Species
Parorthocrinus liber Jaekel, 1918
Synonyymit
1918 Parorthocrinus liber n. g., n. sp. — Jaekel , pp. 26, fig. 18
1976 Parorthocrinus liber Jaekel, 1918 — Arendt , pp. 77, fig. I 2
Aiheeseen liittyvät julkaisut
Arendt, Yu. A. 1976. Ordovikskie iglokožie gemistreptokrinoidei. Bulletin of the Moscow Society of Naturalists. Geological series 51, 2, 63-84.
Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Echinodermata |
| Subphylum | Pelmatozoa |
| Class | Crinoidea |
| Order | Hemistreptocrinida |
| Family | Hemistreptocrinidae |
| Genus | Parorthocrinus |
| Species | liber |
Levinneisyys ja viitteet
- Arendt, 1976 Volkhov Stage