Biology:Sprigginidae
From HandWiki
Short description: Extinct family of cephalozoans
| Sprigginidae | |
|---|---|
| |
| 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
Fossils are found within the Ediacaran sediments of South Australia.[1]
Taxonomy
Sprigginidae presents 4 genera:
- †Spriggina[2] (type genus).
- †Marywadea
- †Cyanorus
- †Praecambridium, sometimes included into Yorgiidae.
Gallery
Spriggina floundersi
Cyanorus singularis
Praecambridium sigillum
See also
References
- ↑ Glaessner, Martin F. (1958). "New Fossils from the Base of the Cambrian in South Australia". Transactions of the Royal Society of South Australia 81: 185–188. BHL page 41001421. http://www.samuseum.sa.gov.au/Journals/TRSSA/TRSSA_V081/TRSSA_V081_p185p188.pdf.
- ↑ 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.
Wikidata ☰ Q107123108 entry
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