Bryozoa

Mesotrypa discoidea Ulrich, 1893

Synonymy list
1893     Mesotrypa discoidea — Ulrich, pp. 260, fig. 12
1978     Mesotrypa discoidea Ulrich, 1893 — Astrova, pp. 100
Selection of related publications
Männil, R. M. 1959. On Ordovician stratigraphy and bryozoans of Estonia.