Sprigginidae

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.

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 Glaessner, 1958[1]
Type species
†Spriggina floundersi Glaessner, 1958
Genera
See text

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