Classification of Zhao 1979
Fm. †Elongatoolithidae Zhao 1975
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G. †Elongatoolithus Zhao 1975
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†Elongatoolithus andrewsi Zhao 1975
†Elongatoolithus elongatus Young 1954
G. †Macroolithus Zhao 1975
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†Macroolithus rugustus Young 1965
†Macroolithus yaotunensis Zhao 1975
Fm. †Spheroolithidae Zhao 1979
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G. †Ovaloolithus Zhao 1979
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†Ovaloolithus chinkangkouensis Chao and Chiang 1974
†Ovaloolithus laminadermus Young 1954
†Ovaloolithus mixistriatus Zhao 1979
†Ovaloolithus monostriatus Zhao 1979
†Ovaloolithus tristriatus Zhao 1979
G. †Spheroolithus Zhao 1979
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†Spheroolithus chiangchiungtingensis Young 1954
†Spheroolithus megadermus Young 1959