New observations on spiculelike structures from Doushantuo phosphorites at Weng’an, Guizhou Province

@article{Yin2001NewOO,
  title={New observations on spiculelike structures from Doushantuo phosphorites at Weng’an, Guizhou Province},
  author={L. Yin and S. Xiao and X. Yuan},
  journal={Chinese Science Bulletin},
  year={2001},
  volume={46},
  pages={1828-1832}
}
Doushantuo phosphorites at Weng’an, Guizhou Province, provide a unique opportunity for the study of early evolution of multicellular organisms, including metazoans. Our light microscope and SEM observations, however, do not substantiate a sponge spicule interpretation of spicular structures. No convincing axial canals have been seen in the observed spicule population. Instead, the coexistence of some monaxonal spicules with clearly diagenetic crystal fascicles and dumbbells suggest that these… Expand
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