1. Species Caesira ampulloides (Beneden, 1846) accepted as Molgula manhattensis (De Kay, 1843) (new combination)
2. Species Caesira apoploa Huntsman, 1912 accepted as Molgula pugetiensis Herdman, 1898 (original combination)
3. Species Caesira arctica (Kiaer, 1896) accepted as Molgula citrina Alder & Hancock, 1848 (new combination)
4. Species Caesira arenata (Stimpson, 1852) accepted as Molgula arenata Stimpson, 1852 (new combination)
5. Species Caesira bacca Herdman, 1910 accepted as Molgula pedunculata (Herdman, 1881) (original combination)
6. Species Caesira bathybia Hartmeyer, 1912 accepted as Molguloides vitrea (Sluiter, 1904) (original combination)
7. Species Caesira birulai (Redikorzev, 1907) accepted as Molgula citrina Alder & Hancock, 1848 (new combination)
8. Species Caesira canadensis Huntsman, 1912 accepted as Molgula complanata Alder & Hancock, 1870 (original combination)
9. Species Caesira celata Michaelsen, 1914 accepted as Molgula celata (Michaelsen, 1914) (original combination)
10. Species Caesira citrina (Alder & Hancock, 1848) accepted as Molgula citrina Alder & Hancock, 1848 (new combination)
11. Species Caesira concomitans (Herdman, 1910) accepted as Molgula hodgsoni Herdman, 1910 (new combination)
12. Species Caesira confluxa (Sluiter, 1912) accepted as Molgula enodis (Sluiter, 1912) (new combination)
13. Species Caesira cooperi Huntsman, 1912 accepted as Molgula cooperi (Huntsman, 1912) (original combination)
14. Species Caesira crystallina (Moeller, 1842) accepted as Molgula griffithsii (MacLeay, 1825) (literature misspelling)
15. Species Caesira enodis Sluiter, 1912 accepted as Molgula enodis (Sluiter, 1912) (original combination)
16. Species Caesira eugyroides (Traustedt, 1883) accepted as Molgula kiaeri Hartmeyer, 1901 (new combination)
17. Species Caesira euprocta (Drasche, 1884) accepted as Molgula euprocta (Drasche, 1884) (new combination)
18. Species Caesira ficus Macdonald, 1859 accepted as Molgula ficus (Macdonald, 1859) (original combination)
19. Species Caesira filholi (Pizon, 1898) accepted as Paramolgula filholi (Pizon, 1898) (new combination)
20. Species Caesira forbesi (Herdman, 1881) accepted as Molgula ficus (Macdonald, 1859) (new combination)
21. Species Caesira georgiana (Michaelsen, 1900) accepted as Molgula georgiana Michaelsen, 1922 (new combination)
22. Species Caesira glomerata (Pizon, 1898) accepted as Paramolgula gregaria (Lesson, 1830) (new combination)
23. Species Caesira godeffroyi (Michaelsen, 1908) accepted as Molgula ficus (Macdonald, 1859) (new combination)
24. Species Caesira hecateia Huntsman, 1912 accepted as Molgula pugetiensis Herdman, 1898 (original combination)
25. Species Caesira hodgsoni (Herdman, 1910) accepted as Molgula hodgsoni Herdman, 1910 (new combination)
26. Species Caesira immunda Hartmeyer, 1909 accepted as Molguloides immunda (Hartmeyer, 1909) (original combination)
27. Species Caesira impura (Heller, 1877) accepted as Molgula occidentalis Traustedt, 1883 (new combination)
28. Species Caesira intumescens Van Name, 1912 accepted as Molgula griffithsii (MacLeay, 1825) (original combination)
29. Species Caesira kiaeri (Hartmeyer, 1901) accepted as Molgula kiaeri Hartmeyer, 1901 (new combination)
30. Species Caesira littoralis (Verrill, 1871) accepted as Molgula citrina Alder & Hancock, 1848 (new combination)
31. Species Caesira lutulenta Van Name, 1912 accepted as Molgula lutulenta Herdman, 1923 (original combination)
32. Species Caesira manhattensis (De Kay, 1843) accepted as Molgula manhattensis (De Kay, 1843) (new combination)
