Английская Википедия:Balderia
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Balderia is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the Cambrian Period,[1] which lasted from approximately 539 to 485 million years ago.[2]
References
- ↑ Ошибка цитирования Неверный тег
<ref>
; для сносокSepkoski 2002 560
не указан текст - ↑ Шаблон:Cite web