Orpikania freucheni Peel

Plant Fossil Names Registry Number: PFN000528

Act LSID: urn:lsid:plantfossilnames.org:act:528

Authors: J. S. Peel

Rank: species

Reference: Peel, J. S. (2018): An epiphytacean-Girvanella (Cyanobacteria) symbiosis from the Cambrian (Series 3; Drumian) of North Greenland (Laurentia). – Bulletin of Geosciences 93(3): 327–336.

Page of description: 330

Illustrations or figures: fig. 2B–E, H–J, N

Name is type taxon for


Holotype PMU 31759, Museum of Evolution, Uppsala University, Uppsala, Sweden
Figures: fig. 2B, C

Note: holotype: from GGU sample 315119 [GGU indicates a sample made during regional geological campaigns of Grønlands Geologiske Undersøgelse (Geological Survey of Greenland)]

paratypes: PMU 31761, PMU 31763–31765, PMU 31767, PMU 31768 from GGU sample 315119

Original protologue

Multi-axial epiphytacean with cylindrical dichotomous branches about 100 μm in diameter and with points of branching about 1 mm apart. Cell height about half of filament width; mineralized sheath thin, reflecting the underlying cell structure.


For Peter Freuchen (1886–1957), Danish author, adventurer and arctic explorer, after whom Freuchen Land was named.


Cambrian, Cambrian Series 3, Drumian
Ekspedition Bræ Formation


Southern Freuchen Land, North Greenland, Greenland

Plant fossil remain

cyanobacteria and other prokaryotes