| 词条 | Spironemidae |
| 释义 |
| image = File:Hemimastix amphikineta.png | image_caption = Hemimastix amphikineta | domain = Eukaryota | unranked_regnum = | unranked_subregnum = | phylum = Hemimastigophora | classis = | ordo = Hemimastigida | familia = Spironemidae | familia_authority = Doflein 1916 | subdivision_ranks = Genera | subdivision = * Hemimastix
| synonyms =
}}Spironemidae is a family of heterotrophic flagellates, in the group Hemimastigophora. They vary in size and shape from the ellipsoid Hemimastix amphikineta (14 × 7 μm) to the vermiform Spironema terricola (43 × 3 μm), and are united by the possession of two rows of cilia, called kineties.[1]Phylogenomic analysis shows that Hemimastigophora are a distinct and ancient lineage of eukaryotic organisms, forming a possible sister clade to the supergroup Diaphoretickes.[2][3] Taxonomy
References1. ^{{cite journal |author=Ilse Foissner & Wilhelm Foissner |year=1993 |title=Revision of the family Spironemidae Doflein (Protista, Hemimastigophora), with description of two new species, Spironema terricola n. sp. and Stereonema geiseri n. g., n. sp. |journal=Journal of Eukaryotic Microbiology |volume=40 |issue=4 |pages=422–438 |doi=10.1111/j.1550-7408.1993.tb04936.x}} {{Eukaryota}}{{Cercozoa-stub}}2. ^1 {{Cite journal|last=Lax|first=Gordon|last2=Eglit|first2=Yana|last3=Eme|first3=Laura|last4=Bertrand|first4=Erin M.|last5=Roger|first5=Andrew J.|last6=Simpson|first6=Alastair G. B.|date=2018-11-14|title=Hemimastigophora is a novel supra-kingdom-level lineage of eukaryotes|journal=Nature|volume=564|issue=7736|pages=410–414|language=En|doi=10.1038/s41586-018-0708-8|pmid=30429611|issn=0028-0836|df=}} 3. ^{{Cite news|url=https://www.cbc.ca/news/technology/hemimastigotes-supra-kingdom-1.4715823|title=Rare microbes lead scientists to discover new branch on the tree of life {{!}} CBC News|last=Chung|first=Emily|date=Nov 15, 2018|work=CBC|access-date=2018-11-17|language=en-US|archive-url=https://web.archive.org/web/20181117000124/https://www.cbc.ca/news/technology/hemimastigotes-supra-kingdom-1.4715823#|archive-date=2018-11-17|dead-url=no|df=}} 4. ^{{cite journal | website=Collection of genus-group names in a systematic arrangement |author= | year= | title=Part 1- Virae, Prokarya, Protists, Fungi | url=http://mave.tweakdsl.nl/tn/genera1.html | volume=| pages=| doi=|display-authors=etal| access-date=30 June 2016|archive-url=https://web.archive.org/web/20160814234049/http://mave.tweakdsl.nl/tn/genera1.html|archive-date=14 August 2016}} 3 : Thecofilosea|Cercozoa families|Hemimastigophora |
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