Yorgiidae is an extinct family of cephalozoans, which lived 635 million years ago. They were filter fed. Like most proarticulates, they present semi-bilateral...
2 KB (109 words) - 01:18, 29 October 2023
Cephalozoa (section Yorgiidae)
and shows a "head" with fine distribution channels. Some species of the Yorgiidae family also show some asymmetry. They were discovered in Russia near the...
5 KB (376 words) - 18:52, 4 April 2024
characterized by having a greater number of isomers than its sister taxon, Yorgiidae. They lived approximately 635 million years ago, in the Ediacaran period...
2 KB (140 words) - 06:25, 14 January 2024
Spriggina, Marywadea and Cyanorus). Some cephalozoans from the family Yorgiidae demonstrate pronounced asymmetry of the left and right parts of the body...
18 KB (1,467 words) - 01:01, 5 May 2024
Archaeaspinus fedonkini (category Yorgiidae)
fossil record between 571-551Ma. As with other genera within the family Yorgiidae, Archaeaspinus is discoid. Much of its body segmented by up to 15 bilateral...
7 KB (720 words) - 14:06, 21 August 2024
Kingdom: Animalia Phylum: †Proarticulata Class: †Cephalozoa Family: †Yorgiidae Genus: †Yorgia Ivantsov, 1999 Species: †Y. waggoneri Binomial name †Yorgia...
10 KB (986 words) - 03:56, 12 June 2024
Praecambridium (category Yorgiidae)
Kingdom: Animalia Phylum: †Proarticulata Class: †Cephalozoa Family: †Yorgiidae (?) Genus: †Praecambridium Glaessner & Wade, 1966 Species: †P. sigillum...
7 KB (648 words) - 21:55, 28 March 2024
Spriggina, Marywadea and Cyanorus. Some cephalozoans from the family Yorgiidae demonstrate pronounced asymmetry of left and right parts of the body....
8 KB (757 words) - 15:53, 25 April 2023