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A new type of shell structure in a phosphatic brachiopod from the Cambrian of Estonia
Lingulata Ungula shell structure Cambrian Estonia
2009/10/22
Shell structures of Ungula ingrica, U. inornata, and Ungula sp. 1 (Kallavere and Ülgase formations) from Cambrian sandstones of the Mäekalda section in Tallinn, Estonia, were studied. Specif...