1. Species Esperia aegagropila (Johnston, 1842) accepted as Mycale (Aegogropila) contarenii (Lieberkühn, 1859) (genus transfer and junior synonym)
2. Species Esperia anceps Schmidt, 1873 accepted as Iophon pommeraniae Thiele, 1903 (genus transfer and junior synonym)
3. Species Esperia arctica Fristedt, 1887 accepted as Mycale (Mycale) arctica (Fristedt, 1887) (genus transfer)
4. Species Esperia armata (Bowerbank, 1862) accepted as Clathria (Microciona) armata (Bowerbank, 1862) (genus transfer)
5. Species Esperia bacillaria Schmidt, 1864 accepted as Mycale (Aegogropila) contarenii (Lieberkühn, 1859) (genus transfer and junior synonym)
6. Species Esperia bauriana Schmidt, 1862 accepted as Mycale (Aegogropila) contarenii (Lieberkühn, 1859) (genus transfer and junior synonym)
7. Species Esperia bihamatifera Carter, 1876 accepted as Asbestopluma (Asbestopluma) bihamatifera (Carter, 1876) (genus transfer and junior synonym)
8. Species Esperia borassus Carter, 1876 accepted as Mycale (Mycale) massa (Schmidt, 1862) (genus transfer and junior synonym)
9. Species Esperia bowerbankii Schmidt, 1862 accepted as Mycale (Aegogropila) tunicata (Schmidt, 1862) (genus transfer and junior synonym)
10. Species Esperia calyx Nardo, 1833 accepted as Calyx nicaeensis (Risso, 1827) (genus transfer and junior synonym)
11. Species Esperia collina (Bowerbank, 1882) accepted as Amphilectus fucorum (Esper, 1794) (genus transfer & junior synonym)
12. Species Esperia constricta (Bowerbank, 1866) accepted as Mycale (Mycale) lingua (Bowerbank, 1866) (genus transfer and junior synonym)
13. Species Esperia contarenii (Lieberkühn, 1859) accepted as Mycale (Aegogropila) contarenii (Lieberkühn, 1859) (genus transfer)
14. Species Esperia cunninghami Carter, 1882 accepted as Mycale (Aegogropila) magellanica (Ridley, 1881) (junior synonym)
15. Species Esperia cupressiformis Carter, 1874 accepted as Lycopodina cupressiformis (Carter, 1874) (genus transfer)
16. Species Esperia diaphana Schmidt, 1870 accepted as Mycale (Mycale) diaphana (Schmidt, 1870) (genus transfer and subgenus assignment)
17. Species Esperia dubia Czerniavsky, 1880 accepted as Mycale (Aegogropila) dubia (Czerniavsky, 1880) (genus transfer)
18. Species Esperia fabricans Schmidt, 1874 accepted as Forcepia (Forcepia) fabricans (Schmidt, 1874) (genus transfer)
19. Species Esperia foliata Fristedt, 1885 accepted as Clathria (Clathria) barleei (Bowerbank, 1866) (genus transfer and junior synonym)
20. Species Esperia foraminosa Schmidt, 1862 accepted as Mycale (Aegogropila) contarenii (Lieberkühn, 1859) (genus transfer and junior synonym)
21. Species Esperia forcipis (Bowerbank, 1866) accepted as Forcepia (Forcepia) forcipis (Bowerbank, 1866)
22. Species Esperia gelatinosa Ridley, 1884 accepted as Mycale (Mycale) gelatinosa (Ridley, 1884) (genus transfer)
23. Species Esperia helios Fristedt, 1887 accepted as Mycale (Carmia) helios (Fristedt, 1887) (genus transfer)
24. Species Esperia hyndmani (Bowerbank, 1858) accepted as Iophon hyndmani (Bowerbank, 1858) (genus transfer)
25. Species Esperia immitis Schmidt, 1870 accepted as Mycale (Mycale) immitis (Schmidt, 1870) (genus transfer)
26. Species Esperia indica Carter, 1887 accepted as Mycale (Mycale) grandis Gray, 1867 (genus transfer and junior synonym)
27. Species Esperia intermedia Schmidt, 1874 accepted as Mycale (Oxymycale) intermedia (Schmidt, 1874) (genus transfer)
28. Species Esperia irregularis Czerniavsky, 1880 accepted as Mycale (Aegogropila) contarenii (Lieberkühn, 1859) (genus transfer and junior synonym)
29. Species Esperia jeffreysii (Bowerbank, 1866) accepted as Oceanapia robusta (Bowerbank, 1866) (genus transfer and junior synonym)
30. Species Esperia laevis Carter, 1882 accepted as Mycale (Mycale) laevis (Carter, 1882) (genus transfer)
31. Species Esperia lanugo Schmidt, 1875 accepted as Amphilectus ovulum (Schmidt, 1870) (genus transfer and junior synonym)
32. Species Esperia lanx Vosmaer, 1882 accepted as Artemisina arcigera (Schmidt, 1870) (genus transfer and junior synonym)
33. Species Esperia lingua (Bowerbank, 1866) accepted as Mycale (Mycale) lingua (Bowerbank, 1866) (genus transfer)
34. Species Esperia lorenzii Schmidt, 1862 accepted as Mycale (Aegogropila) syrinx (Schmidt, 1862) (genus transfer and junior synonym)
