†Archaeoellipsoides grandis Horodyski and Donaldson 1980

Hormogoneae - Nostocales - Nostocaceae

Synonym: Eosynechococcus giganteus Golovenok and Belova 1984

Full reference: R. J. Horodyski and J. A. Donaldson. 1980. Microfossils from the Middle Proterozoic Dismal Lakes Group, Arctic Canada. Precambrian Research 11:125-159

Belongs to Archaeoellipsoides according to V. N. Sergeev et al. 1995

See also Horodyski and Donaldson 1980

Sister taxa: Archaeoellipsoides bactroformis, Archaeoellipsoides conjunctivus, Archaeoellipsoides costatus, Archaeoellipsoides dolichos, Archaeoellipsoides elongatus, Archaeoellipsoides major, Archaeoellipsoides minor, Archaeoellipsoides obesus

Type specimens:

  • Archaeoellipsoides grandis: GSC-57988; coordinates 12.8x/12.2y. Its type locality is Locality A42, Dismal Lakes, which is in an Ectasian peritidal dolomite in the Kendall River Formation of Canada.
  • Eosynechococcus giganteus:

Ecology: stationary "photoautotroph"

Distribution:

• Ectasian of Canada (1: Nunavut collection), the Russian Federation (1)

• Calymmian of the Russian Federation (2)

Total: 4 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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