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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| Автори: | , , |
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| Формат: | Artigo |
| Мова: | Inglês |
| Опубліковано: |
Milano University Press
2017-04-01
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| Серія: | Rivista Italiana di Paleontologia e Stratigrafia |
| Предмети: | |
| Онлайн доступ: | https://riviste.unimi.it/index.php/RIPS/article/view/8547 |
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