1. Species Porella abdita Canu & Bassler, 1920 †
2. Species Porella acutirostris Smitt, 1868
3. Species Porella alba Nordgaard, 1906
4. Species Porella ammense Winston & Hayward, 2012
5. Species Porella andrejashevi Gontar, 1993
6. Species Porella angustata Maplestone, 1902 †
7. Species Porella aperta Boeck, 1862
8. Species Porella areolata Maplestone, 1902
9. Species Porella baculina Canu & Bassler, 1935 †
10. Species Porella belli (Dawson, 1859)
11. Species Porella biserialis Souto, Berning & Ostrovsky, 2016
12. Species Porella bispina O'Donoghue & O'Donoghue, 1923
13. Species Porella capensis O'Donoghue, 1924
14. Species Porella capitata Faura & Canu, 1916 †
15. Species Porella chiumeiae Hu, 1986 †
16. Species Porella circumcincta (Reuss, 1869) †
17. Species Porella circumornata (Reuss, 1848) †
18. Species Porella clavula (Canu & Bassler, 1920) †
19. Species Porella collifera Ulrich & Bassler, 1904 †
20. Species Porella columbiana O'Donoghue & O'Donoghue, 1923
21. Species Porella compacta Canu & Bassler, 1920 †
22. Species Porella compressa (J. Sowerby, 1805)
23. Species Porella concinna (Busk, 1854)
24. Species Porella concreta Brown, 1952 †
25. Species Porella coronata Canu & Bassler, 1920 †
26. Species Porella crassoparies Canu & Bassler, 1920 †
27. Species Porella cyclochyla Lagaaij, 1952 †
28. Species Porella cylindrica Canu & Bassler, 1920 †
29. Species Porella cylindrorostris Canu & Bassler, 1935 †
30. Species Porella cymosa Hayward, 1994
31. Species Porella decorata Li, 1990 †
32. Species Porella dennanti Maplestone, 1902 †
33. Species Porella denticulata (Stoliczka, 1865) †
34. Species Porella donoghueorum Dick, Grischenko & Mawatari, 2005
35. Species Porella eocaena Neviani, 1905 †
36. Species Porella erecta Canu & Bassler, 1920 †
37. Species Porella erecta David & Pouyet, 1972 †
38. Species Porella excavata Canu & Bassler, 1935 †
39. Species Porella fragilis Levinsen, 1914
40. Species Porella granulosa Canu & Bassler, 1920 †
41. Species Porella gregoryana Canu, 1911 †
42. Species Porella hanaishiensis Hayami, 1975 †
43. Species Porella hyadesi Jullien, 1888
44. Species Porella immersa Mawatari, 1956
45. Species Porella innocua MacGillivray, 1895 †
46. Species Porella irregularis Canu & Bassler, 1920 †
47. Species Porella jacksonica Canu & Bassler, 1920 †
48. Species Porella kurilensis Mawatari, 1956
49. Species Porella laevis (Fleming, 1828)
50. Species Porella levinseni Canu, 1911 †
51. Species Porella major (Hincks, 1884)
52. Species Porella marukawai Okada, 1918
53. Species Porella mesoatlantica Souto, 2019
54. Species Porella minuta (Norman, 1868)
55. Species Porella monops Römer, 1863 †
56. Species Porella montgomeryensis McGuirt, 1941 †
57. Species Porella mucronata Mawatari, 1956
58. Species Porella mutabilis Canu & Lecointre, 1930 †
59. Species Porella normani Kluge, 1908
60. Species Porella nuda (Reuss, 1874) †
61. Species Porella obliqua Canu & Bassler, 1920 †
62. Species Porella obliquotella Canu, 1926 †
63. Species Porella occulta Harmer, 1957
64. Species Porella otwayensis (Maplestone, 1902) †
65. Species Porella ouachitaensis McGuirt, 1941 †
66. Species Porella patens Osburn, 1952
67. Species Porella patula (M.Sars, 1851)
68. Species Porella peristomata (Nordgaard, 1905)
69. Species Porella planulata Canu & Bassler, 1920 †
70. Species Porella porifera (Hincks, 1884)
