Related Experiment Video
Updated: Apr 29, 2026

A Concoction Pipeline for Generating Molecular Operational Taxonomic Units (MOTUs) Among Riparian and Aquatic Beetles
Published on: July 11, 2025
The spider genera Euthycaelus Simon and Schismatothele Karsch (Mygalomorphae, Theraphosidae)
José Paulo Leite Guadanucci1, Dirk Weinmann2
1Departamento de Zoologia, Instituto de Biociências, Universidade Estadual Paulista. Avenida 24A 1515, 13506-900 Rio Claro-SP, Brazil.;
Abstract:
The genus Euthycaelus Simon 1889 is diagnosed based on the examination of type-material and additional material from Venezuela and Colombia. The genus now includes: Euthycaelus colonicus Simon 1889, E. norae sp. nov., E. amandae sp. nov.; Euthycaelus steini Simon 1889 is transferred to Psalistops comb. nov. The genus Schismatothele Karsch 1879 is considered a senior synonym of Hemiercus Simon 1903. Schismatothele includes S. lineata Karsch 1879, S. inflata (Simon 1889) comb. nov., S. modesta (Simon 1889) comb. nov, and S. benedettii Panzera et al. 2011. Hemiercus proximus Mello-Leitão 1923, from Cubatão, São Paulo, Brazil, is transferred to Acanthoscurria proxima (Mello-Leitão 1923) comb. nov. Hemiercus kastoni Caporiacco 1955 is considered a species inquirenda pending the examination of the type material.
Related Concept Videos
Taxonomy
Hierarchy of Taxonomy
The hierarchy that Carolus Linnaeus first...
Epiphytes, Parasites, and Carnivores
The Tree of Life - Bacteria, Archaea, Eukaryotes
Convergent Evolution
Phylogeny
Fungal Phylum Ascomycota

