| Heteroscleromorpha | |
|---|---|
| |
| Axinella polypoides | |
Scientific classification 
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| Kingdom: | Animalia |
| Phylum: | Porifera |
| Class: | Demospongiae |
| Subclass: | Heteroscleromorpha Cárdenas, Pérez & Boury-Esnault, 20121 |
| Orders | |
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| Synonyms | |
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List
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Heteroscleromorpha is a subclass of demosponges within the phylum Porifera.23
Heteroscleromorpha has the most taxa of the demosponge subclasses, with an estimated 7500 species.
Its origin can be traced back to the Cambrian period, with the oldest fossil found in Sirius Passet, Greenland. But the true origin of the group may be even older.4
References
References
- Cárdenas, P.; Pérez, T.; Boury-Esnault, N. (2012). Sponge Systematics Facing New Challenges. Advances in Sponge Science: Phylogeny, Systematics, Ecology. 79-209., page(s): 170
- van Soest, R. (2016). Heteroscleromorpha. Accessed through World Register of Marine Species on 2017-02-17.
- Morrow, C. C.; Redmond, N. E.; Picton, B. E.; Thacker, R. W.; Collins, A. G.; Maggs, C. A.; Sigwart, J. D.; Allcock, A. L. (2013-09-01). "Molecular Phylogenies Support Homoplasy of Multiple Morphological Characters Used in the Taxonomy of Heteroscleromorpha (Porifera: Demospongiae)". Integrative and Comparative Biology. 53 (3): 428–446. doi:10.1093/icb/ict065. ISSN 1540-7063. PMC 3744896. PMID 23753661.
- Botting; Cádenas; Peel., José; Paco; John. (October 2014). "A crown-group demosponge from the early Cambrian Sirius Passet Biota, North Greenland". Paleontology. 58 (1) – via Wiley Online Library.
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