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A molecular phylogeny of Porcellionidae (Isopoda, Oniscidea) reveals inconsistencies with present taxonomy
- Source :
- ZooKeys 801: 163-176, ZooKeys, Zookeys, ZooKeys, Vol 801, Iss, Pp 163-176 (2018)
- Publication Year :
- 2018
- Publisher :
- Zenodo, 2018.
-
Abstract
- Porcellionidae is one of the richest families of Oniscidea globally distributed but we still lack a comprehensive and robust phylogeny of the taxa that are assigned to it. Employing five genetic markers (two mitochondrial and three nuclear) we inferred phylogenetic relationships among the majority of Porcellionidae genera. Phylogenetic analyses conducted via Maximum Likelihood and Bayesian Inference resulted in similar tree topologies. The mtDNA genes cytochrome oxidase I (COI) and 16s rRNA (16s) were used for clade dating using previously published mutation rates. Our results provide evidence against the monophyly of both Porcellionidae and the largest genus of the family Porcellio. These results are compared to previous published work based on morphological evidence. The genera Leptotrichus and Brevurus are not grouped with the rest of Porcellionidae whereas Agnaridae are grouped with part of Porcellionidae. Armadillidium and Schizidium (Armadillidiidae) occupy a basal position on the phylogenetic tree. Even though the African genera Tura and Uramba (distributed in East Africa) are grouped together there is no general geographical pattern in other sub-clades. Additional taxonomic issues that arise in this work such as the assignment of the recently described genus Levantoniscus, arealso discussed. The status of Porcellionidae should be further revised and morphological characters traditionally used in Oniscidea taxonomy should be reconsidered in view of molecular evidence. The origin of the monophyletic clade within Porcellionidae as indicated in the present work is dated back to the Oligocene (~32 mya).
- Subjects :
- 0106 biological sciences
0301 basic medicine
Agnaridae
01 natural sciences
Monophyly
Eumalacostraca
Molecular Systematics
Crustacea
lcsh:Zoology
Bilateria
lcsh:QL1-991
Clade
Malacostraca
Phylogeny
biology
Phylogenetic tree
Scutocoxifera
Cephalornis
Porcellio
Molecular phylogenetics
node dating
Research Article
Isopoda
Coelenterata
Crinocheta
Arthropoda
Nephrozoa
Protostomia
monophyly
Oniscidea
010603 evolutionary biology
Circumscriptional names of the taxon under
03 medical and health sciences
Porcellionidae
Phylogenetics
Systematics
Animalia
woodlice
Ecology, Evolution, Behavior and Systematics
Taxonomy
World
Armadillidium versicolor
Carocryptus
biology.organism_classification
taxonomic revision
030104 developmental biology
Evolutionary biology
Notchia
Paradiastylis whitleyi
genetic markers
Ecdysozoa
Animal Science and Zoology
Subjects
Details
- Database :
- OpenAIRE
- Journal :
- ZooKeys 801: 163-176, ZooKeys, Zookeys, ZooKeys, Vol 801, Iss, Pp 163-176 (2018)
- Accession number :
- edsair.doi.dedup.....9f23d52e555c4bb9096946dbedc48469