Classification of Zhao et al. 2013
Fm. †Elongatoolithidae Zhao 1975
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Fm. †Ovaloolithidae Mikhailov 1991
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G. †Ovaloolithus Zhao 1979
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†Ovaloolithus chinkangkouensis Chao and Chiang 1974
†Ovaloolithus laminadermus Young 1954
†Ovaloolithus mixtistriatus Zhao 1979
†Ovaloolithus monostriatus Zhao 1979
†Ovaloolithus tristriatus Zhao 1979
Fm. †Spheroolithidae Zhao 1979
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G. †Spheroolithus Zhao 1979
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†Spheroolithus chiangchiungtingensis Young 1954
†Spheroolithus megadermus Young 1959
†Spheroolithus spheroides Young 1954
Fm. †Dictyoolithidae Zhao 1994
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