Name: Acosmia maotiania
Geological Time: Early Cambrian (~525 million years ago)
Size: 70 mm long (if straightened) on a 48 mm by 38 mm matrix
Fossil Site: Chengjiang: Quiongzhusi Section, Yu’anshan Member, Heilinpu Formation, Mafang, Anning, Kunming, Yunnan Province, China
Some specimens of Acosmia maotiania have been found like this one
tightly curved, suggesting it may have lived in a U-shaped burrow.
This is a monospecfic genus, known only from the Chengjiang Biota.
This fine Cambrian priapulid worm preserved here in exquisite detail
is a unique specimen of life from 525 million years ago. |
