Species
Sphenoecium tubularis (Obut et Sobolevskaya, 1967)
Synonyymit
1967 Fasciculitubus tubularis Obut et Sobolevskaya gen et sp. nov. — Obut & Sobolevskaya , pp. 57, fig. 12:5-6; 13:1-3
Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Hemichordata |
| Class | Pterobranchia |
| Subclass | Graptolithina |
| Order | Rhabdopleuridae |
| Genus | Sphenoecium |
| Species | discoidalis |
| filicoides | |
| johanssoni | |
| mesocambricus | |
| obuti | |
| robustus | |
| tubularis | |
| wheelerensis |