Species
Sphenoecium wheelerensis Maletz et Steiner, 2015
Synonymy list
2005 ? Cephalodiscus sp — Maletz et al. , pp. 84, fig. 4, 5a-c
2015 Sphenoecium wheelerensis sp. nov. — Maletz & Steiner , pp. 1098, fig. 7, 17, 18
Klassificering
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Hemichordata |
| Class | Pterobranchia |
| Subclass | Graptolithina |
| Order | Rhabdopleuridae |
| Genus | Sphenoecium |
| Species | discoidalis |
| filicoides | |
| johanssoni | |
| mesocambricus | |
| obuti | |
| robustus | |
| tubularis | |
| wheelerensis |