Echinodermata
Order

Hemistreptocrinida Arendt, 1976

Selection of related publications
Arendt, Yu. A., Rozhnov, S. V. 1995. On the hemistreptocrinoids (Echinodermata).Paleontologicheski Zhurnal 1 , 119-122.
Arendt, Yu. A. 1976. Ordovikskie iglokožie gemistreptokrinoidei.Bulletin of the Moscow Society of Naturalists. Geological series 51 , 2,63-84.
List of species
2. Hemistreptocrinus jaekeli Arendt, 1976 | Kunda StageUhaku Stage
3. Nonparactocrinus laevis (Jaekel, 1918) | Aseri StageUhaku Stage
4. Paractocrinus tuberculatus Jaekel, 1918 | Volkhov StageOandu Stage
5. Parorthocrinus liber Jaekel, 1918 | Volkhov StageKunda Stage
6. Tetractocrinus compactus Jaekel, 1918 | Volkhov StageKunda Stage