1. Species Syncoryne cleodorae Gegenbaur, 1854 accepted as Pandea conica (Quoy & Gaimard, 1827) (synonym)
2. Species Syncoryne crassa Pictet, 1893 accepted as Pteroclava crassa (Pictet, 1893) (basionym)
3. Species Syncoryne decipiens Dujardin, 1845 accepted as Sarsia tubulosa (M. Sars, 1835) (basionym)
4. Species Syncoryne densa Hartlaub, 1897 accepted as Sarsia densa (Hartlaub, 1897) (basionym)
5. Species Syncoryne eximia (Allman, 1859) accepted as Coryne eximia Allman, 1859 (unaccepted combination)
6. Species Syncoryne filamentata Annandale, 1907 accepted as Dicyclocoryne filamentata (Annandale, 1907) (basionym)
7. Species Syncoryne flexiblis Fraser, 1938 accepted as Sphaerocoryne bedoti Pictet, 1893 (synonym)
8. Species Syncoryne frutescens Allman, 1872 accepted as Sarsia frutescens (Allman, 1872) (basionym, unrecogizable)
9. Species Syncoryne linvillei Hargitt, 1904 accepted as Sphaerocoryne agassizii (McCrady, 1859) (synonym)
10. Species Syncoryne lovenii M. Sars, 1846 accepted as Sarsia lovenii (M. Sars, 1846) (basionym)
11. Species Syncoryne mirabilis (L. Agassiz, 1849) accepted as Sarsia mirabilis L. Agassiz, 1849 accepted as Sarsia tubulosa (M. Sars, 1835) (unaccepted combination)
12. Species Syncoryne occidentalis Fewkes, 1889 accepted as Coryne occidentalis (Fewkes, 1889) (basionym)
13. Species Syncoryne pulchella Allman, 1865 accepted as Sarsia pulchella (Allman, 1865) (basionym)
14. Species Syncoryne pusilla (Gaertner, 1774) accepted as Coryne pusilla Gaertner, 1774 (genus a synonym)
15. Species Syncoryne stauridium Krohn, 1853 accepted as Cladonema radiatum Dujardin, 1843 (synonym)
16. Species Syncoryne tenella (Farquhar, 1895) accepted as Coryne eximia Allman, 1859 (synonym)
17. Species Syncoryne lovenii Van Beneden, 1867 (uncertain > taxon inquirendum, indeterminate species, invalid junior homonym of Syncoryne lovenii M. Sars, 1846)

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