Brachiopoda
sugukond

Grorudiidae Cocks et Rong, 1989

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Valik taksonit käsitlevast teaduskirjandusest
Madison, A. A. 2012. Formation of Cardinal Process in Ordovician Strophomenids. Paleontological Journal 46, 12, 1362-1374. DOI:10.1134/S0031030112120039
Hints, L., Harper, D. A. T. 2008. The brachiopods Alwynella and Grorudia: homeomorphic plectambonitoids in the Middle and Upper Ordovician of Baltoscandia. Earth and Environmental Science Transactions of the Royal Society of Edinburgh 98, 3-4, 271-280. DOI:10.1017/S1755691007080358