perekond

Pseudorthograptus Legrand, 1987

Valik taksonit käsitlevast teaduskirjandusest
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
Ulst, R. 1986. Osobennosti stroeniâ proksimpli u nekotoryh llandoverijskih graptolitov Latvii. Biofacies and fauna of the Silurian and Devonian basins of the Baltic, pp. 22-24. Zinatne.
Gailite, L. K., Rybnikova, M. V., Ulst, R. Ž. 1967. Stratigrafiâ, fauna i usloviâ obrazovaniâ silurijskih porod Srednej Pribaltiki. pp. 1-304. Zinatne.