WFRF:(Erséus Christer 1951)
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On Kincaidiana Altman, 1936 and Guestphalinus Michaelsen, 1933 (Annelida, Clitellata, Lumbriculidae), with the descriptions of three new species
- Article/chapterEnglish2017
Publisher, publication year, extent ...
- 2017-10-24
- Museum National D'Histoire Naturelle,2017
Numbers
- LIBRIS-ID:oai:gup.ub.gu.se/259484
- https://gup.ub.gu.se/publication/259484URI
- https://doi.org/10.5852/ejt.2017.361DOI
Supplementary language notes
- Language:English
Part of subdatabase
- SwePubSwePub
Classification
Notes
- Two formerly monotypic lumbriculid genera, Guestphalinus Michaelsen, 1933 and Kincaidiana Altman, 1936, are reviewed using morphological and molecular data, following the discovery of new northwestern, Nearctic species. Several populations of Kincaidiana hexatheca Altman, 1936 were examined, and both morphology and DNA data suggest a single, variable species in Pacific drainages extending from northern California through Washington, USA. Specimens of Kincaidiana from the Smith River drainage with a single, median atrium and differing genetically from K. hexatheca are assigned to K. smithi sp. nov. The chaetal morphology of North American Guestphalinus populations is variable, and two basic morphotypes are assigned to G. elephantinus sp. nov. and G. exilis sp. nov. This decision is supported by molecular data. The tree topology, based on the mitochondrial 16S rRNA and Cytochrome Oxidase I (COI), and the nuclear 28S rRNA gene sequences, confirmed the close phylogenetic relationships among the Nearctic Guestphalinus, Kincaidiana and Uktena Fend, Rodriguez & Lenat, 2015. Probable synapomorphies associating these genera include a filiform, ringed proboscis, a forward shift of reproductive organs relative to the usual position in the family, and spermathecae in the atrial segment.
Subject headings and genre
- NATURVETENSKAP Biologi Biologisk systematik hsv//swe
- NATURAL SCIENCES Biological Sciences Biological Systematics hsv//eng
- NATURVETENSKAP Biologi Zoologi hsv//swe
- NATURAL SCIENCES Biological Sciences Zoology hsv//eng
- Taxonomy
- new taxa
- Clitellata
- Lumbriculidae
- Kincaidiana
- Guestphalinus
- phylogenetic analysis
- family lumbriculidae
- molecular phylogeny
- aquatic oligochaeta
- classification
- characters
- confidence
- claparede
- bootstrap
- Zoology
Added entries (persons, corporate bodies, meetings, titles ...)
- Rodriguez, P. (author)
- Achurra, A. (author)
- Erséus, Christer,1951Gothenburg University,Göteborgs universitet,Institutionen för biologi och miljövetenskap,Department of Biological and Environmental Sciences(Swepub:gu)xersch (author)
- Göteborgs universitetInstitutionen för biologi och miljövetenskap (creator_code:org_t)
Related titles
- In:European Journal of Taxonomy: Museum National D'Histoire Naturelle361, s. 1-462118-9773
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