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
  2. Porella acutirostris
    		3.  Smitt, 1868 Recent
    Neogene    		 Arctic, N. Atlantic, N Pacific
    Japan    		 WoRMS 111121
  3. Porella alba
    		4.  Nordgaard, 1906 Recent Arctic, N. Atlantic WoRMS 111122
  4. Porella ammense
    		5.  Winston & Hayward, 2012 Recent Northwest Atlantic USA WoRMS 607828
  5. Porella andrejashevi
    		6.  Gontar, 1993 Recent Antarctic WoRMS 469165
  6. Porella angustata
    		7.  Maplestone, 1902 Neogene Miocene Australia Victoria WoRMS 1406897
  7. Porella aperta
    		8.  (Boeck, 1862) Recent Arctic WoRMS 423677
  8. Porella areolata
    		9.  Ortmann, 1890 Recent Northwest Pacific - Japan WoRMS 1036396
  9. Porella areolata
    (Homonym)
    		10.  Maplestone, 1902 Oligocene- Miocene Australia Victoria WoRMS 1415280
  10. Porella baculina
    		11.  Canu & Bassler, 1935 Oligocene- Miocene Australia Victoria WoRMS 1406898
  11. Porella belli
    		12.  (Dawson, 1859) Recent N. Atlantic WoRMS 111123
  12. Porella biserialis
    		13.  Souto, Berning & Ostrovsky, 2016 Recent Northeast Atlantic Spain WoRMS 868423
  13. Porella bispina
    		14.  O'Donoghue & O'Donoghue, 1923 Recent N. Pacific WoRMS 469172
  14. Porella capensis
    		15.  O'Donoghue, 1924 Recent S. Africa WoRMS 469159
  15. Porella capitata
    		16.  Faura & Canu, 1916 Paleogene Eocene Priabonian Spain WoRMS 1406899
  16. Porella chiumeiae
    		17.  Hu, 1986 Pleistocene Taiwan WoRMS 1406900
  17. Porella circumcincta
    		18.  (Reuss, 1869) Paleogene Eocene Priabonian Italy WoRMS 1413093
  18. Porella circumornata
    		19.  (Reuss, 1848) Neogene Miocene Tortonian Austria, Hungary WoRMS 1413094
  19. Porella clavula
    		20.  (Canu & Bassler, 1920) Paleogene Austria, Hungary WoRMS 1413095
  20. Porella collifera
    		21.  Ulrich & Bassler, 1904 Neogene Miocene Serravallian-Tortonian USA Maryland WoRMS 1406901
  21. Porella columbiana
    		22.  O'Donoghue & O'Donoghue, 1923 Recent
    Neogene Miocene    		 NE Pacific
    Japan    		 WoRMS 469160
  22. Porella compacta
    		23.  Canu & Bassler, 1920 Paleogene Oligocene, Neogene Miocene USA Mississippi, Louisiana WoRMS 1406902
  23. Porella compressa
    		24. (J.Sowerby, 1805) Recent NE Atlantic WoRMS 111124
  24. Porella concinna
    		25. (Busk, 1854) Recent NE Atlantic, Mediterranean WoRMS 111125
  25. Porella concinna tubulata
    		26.  Calvet, 1927 Recent Mediterranean WoRMS 111774
  26. Porella? concreta
    		27.  Brown, 1952 Neogene Miocene New Zealand WoRMS 1406903
  27. Porella? cornuta
    		28.  Levinsen, 1909 Recent Northwest Pacific - Japan WoRMS 1036419
  28. Porella coronata
    		29.  Canu & Bassler, 1920 Paleogene Eocene Priabonian USA WoRMS 1406904
  29. Porella coronata moodysbranchensis
    		30.  McGuirt, 1941 Paleogene Eocene Priabonian USA Louisiana WoRMS 1414983
  30. Porella crassoparies
    		31.  Canu & Bassler, 1920 Paleogene Oligocene Rupelian USA, Alabama WoRMS 1406905
  31. Porella cyclochyla
    		32.  Lagaaij, 1952 Neogene Pliocene Piacenzian Netherlands WoRMS 1406906
  32. Porella cylindrica
    		33.  Canu & Bassler, 1920 Paleogene Oligocene Rupelian USA, Alabama WoRMS 1406907
  33. Porella cylindrorostris
    		34.  Canu & Bassler, 1935 Paleogene Oligocene Chattian SE Australia WoRMS 1406908
  34. Porella cymosa
    		35.  Hayward, 1994 Recent N Atlantic WoRMS 111126
  35. Porella decorata
    		36.  Li, 1990 Neogene Miocene France WoRMS 1406909
  36. Porella? dennanti
    		37.  Maplestone, 1902 Neogene Miocene SE Australia WoRMS 1406910
  37. Porella denticulata
    		38.  (Stoliczka, 1865) Neogene Miocene New Zealand WoRMS 1413096
  38. Porella donoghueorum
    		39.  Dick, Grischenko & Mawatari, 2005 Recent Northeast Pacific Alaska WoRMS 389634
  39. Porella eocaena
    		40.  Neviani, 1905 Paleogene Eocene Spain WoRMS 1406911
  40. Porella erecta
    		41.  Canu & Bassler, 1920 Paleogene Oligocene Rupelian USA Alabama WoRMS 1406912
  41. Porella erecta
    (Homonym)
