Meisterfeldia

Meisterfeldia
	Meisterfeldia turfacea
Scientific classification
Domain:	Eukaryota
Phylum:	Amoebozoa
Class:	Tubulinea
Order:	Arcellinida
Family:	Cryptodifflugiidae
Genus:	Meisterfeldia; Bobrov 2016
Type species
	Meisterfeldia chibisovi; Bobrov 2016
Species
	Meisterfeldia vanhoornei (Beyens et Chardez 1986) Bobrov 2016 ; Meisterfeldia turfacea (Zacharias 1903) Bobrov 2016 ; Meisterfeldia chibisovi Bobrov 2016 ; Meisterfeldia wegeneri Bobrov 2016 ; Meisterfeldia polygonia Bobrov 2016 ; Meisterfeldia bitsevi Bobrov & Mazei 2021 ;

Meisterfeldia is a genus of arcellinid testate amoebae erected in 2016 that unites several new species as well as old species previously found in the genus Cryptodifflugia.^[1]^[3] Five of the newly described species were first found and isolated from subarctic tundra soil surrounding a river near Chokurdakh, Russia,^[1] while the last one, described in 2021, was recovered from tree hollows in Moscow.^[2]

Description

Members of this genus are characterized by their ovoid, bilaterally symmetrical, laterally compressed tests. These tests are either colorless, yellow or brown, composed of proteinaceous material that lacks mineral particles. The test's aperture is circular, localized either in a ventrally subterminal position or a neck inclined vertically. Sometimes, the aperture's border shows a slight swelling.^[1]

Taxonomy

The genus Meisterfeldia is named after the German protozoologist Ralf Meisterfeld. It encompasses 6 species described so far, distinguished from each other through the shape and size parameters of their tests:^[1]^[2]

Meisterfeldia chibisovi Bobrov 2016 (type species)
Meisterfeldia wegeneri Bobrov 2016
Meisterfeldia polygonia Bobrov 2016
Meisterfeldia vanhoornei (Beyens et Chardez 1986) Bobrov 2016 [basionym: Difflugiella vanhoornei Beyens et Chardez 1986]
Meisterfeldia turfacea (Zacharias 1903) Bobrov 2016 [basionym: Cryptodifflugia turfacea Zacharias 1903]
Meisterfeldia bitsevi Bobrov & Mazei 2021

References

^ ^a ^b ^c ^d ^e ^f Bobrov, Anatoly (2016). "Description of a New Testate Amoebae Genus Meisterfeldia with Notes on the Systematics of the Suborder Phryganellina (Amebozoa; Tubulinea; Arcellinida)". Acta Protozoologica. 55: 211–219. doi:10.4467/16890027AP.16.020.6007.
^ ^a ^b ^c Bobrov, Anatoly; Mazei, Yuri (2021). "Meisterfeldia bitsevi—new testate amoeba of the family Cryptodifflugiidae Jung, 1942 (Amoebozoa: Arcellinida) from the tree hollow in the urban park (Moscow, Russia) with a key to species of the genus Meisterfeldia". Zootaxa. 4908 (4): 595–600. doi:10.11646/zootaxa.4908.4.11. PMID 33756608. S2CID 232339152.
^ Lahr D, Kosakyan A, Lara E, Mitchell E, Morais L, Porfirio-Sousa AL, Ribeiro GM, Tice AK, Pánek T, Kang S, Brown MW (2019). "Phylogenomics and Morphological Reconstruction of Arcellinida Testate Amoebae Highlight Diversity of Microbial Eukaryotes in the Neoproterozoic". Current Biology. 29 (6): 991–1001. doi:10.1016/j.cub.2019.01.078. hdl:11380/1301486. PMID 30827918.

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[Meisterfeldia-1] ^ ^a ^b ^c ^d ^e ^f Bobrov, Anatoly (2016). "Description of a New Testate Amoebae Genus Meisterfeldia with Notes on the Systematics of the Suborder Phryganellina (Amebozoa; Tubulinea; Arcellinida)". Acta Protozoologica. 55: 211–219. doi:10.4467/16890027AP.16.020.6007.

[bitsevi-2] Bobrov, Anatoly; Mazei, Yuri (2021). "Meisterfeldia bitsevi—new testate amoeba of the family Cryptodifflugiidae Jung, 1942 (Amoebozoa: Arcellinida) from the tree hollow in the urban park (Moscow, Russia) with a key to species of the genus Meisterfeldia". Zootaxa. 4908 (4): 595–600. doi:10.11646/zootaxa.4908.4.11. PMID 33756608. S2CID 232339152.

[3] Lahr D, Kosakyan A, Lara E, Mitchell E, Morais L, Porfirio-Sousa AL, Ribeiro GM, Tice AK, Pánek T, Kang S, Brown MW (2019). "Phylogenomics and Morphological Reconstruction of Arcellinida Testate Amoebae Highlight Diversity of Microbial Eukaryotes in the Neoproterozoic". Current Biology. 29 (6): 991–1001. doi:10.1016/j.cub.2019.01.078. hdl:11380/1301486. PMID 30827918.

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