Species
Sphenoecium obuti (Durman et Sennikov, 1993)
Synonyymit
1993 Rhabdopleura obuti — Durman & Sennikov , pp. 284, fig. 1:1-4; 2:1-6; gtext fig. 1-4
2006 Rhabdopleura obuti — Rickards & Durman , pp. 32, fig. 21
2015 Sphenoecium obuti (Durman et Sennikov, 1993) — Maletz & Steiner , pp. 1098
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 |