Siberion
Siberion lenaicus
Siberion
Reconstitution de Siberion lenaicus.
| Règne | Animalia |
|---|---|
| Sous-règne | Bilateria |
| Infra-règne | Protostomia |
| Embranchement | Lobopodia |
| Classe | † Xenusia |
| Ordre | † Siberiida |
| Famille | † Siberiidae |
Siberion est un genre de lobopodiens du Cambrien inférieur[1] du biote de Sinsk (en)[2] (Est du craton sibérien, en Russie). L'espèce liée est Siberion lenaicus.
Présentation
Son anatomie, notamment l'organe en forme de proboscis dépassant à l'avant et la première paire proéminente d'appendices de préhension, suggère que les xénusiens comme cet organisme peuvent avoir été phylogénétiquement liés à des anomalocarides (en) comme Anomalocaris[3].
Liens externes
- Ressources relatives au vivant :
Notes et références
- ↑ (en) Felix Gradstein, James Ogg et Alan Smith, A Geologic Time Scale, Cambridge University Press, , 147–149 p. (ISBN 0-521-78673-8, lire en ligne)
- ↑ (en) Andrey Ivantsova, Andrey Zhuravlevb, Anton Legutaa, Krassilova Valentin, Lyudmila Melnikovaa et Galina Ushatinskayaa, « Palaeoecology of the Early Cambrian Sinsk biota from the Siberian Platform », Palaeogeography, Palaeoclimatology, Palaeoecology, vol. 220, , p. 69–88 (DOI 10.1016/j.palaeo.2004.01.022, lire en ligne)
- ↑ (en) Dzik, Jerzy (2011). "The xenusian-to-anomalocaridid transition within the lobopodians". Bollettino della Società Paleontologica Italiana, 50(1): 65-74.
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