Species
Demirastrites triangulatus (Harkness, 1851)
Synonymy list
1851 Rastrites triangulatus — Harkness , pp. 38, fig. 1:3a-d
1852 Monograptus triangulatus — Geinitz , pp. 47, fig. 5:4-8
1876 Monograptus triangulatus — Lapworth , pp. 359, fig. 13:5a-b
1899 Monograptus triangulatus — Törnquist , pp. 19, fig. 3:25-28; 4:1-2
1912 Demirastrites triangulatus — Eisel , pp. 38, fig. 3:6-15
1913 Monograptus triangulatus (Harkness) — Elles & Wood , pp. 471-472, fig. 47:4a-f
1919 Demirastrites triangulatus — Kirste , pp. 153, fig. 3:51
1920 Monograptus raitzhainiensis (Eisel) — Gortani , fig. 3:25-27
1920 Monograptus triangulatus var. cirratus — Gortani , fig. 3:22-24
1939 Monograptus triangulatus — Hundt , pp. 79, fig. 10, 10,180
Selection of related publications
Radzevičius, S. 2013. Silurian graptolite biozones of Lithuania: present and perspectives. Geologija 55, 2(82), 41-49. DOI:10.6001/geologija.v55i2.2757
Loydell, D. K., Nestor, V., Männik, P. 2010. Integrated biostratigraphy of the lower Silurian of the Kolka-54 core, Latvia. Geological Magazine 147, 2, 253-280. DOI:10.1017/S0016756809990574
Loydell, D. K., Männik, P., Nestor, V. 2003. Integrated biostratigraphy of the lower Silurian of the Aizpute-41 core, Latvia. Geological Magazine 140, 2, 205-229. DOI:10.1017/S0016756802007264
Põldvere, Anne (ed) 2003. Ruhnu (500) drill core. Estonian Geological Sections Bulletin 5, 1-76. Geological Survey of Estonia.
Ulst, R. Ž., Gailite, L. K., Springis, T. K. 1984. Lithostratigraphic subdivision of the subsurface Ordovician rocks of the Jelgeva Depression. Stratigrafiâ drevnepaleozojskih otloženij Pribaltiki, pp. 63-76. Eesti NSV Teaduste Akadeemia.
Kaljo, D., Vingisaar, P. 1969. On the sequence of the Raikküla stage in southernmost Estonia. Eesti NSV Teaduste Akadeemia Toimetised. Keemia, Geoloogia / Известия Академии наук Эстонской ССР. Химия. Геология 18, 3, 270-277. DOI:10.3176/chem.geol.1969.3.10
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Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Hemichordata |
| Class | Pterobranchia |
| Subclass | Graptolithina |
| Order | Graptoloidea |
| Suborder | Axonophora |
| Family | Monograptidae |
| Genus | Demirastrites |
| Species | convolutus |
| decipiens | |
| denticulatus | |
| pectinatus | |
| phleoides | |
| proteus | |
| raitzhainiensis | |
| simulans | |
| triangulatus |
References based on distribution
- Loydell et al., 2010 Kolka 54 borehole 621.5 - Raikküla Stage
- Loydell et al., 2003 Aizpute 41 borehole 974.35 - Aeronian
- Põldvere, Anne, 2003 (ed) Ruhnu 500 borehole 557.8 - Raikküla Stage
- Ulst et al., 1984 Llandovery
- Radzevičius, 2013 Aeronian
- Kaljo & Vingisaar, 1969 Ikla borehole Raikküla Stage