Sprigginidae

Sprigginidae Temporal range: 635.0–541.0 Ma PreꞒ Ꞓ O S D C P T J K Pg N Ediacaran
Spriggina floundersi
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	†Proarticulata
Class:	†Cephalozoa
Family:	†Sprigginidae Ivantsov, 1999
Type species
†Spriggina floundersi Glaessner, 1958
Genera
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

• Cephalozoa
• Yorgiidae

References

1. 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.
2. 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.