Mesoamericus
Mesoamericus bilobatus,  also known commonly as O'Shaughnessy's galliwasp, is a species of lizard in the family Diploglossidae. The species is native to Central America. Taxonomy
A 2021 study found M. bilobatus to not belong to the genus Diploglossus (which is otherwise only found in South America and the Caribbean), but rather to belong to the monotypic genus Mesoamericus in the subfamily Siderolamprinae. Geographic range
M. bilobatus is found in Costa Rica, Nicaragua, and Panama. Habitat
The preferred natural habitat of M. bilobatus is forest, at altitudes of . Description
M. bilobatus has sheathed claws, which Boulenger (1885) described as "claws nearly entirely concealed in a large compressed sheath formed of a larger supero-lateral and a smaller inferior scale". Behavior
M. bilobatus is diurnal, terrestrial, and semifossorial. Reproduction
M. bilobatus is oviparous. References

Further reading
Boulenger GA (1885). Catalogue of the Lizards in the British Museum (Natural History). Second Edition. Volume II. Iguanidæ, Xenosauridæ, Zonuridæ, Anguidæ, Anniellidæ, Helodermatidæ, Varanidæ, Xantusiidæ, Teiidæ, Amphisbænidæ. London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xiii + 497 pp. + Plates I–XXIV. (Diploglossus bilobatus, pp. 286–287). Lotzkat, Sebastian; Stadler, Leonhard; Carrizo, Arcadio; Hertz, Andreas; Köhler, Gunther (2010). "Notes on the easternmost population of Diploglossus bilobatus (Squamata: Anguidae) in Veraguas, Panama". Salamandra 46 (1): 59–62. O'Shaughnessy AWE (1874). "Description of a new Species of Lizard of the Genus Celestus ". Annals and Magazine of Natural History, Fourth Series 14: 257–258. (Celestus bilobatus, new species). Savage JM (2002). The Amphibians and Reptiles of Costa Rica: A Herpetofauna between Two Continents, between Two Seas. Chicago and London: University of Chicago Press. xx + 945 pp. . Diploglossidae
Reptiles of Costa Rica
Reptiles of Panama
Reptiles of Nicaragua
Taxa named by Stephen Blair Hedges