Echinodermata

Iocrinidae Moore et Laudon, 1943

Selection of related publications
Ausich, W. I., Rozhnov, S. V. & Kammer, T. W. 2015. Iocrinid Crinoids from the Ordovician of the Baltic Region, Estonia. Paleontological Journal 49, 2, 145-152. DOI:10.1134/S0031030115020069
Rozhnov, S. V. 1988. Morphology and systematic position of the Lower Ordovician crinoids. Paleontologicheski Zhurnal , 2, 67-79.
Stukalina, G. A. 1988. Studies in Paleozoic crinoid-columnals and -stems. Palaeontographica 204, 1-66.
Stukalina, G. A. 1986. Laws of historical development of crinoidea in the early and middle Paleozoic of the USSR.
Donovan, S. K. 1984. Ristnacrinus and the earliest myelodactylid from the Ashgillian Boda Limestone of Sweden. GFF 109, 4, 347-356. DOI:10.1080/11035898509454663
Yeltyscheva, R. S. 1979. Stems of Paleozoic sea lilies of the Baltic area (Upper Ordovician). Collection papers "Problems Paleontology", pp. 94-100.
Stukalina, G. A. 1979. A new family of Ordovician crinoids. Paleontologicheski Zhurnal 4, 89-95.
Rõõmusoks, A. 1970. Stratigraphy of the Viruan Series (Middle Ordovician) in Northern Estonia, I.
Yeltyscheva, R. S. 1966. Stems of Ordovician sea lilies from Baltics. Voprosy paleontologii V, 53-70. Voprosy paleontologi, V, pp. 53-70.
Yeltyscheva, R. S. 1964. Stems of Ordovician sea lilies of the Baltic area (Lower Ordovician). Voprosy paleontologii IV, 59-82. Voprosy paleontologi, IV, pp. 59-82.
Yakovlev, N. N. 1956. A revision of the characteristics of the genus Ristnacrinus Öpik. Yearbook of All-Union Paleontological Society XV, 155-157.
Öpik, A. 1934. Ristnacrinus, a new Ordovician crinoid from Estonia. Tartu Ülikooli Geoloogia Instituudi Toimetused , 40, 1-7.
Teichert, C. 1928. Stratigraphische und paläontologische Untersuchungen im unteren Gotlandium (Tamsal-Stufe) des westlichen Estland und der Insel Dagö.. Neues Jahrbuch für Mineralogie, Geologie und Paläontologie. Monatshefte: Abt. B. Geologie, Paläontologie 60, 1-112.
Eichwald, E. 1861. Палеонтология России. Древний период. II. Фауна граувакковой, горноизвестковой и медистослaнцеватой формаций России .
Eichwald, E. 1860. Lethaea Rossica ou Paléontologie de la Russie, décrite et figurée. 1, Seconde Section de l’ancienne Période. DOI:10.5962/bhl.title.52391