Plagioeciidae Canu, 1918

According to Taylor (1993), this is synonymous with the Diastoporidae, used in other accounts. Taylor prefers the Plagioeciidae, stating that "the name Diastoporidae is best avoided because of its common usage for tubuliporines lacking brooding zooids." While this emphasises the need for revision of many (most) cyclostomes, the Diastoporidae appears to be still available for genera which may be related to the type species of Diastopora, D. foliacea.

However, this is not an appropriate place to suggest changes to current systematic practice. The genera in the list below are most of those included in either of these families in past accounts - except for Diastopora and Berenicea , which is not recognisable. There are some problematic genera in this list, which should be separated into the group of "unattached" genera until they are better known (if ever).

Note: 18 October 2001. Taylor & Gordon (2001) have redescribed Liripora, assigning the genus to the Diastoporidae, also including Mesenteripora and Desmeplagioecia in that family.

Note: 30 January 2007. Taylor & McKinney (2006) included the genus Mesenteripora in the family Plagioeciidae.

Note: 19 October 2010. Gordon & Taylor (2010) observe that the family Plagioeciidae is in a major clade with the Disporellidae and Lichenoporidae, while a second major clade includes genera such as Cardioecia, Diplosolen, Frondipora, Entalophoroecia and the Horneridae. The type species of Diaperoecia is a fossil form that seems to be closer to this second clade. The families Plagioeciidae and Diaperoeciidae are therefore kept distinct. The current view is that Liripora and Desmeplagioecia are best placed in the Plagioeciidae.

This family includes the genera

  1. Bidiastopora. See Multisparsa
  2. Cardioecia
  3. Cavaria
  4. Ceata
  5. Circibipora
  6. Desmatelesia
  7. Desmeplagioecia
  8. Diastoporina (Family?)
  9. Diplosolen
  10. Entalophoroecia. Now in Annectocymidae
  11. Eurystrotos. (Now =Oncousoecia in part)
  12. Favosipora. (Family Densiporidae)
  13. Flabellotrypa. (Family uncertain)
  14. Hyporosopora
  15. Laterotubigera. See Entalophora
  16. Lekythionia
  17. Liripora
  18. Mesenteripora
  19. Mesonopora
  20. Microecia
  21. Microeciella. Now in the Oncousoeciidae
  22. Neuquenopora
  23. Notoplagioecia. See Cardioecia
  24. Perfodiastopora
  25. Plagioecia
  26. Poroplagioecia
  27. Retelea
  28. Reticrisina
  29. Reticulipora
  30. Rhipidopora
  31. Rosacilla
  32. Semifascipora
  33. Semilaterotubigera
  34. Serpentipora
  35. Stathmepora
  36. Terebellaria
  37. Triplozooecia
  38. Tubigera. See Canalipora
  39. Tubigerina
  40. Wassypora
  41. Zagorsekia
* * Zagorsekia nodulosa
Eurystrotos compacta (?) Plagioecia sarniensis Zagorsekia nodulosa
(Thanks to D.P. Gordon, NIWA)

Bidiastopora page at d'Orbigny Home Page, Natural History Museum.

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Edited by Phil Bock
Modified on 20/10/2016
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