Fossil BDELLIDAE
279. Bdella vetusta Ewing, 1934: 58; Manitoban amber (Cretaceous, ~ 76–79 Ma), Cedar Lake, Manitoba, Canada. Type deposition. ROME.
280. Bdella lata Koch & Berendt, 1854: 872 —not Bdella lata Ewing (1909b); Baltic amber (~44 Ma).
281. Bdella bicincta Menge in Koch & Berendt, 1854: 108 —Baltic amber (~44 Ma).
282. Bdella bombycina Menge in Koch & Berendt, 1854: 108 —Baltic amber (~44 Ma).
283. Bdella obconica Menge in Koch & Berendt, 1854: 108 —Baltic amber (~44 Ma).
284. Bdellidae sp. (Aoki 1974 apud Dunlop et al. 2012).