Two new Mediterranean species of the genus Halechiniscus (Tardigrada, Heterotardigrada)

Halechinisats macroaphalus and H. paratuleari, two new species of marine Tardigrada (Heterotardigrada: Arthrotardigrada) are described from the Mediterranean. They display evident plesiomor-phic characteristics such as large unpaired medial cirrus, cephalic region deeply divided in lobes and evident...

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Bibliographic Details
Published in:Bollettino di zoologia 1988-01, Vol.55 (1-4), p.205-211
Main Authors: De Zio, Susanna Grimaldi, Gallo, Maria D'Addabbo, Morone De Lucia, Rosaria M.
Format: Article
Language:English
Subjects:
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
Mediterranean Sea
Tardigrada
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Summary:Halechinisats macroaphalus and H. paratuleari, two new species of marine Tardigrada (Heterotardigrada: Arthrotardigrada) are described from the Mediterranean. They display evident plesiomor-phic characteristics such as large unpaired medial cirrus, cephalic region deeply divided in lobes and evident lateral processes. Furthermore, H. paratuleari shows the same arrangement of the cephalic cirri as do Stygarctidae. All these elements confirm the close relationship between Halechiniscidae, mainly Halechiniscinae, and Stygarctidae.
ISSN:0373-4137
DOI:10.1080/11250008809386618