Species
Pentagonocyclicus subhelenae Yeltyschewa, 1975
Synonyymit
1975 Pentagonocyclicus subhelenae Yeltyschewa, sp. nov. — Yeltyschewa , pp. 135, fig. II 25-26
Aiheeseen liittyvät julkaisut
Yeltyscheva, R. S. 1975. Krinoidei pograničnyh sloev ordovika i silura Podolii. Voprosy paleontologii VII, 124-144. Izdatel'stvo Leningradskiogo Universiteta.
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, 1975 Wenlock