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Sphiggurus mexicanus is a Mesoamerican endemic, found from central Mexico (Oaxaca and Yucatan) south to the Isthmus of Panama. Related species are found in South America (S. insidious, S. spinosus, S. villosus). Sphiggurus laenatus, formerly considered a subspecies of S. mexicanus, is sympatric in Panama. Due to taxonomic uncertainties, some studies have listed S. mexicanus or a synonym (Coendou mexicanus) as far south as Brazil and Ecuador.
Biogeographic Regions: neotropical (Native )