Enoplida is an
order of
nematode
The nematodes ( or grc-gre, Νηματώδη; la, Nematoda) or roundworms constitute the phylum Nematoda (also called Nemathelminthes), with plant-Parasitism, parasitic nematodes also known as eelworms. They are a diverse animal phylum inhab ...
s. It is one of two orders in
Enoplia
The Enoplia are a subclass of nematodes in the class Enoplea.
Description
Enoplians are characterized by amphids shaped like ovals, stirrups, or pouches. Their bodies are smooth, without rings or lines. The esophagus is cylindrical and gland ...
, which is one of two subclasses in Class
Enoplea
Enoplea (enopleans) is a class, which with the classes SecernenteaTree of Life Web Project (ToL) (2002)Nematoda Version of January 1, 2002. Retrieved November 2, 2008. and Chromadorea make up the phylum Nematoda in current taxonomy. The Enoplea ...
.
[Class Enoplea.]
Nemaplex: Nematode-Plant Expert Information System. University of California, Davis. Version October 9, 2012.
Nematode Classification. Department of Nematology. University of California, Riverside.
These nematodes are mostly free-living
marine
Marine is an adjective meaning of or pertaining to the sea or ocean.
Marine or marines may refer to:
Ocean
* Maritime (disambiguation)
* Marine art
* Marine biology
* Marine debris
* Marine habitats
* Marine life
* Marine pollution
Military
* ...
animals.
Most feed on
diatom
A diatom (Neo-Latin ''diatoma''), "a cutting through, a severance", from el, διάτομος, diátomos, "cut in half, divided equally" from el, διατέμνω, diatémno, "to cut in twain". is any member of a large group comprising sev ...
s and other
algae
Algae (; singular alga ) is an informal term for a large and diverse group of photosynthetic eukaryotic organisms. It is a polyphyletic grouping that includes species from multiple distinct clades. Included organisms range from unicellular mic ...
s.
[
]
Subdivisions
Upon phylogenetic analysis
In biology, phylogenetics (; from Greek φυλή/ φῦλον [] "tribe, clan, race", and wikt:γενετικός, γενετικός [] "origin, source, birth") is the study of the evolutionary history and relationships among or within groups o ...
in 2010, the order was divided into five clade
A clade (), also known as a monophyletic group or natural group, is a group of organisms that are monophyletic – that is, composed of a common ancestor and all its lineal descendants – on a phylogenetic tree. Rather than the English term, ...
s. Clades and selected families
Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Ideall ...
include:[
*Clade I
**Family ]Rhabdolaimidae
Rhabdolaimidae is a family of nematodes belonging to the order Araeolaimida
Araeolaimida is an order of marine free living nematodes.
References
Araeolaimidaat WoRMS
Nematode orders
{{chromadorea-stub ....
Genera:
* '' Mediola ...
*Clade II
**Family Alaimidae
**Family Ironidae
Ironidae is a family of nematodes belonging to the order Enoplida
Enoplida is an order of nematodes. It is one of two orders in Enoplia, which is one of two subclasses in Class Enoplea.[Tripyloididae
Tripyloididae is a family of nematodes belonging to the order Araeolaimida.
Characteristics
The following traits define the genus:
* the amphid is located posterior to the buccal cavity
* the spicule is wide
* the gubernaculum has little teet ...]
**Family Trefusiidae
Trefusiidae is a family of nematodes belonging to the order Enoplida
Enoplida is an order of nematodes. It is one of two orders in Enoplia, which is one of two subclasses in Class Enoplea.[Oxystominidae
Oxystominidae is a family of nematodes belonging to the order Enoplida
Enoplida is an order of nematodes. It is one of two orders in Enoplia, which is one of two subclasses in Class Enoplea.][Oncholaimidae
Oncholaimidae is a family of nematodes belonging to the order Enoplida
Enoplida is an order of nematodes. It is one of two orders in Enoplia, which is one of two subclasses in Class Enoplea.][Enchelidiidae
Enchelidiidae is a family of nematodes belonging to the order Enoplida
Enoplida is an order of nematodes. It is one of two orders in Enoplia, which is one of two subclasses in Class Enoplea.][Thoracostomopsidae
Thoracostomopsidae is a family of nematodes belonging to the order Enoplida
Enoplida is an order of nematodes. It is one of two orders in Enoplia, which is one of two subclasses in Class Enoplea.][Enoplidae
Enoplidae is a family of nematodes belonging to the order Enoplida
Enoplida is an order of nematodes. It is one of two orders in Enoplia, which is one of two subclasses in Class Enoplea.][Phanodermatidae
Phanodermatidae is a family of nematodes belonging to the order Enoplida
Enoplida is an order of nematodes. It is one of two orders in Enoplia, which is one of two subclasses in Class Enoplea.][Leptosomatidae
Leptosomatidae is a family of benthic marine nematode
The nematodes ( or grc-gre, Νηματώδη; la, Nematoda) or roundworms constitute the phylum Nematoda (also called Nemathelminthes), with plant- parasitic nematodes also known as e ...]
The World Register of Marine Species
The World Register of Marine Species (WoRMS) is a taxonomic database that aims to provide an authoritative and comprehensive list of names of marine organisms.
Content
The content of the registry is edited and maintained by scientific specialist ...
shows the following suborders within Enoplida:Oncholaimina
Oncholaimoidea is a superfamily of nematodes. It is the only superfamily in the monotypic
In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does n ...
* Trefusiina
* Trichinellina
* Tripyloidina
References
Bibliography
*
*
Enoplia
Nematode orders
{{Enoplea-stub