Fontoura, P., Pilato, G. and Lisi, O. 2010. First record of Tardigrada from São Tomé (Gulf of Guinea, Western Equatorial Africa) and description of Pseudechiniscus santomensis sp. nov. (Heterotardigrada: Echiniscidae). Zootaxa. 2564, 1 (Aug. 2010), 31–42. DOI:https://doi.org/10.11646/zootaxa.2564.1.2.