Sprigginidae
| Sprigginidae Temporal range: Ediacaran
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|---|---|
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| Spriggina floundersi | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | †Proarticulata |
| Class: | †Cephalozoa |
| Family: | †Sprigginidae Ivantsov, 1999 |
| Type species | |
| †Spriggina floundersi Glaessner, 1958
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| Genera | |
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See text | |
Sprigginidae is an extinct family of cephalozoans characterized by having a greater number of isomers than its sister taxon, Yorgiidae. They lived approximately 635 million years ago, in the Ediacaran period.
Distribution
[edit]Fossils are found within the Ediacaran sediments of South Australia.[1]
Taxonomy
[edit]Sprigginidae presents 4 genera:
- †Spriggina[2] (type genus).
- †Marywadea
- †Cyanorus
- †Praecambridium, sometimes included into Yorgiidae.
Gallery
[edit]-
Spriggina floundersi -
Cyanorus singularis -
Praecambridium sigillum
See also
[edit]References
[edit]- ^ Glaessner, Martin F. (1958). "New Fossils from the Base of the Cambrian in South Australia" (PDF). Transactions of the Royal Society of South Australia. 81: 185–188. BHL page 41001421. Archived from the original (PDF) on 29 September 2007.
- ^ De, C (2005). "Ediacara fossil assemblage in the upper Vindhyans of Central India and its significance". Journal of Asian Earth Sciences. 27 (5): 660–683. doi:10.1016/j.jseaes.2005.06.006.
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