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- Title
Phylogeny of Arrhopalites s.l. (Collembola : Symphypleona : Arrhopalitidae): testing the monophyly of the recently erected genera Arrhopalites s.s. and Pygmarrhopalites.
- Authors
Zeppelini, Douglas
- Abstract
The genus Arrhopalites (Arrhopalitidae) was proposed by Börner for Symphypleona with separate anal and genital segments, a single bothriotricha on the fifth abdominal segment and lacking capitate tenent hairs. Recently, chaetotaxic features were discovered and used to support a division of the genus into Arrhopalites s.s. for species in the coecus-group and Pygmarrhopalites for the pygmaeus-group s.l. species. A phylogenetic analysis of the genus Arrhopalites s.l. was performed using morphologic data to test its monophyly and the recent proposal to subdivide it into two genera. Results indicate that the genus Arrhopalites s.s. is monophyletic whereas the newly erected genus Pygmarrhopalites is paraphyletic, rendering a non-natural taxon.
- Subjects
PHYLOGENY; PLANT genetics; PLANT species; PLANT anatomy; PLANT morphology
- Publication
Invertebrate Systematics, 2012, Vol 26, Issue 2, p91
- ISSN
1445-5226
- Publication type
Article
- DOI
10.1071/IS10044