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
1941 Demirastrites triangulatus triangulatus — Přibyl & Münch , pp. 4 , fig. 1:1-5
1952 Demirastrites triangulatus — Münch , pp. 127 , fig. 42:1
1964 Demirastrites triangulatus — Obut , fig. 9:5
1965 Demirastrites triangulatus — Obut & Sobolevskaya , pp. 86 , fig. XVII 1-3
1965 Demirastrites triangulatus (Harkness), 1851 — Obut et al. , pp. 86-88 , fig. 17:1-3
1968 Demirastrites triangulatus — Obut & Sobolevskaya , pp. 106 , fig. XXVII 3-5; XXVII 1-5; XXX 1-3
1976 Demirastrites triangulatus triangulatus — Sennikov , pp. 208 , fig. 15:1-2
1979 Demirastrites triangulatus — Paškevičius , pp. 183 , fig. XVI 1-4; XXX 5-8
1980 Demirastrites triangulatus (Harkness, 1851) — Obut & Sennikov , pp. 43 , fig. 5:12
1988 Demirastrites triangulatus triangulatus (Harkness, 1851) — Obut et al. , pp. 70 , fig. VII 1
1993 Demirastrites triangulatus triangulatus (Harkness) — Štorch & Serpagli , pp. 51 , fig. 16A-B
2003 "Demirastrites" triangulatus (Harkness) — Loydell et al. , pp. 209 , fig. 4h
2009 Demirastrites triangulatus (Harkness) — Storch & Kraft , pp. 63 , fig. 8B
2010 Demirastrites triangulatus (Harkness), 1851 — Piras & Simonetto , pp. 16 , fig. 2.a; 3.1-3; 5.2
2010 Demirastrites triangulatus (Harkness) — Loydell et al. , pp. 254-255 , fig. 2hh
2019 Demirastrites triangulatus (Harkness), 1851 — Štorch & Melchin , pp. 527 , fig. s 9A–X; 10A–I; 11
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