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Informal group:
†"
Pithonelloid taxa
"
(protist)
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Entity:
†Calcitarcha (Group) - calcispheres
..†Asterosphaerella (Genus)
..†Bachmayerella (Genus)
..†Barnesiella (Genus)
..†Bolboforma (Genus)
..†Calcisphaera (Genus)
..†Chonesphaera (Genus)
..†Cimicellus (Genus)
..†Gildaella (Genus)
..†Gilianelloid taxa
..†Globulella (Genus)
..†Lucernellus (Genus)
..†Moravosphaera (Genus)
..†Nannoconoides (Genus)
..†Pachysphaerina (Genus)
..†Pilella (Genus)
..†Piperella (Genus)
..†Polyderma (Genus)
..†Pseudopithonella (Genus)
..†Quasipolyderma (Genus)
..†Radiina (Genus)
..†Radiosphaera (Genus)
..†Schizosphaerella (Genus)
..†Sinothoracosphaera (Genus)
..†Stomiosporella (Genus)
..†Tubella (Genus)
..†Vasculum (Genus)
..†Pithonelloid taxa
....†Bonetiella (Genus)
....†Bonetocardiella (Genus)
....†Burocratus (Genus)
....†Lentodinella (Genus)
....†Microconus (Genus)
....†Navarrella (Genus)
....†Pithonella (Genus)
....†Pleurozonaria (Genus)
....†Praecalcisphaerula (Genus)
....†Risserella (Genus)
....†Septiareata (Genus)
....†Wallia (Genus)
....†Zugelia (Genus)
Concise hierarchy
(Domain)
Eukaryota
-
(Group)
Calcitarcha
Subsequent positions
†
Calcitarcha
(Group)
G.J.M. Versteegh, T. Servais, Streng, Munnecke & Vachard (2009)
Ref:
G.J.M. Versteegh et al., 2009
: table 1 (p. 345); 346.
Current position
†
Calcitarcha
(Group)
G.J.M. Versteegh, T. Servais, Streng, Munnecke & Vachard (2009)
Ref:
G.J.M. Versteegh et al., 2009
: table 1 (p. 345).
[
new position
]
Alternative positions
Thoracosphaeraceae
(Family)
J. Schiller (1930)
Ref:
M. Elbrächter et al., 2008
: list 1 (p. 1298).
[inferred name]
Historical positions
†
Calcitarcha
(Group)
G.J.M. Versteegh, T. Servais, Streng, Munnecke & Vachard (2009)
Ref:
G.J.M. Versteegh et al., 2009
: table 1 (p. 345).
[
new position
]
Number of Subtaxa
2025
Available in Systema Naturae 2000
†13g
1989-present
Systema Naturae 2000
: 18 Apr 2016
[; †13g]
2009
G.J.M. Versteegh et al.
: table 1 (p. 345)
[; †12g]
©2004-2024 Universal Taxonomic Services
Last updated:
1 Feb 2024