35. Species Esperia loveni (Fristedt, 1887) accepted as Mycale (Mycale) loveni (Fristedt, 1887) (genus transfer)
36. Species Esperia lucifera Schmidt, 1873 accepted as Mycale (Mycale) lingua (Bowerbank, 1866) (genus transfer and junior synonym)
37. Species Esperia macilenta (Bowerbank, 1866) accepted as Mycale (Carmia) macilenta (Bowerbank, 1866) (genus transfer)
38. Species Esperia magellanica Ridley, 1881 accepted as Mycale (Aegogropila) magellanica (Ridley, 1881) (genus transfer)
39. Species Esperia massa Schmidt, 1862 accepted as Mycale (Mycale) massa (Schmidt, 1862) (genus transfer)
40. Species Esperia modesta Schmidt, 1862 accepted as Mycale (Aegogropila) contarenii (Lieberkühn, 1859) (genus transfer and junior synonym)
41. Species Esperia muscoides Czerniavsky, 1880 accepted as Mycale muscoides (Czerniavsky, 1880) (genus transfer)
42. Species Esperia nigricans (Bowerbank, 1866) accepted as Iophon nigricans (Bowerbank, 1858) (genus transfer)
43. Species Esperia nodosa Schmidt, 1864 accepted as Mycale (Aegogropila) tunicata (Schmidt, 1862) (genus transfer and junior synonym)
44. Species Esperia normani (Bowerbank, 1866) accepted as Amphilectus fucorum (Esper, 1794) (genus transfer & junior synonym)
45. Species Esperia obscura Carter, 1882 accepted as Mycale (Naviculina) obscura (Carter, 1882) (genus transfer)
46. Species Esperia parasitica Carter, 1885 accepted as Mycale (Grapelia) australis (Gray, 1867) (genus transfer)
47. Species Esperia parishii (Bowerbank, 1875) accepted as Mycale (Zygomycale) parishii (Bowerbank, 1875) (genus transfer)
48. Species Esperia pattersoni sensu Fristedt, 1887 accepted as Iophon piceum (Vosmaer, 1882) (genus transfer and misidentification)
49. Species Esperia peachii (Bowerbank, 1882) accepted as Hymedesmia (Hymedesmia) peachii Bowerbank, 1882 (genus transfer)
50. Species Esperia pellucida Ridley, 1884 accepted as Mycale (Mycale) grandis Gray, 1867 (genus transfer and junior synonym)
51. Species Esperia placoides Carter, 1876 accepted as Mycale (Mycale) lingua (Bowerbank, 1866) (genus transfer and junior synonym)
52. Species Esperia plumosa Carter, 1882 accepted as Mycale (Zygomycale) parishii (Bowerbank, 1875) (genus transfer and junior synonym)
53. Species Esperia pustula Fristedt, 1887 accepted as Forcepia (Leptolabis) pustula (Fristedt, 1887) (genus transfer)
54. Species Esperia renieroides Schmidt, 1870 accepted as Mycale (Oxymycale) renieroides (Schmidt, 1870) (genus transfer)
55. Species Esperia rhopalophora Schmidt, 1875 accepted as Mycale (Rhaphidotheca) marshallhalli (Kent, 1870) (genus transfer and junior synonym)
56. Species Esperia sentinella Schmidt, 1868 accepted as Mycale (Carmia) macilenta (Bowerbank, 1866) (genus transfer and junior synonym)
57. Species Esperia serratohamata Carter, 1880 accepted as Mycale (Paresperella) serratohamata (Carter, 1880) (genus transfer)
58. Species Esperia socialis Carter, 1871 accepted as Mycale (Mycale) immitis (Schmidt, 1870) (genus transfer & junior synonym)
59. Species Esperia sophia Fristedt, 1887 accepted as Lissodendoryx (Lissodendoryx) sophia (Fristedt, 1887) (genus transfer)
60. Species Esperia stepanovii Czerniavsky, 1880 accepted as Hymedesmia (Hymedesmia) stepanovii (Czerniavsky, 1880) (genus transfer)
61. Species Esperia stolonifera Merejkowsky, 1878 accepted as Amphilectus ovulum (Schmidt, 1870) (genus transfer and junior synonym)
62. Species Esperia syrinx Schmidt, 1862 accepted as Mycale (Aegogropila) syrinx (Schmidt, 1862) (genus transfer)
63. Species Esperia tuberosa Schmidt, 1868 accepted as Mycale (Aegogropila) tunicata (Schmidt, 1862) (genus transfer and junior synonym)
64. Species Esperia tubulosa Nardo, 1833 accepted as Mycale (Aegogropila) syrinx (Schmidt, 1862) (nomen nudum and genus transfer)
65. Species Esperia tunicata Schmidt, 1862 accepted as Mycale (Aegogropila) tunicata (Schmidt, 1862) (genus transfer)
66. Species Esperia typus Nardo, 1833 accepted as Mycale (Aegogropila) contarenii (Lieberkühn, 1859) (genus transfer and junior synonym)
67. Species Esperia velutata (Renier, 1807) accepted as Desmacella velutata (Renier, 1807) (genus transfer)
68. Species Esperia villosa Carter, 1874 accepted as Esperiopsis villosa (Carter, 1874) (genus transfer)

 The webpage text is licensed under a Creative Commons Attribution 4.0 License