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Grypania spiralis

Taxonomy
Helminthoidichnites spiralis was named by Walcott (1899). It is a compression fossil. Its type locality is Deep Creek Canyon, which is in a Calymmian marine horizon in the Greyson Formation of Montana.

It was recombined as Grypania spiralis by Walter et al. (1976).

Synonymy list
YearName and author
1899Helminthoidichnites spiralis Walcott p. 236
1976Grypania spiralis Walter et al. p. 877

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RankNameAuthor
—Life
—Eukaryota()
—Archaeplastida
—Chloroplastida
RankNameAuthor
phylumChlorophytaReichenbach 1834
genusGrypania
speciesspiralis()

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

†Grypania spiralis Walcott 1899
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Environment: lagoonal, coastal, inner shelf, marine, brackish, freshwaterp
Locomotion: stationaryp
Attached: yesp
Life habit: epifaunalp
Diet: "photoautotroph"p
Created: 2007-10-23 02:26:17
Modified: 2007-10-23 04:26:17
Source: p = phylum
Reference: Kiessling 2004

Age range: base of the Orosirian to the top of the Ediacaran or 2050.00000 to 541.00000 Ma

Collections (7 total)


Time interval Ma Country or state Original ID and collection number
Orosirian2050.0 - 1800.0USA (Michigan) Grypania spiralis (192010)
Calymmian1600.0 - 1400.0USA (Montana) Grypania spiralis (10306 192007) Helminthoidichnites spiralis (227999)
Mesoproterozoic1600.0 - 1000.0India (Bihar) Grypania spiralis (192009)
Neoproterozoic1000.0 - 541.0China (Tianjin) Grypania spiralis (10312)
Ediacaran635.0 - 541.0China (Guizhou) Grypania spiralis (91632)