Results 51 to 60 of about 1,110 (204)

Extreme secondary sexual dimorphism in the genus Florarctus (Heterotardigrada: Halechiniscidae) [PDF]

open access: yes, 2021
Secondary sexual dimorphism in florarctin tardigrades is a well-known phenomenon. Males are usually smaller than females, and primary clavae are relatively longer in the former.
David Møbjerg, Kristensen   +2 more
core   +1 more source

Water bear with barbels of a catfish : a new Asian Cornechiniscus (Heterotardigrada: Echiniscidae) illuminates evolution of the genus [PDF]

open access: yes, 2022
Cornechiniscus Maucci & Ramazzotti, 1981 is a species-poor heterotardigrade genus with peculiar, horn-shaped appendages A. It can be found in mosses and lichens growing on dusty soils on all continents except for Australasia and Antarctica, with ...
Gąsiorek, Piotr
core   +2 more sources

Integrative description of Macrobiotus canaricus sp. nov. with notes on M. recens (Eutardigrada : Macrobiotidae) [PDF]

open access: yes, 2018
In this paper we describe Macrobiotus canaricus sp. nov., a new tardigrade species of the Macrobiotus hufelandi group from the Canary Islands. Moreover, with the use of DNA sequencing, we confirm that Macrobiotus recens Cuénot, 1932 represents the ...
Krzywański, Łukasz   +2 more
core   +1 more source

An integrated study of the biodiversity within the Pseudechiniscus suillus-facettalis group (Heterotardigrada:Echiniscidae):Echiniscidae) [PDF]

open access: yes, 2020
Pseudechiniscus is the second most species-rich genus in Heterotardigrada and in the family Echiniscidae. However, previous studies have pointed out polyphyly and heterogeneity in this taxon.
Bertolani, Roberto   +5 more
core   +2 more sources

First record of the tardigrade Echiniscus testudo (Doyère, 1840) from northeast of Iran (Heterotardigrada: Echiniscidae) [PDF]

open access: yesIranian Journal of Animal Biosystematics, 2018
Tardigrada is a phylum closely allied with the arthropods. They are small (0.05-1.20 mm), hygrophilous micrometazoans, have four pairs of lobe-like legs and are either carnivorous or feed on plant material.
farahnaz Molavi   +4 more
doaj   +1 more source

Osmotic stress tolerance in semi-terrestrial tardigrades [PDF]

open access: yes, 2016
Heidemann, Nanna W. T., Smith, Daniel K., Hygum, Thomas L., Stapane, Lilian, Clausen, Lykke K. B., Jørgensen, Aslak, Helix-Nielsen, Claus, Møbjerg, Nadja (2016): Osmotic stress tolerance in semi-terrestrial tardigrades.
Clausen, Lykke K B   +7 more
core   +2 more sources

Pseudechiniscus in Japan : re-description of "Pseudechiniscus asper" Abe et al., 1998 and description of Pseudechiniscus shintai sp. nov. [PDF]

open access: yes, 2020
The classification and identification of species within the genus Pseudechiniscus Thulin, 1911 has been considered almost a Sisyphean work due to an extremely high homogeneity of its members.
Gąsiorek, Piotr   +2 more
core   +2 more sources

Insights into the segmental identity of post-oral commissures and pharyngeal nerves in Onychophora based on retrograde fills [PDF]

open access: yes, 2015
Scenario on the evolution of the arthropod brain. Animation, swf file. Anterior is up. The compound brain of arthropods (sensu Richter et al. [5]) most likely evolved by a fusion of initially separate proto-, deuto- and tritocerebral ganglia.
Christine Martin, Georg Mayer
core   +3 more sources

Tardigrada of Xinjiang Uygur Autonomous Region, China

open access: yesJournal of Limnology, 2007
Relatively little is known of the Tardigrada fauna of China, and there are no previous tardigrade records for Xinjiang Uygur Autonomous Region, China's largest administrative division. Moss specimens of the Missouri Botanical Garden Herbarium (St. Louis,
William R. MILLER, Clark W. BEASLEY
doaj   +1 more source

First records of limnoterrestrial tardigrades (Tardigrada) from Haida Gwaii, British Columbia, Canada [PDF]

open access: yes, 2023
Moss samples were collected from trees and rocks in Haida Gwaii, British Columbia, Canada, and examined for the presence of tardigrades. Specimens from 24 taxa were found in 17 out of the 22 examined samples.
E. Massa   +3 more
core   +1 more source

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