Adaptive radiation and phylogenesis in marine Tardigrada and the establishment of Neostygarctidae, a new family of Heterotardigrada

Adaptive radiation which has occurred in marine Tardigrada is discussed on the basis of the wide variety of species. The establishment of a new family, Neostygarctidae, is proposed and the hypothesis that two evolutive lines started from it is advanced. The possible affinities with other phyla are a...

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Bibliographic Details
Published in:Bollettino di zoologia 1987-01, Vol.54 (1), p.27-33
Main Authors: de Zio, Susanna Grimaldi, Gallo, Maria D'addabbo, Morone de Lucia, Maria Rosaria
Format: Article
Language:English
Subjects:
Adaptive radiation
Biological and medical sciences
Fundamental and applied biological sciences. Psychology
Heterotardigrada
Invertebrates
Less representative or incertae sedis groups: acanthocephala, chaetognatha, gnathostomulida, lophophoria, merostomata, mesozoa, myxozoa, nematorhyncha, pararthropoda, placozoa, priapuloidea, prochordata, pycnogonida, rotifera
Marine
Neostygarctidae
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Summary:Adaptive radiation which has occurred in marine Tardigrada is discussed on the basis of the wide variety of species. The establishment of a new family, Neostygarctidae, is proposed and the hypothesis that two evolutive lines started from it is advanced. The possible affinities with other phyla are also discussed.
ISSN:0373-4137
DOI:10.1080/11250008709355552