Trachelocercidae is a family of ciliates in the class Karyorelictea.
Trachelocercidae | |
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Drawing of Tracheloraphis phoenicopterus by Ferdinand Cohn (1866) | |
Scientific classification ![]() | |
Domain: | Eukaryota |
Clade: | Diaphoretickes |
Clade: | SAR |
Clade: | Alveolata |
Phylum: | Ciliophora |
Class: | Karyorelictea |
Order: | Protostomatida |
Family: | Trachelocercidae Kent, 1881 |
Systematics
editTrachelocercidae is the largest family within the Karyorelictea with about 70 nominal species so far described.[1]
Description
editTrachelocercids usually have an elongated body, which may be divided into head, neck, trunk and tail regions, an apical oral cavity, and most have several macronuclei and micronuclei arranged in nuclear groups[1][2][3][4]
References
edit- ^ a b Ma, Mingzhen; Xu, Yuan; Yan, Ying; Li, Yuqing; Warren, Alan; Song, Weibo (2021). "Taxonomy and molecular phylogeny of four karyorelictid species belonging to the genera Apotrachelocerca and Tracheloraphis (Protozoa: Ciliophora), with descriptions of two new species". Zoological Journal of the Linnean Society. 192 (3): 690–709. doi:10.1093/zoolinnean/zlaa109.
- ^ Foissner, W.; Al-Rasheid, K. A. S. (1999). "Updating the trachelocercids (Ciliophora, Karyorelictea). VI. A detailed description of Sultanophrys arabica nov. gen., nov. spec. (Sultanophryideae nov. fam.)". European Journal of Protistology. 35 (2): 146–160. doi:10.1016/S0932-4739(99)80032-7.
- ^ Foissner, W.; Al-Rasheid, K.A.S. (1999). "Ontogenesis in a trachelocercid ciliate (Ciliophora, Karyorelictea), Sultanophrys arabica, with an account of evolution at the base of the ciliate tree" (PDF). Acta Protozoologica. 38: 273–290.
- ^ Yan, Y.; Xu, Y.; Al-Farraj, S.A.; Al-Rasheid, K. A. S; Song, W. (2016). "Morphology and phylogeny of three trachelocercids (Protozoa, Ciliophora, Karyorelictea), with description of two new species and insight into the evolution of the family Trachelocercidae". Zoological Journal of the Linnean Society. 177 (2): 306–319. doi:10.1111/zoj.12364.