†Grypania spiralis Walcott 1899 (green algae)
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Alternative combination: Helminthoidichnites spiralis
Full reference: C. D. Walcott. 1899. Pre-Cambrian fossiliferous formations. Bulletin of the Geological Society of America 10:199-244
Belongs to Grypania according to M. R. Walter et al. 1976
See also Walcott 1899
Sister taxa: none
Ecology: stationary epifaunal "photoautotroph"
Distribution:
• Ediacaran of China (1 collection)
• Calymmian of China (1), United States (3: Montana)
• Mesoproterozoic of India (1)
• Orosirian of United States (1: Michigan)
Total: 7 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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