INVESTIGADORES
RAMIREZ Martin Javier
artículos
Título:
Evolutionary morphology of the hemolymph vascular system of basal araneomorph spiders (Araneae: Araneomorphae)
Autor/es:
HUCKSTORF, K.; MICHALIK, P.; RAMIREZ, M.J.; WIRKNER, C.
Revista:
ARTHROPOD STRUCTURE & DEVELOPMENT
Editorial:
ELSEVIER SCI LTD
Referencias:
Lugar: Amsterdam; Año: 2015
ISSN:
1467-8039
Resumen:
The superfamily Austrochiloidea (Austrochilidae and Gradungulidae) take a pivotal position in araneomorphspider phylogeny. In this discussion crevice weaver spiders (Filistatidae) are of equal interest.Especially data from these phylogenetically uncertain yet basal off branching groups can enlighten ourunderstanding on the evolution of organ systems. In the course of a survey on the evolutionarymorphology of the circulatory system in spiders we therefore investigated the hemolymph vascularsystem in two austrochiloid and one filistatid species. Additionally some data on a hypochilid and agradungulid species are included. Using up-to-date morphological methods, the vascular systems inthese spiders are visualized three dimensionally.Ground pattern features of the circulatory systems in austrochiloid spiders are presented and the datadiscussed along recent lines of phylogenetic hypotheses. Special topics highlighted are the intraspecificvariability of the origins of some prosomal arteries and the evolutionary correlation of respiratory andcirculatory systems in spiders.