Symbiotic fouling of Vetulicola, an early Cambrian nektonic animal.,Communications Biology

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Symbiotic fouling of Vetulicola, an early Cambrian nektonic animal.
Communications Biology ( IF 5.2 ) Pub Date : 2020-09-18 , DOI: 10.1038/s42003-020-01244-1
Yujing Li _{1,

2,

3} , Mark Williams _{2,

4} , Thomas H P Harvey _{2,

4} , Fan Wei _{1,

2} , Yang Zhao _{1,

2} , Jin Guo _{1,

2,

5} , Sarah Gabbott _{2,

4} , Tom Fletcher _{2,

4} , Xianguang Hou _{1,

2} , Peiyun Cong _{1,

2,

3}

Affiliation

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.

更新日期：2020-09-20

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