Echinotheridion is a genus of comb-footed spiders that was first described by Herbert Walter Levi in 1963.
Species it contains nine species, found in South America, with the exception of E. gibberosum, found on Madeira and the Canary Islands.: Echinotheridion andresito Ramírez & González, 1999 – Brazil, Argentina Echinotheridion cartum Levi, 1963 (type) – Brazil, Paraguay, Argentina Echinotheridion elicolum Levi, 1963 – Venezuela Echinotheridion gibberosum (Kulczyński, 1899) – Madeira, Canary Is. Echinotheridion levii Ramírez & González, 1999 – Brazil Echinotheridion lirum Marques & Buckup, 1989 – Brazil Echinotheridion otlum Levi, 1963 – Ecuador Echinotheridion urarum Buckup & Marques, 1989 – Brazil Echinotheridion utibile (Keyserling, 1884) – Brazil
Formerly included: E. pseudogibberosum (Schmidt, 1973) (Transferred to Tidarren)
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