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   » » Wiki: Parvibellus
Tag Wiki 'Parvibellus'.
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Parvibellus is an extinct genus of animal known from the of China. It is known from only a single species, P. atavus, found in the Cambrian Stage 3 aged Chengjiang Biota of Yunnan, China.


Morphology
Parvibellus is small panarthropod with length of around . The head bore a pair of small frontal appendages and ventrally directed circular mouth. There is no evidence that Parvibellus had eyes. The elongated trunk possesses 11 pairs of lateral appendages and a pair of terminal projections.

In the original description, The trunk appendages were interpreted as swimming flaps, which suggest a life style and close relationship with stem-group such as the "gilled " and , and . However, recent research suggests it may instead be a larval , a group of lobopodian nest within arthropod stem-group, and the trunk appendages were re-interpreted as stout lobopods. Since it may represent the larva of any described siberiids from the same strata (e.g. , ) and cannot be accurately identified, Parvibellus is considered to be a .

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