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? WoRMS 1406896
  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 WoRMS 1406897
  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 WoRMS 1415280
  19. Porella baculina
  20. Canu & Bassler, 1935 Oligocene- Miocene Australia Victoria WoRMS 1406898
  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 WoRMS 1406899
  31. Porella chiumeiae
  32. Hu, 1986 Pleistocene Taiwan WoRMS 1406900
  33. Porella circumcincta
  34. (Reuss, 1869) Paleogene Eocene Priabonian Italy WoRMS 1413093
  35. Porella circumornata
  36. (Reuss, 1848) Neogene Miocene Tortonian Austria, Hungary WoRMS 1413094
  37. Porella clavula
  38. (Canu & Bassler, 1920) Paleogene Austria, Hungary WoRMS 1413095
  39. Porella collifera
  40. Ulrich & Bassler, 1904 Neogene Miocene Serravallian-Tortonian USA Maryland WoRMS 1406901
  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 WoRMS 1406902
  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 WoRMS 1406903
  53. Porella? cornuta
  54. Levinsen, 1909 Recent Northwest Pacific - Japan WoRMS 1036419
  55. Porella coronata
  56. Canu & Bassler, 1920 Paleogene Eocene Priabonian USA WoRMS 1406904
  57. Porella coronata moodysbranchensis
  58. McGuirt, 1941 Paleogene Eocene Priabonian USA Louisiana WoRMS 1414983
  59. Porella crassoparies
  60. Canu & Bassler, 1920 Paleogene Oligocene Rupelian USA, Alabama WoRMS 1406905
  61. Porella cyclochyla
  62. Lagaaij, 1952 Neogene Pliocene Piacenzian Netherlands WoRMS 1406906
  63. Porella cylindrica
  64. Canu & Bassler, 1920 Paleogene Oligocene Rupelian USA, Alabama WoRMS 1406907
  65. Porella cylindrorostris
  66. Canu & Bassler, 1935 Paleogene Oligocene Chattian SE Australia WoRMS 1406908
  67. Porella cymosa
  68. Hayward, 1994 Recent N Atlantic WoRMS 111126
  69. Porella decorata
  70. Li, 1990 Neogene Miocene France WoRMS 1406909
  71. Porella? dennanti
  72. Maplestone, 1902 Neogene Miocene SE Australia WoRMS 1406910
  73. Porella denticulata
  74. (Stoliczka, 1865) Neogene Miocene New Zealand WoRMS 1413096
  75. Porella donoghueorum
  76. Dick, Grischenko & Mawatari, 2005 Recent Northeast Pacific Alaska WoRMS 389634
  77. Porella eocaena
  78. Neviani, 1905 Paleogene Eocene Spain WoRMS 1406911
  79. Porella erecta
  80. Canu & Bassler, 1920 Paleogene Oligocene Rupelian USA Alabama WoRMS 1406912
  81. Porella erecta
    (Homonym)
  82. David & Pouyet, 1972 Neogene Miocene Burdigalian France WoRMS 1406913
  83. Porella? excavata
  84. Canu & Bassler, 1935 Paleogene Oligocene Chattian Australia Victoria WoRMS 1406914
  85. Porella fragilis
  86. Levinsen, 1914 Recent Arctic WoRMS 156356
  87. Porella granulosa
  88. Canu & Bassler, 1920 Paleogene Eocene Priabonian USA Mississippi WoRMS 1406915
  89. Porella gregoryana
  90. Canu, 1911 Late Cretaceous Argentina WoRMS 1406916
  91. Porella hanaishiensis
  92. Hayami, 1975 Neogene Pliocene Japan WoRMS 1406917
  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 WoRMS 1406918
  101. Porella irregularis
  102. Canu & Bassler, 1920 Paleogene Eocene Priabonian USA Mississippi WoRMS 1406919
  103. Porella jacksonica
  104. Canu & Bassler, 1920 Paleogene Eocene Priabonian SE USA WoRMS 1406920
  105. Porella kurilensis
  106. Mawatari, 1956 Recent NW Pacific WoRMS 469169
    Porella laevis (Fleming, 1828) Recent NE Atlantic, Arctic WoRMS 111128
  107. Porella levinseni
  108. Canu, 1911 Late Cretaceous Argentina WoRMS 1406921
  109. Porella major
  110. Hincks, 1884 Recent Northeast Pacific Canada WoRMS 469162
  111. Porella marukawai
  112. Okada, 1918 Recent NW Pacific WoRMS 469173
