TEM INVESTIGATION OF THE SHELL OF THE BRACHIOPOD <em>THECOSPIRA TYROLENSIS</em> (LORETZ): A CLUE TO UNDERSTANDING GROWTH AND REPLACEMENT OF PRISMATIC AND/OR FIBROUS LOW MG-CALCITE?
The shell of Thecospira tyrolensis (Loretz) is characterized by three distinct layers consisting of low Mg-calcite. The primary layer consists of microcrystalline calcite and it is often diagenetically altered. The secondary layer is composed of imbricate fibres subparallel to the valve surface. The...
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| Format: | Article |
| Language: | English |
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Milano University Press
2017-09-01
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| Series: | Rivista Italiana di Paleontologia e Stratigrafia |
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| Online Access: | https://riviste.unimi.it/index.php/RIPS/article/view/9048 |