Species
Pentagonocyclicus bifidus Yeltyschewa, 1964
Synonyymit
1964 Pentagonocyclicus bifidus Yeltyschewa sp. nov. — Yeltyschewa , pp. 74, fig. III 23, 24
Aiheeseen liittyvät julkaisut
Yeltyscheva, R. S. (Yeltyschewa, R. S.) 1964. Stebli ordovikskih morskih lilij Pribaltiki (nižnij ordovik). Voprosy paleontologii IV, 59-82. Izdatel'stvo Leningradskogo Universiteta.
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Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Echinodermata |
| Subphylum | Pelmatozoa |
| Class | Crinoidea |
| Organism group | Stemmed echinoderms outgroup (informal) |
| Genus | Pentagonocyclicus (col.) |
| Species | Pentagonocyclicus bifidus |
| Pentagonocyclicus concentricus | |
| Pentagonocyclicus constrictus | |
| Pentagonocyclicus inaequalis | |
| Pentagonocyclicus stellatus | |
| Pentagonocyclicus subhelenae |
Levinneisyys ja viitteet
- Yeltyscheva, 1964 Isvos, Leningrad Oblast Volkhov Stage
- Yeltyscheva, 1964 Obukhovo outcrop, Leningrad district Volkhov Stage