Browsing alphabetically by genus and species
Pyxilla oligocaenica Jousé (1955)
Raphidodiscus marylandicus Christian (1887)
Raphidodiscus marylandicus Christian (1887)
Rattrayella antiqua Hajós & Stradner (1975)
Rattrayella obovata Sims (2006)
Rhaphoneis atlantica Andrews (1989)
Rhomboneis shtapovii Figus & Witkowski (2024)
Riedelia tenuicornis (Greville) Schrader & Fenner (1976)
Rocella vigilans Fenner (1984)