Recommended abbreviations for the names of genera of the phylum Tardigrada

Perry, Emma S.; Miller, William R.; Kaczmarek, Łukasz

doi:10.11646/zootaxa.4608.1.8

Cited by 62 publications

(17 citation statements)

References 21 publications

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“…The classification of type of egg process, sculpture on egg processes, egg processes bases and egg shell surface between processes are given according to Kaczmarek et al [23]. Genus abbreviations follow Perry et al [28].…”

Section: Morphometrics and Morphological Nomenclaturementioning

confidence: 99%

Integrative Descriptions of Two New Tardigrade Species along with the New Record of Mesobiotus skorackii Kaczmarek et al., 2018 from Canada

et al. 2021

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Two new tardigrade species from a moss sample collected in Canada, one representing Macrobiotus hufelandi complex and the second one belonging to the genus Bryodelphax, are described. Integrative analysis was undertaken based on morphological and morphometric data (using both light and scanning electron microscopy (SEM)) combined with multilocus molecular analysis (nuclear sequences, i.e., 18S rRNA, 28S rRNA and ITS-2 as well as mitochondrial COI barcode sequences). Based on COI sequences, Macrobiotus birendrai sp. nov. is most similar to Mac. canaricus (p-distance 17%), whereas Bryodelphax mareki sp. nov. is most similar to Bry. parvulus (p-distance 16%). Both species differ also from their congeners in some morphological and morphometric characters of adults and/or details of egg chorion. Additionally, a large population of Mesobiotus skorackii was found in the sample and this is the first report of this species outside its terra typica in Kirghizia. The original description of this species was prepared based solely on the morphology and morphometry, therefore, here we provide updated data for this species enclosing morphometric and molecular data for the Canadian population.

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Section: Morphometrics and Morphological Nomenclaturementioning

confidence: 99%

Integrative Descriptions of Two New Tardigrade Species along with the New Record of Mesobiotus skorackii Kaczmarek et al., 2018 from Canada

et al. 2021

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“…Abbreviations of the tardigrade genera names are given according to Perry, Miller and Kaczmarek (2019).…”

Section: Genotypingmentioning

confidence: 99%

Presence of <em>Notahypsibius pallidoides</em> (Tardigrada: Hypsibiidae) in the fauna of Russia confirmed with the methods of DNA barcoding

Tumanov

2021

BioComm

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A brief report is given on the tardigrade species Notahypsibius pallidoides, discovered in a moss cushion in the vicinity of Saint Petersburg. Morphological identification of the species is supported with the analysis of obtained sequences of nuclear and mitochondrial DNA barcode genes (ITS-2 and COI). The current state of knowledge of Russian fauna of Tardigrada is characterised, and all available data on the distribution of Notahypsibius pallidoides and its genetic variability are summarised. The data obtained in this study by methods of DNA barcoding demonstrated that studied specimens of the tardigrada population isolated in Russia belong to the same species (Notahypsibius pallidoides) as the control specimens isolated in Austria though represent another haplotype thus confirming the presence of Notahypsibius pallidoides for the fauna of Russia.

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“…Dactylobiotus Schuster, 1980 44 (hereafter referred as Dac. 45 ) is a freshwater genus occurring worldwide (see: ref. 46 ) including both polar regions 33,39 .…”

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Integrative description of a new Dactylobiotus (Eutardigrada: Parachela) from Antarctica that reveals an intraspecific variation in tardigrade egg morphology

Kihm

Kim

McInnes

et al. 2020

Sci Rep

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tardigrades constitute one of the most important group in the challenging Antarctic terrestrial ecosystem. Living in various habitats, tardigrades play major roles as consumers and decomposers in the trophic networks of Antarctic terrestrial and freshwater environments; yet we still know little about their biodiversity. The Eutardigrada is a species rich class, for which the eggshell morphology is one of the key morphological characters. Tardigrade egg morphology shows a diverse appearance, and it is known that, despite rare, intraspecific variation is caused by seasonality, epigenetics, and external environmental conditions. Here we report Dactylobiotus ovimutans sp. nov. from King George Island, Antarctica. Interestingly, we observed a range of eggshell morphologies from the new species, although the population was cultured under controlled laboratory condition. Thus, seasonality, environmental conditions, and food source are eliminated, leaving an epigenetic factor as a main cause for variability in this case. Phylum Tardigrada is a microscopic metazoan group, characterized by having four pairs of legs usually terminated with claws, and is considered to be related to the arthropods and onychophorans 1. They have attracted attention due to their cryptobiotic ability 2-7 , which helps them to occupy a variety of habitats throughout the world, including the harsh environments of Antarctica. The challenging environments of Antarctica are represented by a depauperate biodiversity, in which tardigrades have become one of the dominant invertebrate groups 8-13. Around 60 tardigrade species are recorded from Antarctic, with the Antarctic Peninsula having the most rich diversity 14-16. In comparison to the much smaller north polar areas, such as Alaska, Svalbard, or Faroe Island 17-20 , the biodiversity of Antarctic tardigrades is significantly underestimated. King George Island (KGI), the largest in the South Shetland Archipelago, covers about 1300 square kilometres comprising a mountainous landscape that is largely ice-covered with pockets of ice-free coastal regions 21,22. Eight countries operate permanent research bases, with most established at the western end, between Fildes Peninsula and Admiralty Bay. This makes KGI one of the most well studied regions of Antarctica (e.g. refs. 23-26). Compared to the recent studies devoted to marine meiofauna around KGI (see: refs. 27-29), studies on KGI terrestrial invertebrates have received little attention 30-32 , with rather outdated species lists (e.g. ref. 33), and even more so for tardigrades 34-36 .

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Recommended abbreviations for the names of genera of the phylum Tardigrada

Cited by 62 publications

References 21 publications

Integrative Descriptions of Two New Tardigrade Species along with the New Record of Mesobiotus skorackii Kaczmarek et al., 2018 from Canada

Integrative Descriptions of Two New Tardigrade Species along with the New Record of Mesobiotus skorackii Kaczmarek et al., 2018 from Canada

Presence of <em>Notahypsibius pallidoides</em> (Tardigrada: Hypsibiidae) in the fauna of Russia confirmed with the methods of DNA barcoding

Integrative description of a new Dactylobiotus (Eutardigrada: Parachela) from Antarctica that reveals an intraspecific variation in tardigrade egg morphology

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