Calloporidae Norman, 1903

Colonies generally encrusting laminar sheets, rarely erect. Zooids often with extensive gymnocyst, an oval area including a cryptocyst which varies from minimal to extensive. Spines marginal to area absent or present, and may arch over the frontal membrane forming a protective cover. Interzooidal communication by septular pores or through pore-chambers. Avicularia variable in frequency and type: absent in some species, adventitious, interzooecial or vicarious in others. Ovicells range widely from barely detectable caps to prominent hyperstomial types.

This family includes the genera:

1. Acanthobaktron
2. Acanthoporella
3. Acanthoporidra
4. Adenifera
5. Akatopora (now in Family Antroporidae)
6. Alderina
7. Allantocallopora
8. Allantopora
9. Ammatophora
10. Amphiblestrum
11. Antropora (now in Family Antroporidae)
12. Aplousina
13. Aviculamphiblestrum (subgenus of Amphiblestrum)
14. Berthelsenia
15. Biaviculigera
16. Bidenkapia
17. Bonellina
18. Bryocalyx
19. Callistopora
20. Callopora
21. Cauloramphus
22. Clavodesia
23. Concertina
24. Copidozoum
25. Corbulella
26. Cranosina
27. Crassicellepora
28. Crassimarginatella
29. Cymulopora
30. Dactylostega
31. Daisyella
32. Dermatopora
33. Dionella
34. Distelopora
35. Doryporella (now in Family Doryporellidae)
36. Doryporellina (now in Family Doryporellidae)
37. Ellisina
38. Folkeborgia - See Gregarinidra
39. Filiflustrella. See Bactrellaria
40. Filiflustrina
41. Flustrellaria
42. Foveolaria (Now Foveolariidae)
43. Gilbertopora
44. Glenelgia
45. Hapsidopora
46. Hemiseptella
47. Kristerina
48. Kunradocella
49. Lamourouxia
50. Lateroflustrella Now in Antroporidae
51. Leptinatella
52. Marginaria
53. Marssonopora
54. Megapora
55. Membraniporidra
56. Mystriopora
57. Odontionella
58. Ogivalina
59. Onychoblestrum
60. Ornatella
61. Pachybaktropora
62. Parantropora (now in Family Antroporidae)
63. Parellisina
64. Periporosella
65. Pithodella
66. Planicellaria
67. Pseudoallantopora
68. Pyriflustrina
69. Pyriporella
70. Pyriporoides
71. Ramphonotus
72. Reptoflustrella
73. Reptoporina
74. Retevirgula
75. Semiflustrella
76. Semiflustrina
77. Septentriopora
78. Setosinella
79. Solenophragma
80. Stamenocella
81. Tegella
82. Treptopora
83. Tylopora
84. Tyloporella
85. Unidistelopora
86. Valdemunitella
87. Wilbertopora
88. Xylochotridens

This large diverse grouping almost certainly needs further subdivision.

Acanthoporidra angusta (thanks to Dennis Gordon, NIWA)	Adenifera armata	Cauloramphus magnus (Andrew Grischenko photo)	Corbulella corbula
Corbulella gibba	Crassicellepora voigti (thanks to Dennis Gordon, NIWA)	Crassimarginatella papulifera	Crassimarginatella sculpta
Crassimarginatella similis	Dactylostega prima (thanks to Dennis Gordon, NIWA)	Daisyella circularis (thanks to Dennis Gordon, NIWA)	Ellisina sericea
Onychoblestrum propinquum	Leptinatella gordoni (thanks to Dennis Gordon, NIWA)	Membraniporidra porrecta (thanks to Dennis Gordon, NIWA)	Onychoblestrum hastingsae (thanks to Dennis Gordon, NIWA)
Parellisina falcata	Periporosella tantilla (Thanks to Dr Paul Taylor)	Pithodella cincta (Thanks to Dr Paul Taylor)	Pyriporella ameghinoi (thanks to Paul Taylor and Dennis Gordon.)
Retevirgula caribbea	Retevirgula sejuncta	Setosinella prolifica (thanks to Dennis Gordon, NIWA)	Tegella arctica
Tegella japonica (Andrew Grischenko photo)	Valdemunitella pyrula

Alderina page at NMITA
Amphiblestrum page at NMITA
Callopora page at NMITA
Cauloramphus page at NMITA
Copidozoum page at NMITA
Crassimarginatella page at NMITA
Parellisina page at NMITA
Retevirgula page at NMITA

Callopora craticula from Svalbard (SEM by Piotr Kuklinski.)