33. Species Caesira martensi (Traustedt, 1885) accepted as Molgula ficus (Macdonald, 1859) (literature misspelling)
34. Species Caesira maxima (Sluiter, 1905) accepted as Molgula pedunculata (Herdman, 1881) (new combination)
35. Species Caesira mortoni (Kesteven, 1909) accepted as Molgula ficus (Macdonald, 1859) (new combination)
36. Species Caesira nana (Kupffer, 1873) accepted as Molgula citrina Alder & Hancock, 1848 (new combination)
37. Species Caesira novaeselandiae Michaelsen, 1912 accepted as Molgula novaeselandiae (Michaelsen, 1912) (original combination)
38. Species Caesira occidentalis (Traustedt, 1883) accepted as Molgula occidentalis Traustedt, 1883 (new combination)
39. Species Caesira occulta (Kupffer, 1875) accepted as Molgula occulta Kupffer, 1875 (new combination)
40. Species Caesira pacifica Huntsman, 1912 accepted as Molgula pacifica (Huntsman, 1912) (original combination)
41. Species Caesira pannosa (Verrill, 1871) accepted as Molgula siphonalis Kiaer, 1896 (new combination)
42. Species Caesira papillosa (Verrill, 1871) accepted as Molgula complanata Alder & Hancock, 1870 (new combination)
43. Species Caesira parasitica Macdonald, 1859 accepted as Molgula sabulosa (Quoy & Gaimard, 1834) (original combination)
44. Species Caesira pedunculata (Herdman, 1881) accepted as Molgula pedunculata (Herdman, 1881) (new combination)
45. Species Caesira pellucida Macdonald, 1859 accepted as Eugyra molguloides Sluiter, 1904 (junior homonym)
46. Species Caesira producta (Stimpson, 1852) accepted as Molgula complanata Alder & Hancock, 1870 (new combination)
47. Species Caesira psammophora (Agassiz, 1850) accepted as Molgula arenata Stimpson, 1852 (new combination)
48. Species Caesira pugetiensis (Herdman, 1898) accepted as Molgula pugetiensis Herdman, 1898 (new combination)
49. Species Caesira pulchra (Michaelsen, 1900) accepted as Molgula pulchra Michaelsen, 1900 (new combination)
50. Species Caesira pyriformis (Herdman, 1881) accepted as Molgula pyriformis Herdman, 1881 (new combination)
51. Species Caesira regularis (Ritter, 1907) accepted as Molgula regularis Ritter, 1907 (new combination)
52. Species Caesira retortiformis (Verrill, 1871) accepted as Molgula retortiformis Verrill, 1871 (synonym)
53. Species Caesira robusta Van Name, 1912 accepted as Molgula robusta (Van Name, 1912) (original combination)
54. Species Caesira romeri (Hartmeyer, 1903) accepted as Molgula romeri Hartmeyer, 1903 (new combination)
55. Species Caesira septentrionalis (Traustedt, 1883) accepted as Molgula siphonalis Kiaer, 1896 (new combination)
56. Species Caesira singulare Van Name, 1912 accepted as Cratostigma singularis (Van Name, 1912) (misspelling)
57. Species Caesira singularis Van Name, 1912 accepted as Cratostigma singularis (Van Name, 1912) (original combination)
58. Species Caesira siphonalis (Sars, 1859) accepted as Molgula siphonalis Kiaer, 1896 (new combination)
59. Species Caesira sordida (Stimpson, 1852) accepted as Molgula manhattensis (De Kay, 1843) (new combination)
60. Species Caesira tenax (Traustedt, 1883) accepted as Molgula complanata Alder & Hancock, 1870 (new combination)
61. Species Caesira verrilli Van Name, 1912 accepted as Molgula verrilli (Van Name, 1912) (original combination)
62. Species Caesira vitrea (Sluiter, 1904) accepted as Molguloides vitrea (Sluiter, 1904) (new combination)
63. Species Caesira wagneri (Hartmeyer, 1903) accepted as Microcosmus glacialis (Sars, 1859) (new combination)

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