* † Spirochaeta periplanetae Laveran and Franchini
Habitat.—Blatta orientalis, France (Laveran and Franchini, 1920a).
Cockroaches, Venezuela (Tejera, 1926): Tejera reported finding "Spirochaeta blatarum Laveran et Franchini" which may have been a lapsus.
Family TREPONEMATACEAE