Porella Gray, 1848

Type species: Millepora compressa J.Sowerby, 1805

Synonyms Author Type species
Grayporella Annoscia, 1969  
Levinseniula Cossman, 1920  
Porelloides Hayward, 1979 Cellepora laevis Fleming, 1828

This genus includes the species:

  1. Porella abdita
  2. Canu & Bassler, 1920 Paleogene Eocene Priabonian USA Florida, Poland?  
  3. Porella acutirostris
  4. Smitt, 1868 Recent
    Neogene
    Arctic, N. Atlantic, N Pacific
    Japan
    WoRMS 111121
  5. Porella alba
  6. Nordgaard, 1906 Recent Arctic, N. Atlantic WoRMS 111122
  7. Porella ammense
  8. Winston & Hayward, 2012 Recent Northwest Atlantic USA WoRMS 607828
  9. Porella andrejashevi
  10. Gontar, 1993 Recent Antarctic WoRMS 469165
  11. Porella angustata
  12. Maplestone, 1902 Neogene Miocene Australia Victoria  
  13. Porella aperta
  14. (Boeck, 1862) Recent Arctic WoRMS 423677
  15. Porella areolata
  16. Ortmann, 1890 Recent Northwest Pacific - Japan WoRMS 1036396
  17. Porella areolata
    (Homonym)
  18. Maplestone, 1902 Oligocene- Miocene Australia Victoria  
  19. Porella baculina
  20. Canu & Bassler, 1935 Oligocene- Miocene Australia Victoria  
  21. Porella belli
  22. (Dawson, 1859) Recent N. Atlantic WoRMS 111123
  23. Porella biserialis
  24. Souto, Berning & Ostrovsky, 2016 Recent Northeast Atlantic Spain WoRMS 868423
  25. Porella bispina
  26. O'Donoghue & O'Donoghue, 1923 Recent N. Pacific WoRMS 469172
  27. Porella capensis
  28. O'Donoghue, 1924 Recent S. Africa WoRMS 469159
  29. Porella capitata
  30. Faura & Canu, 1916 Paleogene Eocene Priabonian Spain  
  31. Porella chiumeiae
  32. Hu, 1986 Pleistocene Taiwan  
  33. Porella circumcincta
  34. (Reuss, 1869) Paleogene Eocene Priabonian Italy  
  35. Porella circumornata
  36. (Reuss, 1848) Neogene Miocene Tortonian Austria, Hungary  
  37. Porella clavula
  38. (Canu & Bassler, 1920) Paleogene Austria, Hungary  
  39. Porella collifera
  40. Ulrich & Bassler, 1904 Neogene Miocene Serravallian-Tortonian USA Maryland  
  41. Porella columbiana
  42. O'Donoghue & O'Donoghue, 1923 Recent
    Neogene Miocene
    NE Pacific
    Japan
    WoRMS 469160
  43. Porella compacta
  44. Canu & Bassler, 1920 Paleogene Oligocene, Neogene Miocene USA Mississippi, Louisiana  
  45. Porella compressa
  46. (J.Sowerby, 1805) Recent NE Atlantic WoRMS 111124
  47. Porella concinna
  48. (Busk, 1854) Recent NE Atlantic, Mediterranean WoRMS 111125
  49. Porella concinna tubulata
  50. Calvet, 1927 Recent Mediterranean WoRMS 111774
  51. Porella? concreta
  52. Brown, 1952 Neogene Miocene New Zealand  
  53. Porella? cornuta
  54. Levinsen, 1909 Recent Northwest Pacific - Japan WoRMS 1036419
  55. Porella coronata
  56. Canu & Bassler, 1920 Paleogene Eocene Priabonian USA  
  57. Porella coronata moodysbranchensis
  58. McGuirt, 1941 Paleogene Eocene Priabonian USA Louisiana  
  59. Porella crassoparies
  60. Canu & Bassler, 1920 Paleogene Oligocene Rupelian USA, Alabama  
  61. Porella cyclochyla
  62. Lagaaij, 1952 Neogene Pliocene Piacenzian Netherlands  
  63. Porella cylindrica
  64. Canu & Bassler, 1920 Paleogene Oligocene Rupelian USA, Alabama  
  65. Porella cylindrorostris
  66. Canu & Bassler, 1935 Paleogene Oligocene Chattian SE Australia  
  67. Porella cymosa
  68. Hayward, 1994 Recent N Atlantic WoRMS 111126
  69. Porella decorata
  70. Li, 1990 Neogene Miocene France  
  71. Porella? dennanti
  72. Maplestone, 1902 Neogene Miocene SE Australia  
  73. Porella denticulata
  74. (Stoliczka, 1865) Neogene Miocene New Zealand  
  75. Porella donoghueorum
  76. Dick, Grischenko & Mawatari, 2005 Recent Northeast Pacific Alaska WoRMS 389634
  77. Porella eocaena
  78. Neviani, 1905 Paleogene Eocene Spain  
  79. Porella erecta
  80. Canu & Bassler, 1920 Paleogene Oligocene Rupelian USA Alabama  
  81. Porella erecta
    (Homonym)
  82. David & Pouyet, 1972 Neogene Miocene Burdigalian France  
  83. Porella? excavata
  84. Canu & Bassler, 1935 Paleogene Oligocene Chattian Australia Victoria  
  85. Porella fragilis
  86. Levinsen, 1914 Recent Arctic WoRMS 156356
  87. Porella granulosa
  88. Canu & Bassler, 1920 Paleogene Eocene Priabonian USA Mississippi  
  89. Porella gregoryana
  90. Canu, 1911 Late Cretaceous Argentina  
  91. Porella hanaishiensis
  92. Hayami, 1975 Neogene Pliocene Japan  
  93. Porella hyadesi
  94. Jullien, 1888 Recent S. Atlantic WoRMS 469174
  95. Porella immersa
  96. Mawatari, 1956 Recent NW Pacific WoRMS 469161
  97. Porella inflata
  98. Waters, 1900 Recent Arctic WoRMS 1036397
  99. Porella innocua
  100. MacGillivray, 1895 Neogene Miocene SE Australia  
  101. Porella irregularis
  102. Canu & Bassler, 1920 Paleogene Eocene Priabonian USA Mississippi  
  103. Porella jacksonica
  104. Canu & Bassler, 1920 Paleogene Eocene Priabonian SE USA  
  105. Porella kurilensis
  106. Mawatari, 1956 Recent NW Pacific WoRMS 469169
