Possible Cosmetus, copyright Arthur Anker.

Belongs within: Paecilaema.

Cosmetus is a genus of harvestmen found in northern South America with short, slender, unarmed legs (Kury 2003).

Characters (from Kury 2003): Eyemound extremely flattened; outline of scutum without constrictions; area III with strong spines showing a high degree of fusion (sometimes fused into a single spine); legs short, slender, unarmed.

<==Cosmetus Perty 1833K03 (see below for synonymy)
    |--C. delicatus (Soares & Soares 1946)MKM22, K03 [=*Vervloetia delicataK03]
    `--+--*C. varius Perty 1833K03, MKM22, K03
       `--C. arietinus (Mello-Leitão 1940)MKM22, K03 (see below for synonymy)
Cosmetus incertae sedis:
  C. biacutus Roewer 1947K03
  C. birramosus (González-Sponga 1998) [=Cosmetiplus birramosus]K03
  C. columnaris (Roewer 1928)K03, KA-Z11 [=*Cosmetellus columnarisK03, Paecilaema columnarisK03]
  C. coxaepunctatus Roewer 1927 [=*Cosmetiplus coxaepunctatus, Paecilaema coxaepunctata]K03
  C. flavopictus Simon 1880K03
  C. mesacanthus Kollar in Koch 1839 [=C. mesacathus, C. mesacanthos (l. c.)]K03
  C. migdaliae (González-Sponga 1992) [=Cosmetiplus migdaliae]K03
  C. peruvicus (Avram & Soares 1983) [=*Orthogryne peruvica]K03
  C. pleurostigma Sørensen 1932K03
  C. pulcher Goodnight & Goodnight 1942 [=C. pulchrus]K03
  C. serrulatus (González-Sponga 1992) [=Cosmetiplus serrulatus]K03
  C. soerenseni (Mello-Leitão 1942) [=Cosmetigryne soerenseni]K03
  C. turritus Sørensen 1932 [=C. tursitus (l. c.)]K03
  C. unispinosus (Roewer 1915) [=*Cosmetigryne unispinosa]K03
  C. variolosus Mello-Leitão 1942K03
Nomen nudum: Cosmetus testudineus Roewer 1912 [=C. testitudineus (l. c.)]K03

Cosmetus Perty 1833K03 [incl. Belemnometus Mello-Leitão 1940K03, Cosmetellus Roewer 1928K03, KA-Z11, Cosmetigryne Roewer 1916K03, Cosmetiplus Roewer 1947K03, Orthogryne Avram & Soares 1983K03, Procosmetus Mello-Leitão 1942K03, Vervloetia Soares & Soares 1946K03]

Cosmetus arietinus (Mello-Leitão 1940)MKM22, K03 [=*Belemnometus arietinusK03; incl. *Procosmetus dubius Mello-Leitão 1942K03, B. dubiusK03]

*Type species of generic name indicated


[K03] Kury, A. B. 2003. Annotated catalogue of the Laniatores of the New World (Arachnida, Opiliones). Revista Ibérica de Aracnología, volumen especial monográfico 1: 1–337.

[KA-Z11] Kury, A. B., & M. A. Alonso-Zarazaga. 2011. Addenda and corrigenda to the “Annotated catalogue of the Laniatores of the New World (Arachnida, Opiliones)”. Zootaxa 3034: 47–68.

[MKM22] Medrano, M., A. B. Kury & A. C. Mendes. 2022. Morphology-based cladistics splinters the century-old dichotomy of the pied harvestmen (Arachnida: Gonyleptoidea: Cosmetidae). Zoological Journal of the Linnean Society 195 (2): 585–672.

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