liik
Metabolograptus extraordinarius (Sobolevskaya, 1974)
Sünonüümika
1974 Fenhsiangograptus extraordinarius — Sobolevskaya , lk. 69, joon. 3:6-7
1979 Climacograptus ? extraordinarius (Sobolevskaya) — Koren & Sobolevskaya , joon. 23:3-7
1983 Climacograptus cf. extraordinarius (Sobolevskaya) — Mu & Ni , lk. 167, joon. 1:14-17
1983 Climacograptus ? extraordinarius (Sobolevskaya) — Williams , lk. 619, joon. text fig. 5j, 6a-b?,c,d-e?,f,g-i?; 7a-b,c?
1983 Climacograptus ? extraordinarius (Sobolevskaya) — Koren et al. , lk. 108, joon. 27:6-11; 28:1-4; text fig.35,36a-d
1983 Climacograptus ? extraordinarius (Sobolevskaya) — Wang , lk. 140, joon. text-fig. 5a–b; pl.7, fig. 4
1984 Climacograptus extraordinarius (Sobolevskaya) — Ni , lk. 325, joon. 2:16
1999 Normalograptus extraordinarius (Sobolevskaya) — Brussa et al. , lk. 220, joon. 2L?, O, P
2005 Normalograptus extraordinarius (Sobolevskaya, 1974) — Xu et al. , lk. 256, joon. 1:1-2; 2:12: text fig. 6C,7H-I, 8W
2008 Normalograptus extraordinarius (Sobolevskaya) — Koren & Sobolevskaya
Klassifikatsioon
| organismirühm | Biota |
| riik | Animalia |
| hõimkond | Hemichordata |
| klass | Pterobranchia |
| alamklass | Graptolithina |
| selts | Graptoloidea |
| alamselts | Axonophora |
| ülemsugukond | Retiolitoidea |
| sugukond | Neodiplograptidae |
| alamsugukond | Neodiplograptinae |
| perekond | Metabolograptus |
| liik | extraordinarius |
| parvulus | |
| persculptus | |
| sibiricus |