Brachiopoda

Catazyginae Copper, 1977

Selection of related publications
Copper, P. 1977. Zygospira and some related Ordovician and Silurian Atrypoid brachiopods. Palaeontology 20, 2, 295-335.
Rubel, M. P. 1970. Silurian Brachiopods Pentamerida and Spiriferida of Estonia.