Results 91 to 100 of about 5,499 (220)

The fine structure of the midgut epithelium in Xerobiotus pseudohufelandi (Iharos, 1966) (Tardigrada, Eutardigrada, Macrobiotidae)

open access: yesJournal of Limnology, 2013
The aims of our studies were to describe the ultrastructure of the midgut epithelial cells of the eutardigrade Xerobiotus pseudohufelandi and to determine if there are any differences in the ultrastructure of midgut epithelial cells between males and ...
Magdalena M. Rost-Roszkowska   +4 more
doaj   +1 more source

The architecture of the nervous system of Echiniscus testudo (Echiniscoidea, Heterotardigrada)

open access: yesJournal of Limnology, 2013
Despite the fact that there are several descriptions of the nervous system of Tardigrada there is still dispute about how to interpret the organisation of these structures.
Corinna Schulze, Andreas Schmidt-Rhaesa
doaj   +1 more source

Description of the femur of Protomegalonyx chasicoensis Scillato-Yané (Mammalia, Xenarthra, Megalonychidae) from the arroyo Chasicó Formation (Late Miocene): systematic consideration on the sloths of chasicóan age [PDF]

open access: yes, 2009
Se realiza la descripción del fémur del perezoso Protomegalonyx chasicoenis Scillato-Yané sobre la base de un fémur derecho completo (MMP M 478) procedente de la Formación Arroyo Chasicó (Mioceno tardío), en el sudoeste de la provincia de Buenos Aires ...
Brandoni, Diego
core  

Contribución al conocimiento de los tardígrados de Argentina, IV

open access: yesActa Zoológica Lilloana, 1984
Se estudia la fauna tardígrada de musgos, líquenes y plantas acuáticas de algunas localidades de las provincias de Salta, Jujuy y Tucumán. Se han encontrado veinticinco especies pertenecientes a nueve géneros, siete de las cuales son nuevos registros ...
María Cristina Claps   +1 more
doaj  

The Megatheriinae (Xenarthra, Tardigrada) of the Ituzaingó Formation (Upper Miocene-Pliocene) of the Entre Ríos province [PDF]

open access: yes, 2005
The Megatheriinae (Xenarthra, Tardigrada) of the Ituzaingó Formation (Upper Miocene-Pliocene) of the Entre Ríos Province. The subfamily Megatheriinae is known from the Friasian (Middle Miocene) to the Lujanian (Late Pleistocene-Early Holocene). A summary
Brandoni, Diego
core  

The basicranium and orbital ergion of the early miocene Eucholoeops ingens Ameghino, (Xenarthra, Pilosa, Megalonychidae) [PDF]

open access: yes, 2015
Fil: Gaudin, Timothy J.. Department of Biological and Environmental Sciences. University of Tennessee at Chattanooga; USAFil: De Iuliis, Gerardo. Department of Ecology and Evolutionary Biology. University of Toronto; CanadaFil: Toledo, Néstor.
De Iuliis, Gerardo   +2 more
core  

Nearctic freshwater tardigrades: a review

open access: yesJournal of Limnology, 2007
The distribution and ecology of limno-terrestrial Tardigrada in the Nearctic realm remain poorly known. This is especially true of freshwater tardigrades (i.e., species found in permanently submerged habitats), which have received much less attention ...
Juliana G. HINTON   +2 more
doaj   +1 more source

A model study for tardigrade identification [PDF]

open access: yes, 2010
Using tardigrades from a single moss sample as a case study, we propose a new method for tardigrade species identification, which is often problematic, due to the low number of morphological characters.
Bertolani, Roberto   +2 more
core   +1 more source

The Megatheriinae (Xenarthra, Tardigrada) from the Tertiary of Entre Ríos, Argentina: taxonomic and systematic aspects [PDF]

open access: yes, 2007
La subfamilia Megatheriinae ha sido registrada desde el Colloncurense (Mioceno medio) hasta el Lujanense (Pleistoceno tardío-Holoceno temprano). Aquí se presenta un resumen del estado del conocimiento de los megaterinos de la Formación Ituzaingó de la ...
Brandoni, Diego, Scillato, Gustavo Juan
core   +1 more source

Limnology of Four Bauxite Open-Pit Lakes [PDF]

open access: yes, 1972
The aquatic flora and fauna and 18 physicochemical characteristics of four bauxite open-pit lakes were studied from September 1969 to August 1970. The least acid lake (pH 3.4-4.4) supported 49 different aquatic insects, plankton, and higher aquatic ...
Harp, George L., Hubbard, Ronald D.
core   +2 more sources

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