  113. Porella mesoatlantica
  114. Souto, 2019 Recent Atlantic Hayes FZ WoRMS 1354158
  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 monops
  122. Römer, 1863 Paleogene Oligocene Rupelian Germany WoRMS 1406922
  123. Porella montgomeryensis
  124. McGuirt, 1941 Paleogene Oligocene Rupelian USA Louisiana WoRMS 1406923
  125. Porella mucronata
  126. Mawatari, 1956 Recent N. Pacific WoRMS 469168
  127. Porella mutabilis
  128. Canu & Lecointre, 1930 Neogene Miocene France WoRMS 1406924
  129. Porella normani
  130. Kluge, 1908 Recent Arctic WoRMS 1036410
  131. Porella nuda
  132. (Reuss, 1874) Neogene Miocene Tortonian Austria WoRMS 1413097
  133. Porella obliqua
  134. Canu & Bassler, 1920 Paleogene Eocene Priabonian USA Georgia WoRMS 1406925
  135. Porella obliquotella
  136. Canu, 1926 Paleogene Eocene Bartonian France, Belgium WoRMS 1406926
  137. Porella occulta
  138. Harmer, 1957 Recent Indonesia WoRMS 469158
  139. Porella? otwayensis
  140. (Maplestone, 1902) Paleogene Eocene/Oligocene SE Australia WoRMS 1413098
  141. Porella ouachitaensis
  142. McGuirt, 1941 Paleogene Eocene Priabonian USA Louisiana WoRMS 1406927
  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 WoRMS 1406928
  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 WoRMS 1406929
  157. Porella proboscidea
  158. Hincks, 1888 Recent Arctic WoRMS 111133
  159. Porella pulchra?
  160. Canu & Bassler, 1929 Cenozoic Belgium, Netherlands WoRMS 1406930
  161. Porella pungens
  162. Canu & Bassler, 1920 Paleogene Eocene Priabonian USA Mississippi WoRMS 1406931
  163. Porella rarecostulata
  164. Canu, 1914 Paleogene Oligocene France WoRMS 1406932
  165. Porella reduplicata
  166. (Osburn, 1933) Recent NW Atlantic WoRMS 469171
  167. Porella regularis
  168. (Reuss, 1874) Neogene Miocene Czech Republic WoRMS 1413099
  169. Porella rhomboidalis
  170. Canu, 1908 Neogene Miocene Argentina WoRMS 1406933
  171. Porella rhomboidalis
    (Homonym)
  172. Maplestone, 1902 Neogene Miocene Langhian Australia Victoria WoRMS 1406934
  173. Porella rhomboidalis crassimarginata
  174. Canu & Bassler, 1935 Neogene Miocene Langhian Australia Victoria WoRMS 1414984
  175. Porella rhomboidalis parviapertura
  176. Canu & Bassler, 1935 Neogene Miocene Langhian Australia Victoria WoRMS 1414985
  177. Porella rogeri
  178. Brown, 1958 Neogene Miocene SE Australia WoRMS 1406935
  179. Porella rotundirostris
  180. Liu, 1990 Recent China WoRMS 469166
  181. Porella semiluna
  182. (Reuss, 1865) Paleogene Oligocene Rupelian Germany WoRMS 1413100
  183. Porella sinuosa
  184. (Busk, 1859) Neogene Pliocene England, Netherlands WoRMS 1413101
  185. Porella smitti
  186. Kluge, 1907 Recent Arctic WoRMS 111134
  187. Porella soellingensis
  188. (Reuss, 1865) Paleogene Oligocene Rupelian Germany WoRMS 1413102
  189. Porella sphaerica
  190. Canu, 1908 Neogene Miocene Argentina WoRMS 1406936
  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 WoRMS 1406937
  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 WoRMS 1406938
  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 WoRMS 1406939
  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 WoRMS 1406940
[Porella belli] [Porella compressa] [Small Porella concinna] [Porella laevis]
Porella belli Porella compressa Porella concinna Porella laevis
(thanks to Dennis Gordon, NIWA)

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)
Modified on 30/6/2019 (Added H.mesoatlantica)
Modified on 17/6/2020 (Added WoRMS links)
This URL is http://bryozoa.net/cheilostomata/bryocryptellidae/porella.html