Lobosa
| Lobosa | |
|---|---|
| Scientific classification | |
| (unranked): | |
| Subphylum: | Lobosa Carpenter, 1861, em. Cavalier-Smith, 2009
|
| Classes | |
Lobosa is a taxonomic group of amoebae possessing broad, bluntly rounded pseudopods. In current classification schemes, it is a subphylum of Amoebozoa, composed of amoebae that have lobose pseudopods but lack cilia or flagella.[1][2]
The group was originally proposed in 1861 by William B. Carpenter, who created it as a taxonomic order containing the single family Amoebina.[3] Carpenter's Lobosa consisted of amoeboid organisms whose endoplasm (endosarc) flows into lobe-like "pseudopodian prolongations." This type of pseudopod, which was understood to be typical of the genus Amoeba "and its allies," differed from the filose (thread-like) or reticulose (netlike) pseudopods of the Foraminifera. The name Lobosa was chosen for these amoebae "as expressing the lobe-like character of their pseudopodial extensions."[4]
As currently defined, the subphylum Lobosa includes both shelled (testate) and naked amoebae, but excludes some amoebozoan organisms traditionally regarded as "lobosean", such as Pelomyxa and Entamoeba.
References
- ^ Smirnov, Alexey V. (2011). "A Revised Classification of Naked Lobose Amoebae (Amoebozoa: Lobosa)" (PDF). Protist. 162 (4). doi:10.1016/j.protis.2011.04.004.
- ^ Cavalier-Smith, Thomas (2009-02-01). "Megaphylogeny, cell body plans, adaptive zones: causes and timing of eukaryote basal radiations". The Journal of Eukaryotic Microbiology. 56 (1): 26–33. ISSN 1550-7408. PMID 19340985.
- ^ Carpenter, William Benjamin (1861). "On the systematic arrangement of the Rhizopoda". Natural History Review (Dublin and London). 1 (4).
- ^ Carpenter, William Benjamin (1862). Introduction to the Study of the Foraminifera. Ray Society. pp. 16–28.
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