New Vendian Metazoa with a colonial organization

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Аннотация

A new organism with colonial organization, Olgunia bondarenkoae gen. et sp. nov., of sponge or coelenterate grade, is described from the Vendian deposits of the South-Eastern White Sea region. The new genus is characterized by a modular pattern and coordinated growth of neighboring individuals arranged in a fan-shape. The new genus has a combination of diagnostic characteristics of the genera Vaveliksia Fedonkin and Funisia Droser et Gehling, which makes it possible to combine all three genera into one new family Olgunidae with the type genus Olgunia gen. nov. The problem of coloniality in the Precambrian is discussed.

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Авторлар туралы

E. Luzhnaya

Borissiak Paleontological Institute, Russian Academy of Sciences

Хат алмасуға жауапты Автор.
Email: serezhnikova@mail.ru
Ресей, Moscow, 117647

Әдебиет тізімі

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Әрекет
1. JATS XML
Жүктеу
2. Fig. 1. Olgunia bondarenkoae sp. nov., holotype PIN, No. 3993/9664, photographic image and schematic drawing.

Жүктеу (3MB)
Метадеректер
3. Fig. 2. Olgunia bondarenkoae sp. nov., specimen PIN, No. 3993/9704. Designations: ks – roof of the layer; ps – base of the layer; black arrows indicate the remains of the attachment discs

Жүктеу (1MB)
Метадеректер
4. Fig. 3. Olgunia bondarenkoae sp. nov., specimen PIN, No. 3993/9663, attachment discs.

Жүктеу (531KB)
Метадеректер
5. Fig. 4. Olgunia bondarenkoae sp. nov., schematic reconstruction, ventral view.

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