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Symbiotic fouling of Vetulicola, an early Cambrian nektonic animal.


ABSTRACT: Here, we report the earliest fossil record to our knowledge of surface fouling by aggregates of small vermiform, encrusting and annulated tubular organisms associated with a mobile, nektonic host, the enigmatic Cambrian animal Vetulicola. Our material is from the exceptionally preserved early Cambrian (Epoch 2, Age 3), Chengjiang biota of Yunnan Province, southwest China, a circa 518 million-year old marine deposit. Our data show that symbiotic fouling relationships between species formed a component of the diversification of animal-rich ecosystems near the beginning of the Phanerozoic Eon, suggesting an early escalation of intimate ecologies as part of the Cambrian animal radiation.

SUBMITTER: Li Y 

PROVIDER: S-EPMC7501249 | biostudies-literature | 2020 Sep

REPOSITORIES: biostudies-literature

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Symbiotic fouling of Vetulicola, an early Cambrian nektonic animal.

Li Yujing Y   Williams Mark M   Harvey Thomas H P THP   Wei Fan F   Zhao Yang Y   Guo Jin J   Gabbott Sarah S   Fletcher Tom T   Hou Xianguang X   Cong Peiyun P  

Communications biology 20200918 1


Here, we report the earliest fossil record to our knowledge of surface fouling by aggregates of small vermiform, encrusting and annulated tubular organisms associated with a mobile, nektonic host, the enigmatic Cambrian animal Vetulicola. Our material is from the exceptionally preserved early Cambrian (Epoch 2, Age 3), Chengjiang biota of Yunnan Province, southwest China, a circa 518 million-year old marine deposit. Our data show that symbiotic fouling relationships between species formed a comp  ...[more]

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