Project 4838: L. E. Popov, I. F. Nikitin, E. V. Sokiran. 1999. The earliest atrypides and athyridides (Brachiopoda) from the Ordovician of Kazakhstan. Palaeontology. 42 (4):625-661.
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This project has 2 media. Displaying 2 media.
M892500
† Zygospira modesta
Whole Specimen
M892501
† Eospirigerina pennata
Whole Specimen