Geodia hirsuta
species of sponge

Geodia hirsuta is a species of sponge in the family Geodiidae. The species is found in the waters of Indonesia and was first described by Sollas in 1886 as Cydonium hirsutum.
References
"Geodia hirsuta (Sollas, 1886)". World Register of Marine Species. Retrieved 9 December 2017.
The public source identifies “Geodia hirsuta” as species of sponge. This brief keeps that definition visible, then builds a research path around Geodia, hirsuta and species.
Why this record matters
A short description can identify a subject without explaining its stakes. For “Geodia hirsuta”, the useful work is to connect “species of sponge” to the records capable of establishing context and consequence.
The date and method of observation matter as much as the stated conclusion, especially where classification or consensus has changed. The source revision retrieved here is dated Mar 8, 2021. The linked authority identifier is Q2209660. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1886 and 2017.
Current terminology should not be projected backward without checking the classification used when the underlying evidence was created. 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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Check terminology, classification and the date of the cited evidence. Scientific names and technical consensus can change while older records retain historical value.
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Primary datasets, specimen catalogues, standards bodies and the most recent peer-reviewed literature.
Three-step research path
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Questions for further research
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This entry incorporates text from “Geodia hirsuta” 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.