Micrurus Wagler, 1824

Luna, Igor Veronese de, Ugalde, Miguel Relvas, Guimarães, Mariana Rocha Santos, Hoffmann, Kauann, Citeli, Nathalie, Kiefer, Mara Cintia & Hamdan, Breno, 2025, Fig. 3 in Positive association between PTN polymorphisms and schizophrenia in Northeast Chinese Han population., Zoological Studies 64 (20), pp. 141-149 : 9

Micrurus Wagler, 1824

1. Triad sequence of three black rings separated by two white rings and interspaced by two red rings in the midbody ....................... 2

- Black rings are arranged in monads, with wide red rings separated by black rings with white borders; blackhead caps do not cover parietal tips ................................... Micrurus corallinus

2. Third black band present in the first sequence of rings of the body ..................................................................................................... 3

- Third black band absent in the first sequence of rings of the body ........................................................................ Micrurus decoratus

3. White triad rings marked in the posterior third, hemipenis with capitular sulcus in the proximal region and capitulum longer than the body .............................................................. Micrurus anibal

- White triad rings heavily marked with black, capitular sulcus in the middle third and capitulum length similar to the body ........... ........................................................................ Micrurus carvalhoi

Key for Tropidophiidae Brongersma, 1951

1. Dorsal scales smooth or weakly keeled; large parietals distinct; internodes and prefrontals separate and in pairs; loreal usually absent; nasal divided; dorsals in 21–29 rows ............ Tropidophis