A. Paterna, “The Black Aesculapian Snake Zamenis longissimus (Serpentes: Colubridae): characters and possible origin of the subgrisea morphotype”, Phyllomedusa, vol. 23, no. 2, pp. 101–109, Dec. 2024, doi: 10.11606/issn.2316-9079.v23i2p101-109.