  107. Porella laevis
  108. (Fleming, 1828) Recent NE Atlantic, Arctic WoRMS 111128
  109. Porella levinseni
  110. Canu, 1911 Late Cretaceous Argentina  
  111. Porella major
  112. Hincks, 1884 Recent Northeast Pacific Canada WoRMS 469162
  113. Porella marukawai
  114. Okada, 1918 Recent NW Pacific WoRMS 469173
  115. Porella minuta
  116. (Norman, 1868) Recent NE Atlantic, Mediterranean WoRMS 111129
  117. Porella minuta orientalis
  118. Kluge, 1955 Recent N. Pacific WoRMS 472651
  119. Porella minuta punctata
  120. Waters, 1899 Recent East Atlantic Madeira WoRMS 1036411
  121. Porella montgomeryensis
  122. McGuirt, 1941 Paleogene Oligocene Rupelian USA Louisiana  
  123. Porella monops
  124. Römer, 1863 Paleogene Oligocene Rupelian Germany  
  125. Porella mucronata
  126. Mawatari, 1956 Recent N. Pacific WoRMS 469168
  127. Porella mutabilis
  128. Canu & Lecointre, 1930 Neogene Miocene France  
  129. Porella normani
  130. Kluge, 1908 Recent Arctic WoRMS 1036410
  131. Porella nuda
  132. (Reuss, 1874) Neogene Miocene Tortonian Austria  
  133. Porella obliqua
  134. Canu & Bassler, 1920 Paleogene Eocene Priabonian USA Georgia  
  135. Porella obliquotella
  136. Canu, 1926 Paleogene Eocene Bartonian France, Belgium  
  137. Porella occulta
  138. Harmer, 1957 Recent Indonesia WoRMS 469158
  139. Porella? otwayensis
  140. (Maplestone, 1902) Paleogene Eocene/Oligocene SE Australia  
  141. Porella ouachitaensis
  142. McGuirt, 1941 Paleogene Eocene Priabonian USA Louisiana  
  143. Porella pacifica
  144. O'Donoghue, 1925 Recent West Indian Ocean South Africa WoRMS 1036413
  145. Porella patens
  146. Osburn, 1952 Recent East Pacific WoRMS 469170
  147. Porella patula
  148. (M.Sars, 1851) Recent Arctic, N. Atlantic WoRMS 111130
  149. Porella peristomata
  150. (Nordgaard, 1905) Recent Arctic, N. Atlantic WoRMS 111131
  151. Porella planulata
  152. Canu & Bassler, 1920 Paleogene Eocene Priabonian USA North Carolina  
  153. Porella porifera
  154. (Hincks, 1884) Recent
    Pleistocene
    NE Pacific
    USA California
    WoRMS 469163
  155. Porella portentosa
  156. Canu & Bassler, 1920 Paleogene Eocene Priabonian SE USA  
  157. Porella proboscidea
  158. Hincks, 1888 Recent Arctic WoRMS 111133
  159. Porella pulchra?
  160. Canu & Bassler, 1929 Cenozoic Belgium, Netherlands  
  161. Porella pungens
  162. Canu & Bassler, 1920 Paleogene Eocene Priabonian USA Mississippi  
  163. Porella rarecostulata
  164. Canu, 1914 Paleogene Oligocene France  
  165. Porella reduplicata
  166. (Osburn, 1933) Recent NW Atlantic WoRMS 469171
  167. Porella regularis
  168. (Reuss, 1874) Neogene Miocene Czech Republic  
  169. Porella rhomboidalis
  170. Canu, 1908 Neogene Miocene Argentina  
  171. Porella rhomboidalis
    (Homonym)
  172. Maplestone, 1902 Neogene Miocene Langhian Australia Victoria  
  173. Porella rhomboidalis crassimarginata
  174. Canu & Bassler, 1935 Neogene Miocene Langhian Australia Victoria  
  175. Porella rhomboidalis parviapertura
  176. Canu & Bassler, 1935 Neogene Miocene Langhian Australia Victoria  
  177. Porella rogeri
  178. Brown, 1958 Neogene Miocene SE Australia  
  179. Porella rotundirostris
  180. Liu, 1990 Recent China WoRMS 469166
  181. Porella semiluna
  182. (Reuss, 1865) Paleogene Oligocene Rupelian Germany  
  183. Porella sinuosa
  184. (Busk, 1859) Neogene Pliocene England, Netherlands  
  185. Porella smitti
  186. Kluge, 1907 Recent Arctic WoRMS 111134
  187. Porella soellingensis
  188. (Reuss, 1865) Paleogene Oligocene Rupelian Germany  
  189. Porella sphaerica
  190. Canu, 1908 Neogene Miocene Argentina  
  191. Porella struma
  192. (Norman, 1868) Recent Arctic, N. Atlantic WoRMS 111135
  193. Porella subcompressa
  194. Busk, 1884 Recent East Atlantic Cape Verde WoRMS 469175
  195. Porella taylori
  196. Soule, Soule & Chaney, 1995 Recent NE Pacific WoRMS 469164
  197. Porella tenuis
  198. Koschinsky, 1885 Paleogene Eocene Lutetian Germany  
  199. Porella tenuis
    (Homonym)
  200. (Calvet, 1906) Recent Mediterranean WoRMS 868431
  201. Porella tiorioriensis
  202. Gordon & Taylor, 2015 Paleogene Eocene Ypresian New Zealand Chatham Islands  
  203. Porella transversalis
  204. Ortmann, 1890 Recent Northwest Pacific - Japan WoRMS 1036415
  205. Porella tridentata
  206. Pratt, 1898 Recent South Atlantic Falklands WoRMS 1036418
  207. Porella tuberosa
  208. Canu & Bassler, 1935 Neogene Miocene Langhian Australia Victoria  
  209. Porella tumida
  210. Kluge, 1955 Recent Arctic WoRMS 156358
  211. Porella turgidula
  212. Hayward, 1994 Recent N. Atlantic WoRMS 111137
  213. Porella unguiculata
  214. Canu & Bassler, 1920 Paleogene Eocene Priabonian USA North Carolina  
[Porella belli] [Porella compressa] [Small Porella concinna]
Porella belli Porella compressa Porella concinna

