Rhipicephalus annulatus, (Say, 1821)

Robbins, Richard G., Nava, Santiago, Ronai, Isobel, Chong, Kaylin L. & Guglielmone, Alberto A., 2025, Type specimens of the world’s hard tick species (Acari: Ixodida: Ixodidae): collection data and depositories for all valid names and the current status of invalid names, Zootaxa 5606 (1), pp. 1-287 : 15

annulatus (Say, 1821) , Rhipicephalus

Say, T. (1821) An account of the arachnides of the United States. Journal of the Academy of Natural Sciences of Philadelphia, 2, 59–82.