Orbisiana

Orbisiana
Temporal range: Middle to Late Ediacaran
~
A fossil of Orbisiana spumea
Scientific classification
Domain: Eukaryota
Clade: incertae sedis
Informal group: †Palaeopascichnida
Genus: †Orbisiana
Sokolov, 1976
Type species
†Orbisiana simplex
Sokolov, 1976
Species
  • O. simplex Sokolov, 1976
  • O. spumea Kolesnikov et al., 2022
  • O. intorta Kolesnikov et al., 2022
Synonyms
  • Neonereites Sokolov & Fedonkin, 1984
    • N. multiserialis Ivantsov et al., 2018

Orbisiana is an enigmatic extinct organism from the Ediacaran, and is made up of agglutinated spherical or hemispherical chambers. Recent studies have suggested and supported an affinity with Palaeopascichnus, and other similar organisms from the Ediacaran.

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