    		42.  David & Pouyet, 1972 Neogene Miocene Burdigalian France WoRMS 1406913
  42. Porella? excavata
    		43.  Canu & Bassler, 1935 Paleogene Oligocene Chattian Australia Victoria WoRMS 1406914
  43. Porella fragilis
    		44.  Levinsen, 1914 Recent Arctic WoRMS 156356
  44. Porella granulosa
    		45.  Canu & Bassler, 1920 Paleogene Eocene Priabonian USA Mississippi WoRMS 1406915
  45. Porella gregoryana
    		46.  Canu, 1911 Late Cretaceous Argentina WoRMS 1406916
  46. Porella hanaishiensis
    		47.  Hayami, 1975 Neogene Pliocene Japan WoRMS 1406917
  47. Porella hyadesi
    		48.  Jullien, 1888 Recent S. Atlantic WoRMS 469174
  48. Porella immersa
    		49.  Mawatari, 1956 Recent NW Pacific WoRMS 469161
  49. Porella inflata
    		50.  Waters, 1900 Recent Arctic WoRMS 1036397
  50. Porella innocua
    		51.  MacGillivray, 1895 Neogene Miocene SE Australia WoRMS 1406918
  51. Porella irregularis
    		52.  Canu & Bassler, 1920 Paleogene Eocene Priabonian USA Mississippi WoRMS 1406919
  52. Porella jacksonica
    		53.  Canu & Bassler, 1920 Paleogene Eocene Priabonian SE USA WoRMS 1406920
  53. Porella kurilensis
    		54.  Mawatari, 1956 Recent NW Pacific WoRMS 469169
    Porella laevis (Fleming, 1828) Recent NE Atlantic, Arctic WoRMS 111128
  54. Porella levinseni
    		55.  Canu, 1911 Late Cretaceous Argentina WoRMS 1406921
  55. Porella major
    		56.  Hincks, 1884 Recent Northeast Pacific Canada WoRMS 469162
  56. Porella marukawai
    		57.  Okada, 1918 Recent NW Pacific WoRMS 469173
  57. Porella mesoatlantica
    		58.  Souto, 2019 Recent Atlantic Hayes FZ WoRMS 1354158
  58. Porella minuta
    		59.  (Norman, 1868) Recent NE Atlantic, Mediterranean WoRMS 111129
  59. Porella minuta orientalis
    		60.  Kluge, 1955 Recent N. Pacific WoRMS 472651
  60. Porella minuta punctata
    		61.  Waters, 1899 Recent East Atlantic Madeira WoRMS 1036411
  61. Porella monops
    		62.  Römer, 1863 Paleogene Oligocene Rupelian Germany WoRMS 1406922
  62. Porella montgomeryensis
    		63.  McGuirt, 1941 Paleogene Oligocene Rupelian USA Louisiana WoRMS 1406923
  63. Porella mucronata
    		64.  Mawatari, 1956 Recent N. Pacific WoRMS 469168
  64. Porella mutabilis
    		65.  Canu & Lecointre, 1930 Neogene Miocene France WoRMS 1406924
  65. Porella normani
    		66.  Kluge, 1908 Recent Arctic WoRMS 1036410
  66. Porella nuda
    		67.  (Reuss, 1874) Neogene Miocene Tortonian Austria WoRMS 1413097
  67. Porella obliqua
    		68.  Canu & Bassler, 1920 Paleogene Eocene Priabonian USA Georgia WoRMS 1406925
  68. Porella obliquotella
    		69.  Canu, 1926 Paleogene Eocene Bartonian France, Belgium WoRMS 1406926
  69. Porella occulta
    		70.  Harmer, 1957 Recent Indonesia WoRMS 469158
  70. Porella? otwayensis
    		71.  (Maplestone, 1902) Paleogene Eocene/Oligocene SE Australia WoRMS 1413098
  71. Porella ouachitaensis
    		72.  McGuirt, 1941 Paleogene Eocene Priabonian USA Louisiana WoRMS 1406927
  72. Porella pacifica
    		73.  O'Donoghue, 1925 Recent Northeast Pacific WoRMS 1036413
  73. Porella patens
    		74.  Osburn, 1952 Recent East Pacific WoRMS 469170
  74. Porella patula
    		75.  (M.Sars, 1851) Recent Arctic, N. Atlantic WoRMS 111130
  75. Porella peristomata
    		76.  (Nordgaard, 1905) Recent Arctic, N. Atlantic WoRMS 111131
