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Calyx podatypa
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Porifera
Class:	Demospongiae
Order:	Haplosclerida
Family:	Phloeodictyidae
Genus:	Calyx
Species:	C. podatypa
Binomial name
Calyx podatypa (de Laubenfels, 1934)
Synonyms
List Haliclona podatypa de Laubenfels, 1934 Pachypellina podatypa (De Laubenfels, 1934)

Calyx podatypa is a species of sea sponge belonging to the family Phloeodictyidae. It is native to the Caribbean. The species was first described in 1934 by American spongiologist Max Walker de Laubenfels. It is commonly found in shallow reefs, among seagrass and on mangrove roots. It is described as being mostly hollow with growths that range from branched to lobate in shape and tubular projections. It has round openings between 1-5mm in size. The colour is "Brown-yellowish to greenish" on the outside and tan on the inside.

Antimicrobial compounds

A number of biologically active compounds have been isolated from Calyx podatypa including Diketopiperazines and N-methylpyridinium salts with antimicrobial effects.

References

1. "Calyx podatypa (de Laubenfels, 1934)". World Porifera Database. Retrieved 19 October 2016.
2. "Calyx podatypa(de Laubenfels, 1934)". Smithsonian Tropical Research Institute. Retrieved 19 October 2016.
3. Atta-ur-Rahman (2002). Bioactive Natural Products (Part G). Elsevier. p. 64. ISBN 9780080542065.

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