71. Species Porella portentosa Canu & Bassler, 1920 †
72. Species Porella proboscidea Hincks, 1888
73. Species Porella pulchra Canu & Bassler, 1929 †
74. Species Porella pungens Canu & Bassler, 1920 †
75. Species Porella rarecostulata Canu, 1914 †
76. Species Porella reduplicata (Osburn, 1933)
77. Species Porella regularis (Reuss, 1874) †
78. Species Porella rhomboidalis Canu, 1908 †
79. Species Porella rhomboidalis Maplestone, 1902 †
80. Species Porella rogeri Brown, 1958 †
81. Species Porella rotundirostris Liu, 1990
82. Species Porella semiluna (Reuss, 1865) †
83. Species Porella sinuosa (Busk, 1859) †
84. Species Porella smitti Kluge, 1907
85. Species Porella soellingensis (Reuss, 1865) †
86. Species Porella sphaerica Canu, 1908 †
87. Species Porella struma (Norman, 1868)
88. Species Porella subcompressa Busk, 1884
89. Species Porella taylori Soule, Soule & Chaney, 1995
90. Species Porella tenuis (Calvet, 1906)
91. Species Porella tenuis Koschinsky, 1885 †
92. Species Porella tiorioriensis Gordon & Taylor, 2015 †
93. Species Porella tuberosa Canu & Bassler, 1935 †
94. Species Porella tumida Kluge, 1955
95. Species Porella turgidula Hayward, 1994
96. Species Porella unguiculata Canu & Bassler, 1920 †
97. Species Porella antarctica Gray, 1872 accepted as Errina antarctica (Gray, 1872) (Basionym)
98. Species Porella asymmetrica Schiller, 1933 accepted as Mesoporos perforatus (Gran) Lillick, 1937 (synonym)
99. Species Porella bella (Busk, 1860) accepted as Smittina bella (Busk, 1860)
100. Species Porella cervicornis (Pallas, 1766) accepted as Smittina cervicornis (Pallas, 1766)
101. Species Porella denticulifera Canu & Bassler, 1920 † accepted as Plagiosmittia denticulifera (Canu & Bassler, 1920) † (Basionym)
102. Species Porella elegantula (d'Orbigny, 1851) accepted as Cystisella elegantula (d'Orbigny, 1851) (Alternative combination)
103. Species Porella fissurata Ortmann, 1890 accepted as Cigclisula fissurata (Ortmann, 1890)
104. Species Porella groenlandica Norman, 1894 accepted as Pachyegis groenlandica (Norman, 1894)
105. Species Porella obesa Waters, 1900 accepted as Schizoporella obesa (Waters, 1900)
106. Species Porella operculata Canu & Bassler, 1935 † accepted as Myriapora operculata (Canu & Bassler, 1935) † (Basionym)
107. Species Porella pacifica O'Donoghue, 1925 accepted as Rhamphostomella pacifica (O'Donoghue, 1925) (unaccepted > superseded combination, Basionym)
108. Species Porella plana Hincks, 1888 accepted as Palmiskenea plana (Hincks, 1888)
109. Species Porella princeps Norman, 1903 accepted as Pachyegis princeps (Norman, 1903)
110. Species Porella saccata (Busk, 1856) accepted as Cystisella saccata (Busk, 1856)
111. Species Porella tubulata (Busk, 1861) accepted as Bryocryptella tubulata (Busk, 1861)
112. Species Porella tubulifera (Heller, 1867) accepted as Phoceana tubulifera (Heller, 1867)
113. Species Porella variabilis Androsova, 1958 accepted as Buchneria variabilis (Androsova, 1958)
114. Species Porella areolata Ortmann, 1890 (uncertain > taxon inquirendum)
115. Species Porella cornuta Levinsen, 1909 (uncertain > taxon inquirendum)
116. Species Porella inflata Waters, 1900 (uncertain > taxon inquirendum)
117. Species Porella transversalis Ortmann, 1890 (uncertain > taxon inquirendum)
118. Species Porella tridentata Pratt, 1898 (uncertain > taxon inquirendum)

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