The Stygarctidae are a family of
tardigrade
Tardigrades (), known colloquially as water bears or moss piglets, are a phylum of eight-legged segmented micro-animals. They were first described by the German zoologist Johann August Ephraim Goeze in 1773, who called them Kleiner Wasserbär ...
s.
The family was first described by Schulz in 1951. The genus ''
Neoarctus'' was first placed in the family Stygarctidae,
but it was moved to a separate family,
Neoarctidae
''Neoarctus primigenius'' is a species of tardigrade. It is the only species in the genus ''Neoarctus'', which is the only genus in the family Neoarctidae. The genus and species were first described and named by Grimaldi de Zio, D'Addabbo Gallo ...
, in 1998.
[Bello & Grimaldi de Zio (1998), ''Phylogeny of the genera of the Stygarctidae and related families (Tardigrada: Heterotardigrada).'' Zoologischer Anzeiger, vol. 237, p. 171-183.]
Subfamilies and genera
They are divided into the following subfamilies and genera:
*Megastygarctidinae
Bello & de Zio Grimaldi, 1998:
**''
Megastygarctides''
McKirdy, Schmidt & McGinty-Bayly, 1976
*Stygarctinae
Schulz, 1951:
**''
Faroestygarctus''
Hansen, Kristensen & Jørgensen, 2012
**''
Mesostygarctus''
Renaud-Mornant, 1979
**''
Parastygarctus''
Renaud-Debyser, 1965
**''
Prostygarctus''
Rubal, Veiga, Fontoura & Sousa-Pinto, 2013
**''
Pseudostygarctus''
McKirdy, Schmidt & McGinty-Bayly, 1976
**''
Stygarctus''
Schulz, 1951
References
Tardigrade families
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