Coronelaps
''Coronelaps'' is a genus of snake in the family Colubridae that contains the sole species ''Coronelaps lepidus''. It is also known as the Minas Gerais snake or crowned burrowing snake. It is endemic to Brazil. References

Dipsadinae Monotypic snake genera Snakes of Brazil Endemic reptiles of Brazil Reptiles described in 1861 {{Dipsadinae-stub ...
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Colubridae
Colubridae (, commonly known as colubrids , from la, coluber, 'snake') is a family of snakes. With 249 genera, it is the largest snake family. The earliest species of the family date back to the Oligocene epoch. Colubrid snakes are found on every continent except Antarctica. Description While most colubrids are not venomous (or have venom that is not known to be harmful to humans) and are mostly harmless, a few groups, such as genus ''Boiga'', can produce medically significant injuries. In addition, the boomslang, the twig snakes, and the Asian genus ''Rhabdophis'' have caused human fatalities. Some colubrids are described as opisthoglyphous (often called "rear-fanged"), meaning they have elongated, grooved teeth located in the back of their upper jaws. It is likely that opisthoglyphous dentition evolved many times in the history of snakes and is an evolutionary precursor to the fangs of vipers and elapids, which are located in the front of the mouth. Classification In the pas ...
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