perekond
Paleohelcura Gilmore, 1926
Valik taksonit käsitlevast teaduskirjandusest
Loydell, D. K. (ed) 2011. Siluria Revisited: Programme and Abstracts. International Subcommission on Silurian Stratigraphy. pp. .
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Klassifikatsioon
| organismirühm | Biota |
| ihnorühm | Ichnofossils |
| Soft-sediment trace fossils | |
| Trackways and scratch imprints | |
| sugukond | Protichnidae |
| perekond | Glaciichnium |
| Keircalia | |
| Mitchellichnus | |
| Paleohelcura | |
| liik | antarcticum |
| tridctyla | |
| perekond | Protichnites |
| Siskemia | |
| Stiallia | |
| Stiaria |
Levik kirjandusandmetel
- Loydell, 2011 (ed) Ringerike, Norra Wenlock