TEM INVESTIGATION OF THE SHELL OF THE BRACHIOPOD THECOSPIRA TYROLENSIS (LORETZ): A CLUE TO UNDERSTANDING GROWTH AND REPLACEMENT OF PRISMATIC AND/OR FIBROUS LOW MG-CALCITE? RIPS [Internet]. 1990 Mar. 30 [cited 2026 Jul. 27];96(1). Available from: https://test-ojs-unimi-it.archicoop.it/index.php/RIPS/article/view/9048