INVESTIGADORES
FERRETTI Nelson Edgardo
artículos
Título:
A new small Acanthogonatus Karsch, 1880 (Mygalomorphae, Pycnothelidae) species from Argentinean Patagonia: description of A. messii Signorotto & Ferretti n. sp. and its phylogenetic placement
Autor/es:
SIGNOROTTO FIORELLA; MANCINI MARIANA; FERRETTI NELSON
Revista:
ZOOSYSTEMA
Editorial:
PUBLICATIONS SCIENTIFIQUES DU MUSEUM
Referencias:
Lugar: Paris; Año: 2023 vol. 45 p. 499 - 512
ISSN:
1280-9551
Resumen:
A new Pycnothelidae Chamberlin, 1917 species from Patagonian steppe, Chubut, Argentina isdescribed and illustrated. Acanthogonatus messii Signorotto & Ferretti n. sp. differs from the remaining species of the genus by the male palpal bulb with a narrow basal portion and keel of embolus slightly-developed in conjuction with the presence of strong spines on ventral metatarsus I, females having spermathecae with short oval receptacles, and digitiform internal expansions arising from their base. This comprises a small species that construct burrows on sandy open environments with small shrubs. Results from phylogenetic analysis showed that is close to A. birabeni Goloboff, 1995 and A. chilechico Goloboff, 1995 inside the patagonicus group.
