Taxa included

Talarico, G. & Michalik, P. (2010). Spermatozoa of an Old World Ricinulei (Ricinoides karschii, Ricinoidae) with notes about the relationships of Ricinulei within the Arachnida. Tissue and Cell 42: 383–390. doi: https://doi.org/10.1016/j.tice.2010.10.003

Taxon