Species
Acernaspis semicircularis Männil, 1970
Type specimen data
holotype: Department of Geology, TalTech ; GIT 109-1; Viljandi 91 borehole; Juuru Stage , 231.4 m
Reference:
Männil, Reet 1970. Estonian Lower and Middle Llandoverian trilobites of the genus Acernaspis. pp. 156-165. DOI:10.3176/chem.geol.1970.2.10
Synonymy list
Selection of related publications
Männil, Ralf 1987. Explanatory notes to the stratigraphical chemes of the Ordovician deposits. Resolutions of the interdepartmental stratigraphical conference on the East European Platform in 1984, with regional stratigraphical schemes, pp. 17-57.
Männil, Reet 1970. Estonian Lower and Middle Llandoverian trilobites of the genus Acernaspis. Eesti NSV Teaduste Akadeemia Toimetised. Keemia, Geoloogia / Известия Академии наук Эстонской ССР. Химия. Геология 19, 2, 156-165. DOI:10.3176/chem.geol.1970.2.10
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Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Arthropoda |
| Subphylum | Trilobita |
| Order | Phacopida |
| Suborder | Phacopina |
| Family | Phacopidae |
| Genus | Acernaspis |
| Species | elliptifrons |
| estonica | |
| incerta | |
| quadrilineata | |
| rectifrons | |
| rubicundula | |
| semicircularis | |
| sororia | |
| sufferta | |
| sulcata | |
| Acernaspis? konoverensis |
References based on distribution
- Männil, Ralf, 1987a Viljandi 91 borehole 231.4 - 231.42 Juuru Stage