Genus
Tetragonocrinus Yeltyschewa, 1964
Aiheeseen liittyvät julkaisut
Rozhnov, S. V. 1988. Morfologiâ i sistematičeskoe položenie nižneordovikskih morskih lilij. Paleontologicheski Zhurnal 2, 67-79.
Yeltyscheva, R. S. (Yeltyschewa, R. S.) 1964. Stebli ordovikskih morskih lilij Pribaltiki (nižnij ordovik). Voprosy paleontologii IV, 59-82. Izdatel'stvo Leningradskogo Universiteta.
List of species
1. Tetragonocrinus pygmaeus (Eichwald, 1860) | Lower Ordovician
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Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Echinodermata |
| Subphylum | Pelmatozoa |
| Class | Crinoidea |
| Superclass | Pentacrinoidea |
| Infraclass | Inadunata |
| Parvclass | Disparida |
| Order | Tetragonocrinidae |
| Genus | Tetragonocrinus |
| Species | pygmaeus |
Levinneisyys ja viitteet
- Rozhnov, 1988a Babino quarry Leningrad district Volkhov Stage
- Rozhnov, 1988a [Duplicate record of 12327] Putilovo Quarry Volkhov Stage
- Rozhnov, 1988a Lynna river, Leningrad Oblast Volkhov Stage
- Rozhnov, 1988a Volkhov River outcrops Volkhov Stage
- Rozhnov, 1988a Lava River, Leningrad Oblast Volkhov Stage
- Yeltyscheva, 1964 Isvos, Leningrad Oblast Volkhov Stage
- Yeltyscheva, 1964 Popovka River, Leningrad Oblast Volkhov Stage
- Yeltyscheva, 1964 Volkhov Stage
- Rozhnov, 1988a Lower Ordovician