Siberion

Siberion; Temporal range: Early Cambrian [1][2]
	Reconstruction of Siberion lenaicus
Scientific classification
Kingdom:	Animalia
Phylum:	Lobopodia
Class:	†Xenusia
Order:	†Siberiida[3]
Family:	†Siberiidae[3]
Genus:	†Siberion; Dzik 2011
Species:	†S. lenaicus
Binomial name
	†Siberion lenaicus; Dzik 2011

Siberion is an extinct genus of lobopodian from the Sinsk biota of Russia. Its anatomy, including the proboscis-like organ projecting from the face and prominent grasping first pair of appendages, suggests that xenusians like this organism may have been phylogenetically related to anomalocaridids, like Anomalocaris.[3]

References

Gradstein, Felix; Ogg, James; Smith, Alan (2004). A Geologic Time Scale. Cambridge University Press. pp. 147–149. ISBN 0-521-78673-8.
Ivantsova, Andrey; Zhuravlevb, Andrey; Legutaa, Anton; Valentin, Krassilova; Melnikovaa, Lyudmila; Ushatinskayaa, Galina (2005). "Palaeoecology of the Early Cambrian Sinsk biota from the Siberian Platform" (PDF). Palaeogeography, Palaeoclimatology, Palaeoecology. 220 (1–2): 69–88. doi:10.1016/j.palaeo.2004.01.022.
Dzik, Jerzy (2011). "The xenusian-to-anomalocaridid transition within the lobopodians". Bollettino della Società Paleontologica Italiana, 50(1): 65-74.

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[1] Gradstein, Felix; Ogg, James; Smith, Alan (2004). A Geologic Time Scale. Cambridge University Press. pp. 147–149. ISBN 0-521-78673-8.

[2] Ivantsova, Andrey; Zhuravlevb, Andrey; Legutaa, Anton; Valentin, Krassilova; Melnikovaa, Lyudmila; Ushatinskayaa, Galina (2005). "Palaeoecology of the Early Cambrian Sinsk biota from the Siberian Platform" (PDF). Palaeogeography, Palaeoclimatology, Palaeoecology. 220 (1–2): 69–88. doi:10.1016/j.palaeo.2004.01.022.

[Dzik2011-3] Dzik, Jerzy (2011). "The xenusian-to-anomalocaridid transition within the lobopodians". Bollettino della Società Paleontologica Italiana, 50(1): 65-74.