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Life-forms

Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Parazoa
Phylum: Porifera
Classis: Calcarea
Subclassis: Calcaronea
Ordines (3 + †1): Baeriida - Leucosoleniida - Lithonida – †Stellispongiida

Name

Calcaronea Bidder, 1898: 73
References
Primary references

Bidder, G.P. 1898. The Skeleton and Classification of Calcareous Sponges. Proceedings of the Royal Society of London 64: 61–76. BHL Reference page.

Additional references

Borojevic, R., Boury-Esnault, N. & Vacelet, J. 2000. A revision of the supraspecific classification of the subclass Calcaronea (Porifera, class Calcarea). Zoosystema 22(2): 203–263. Abstract and full article (PDF). Reference page.
Manuel, M., Borojevic, R., Boury-Esnault, N. & Vacelet, J. 2002. Class Calcarea Bowerbank, 1864. Pp. 1103–1110 in Hooper, J.N.A. & van Soest, R.W.M. (eds.). Systema Porifera. Guide to the classification of sponges. 2 volumes. Kluwer Academic/Plenum Publishers: New York, Boston, Dordrecht, London, Moscow. ISBN 978-0-306-47260-2 Reference page.
Finks, R.M., Reid, R.E.H. & Rigby, J.K. 2004. Porifera (Demospongea, Hexactinellida, Heteractinida, Calcarea). Treatise on Invertebrate Paleontology, Part E (Revised), Volume 3. Geological Society of America, 872pp. ISBN 9780813731315 Full text Reference page.
Voigt, O., Wülfing, E. & Wörheide, G. 2012. Molecular Phylogenetic Evaluation of Classification and Scenarios of Character Evolution in Calcareous Sponges (Porifera, Class Calcarea). PLoS ONE 7(3): e33417. DOI: 10.1371/journal.pone.0033417 Open access Reference page.

Links

Calcaronea in the World Register of Marine Species

Vernacular names
中文: 钙质海绵亚纲

Calcaronea is a subclass of sea sponges in the class Calcarea. They are Calcarea with the triactines and the basal system of tetractines sagittal (i.e. the rays of the spicule make unequal angles with each other), exceptionally regular. In ontogeny the first spicules to be secreted are diactines. Choanocytes are apinucleate. Calcaronea have amphiblastula larvae

Biology Encyclopedia

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