Species
Rectograptus perexcavatus (Lapworth, 1876)
Synonymy list
1876 Diplograptus perexcavatus — Lapworth , fig. 2:38
1987 Amplexograptus perexcavatus — Mitchell
2002 Amplexograptus perexcavatus — Goldman et al. , pp. 921, fig. 1.1–1.8, 2.1–2.7, 3.1, 3.3.
2015 Rectograptus perexcavatus (Lapworth, 1876) — Maletz & Steiner , fig. 6F-D
Klassificering
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Hemichordata |
| Class | Pterobranchia |
| Subclass | Graptolithina |
| Order | Graptoloidea |
| Suborder | Axonophora |
| Infraorder | Diplograptina |
| Subfamily | Peiragraptinae |
| Genus | Rectograptus |
| Species | amplexicaulis |
| gracilis | |
| perexcavatus |