| Table 3. Revised classification of the genera Darlingtonia and Alsophis . The changes reflect the monophyly of the Darlingtonia - Jamaican Arrhyton and the Alsophis - Ialtris clades. Ialtris is synonymized with Alsophis and the Jamaican Arrhyton are removed from Arrhyton and included in Darlingtonia (see text). The revised contents of the genera Alsophis , Arrhyton , and Darlingtonia are listed below. |
| Alsophis | Fitzinger, 1843 | Arrhyton | Gunther, 1858 | |
| agyrtes | comb. nov. | ainictum | ||
| anomalus | dolichura | |||
| antillensis | exiguum | |||
| ater | landoi | |||
| biserialis * | procerum | |||
| cantherigerus | supernum | |||
| dorsalis * | taeniatum | |||
| elegans | tanyplectum | |||
| melanichnus | vitattum | |||
| mentalis | comb. nov. | |||
| parishi | comb. nov. | |||
| portoricensis | Darlingtonia | Cochran, 1935 | ||
| rijgersmai | callilaema | comb. nov. | ||
| rufiventris | funerea | comb. nov. | ||
| sancticrucis | haetiana | |||
| slevini * | polylepis | comb. nov. | ||
| vudii | ||||
| * The taxonomic status of the Galapagos taxa is in flux. Robert A. Thomas (pers. comm.) has recommended that slevini be moved to Antillophis and that dorsalis be synonymized with biserialis . | ||||