Name: Archaeoellipsoides Horodyski and Donaldson 1980
Category, proposed as: genus, gen. nov.
Etymology: Ar.chae.o.el.lips.o.i’des. Gr. masc. adj. archaîos, ancient; Gr. fem. n. elleipsis, ellipse; L. adj. suff. -oides, resembling, similar; from Gr. neut. adj. suff. -eides, resembling, similar; from Gr. neut. n. eîdos, that which is seen, form, shape, figure; N.L. masc. n. Archaeoellipsoides, an ancient ellipse-like organism
Gender, pronunciation (Latin): masculine (stem: Archaeoellipsoid-), ar-kha͡e-o-el-lips-o-I-des
Type species: Archaeoellipsoides grandis Horodyski and Donaldson 1980
Valid publication:
Horodyski RJ, Donaldson JA. Microfossils from the Middle Proterozoic Dismal Lakes Group, Arctic Canada. Precambrian Research 1980; 11:125-159. 
Nomenclatural status: validly published under the ICN (Botanical Code)
Taxonomic status: correct name
Number of child taxa with a validly published and correct name: 3
Number of child taxa with a validly published name, including synonyms: 3
Total number of child taxa: 3
| Name | Nomenclatural status | Taxonomic status |
|---|---|---|
| Archaeoellipsoides bactroformis Sergeev et al. 1995 | validly published under the ICN (Botanical Code) | correct name |
| Archaeoellipsoides costatus Sergeev et al. 1995 | validly published under the ICN (Botanical Code) | correct name |
| Archaeoellipsoides grandis Horodyski and Donaldson 1980 | validly published under the ICN (Botanical Code) | correct name |
Parent taxon: Nostocaceae Eichler 1886
Assigned by:
Sergeev VN, Knoll AH, Grotzinger JP. Paleobiology of the Mesoproterozoic Billyakh Group, Anabar Uplift, northern Siberia. J Paleontol 1995; 69:1-37. 
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