Echinodermata

Ristnacrinus marinus Öpik, 1934

Type specimen data
Synonymy list
1934     Ristnacrinus marinus n. gen.& n. sp. — Öpik, pp. 4, fig. I,II, text fig. 1
1975     Ristnacrinus marinus Öpik, 1934 — Yeltyschewa, pp. 126, fig. 1:1
1986     Ristnacrinus marinus Öpik, 1934 — Hynda, pp. 93, fig. XV 1.2
1988     Ristnacrinus marinus Öpik, 1934 — Stukalina, fig. 14:1-3
2000     Ristnacrinus marinus Öpik, 1934 — Stukalina, fig. II, III 1-6
Selection of related publications
Stukalina, G. A. 1986. Laws of historical development of crinoidea in the early and middle Paleozoic of the USSR.
Öpik, A. 1934. Ristnacrinus, a new Ordovician crinoid from Estonia. Tartu Ülikooli Geoloogia Instituudi Toimetused , 40, 1-7.
References based on distribution