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
''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 ...
'' was first placed in the family Stygarctidae,
but it was moved to a separate family,
Neoarctidae, 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
''Megastygarctides'' is a genus of tardigrades, the only one in the subfamily Megastygarctidinae in the family Stygarctidae. The genus was first described and named by McKirdy, Schmidt
Schmidt may refer to:
* Schmidt (surname), including list ...
''
McKirdy, Schmidt & McGinty-Bayly, 1976
*Stygarctinae
Schulz, 1951:
**''
Faroestygarctus
''Faeroestygarctus dezioae'' is a species of armoured marine tardigrades. It is the only species of ''Faroestygarctus'', a genus of the family Stygarctidae.
The genus name refers to the type locality: the Faroe Islands. It was described in 2012 ...
''
Hansen, Kristensen & Jørgensen, 2012
**''
Mesostygarctus
''Mesostygarctus'' is a genus of tardigrades, in the family Stygarctidae
The Stygarctidae are a family of tardigrades. The family was first described by Schulz in 1951. The genus '' Neoarctus'' was first placed in the family Stygarctidae, but ...
''
Renaud-Mornant, 1979
**''
Parastygarctus
''Parastygarctus'' is a genus of tardigrades, in the family Stygarctidae
The Stygarctidae are a family of tardigrades. The family was first described by Schulz in 1951. The genus '' Neoarctus'' was first placed in the family Stygarctidae, but ...
''
Renaud-Debyser, 1965
**''
Prostygarctus
The Stygarctidae are a family of tardigrades. 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'' ...
''
Rubal, Veiga, Fontoura & Sousa-Pinto, 2013
**''
Pseudostygarctus
''Pseudoastygarctus'' is a genus of tardigrades in the family Stygarctidae. The genus was first described and named by McKirdy, Schmidt
Schmidt may refer to:
* Schmidt (surname), including list of people with the surname
* Schmidt (singer) (bo ...
''
McKirdy, Schmidt & McGinty-Bayly, 1976
**''
Stygarctus
''Stygarctus'' is a genus of tardigrades in the family Stygarctidae. It was named by Erich Schulz in 1951. The name is a combination of Greek ''Styx'' and ''arktos'' ("bear").
Species
The genus includes the following species:
* '' Stygarctus ab ...
''
Schulz, 1951
References
Tardigrade families
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