Taxa described in 1798

thumb|Involulus liquidus (holotype) Involvulus is a genus of leaf and bud weevils in the beetle family Attelabidae. There are more than 40 described species in Involvulus. The genus was first described in 1798 by Franz von Paula Schrank who specified the type species as Involvulus metallicus which is considered to be Involvulus cupreus.

Cordylocarpus is a genus of flowering plants belonging to the family Brassicaceae. It includes a single species, Cordylocarpus muricatus, which is native to Algeria and Morocco.