Sprigginidae information

Sprigginidae is an extinct family of cephalozoans characterized by having a greater number of isomers than its sister taxon, Yorgiidae. They lived approximately...

1955 †Dickinsoniidae Harrington & Moore, 1955 †Cephalozoa Ivantsov. 2004 †Sprigginidae Glaessner, 1958 †Yorgiidae Ivantsov, 2001 For more taxa, see text...

(millions of years ago). Cephalozoa includes the families Yorgiidae and Sprigginidae: † Archaeaspinus Ivantsov, 2007 (synonym of Archaeaspis) † Archaeaspinus...

Kingdom: Animalia Phylum: †Proarticulata Class: †Cephalozoa Family: †Sprigginidae Genus: †Spriggina Glaessner, 1958 Species: †S. floundersi Binomial name...

Kingdom: Animalia Phylum: †Proarticulata Class: †Cephalozoa Family: †Sprigginidae Genus: †Marywadea Glaessner, 1976 Species: †M. ovata Binomial name †Marywadea...

Kingdom: Animalia Phylum: †Proarticulata Class: †Cephalozoa Family: †Sprigginidae Genus: †Cyanorus Ivanstov, 2004 Species: †C. singularis Binomial name...

Praecambridium sigillum is an extinct organism that superficially resembles a segmented trilobite-like arthropod. It was originally described as being...