Species
Rectograptus amplexicaulis (Hall, 1847)
Synonyymit
1847 Graptolites amplexicaule sp. nov — Hall , pp. 78-80, 316, fig. pl. 26, figs 11a, b
1908 Diplograptus (Glyptograptus) amplexicaulis (Hall) — Ruedemann
1983 Orthograptus amplexicaulis (Hall, 1847) — Williams & Bruton , pp. 180, fig. Figs 20F-M, 21A-0, 23A-C
2007 Rectograptus amplexicaulis (Hall, 1865) — Nõlvak & Goldman , fig. 3:1-4
Luokittelu
| 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 |