Alaimidae
| Alaimidae | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Nematoda |
| Class: | Enoplea |
| Order: | Dorylaimida |
| Family: | Alaimidae |
Alaimidae is a family of nematodes (roundworms) belonging to the order Dorylaimida.[1] Members of this family are free-living nematodes commonly found in soil and aquatic habitats, where they play an important role in nutrient cycling and the decomposition of organic matter.[2]
Morphology
[edit]Species in the Alaimidae family are generally characterized by a slender, elongate body, a well-developed esophagus with a basal bulb, and a simple reproductive system. The cuticle is typically smooth or faintly striated, and amphids are well developed, aiding their sensory perception.[3]
Ecology
[edit]Alaimidae species are known for their adaptability to a range of environmental conditions. They are found in a variety of terrestrial and freshwater environments, often associated with decaying plant material. As bacterivores and detritivores, they contribute significantly to soil health and are sometimes used as bioindicators in ecological and environmental studies.[4]
Genera
[edit]The family includes the following recognized genera:[1]
- Adorus Thorne, 1939
- Alaimus de Man, 1880
- Amphidelus Thorne, 1939
- Alaimoides Heyns, 1963
- Aporcelaimellus Andrássy, 1959
Taxonomic history
[edit]The family Alaimidae was first described by Filipjev in 1934 and has since undergone various revisions as molecular techniques have improved phylogenetic understanding of nematodes.[5] Recent studies continue to refine the classification, with new genera occasionally being described based on morphological and genetic analysis.[6]
References
[edit]- ^ a b "Alaimidae". Global Biodiversity Information Facility. Retrieved 6 May 2025.
- ^ Andrássy, I. (2009). "Free-living nematodes of Hungary (Nematoda Errantia). Vol. 2". Hungarian Natural History Museum and Systematic Zoology Research Group of the Hungarian Academy of Sciences.
- ^ Loof, P.A.A. (1971). "On the systematics of the Dorylaimida (Nematoda)". Nematologica. 17: 79–89. doi:10.1163/187529271X00176.
- ^ Yeates, G.W.; Boag, B. (1999). "Ecological basis of control of plant parasitic nematodes". Annual Review of Phytopathology. 37: 127–149. doi:10.1146/annurev.phyto.37.1.127.
- ^ Filipjev, I.N. (1934). "On the classification of the free-living nematodes". Recueil des Travaux de la Société des Naturalistes de Léningrad. 66: 173–184.
- ^ Holterman, M. (2006). "Phylogenetic relationships among nematodes based on nuclear 18S rDNA". Molecular Phylogenetics and Evolution. 40 (2): 395–420. doi:10.1016/j.ympev.2006.03.012.