Меловой период

Kiel S, Glodny J, Birgel D, Bulot LG, Campbell KA, et al. (2014) The Paleoecology, Habitats, and Stratigraphic Range of the Enigmatic Cretaceous Brachiopod Peregrinella // PLoS ONE 9(10): e109260. doi:10.1371/journal.pone.0109260

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