MIDDLE ORDOVICIAN LITHISTID SPONGES FROM THE BACHU-KALPIN AREA, XINJIANG, NORTHWESTERN CHINA

@inproceedings{Bingli2003MIDDLEOL,
  title={MIDDLE ORDOVICIAN LITHISTID SPONGES FROM THE BACHU-KALPIN AREA, XINJIANG, NORTHWESTERN CHINA},
  author={Liu Bingli and J. Keith Rigby and Zhu Zhongde},
  booktitle={Journal of Paleontology},
  year={2003}
}
Abstract Moderately diverse Middle Ordovician sponge faunas of Darriwilian (late Arenig to early Llanvirn) age have been discovered in outcrops in the Bachu-Kalpin area of the Tarim platform of Xinjiang, China. These are the first reported occurrences of early Paleozoic sponges from Xinjiang, China. These sponges occur in the Yijianfang and Dawangou Formations, which are of nearly the same age, but crop out in different areas of the platform margin. Fossil sponges discovered to date are the… 

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