Porifera

Tetralithistida Lagneau-Hérenger, 1962

Selection of related publications
Assatkin, B. P. 1949. Type Porifera. Sponges. Atlas of the leading forms of the fossil faunas of the USSR, 2. Silurian System, pp. 63–73.
Lamansky, V. V. 1905. Drevnejšie sloi silurijskih otloženij Rossii. Memoires du Comite Geologique 20, 1-147.