1. Species Lyriodon alemanicum (Rollier, 1912) † accepted as Trigonia alemanica Rollier, 1912 † (unaccepted > superseded combination)
2. Species Lyriodon conocardiiformis Krauss, 1843 † accepted as Megatrigonia conocardiiformis (Krauss, 1843) † (unaccepted > superseded combination)
3. Species Lyriodon denticulatum (Agassiz, 1840) † accepted as Trigonia denticulata Agassiz, 1840 † (unaccepted > superseded combination)
4. Species Lyriodon elegans (Dunker, 1849) † accepted as Elegantinia elegans (Dunker, 1849) † (unaccepted > superseded combination)
5. Species Lyriodon eningense [sic] † accepted as Trigonia ehningensis Rollier, 1912 † (unaccepted > misspelling - incorrect subsequent spelling, incorrect subsequent spelling)
6. Species Lyriodon ethra Coquand, 1880 † accepted as Scabrotrigonia ethra (Coquand, 1880) † (unaccepted > superseded combination)
7. Species Lyriodon intermedium Fahrenkohl, 1844 † accepted as Myophorella intermedia (Fahrenkohl, 1844) † (unaccepted > superseded combination)
8. Species Lyriodon simile (Agassiz, 1840) † accepted as Trigonia similis Agassiz, 1840 † (unaccepted > superseded combination)
9. Species Lyriodon ventricosa Krauss, 1843 † accepted as Rinetrigonia ventricosa (Krauss, 1843) † (unaccepted > superseded combination)
10. Species Lyriodon compressum Fahrenkohl, 1844 † (uncertain > unassessed)
11. Species Lyriodon curioni Cornalia, 1848 † (uncertain > unassessed)
12. Species Lyriodon gaytani Klipstein, 1843 † (uncertain)
13. Species Lyriodon incrassatum Lebküchner, 1932 † (uncertain > unassessed)
14. Species Lyriodon latezonatum Lebküchner, 1932 † (uncertain > unassessed)
15. Species Lyriodon praecassiope Lebküchner, 1932 † (uncertain > unassessed)
16. Species Lyriodon pseudosimile Lebküchner, 1932 † (uncertain > unassessed)
17. Species Lyriodon simile Bronn, 1836 † (uncertain > unassessed)

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