Echinodermata

Polyptychella esthona Jaekel, 1918

Synonymy list
1918     Polyptychella esthona n. sp. — Jaekel, fig. 20
1921     Polyptychella estona Jaekel — Bekker, pp. 32
Selection of related publications
Bekker, H. 1921. The Kuckers stage of the Ordovician Rocks in NE Estonia. Acta et Commentationes Universitatis Tartuensis II, 1, 1-90.
References based on distribution