Archaeocyatha

Class

Taxonomic relationships of Archaeocyatha

Ramuscyathus belongs to Archaeocyatha - Voronin et al. (1982)
Cryptaporocyathus belongs to Archaeocyatha - Rozanov et al. (1969)
Adaecyathus belongs to Archaeocyatha - Zhuravlev et al. (1983)
Archaeocyatha belongs to Porifera - Rowland (2001)
Regulares belongs to Archaeocyatha - Bambach et al. (2007)
Irregulares belongs to Archaeocyatha - Bambach et al. (2007)