Cyriocosmus
Cyriocosmus is a genus of tarantulas that was first described by Eugène Louis Simon in 1903. They are small to medium spiders, with a bicolored or one same color carapace.
Diagnosis
The genus differs from all other tarantulas by the paraembolic apophysis in the palpal bulbs of males, and a spermatheca with two spiral receptacles, which usually end in a caliciform or globular extension. Except for C. nogueiranetoi, which owns a S shape extension. All the species also own type 3 urticating hairs.Species
, this genus includes 24 species:Cyriocosmus aueri Kaderka, 2016 – PeruCyriocosmus bertae Pérez-Miles, 1998 – BrazilCyriocosmus bicolor – BrazilCyriocosmus blenginii Pérez-Miles, 1998 – BoliviaCyriocosmus elegans – Venezuela, Trinidad and Tobago, GuyanaCyriocosmus fasciatus – BrazilCyriocosmus fernandoi Fukushima, Bertani & Silva, 2005 – BrazilCyriocosmus foliatus Kaderka, 2019 – PeruCyriocosmus giganteus Kaderka, 2016 – PeruCyriocosmus hoeferi Kaderka, 2016 – BrazilCyriocosmus itayensis Kaderka, 2016 – PeruCyriocosmus leetzi Vol, 1999 – Colombia, VenezuelaCyriocosmus nicholausgordoni Kaderka, 2016 – VenezuelaCyriocosmus nogueiranetoi Fukushima, Bertani & Silva, 2005 – BrazilCyriocosmus paredesi Kaderka, 2019 – PeruCyriocosmus paresi Moeller, Galleti-Lima & Guadanucci, 2024 – BrazilCyriocosmus perezmilesi Kaderka, 2007 – BoliviaCyriocosmus peruvianus Kaderka, 2016 – PeruCyriocosmus pribiki Pérez-Miles & Weinmann, 2009 – PeruCyriocosmus ritae Pérez-Miles, 1998 – Peru, BrazilCyriocosmus sellatus – Peru, BrazilCyriocosmus venezuelensis Kaderka, 2010 – VenezuelaCyriocosmus versicolor – Brazil, Paraguay, ArgentinaCyriocosmus williamlamari Kaderka, 2016 – VenezuelaIn synonymy
- C. chicoi Pérez-Miles, 1998 = Cyriocosmus bicolor
- C. planus = Cyriocosmus elegans
- C. rogerioi Pérez-Miles & Weinmann, 2009 = Cyriocosmus pribiki
- C. semifasciatus Mello-Leitão, 1939 = ''Cyriocosmus elegans''