1. Species Conocardium aliforme (J. De C. Sowerby, 1827) †
2. Species Conocardium angelicum Talent & Philip, 1956 †
3. Species Conocardium aohanense S.-F. Liang, 1980 †
4. Species Conocardium catastomum J. Hall, 1858 †
5. Species Conocardium cresswelli Talent & Philip, 1956 †
6. Species Conocardium elongatum (J. Sowerby, 1815) †
7. Species Conocardium jinshuiense S.-F. Liang, 1980 †
8. Species Conocardium junggarense Z.-R. Yang, 1983 †
9. Species Conocardium kelamailiense Z.-R. Yang, 1983 †
10. Species Conocardium aohanensis S.-F. Liang, 1980 † accepted as Conocardium aohanense S.-F. Liang, 1980 † (unaccepted > incorrect grammatical agreement of specific epithet)
11. Species Conocardium blumenbachii Billings, 1859 † accepted as Euchasma blumenbachii (Billings, 1859) † (unaccepted > superseded combination)
12. Species Conocardium colvae Fredericks, 1915 † accepted as Arceodomus colvae (Fredericks, 1915) † (unaccepted > superseded combination)
13. Species Conocardium dorsatum Barrande, 1881 † accepted as Bitrigonocardia dorsata (Barrande, 1881) † (unaccepted > superseded combination)
14. Species Conocardium elegantulum Billings, 1866 † accepted as Bitrigonocardia elegantula (Billings, 1866) † (unaccepted > superseded combination)
15. Species Conocardium glabratum Easton, 1962 † accepted as Arceodomus glabrata (Easton, 1962) † (unaccepted > superseded combination)
16. Species Conocardium jinshuiensis S.-F. Liang, 1980 † accepted as Conocardium jinshuiense S.-F. Liang, 1980 † (unaccepted > incorrect grammatical agreement of specific epithet)
17. Species Conocardium junggarensis Z.-R. Yang, 1983 † accepted as Conocardium junggarense Z.-R. Yang, 1983 † (unaccepted > incorrect grammatical agreement of specific epithet)
18. Species Conocardium kelamailiensis Z.-R. Yang, 1983 † accepted as Conocardium kelamailiense Z.-R. Yang, 1983 † (unaccepted > incorrect grammatical agreement of specific epithet)
19. Species Conocardium missouriense Roundy, 1915 † accepted as Hoarepora parrishi (Worthen, 1890) † (unaccepted > junior subjective synonym)
20. Species Conocardium parrishi Worthen, 1890 † accepted as Hoarepora parrishi (Worthen, 1890) † (unaccepted > superseded combination)
21. Species Conocardium praepermicum Fredericks, 1915 † accepted as Arceodomus praepermica (Fredericks, 1915) † (unaccepted > superseded combination)
22. Species Conocardium reticulatum Krause, 1877 † accepted as Bitrigonocardia reticulata (Krause, 1877) † (unaccepted > superseded combination)
23. Species Conocardium abruptum Barrande, 1881 † (uncertain > unassessed)
24. Species Conocardium carinatum J. Hall, 1858 † (uncertain > unassessed)
25. Species Conocardium cuneatum J. Hall, 1858 † (uncertain > unassessed)
26. Species Conocardium inceptum J. Hall, 1859 † (uncertain > unassessed)
27. Species Conocardium nevadensis Walcott, 1884 † (uncertain > unassessed)

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