Nearctic freshwater tardigrades: a review

McFATTER, Mitchell M.; Meyer, Harry A.; Hinton, Juliana G.

doi:10.4081/jlimnol.2007.s1.84

Cited by 12 publications

(7 citation statements)

References 21 publications

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“…The vast majority of aquatic samples had no specimens. Streams and rivers in BTNP are relatively slow moving, eutrophic, and laden with sediment, and may be poor habitat for aquatic tardigrades (McFatter et al 2007). Altitudinal variation in BTNP is much less than in mountainous GSMNP.…”

Section: Discussionmentioning

confidence: 99%

Lone Star Bears: The Tardigrada of Big Thicket National Preserve, Texas

Hinton

Meyer

McDaniel³

et al. 2014

sena

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Section: Discussionmentioning

confidence: 99%

Lone Star Bears: The Tardigrada of Big Thicket National Preserve, Texas

Hinton

Meyer

McDaniel³

et al. 2014

sena

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“…Zoogeographical studies on Tardigrada (e.g. McInnes, ; Pilato & Binda, ; McFatter, Meyer & Hinton, ; McInnes & Pugh, ; Meyer & Hinton, ; Meyer, ; Kaczmarek, Michalczyk & McInnes, , , ) are limited by the extent of our knowledge of tardigrade taxonomy and faunistics. Currently, over 1200 species and subspecies of tardigrades have been described (Degma, Bertolani & Guidetti, 2009–2015), with approximately 1000 of these from limno‐terrestrial habitats.…”

Section: Introductionmentioning

confidence: 99%

Diversity of limno-terrestrial tardigrades of the Americas in relation to the Great American Biotic Interchange hypothesis (GABI)

et al. 2016

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Zoogeographical studies on Tardigrada are limited by the extent of our knowledge on tardigrade taxonomy and faunistics. In this paper we analyse the relationships between the tardigrade fauna of North, Central and South America (Nearctic and Neotropical regions) and provide the first test of whether the tardigrade fauna of the Americas has undergone the great American interchange. Our analyses were based on 384 tardigrade species records obtained for 1702 localities in North, South and Central America. We found that (1) some tardigrade species are distributed, as predicted by the Great American Biotic Interchange (GABI) hypothesis, on both sides of the Panama Isthmus; (2) the Central American tardigrade fauna is specific and different from both the South and the North American faunas, although it is closer to the tropical areas of South America; (3) either the tardigrade fauna of South and North America appear to be more similar to each other than to that of Central America, or there is a Nearctic-Neotropic division of the faunas; and (4) endemism in Central America suggests a more complex biogeographical process than predicted by the connection of two continents.

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“…Mathews (1938) compiled a comprehensive list of North American tardigrade species and their distributions, and Marcus (1939) did the same for South America. Nelson (1982) updated Marcus (1939) for aquatic and semi-aquatic species, while McFatter et al (2007) reviewed North American freshwater Tardigrada. Rossi & Claps (1991) and Claps et al (2008) reviewed the tardigrades of Argentina, Assunção (1999) listed the tardigrade species of the state of São Paulo in Brazil, Boeckner et al (2005) provided a list of species found in Canada, Nickel et al (2001) summarized the tardigrades only weak support for such associations.…”

Section: Introductionmentioning

confidence: 99%

“…This pattern holds true when the scale is expanded to include all the Americas. McFatter et al (2007) found that most freshwater studies of North American tardigrades had sampled aquatic vegetation and sediment; in the Americas as a whole most freshwater tardigrades have been collected from these substrates. Guil & Cabrero-Sañudo (2007) remarked on the preponderance of tardigrade studies carried out by scientists from the Palaearctic and Nearctic ecozones; e.g.…”

Section: Introductionmentioning

confidence: 99%

<strong>Terrestrial and freshwater Tardigrada of the Americas</strong>

Meyer

2013

Zootaxa

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This paper provides a comprehensive list of the freshwater and terrestrial tardigrade fauna reported from the Americas (North America, South America, Central America and the West Indies), their distribution in the Americas, and the substrates from which they have been reported. Data were obtained from 316 published references. Authors' identifications were accepted at face value unless subsequently amended. Taxa were assigned to sub-national units (states, provinces, etc.). Many areas, in particular large portions of Central America and the West Indies, have no reported tardigrade fauna. The presence of 54 genera and 380 species has been reported for the Americas; 245 species have been collected in the Nearctic ecozone and 251 in the Neotropical ecozone. Among the tardigrade species found in the Americas, 52 are currently considered cosmopolitan, while 153 species have known distributions restricted to the Americas. Based on recent taxonomic revision of the genus Milnesium, the vast majority of records of M. tardigradum in the Americas should now be reassigned to Milnesium tardigradum sensu lato, either because the provided description differs from M. tardigradum sensu stricto or because insufficient description is provided to make a determination; the remainder should be considered Milnesium cf. tardigradum. Most terrestrial tardigrade sampling in the Americas has focused on cryptogams (mosses, lichens and liverworts); 90% of the species have been collected in such substrates. The proportion of species collected in other habitats is lower: 14% in leaf litter, 20% in soil, and 24% in aquatic samples (in other terrestrial substrates the proportion never exceeds 5%). Most freshwater tardigrades have been collected from aquatic vegetation and sediment. For nine species in the Americas no substrates have been reported.

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Nearctic freshwater tardigrades: a review

Abstract: The

Cited by 12 publications

References 21 publications

Lone Star Bears: The Tardigrada of Big Thicket National Preserve, Texas

Lone Star Bears: The Tardigrada of Big Thicket National Preserve, Texas

Diversity of limno-terrestrial tardigrades of the Americas in relation to the Great American Biotic Interchange hypothesis (GABI)

<strong>Terrestrial and freshwater Tardigrada of the Americas</strong>

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