Harmer notebook - entry for Levinseniula
Harmer notebook - entry for Marsillea
Harmer notebook - entry for Porella

This information is based upon various sources, but no personal knowledge. I am indebted to the late Alan Horowitz for his compilation, and to Dr. J. Pachut.
I would be grateful for corrections to, or critical reviews of this information. This is not a 'final' version (an impossible ideal), but a working document.
A large number of species in this list probably are not related to the type species: some may be be allied to Aimulosia.

Porella hanaishiensis at Pleistocene Bryozoa of Kuromatsunai, Japan.

Porella compressa at Encyclopedia of Marine Life of Britain and Ireland.

Porella compressa at Bryozoa of the British Isles
Porella concinna at Bryozoa of the British Isles

Porella acutirostris at Atlas of Arctic Bryozoa - Piotr Kuklinski.
Porella alba at Atlas of Arctic Bryozoa - Piotr Kuklinski.
Porella aperta at Atlas of Arctic Bryozoa - Piotr Kuklinski.
Porella belli at Atlas of Arctic Bryozoa - Piotr Kuklinski.
Porella compressa at Atlas of Arctic Bryozoa - Piotr Kuklinski.
Porella concinna at Atlas of Arctic Bryozoa - Piotr Kuklinski.
Porella fragilis at Atlas of Arctic Bryozoa - Piotr Kuklinski.
Porella minuta at Atlas of Arctic Bryozoa - Piotr Kuklinski.
Porella peristomata at Atlas of Arctic Bryozoa - Piotr Kuklinski.
Porella proboscidea at Atlas of Arctic Bryozoa - Piotr Kuklinski.
Porella smitti at Atlas of Arctic Bryozoa - Piotr Kuklinski.
Porella struma at Atlas of Arctic Bryozoa - Piotr Kuklinski.
Porella tumida at Atlas of Arctic Bryozoa - Piotr Kuklinski.


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Edited by Phil Bock
Modified on 25/01/2016
Modified on 25/9/2017 (Added several species)
Modified on 1/9/2018 (Porella compressa date corrected from 1805 to 1806)
Modified on 12/3/2019 (Moved P.reversa to Metroperiella)
This URL is http://bryozoa.net/cheilostomata/bryocryptellidae/porella.html