perekond
Didymograptus McCoy, 1851
Valik taksonit käsitlevast teaduskirjandusest
Maletz, J., Ahlberg, P., Lundberg, F. 2020. Ordovician graptolite biostratigraphy of the Röstånga-2 drill core (Scania, southern Sweden). GFF 142, 3, 206-222. DOI:10.1080/11035897.2020.1739743
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
Maletz, J. 1997. Graptolites from the Nicholsonograptus fasciculatus and Pterograptus elegans Zones (Abereiddian, Ordovician) of the Oslo Region, Norway. Greifswalder Geowissenschaftliche Beiträge 4, 5-98.
Maletz, J. 1995. The Middle Ordovician (Llanvirn) graptolite succession of the Albjära core (Scania, Sweden) and its implication for a revised biozonation. Zeitschrift für Geologische Wissenschaften 23, 3, 249-259.
Kaljo, D. 1974. On graptolite zones of Tremadoc and Arenig of Pribaltic and Moscow syneclises. Graptolites of the USSR, pp. 31-36. Nauka.
Bergström, S. M. 1973. Correlation of the late Lasnamägian Stage (Middle Ordovician) with the graptolite succession. GFF 95, 1, 9-18. DOI:10.1080/11035897309455420
Rõõmusoks, A. 1970. Stratigraphy of the Viruan Series (Middle Ordovician) in Northern Estonia, I. pp. 1-346. Valgus.
Jaanusson, V. 1960. Graptoloids from the Ontikan and Viruan (Ordov.) limestones of Estonia and Sweden. Bulletin of the Geological Institutions of the University of Uppsala 38, 289-366.
Leitud liigid
1. Didymograptus acutus Ekström, 1937 | Aseri lade
2. Didymograptus artus Elles et Wood, 1902 | Darriwili lade
5. Didymograptus decens Törnquist, 1889 | Alam-Ordoviitsium
6. Didymograptus ensjoensis Monsen, 1937 | Ordoviitsium
7. Didymograptus extensus (Hall, 1858) | Ordoviitsium
8. Didymograptus flexilis Monsen, 1937 | Ordoviitsium
10. Didymograptus goldschmidti Monsen, 1937 | Ordoviitsium
11. Didymograptus grandis Monsen, 1937 | Ordoviitsium
12. Didymograptus holtedahli Monsen, 1937 | Ordoviitsium
13. Didymograptus kreklingensis Monsen, 1937 | Ordoviitsium
14. Didymograptus leptograptoides Monsen, 1937 | Alam-Ordoviitsium
15. Didymograptus murchisoni (Beck, 1839) | Darriwili lade
16. Didymograptus opimus Monsen, 1937 | Ordoviitsium
17. Didymograptus oscillatoris Monsen, 1937 | Ordoviitsium
18. Didymograptus pakrianus Jaanusson, 1960 | Kunda lade
19. Didymograptus primigenius Bulman, 1950 | Alam-Ordoviitsium
20. Didymograptus propinquus Monsen, 1937 | Ordoviitsium
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