  76. Porella planulata
    		77.  Canu & Bassler, 1920 Paleogene Eocene Priabonian USA North Carolina WoRMS 1406928
  77. Porella porifera
    		78.  (Hincks, 1884) Recent
    Pleistocene    		 NE Pacific
    USA California    		 WoRMS 469163
  78. Porella portentosa
    		79.  Canu & Bassler, 1920 Paleogene Eocene Priabonian SE USA WoRMS 1406929
  79. Porella proboscidea
    		80.  Hincks, 1888 Recent Arctic WoRMS 111133
  80. Porella pulchra?
    		81.  Canu & Bassler, 1929 Cenozoic Belgium, Netherlands WoRMS 1406930
  81. Porella pungens
    		82.  Canu & Bassler, 1920 Paleogene Eocene Priabonian USA Mississippi WoRMS 1406931
  82. Porella rarecostulata
    		83.  Canu, 1914 Paleogene Oligocene France WoRMS 1406932
  83. Porella reduplicata
    		84.  (Osburn, 1933) Recent NW Atlantic WoRMS 469171
  84. Porella regularis
    		85.  (Reuss, 1874) Neogene Miocene Czech Republic WoRMS 1413099
  85. Porella rhomboidalis
    		86.  Canu, 1908 Neogene Miocene Argentina WoRMS 1406933
  86. Porella rhomboidalis
    (Homonym)
    		87.  Maplestone, 1902 Neogene Miocene Langhian Australia Victoria WoRMS 1406934
  87. Porella rhomboidalis crassimarginata
    		88.  Canu & Bassler, 1935 Neogene Miocene Langhian Australia Victoria WoRMS 1414984
  88. Porella rhomboidalis parviapertura
    		89.  Canu & Bassler, 1935 Neogene Miocene Langhian Australia Victoria WoRMS 1414985
  89. Porella rogeri
    		90.  Brown, 1958 Neogene Miocene SE Australia WoRMS 1406935
  90. Porella rotundirostris
    		91.  Liu, 1990 Recent China WoRMS 469166
  91. Porella semiluna
    		92.  (Reuss, 1865) Paleogene Oligocene Rupelian Germany WoRMS 1413100
  92. Porella sinuosa
    		93.  (Busk, 1859) Neogene Pliocene England, Netherlands WoRMS 1413101
  93. Porella smitti
    		94.  Kluge, 1907 Recent Arctic WoRMS 111134
  94. Porella soellingensis
    		95.  (Reuss, 1865) Paleogene Oligocene Rupelian Germany WoRMS 1413102
  95. Porella sphaerica
    		96.  Canu, 1908 Neogene Miocene Argentina WoRMS 1406936
  96. Porella struma
    		97.  (Norman, 1868) Recent Arctic, N. Atlantic WoRMS 111135
  97. Porella subcompressa
    		98.  Busk, 1884 Recent East Atlantic Cape Verde WoRMS 469175
  98. Porella taylori
    		99.  Soule, Soule & Chaney, 1995 Recent NE Pacific WoRMS 469164
  99. Porella tenuis
    		100.  Koschinsky, 1885 Paleogene Eocene Lutetian Germany WoRMS 1406937
  100. Porella tenuis
    (Homonym)
    		101.  (Calvet, 1906) Recent Mediterranean WoRMS 868431
  101. Porella tiorioriensis
    		102.  Gordon & Taylor, 2015 Paleogene Eocene Ypresian New Zealand Chatham Islands WoRMS 1406938
  102. Porella transversalis
    		103.  Ortmann, 1890 Recent Northwest Pacific - Japan WoRMS 1036415
  103. Porella tridentata
    		104.  Pratt, 1898 Recent South Atlantic Falklands WoRMS 1036418
  104. Porella tuberosa
    		105.  Canu & Bassler, 1935 Neogene Miocene Langhian Australia Victoria WoRMS 1406939
  105. Porella tumida
    		106. Kluge, 1955 Recent Arctic WoRMS 156358
  106. Porella turgidula
    		107.  Hayward, 1994 Recent N. Atlantic WoRMS 111137
  107. Porella unguiculata
    		108.  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)
Modified on 22/3/2022
This URL is http://bryozoa.net/cheilostomata/bryocryptellidae/porella.html