The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.

References

  • Hooper, John N. A., and Rob W. M. van Soest, eds. 2002. Systema Porifera: A Guide to the Classification of Sponges. xlviii + 1708
  • J. J. Sepkoski, Jr. 2002. A compendium of fossil marine animal genera. Bulletins of American Paleontology 363:1-560
  • Sollas, W.J. 1888. Report on the Tetractinellida collected by H.M.S. Challenger, during the years 1873-1876. Report on the Scientific Results of the Voyage of H.M.S. Challenger, 1873-1876. Zoology 25(63): 1-458, pls I-XLIV, 1 map.   http://www.marinespecies.org/porifera/porifera.php?p=sourcedetails&id=8252 External link.
  • Van Soest R, Beglinger E, De Voogd N (2010) Skeletons in confusion: a review of astrophorid sponges with (dicho–)calthrops as structural megascleres (Porifera, Demospongiae, Astrophorida) ZooKeys 68: 1–88   10.3897/zookeys.68.729 External link.
  • van Soest, R.; Boury-Esnault, N. (2013). Calthropella Sollas, 1888. In: Van Soest, R.W.M; Boury-Esnault, N.; Hooper, J.N.A.; Rützler, K.; de Voogd, N.J.; Alvarez de Glasby, B.; Hajdu, E.; Pisera, A.B.; Manconi, R.; Schoenberg, C.; Janussen, D.; Tabachnick, K.R., Klautau, M.; Picton, B.; Kelly, M.; Vacelet, J.; Dohrmann, M.; Cristina Díaz, M. (2013) World Porifera database. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=131987

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