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Issue: Vol. 846 No. 1: 1 Feb. 2005
Type: Articles
Published: 2005-02-01
DOI: 10.11646/zootaxa.846.1.1
Page range: 1–31
Abstract views: 50
PDF downloaded: 3

Revision of Cyriocosmus Simon, 1903, with notes on the genus Hapalopus Ausserer, 1875 (Araneae: Theraphosidae)

Instituto de Biociências, Universidade de São Paulo. Rua do Matão, Travessa 14, 321, CEP 05422-970, São Paulo-SP, Brazil Laboratório de Artrópodes, Instituto Butantan. Av. Vital Brazil, 1500, CEP CEP 05422-970, São Paulo-SP, Brazil
Laboratório de Artrópodes, Instituto Butantan. Av. Vital Brazil, 1500, CEP CEP 05422-970, São Paulo-SP, Brazil
Laboratório de Artrópodes, Instituto Butantan. Av. Vital Brazil, 1500, CEP CEP 05422-970, São Paulo-SP, Brazil
Araneae Systematics spider taxonomy new species Neotropics

Abstract

The genus Cyriocosmus Simon, 1903 is revised based on most types and additional material from Argentina, Brazil, Colombia, Tobago Island and Venezuela. Two species are newly described from Brazil: Cyriocosmus nogueira-netoi and Cyriocosmus fernandoi. The species Cyriocosmus fasciatus (Mello-Leitão, 1930), formerly synonymized with Cyriocosmus elegans, is revalidated. Metriopelma nigriventris (Mello-Leitão, 1939) and Cyriocosmus butantan Pérez-Miles, 1998 are transferred to Hapalopus Ausserer, 1875, proposing Hapalopus nigriventris (Mello-Leitão, 1939) new combination and Hapalopus butantan (Pérez-Miles, 1998) new combination. The female of Hapalopus butantan is described for the first time. All 11 species of Cyriocosmus are diagnosed and keyed. A cladistic analysis with 28 characters and 19 taxa was carried out. Searches using three phylogenetic packages found a single, totally resolved tree with the same topology.

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