Geodia bicolor
species of sponge

Geodia bicolor is a species of sponge in the family Geodiidae. It is found in the waters of the Pacific Ocean off the coast of California.
Bibliography
Lendenfeld, R. Von 1910a. The Sponges. 1. The Geodidae. In: Reports on the Scientific Results of the Expedition to the Eastern Tropical Pacific, in charge of Alexander Agassiz, by the U.S. Fish Commission Steamer ‘Albatross’, from October, 1904, to March, 1905, Lieut. Commander L.M. Garrett, U.S.N., Commanding, and of other Expeditions of the Albatross, 1888-1904. (21). Memoirs of the Museum of Comparative Zoology at Harvard College 41 (1): 1-259, pls 1-48.
The public source identifies “Geodia bicolor” as species of sponge. This brief keeps that definition visible, then builds a research path around Geodia, bicolor and species.
Why this record matters
A short description can identify a subject without explaining its stakes. For “Geodia bicolor”, the useful work is to connect “species of sponge” to the records capable of establishing context and consequence.
Datasets, specimens, observations and peer-reviewed methods provide the appropriate test for the technical claims summarized here. The source revision retrieved here is dated Mar 8, 2021. The linked authority identifier is Q19725901. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1904, 1905 and 1888.
Scientific names, classifications and consensus can change while older terminology persists in catalogues and historical literature. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
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This entry incorporates text from “Geodia bicolor” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.