Siberiidae
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Siberiidae is a family of Cambrian lobopodians, sometimes called "jianshanopodians" or "giant lobopodians". They are suggested to be more closely related to "gilled lobopodians" and arthropods than to
A fossil of Jianshanopodia presenting the gut diverticulae and the caudal area.
The holotype and only specimen of Parvibellus.
Hallucigenia sparsa 2025
Carcinus maenas white background