertical light bars on the neck and often on the flanks. The new species cannot be confused with C. montanus of Honduras since that form has three plates (2 prefrontals and a frontonasal) bordering the prefrontal shield anteriorly, while all other mainland Celestus, including C. hylaius, have a single large shield in that position. (Savage & Lips 1993) 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 4862 characters) are available for collaborators and contributors. Please contact us for details.
Comment
References	Köhler, G. 2000. Reptilien und Amphibien Mittelamerikas, Bd 1: Krokodile, Schildkröten, Echsen. Herpeton Verlag, Offenbach, 158 pp. Köhler, G. 2008. Reptiles of Central America. 2nd Ed. Herpeton-Verlag, 400 pp. Lotzkat, Sebastian, Andreas Hertz and Gunther Köhler 2016. A new species of Celestus (Squamata: Anguidae) from western Panama. Mesoamerican Herpetology 3(4): 962–975 - get paper here Sasa, M., Arias, E., & Chaves, G. 2025. Annotated list of amphibians and reptiles of Costa Rica: The role of the Museum of Zoology in cataloging the country’s herpetological diversity. Revista de Biología Tropical, 73(S2): e64536-e64536 - get paper here Savage, J.M. 2002. The Amphibians and Reptiles of Costa Rica: A Herpetofauna Between Two Continents, Between Two Seas. University of Chicago Press, 934 pp. [review in Copeia 2003 (1): 205] Savage, J.M. & K.R. Lips 1993. A review of the status and biogeography of the lizard genera Celestus and Diploglossus (Squamata: Anguidae), with description of two new species from Costa Rica. Revista de Biologia Tropical 41 (3b): 817-842 - get paper here Savage, JM; Lips, KR; Ibáñez RD 2008. A new species of Celestus from west-central Panama, with consideration of the status of the genera of the Anguidae: Diploglossinae (Squamata). Revista de Biologia Tropical 56 (2): 845-859 - get paper here SCHOOLS, MOLLY & S. BLAIR HEDGES 2021. Phylogenetics, classification, and biogeography of the Neotropical forest lizards (Squamata, Diploglossidae). Zootaxa 4974 (2): 201–257 - get paper here
External links	IUCN Red List Google images

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