Priscyparus quisqueyensis Skelley, new genus and new species (Coleoptera: Scarabaeidae: Aphodiinae: Rhyparini), is described in amber from the Dominican Republic. An updated key to New World genera of Rhyparini is presented.
A new species of Leptorhyparus Howden, 2003 (Coleoptera: Scarabaeidae: Aphodiinae: Rhyparini) is described, Leptorhyparus quadricornis Skelley, in amber from the Dominican Republic. Extant species of Leptorhyparus are reviewed, with additional collection data and diagnostic characters presented.