Tentaculita

Cornulites semiapertus Öpik, 1930

Type specimen data
Synonymy list
1930     Cornulites semiapertus nov. sp. — Öpik, pp. 8, fig. 1: 1, t-f 4-7
2013     Cornulites? semiapertus Öpik, 1930 — Vinn, pp. 108, fig. 3,4
Selection of related publications
Vinn, O. 2013. Cornulitid tubeforms from the Ordovician of Eastern Baltic. Carnets de Géologie , 03, 131-138.
Vinn, O. 2010. Shell microstructure of Cornulites semiapertus Öpik, 1930 and other early cornulitids from the Ordovician of North Estonia. GFF 132, 2, 129-132. DOI:10.1080/11035897.2010.483309
Öpik, A. 1930. Beiträge zur Kenntnis der Kukruse-(C2-C3-)Stufe in Eesti. IV. Tartu Ülikooli Geoloogia Instituudi Toimetused 24, 1-34.
References based on distribution