NEW TRIASSIC ASTEROIDEA (ECHINODERMATA) SPECIMENS AND THEIR EVOLUTIONARY SIGNIFICANCE
The Paleozoic-Mesozoic transition saw the disappearance of asteroid stem groups and the ascent of the crown group, but late Paleozoic and Triassic asteroids are rare and transition events are poorly documented. Three new Middle and Late Triassic specimens augment existing data; included are a specim...
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| Autors principals: | , , |
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| Format: | Artigo |
| Idioma: | Inglês |
| Publicat: |
Milano University Press
2017-04-01
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| Col·lecció: | Rivista Italiana di Paleontologia e Stratigrafia |
| Matèries: | |
| Accés en línia: | https://riviste.unimi.it/index.php/RIPS/article/view/8547 |
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