Orthrus (spider)
genus of spiders

Orthrus is a genus of Southeast Asian jumping spiders that was first described by Eugène Louis Simon in 1900. The name is derived from a two-headed dog in Greek mythology.
Species
As of August 2019 it contains four species, found only in Indonesia and the Philippines:
Orthrus bicolor Simon, 1900 (type) – Philippines
Orthrus calilungae Barrion, 1998 – Philippines
Orthrus muluensis Wanless, 1980 – Borneo
Orthrus palawanensis Wanless, 1980 – Philippines
References
External links
Photograph of Orthrus sp.
“Orthrus (spider)” enters the record as genus of spiders. Crown Archives preserves that source wording while asking what Orthrus, spider and genus can confirm, complicate or overturn.
Why this record matters
“Orthrus (spider)” is worth following because a concise public description often conceals a longer documentary argument. Here, Orthrus, spider and genus provides the most credible route into that argument.
Stable identifiers, scientific names and standards terminology offer the best bridge between this overview and specialist evidence. The source revision retrieved here is dated Mar 27, 2026. The linked authority identifier is Q248704. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1900, 2019, 1998 and 1980.
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This entry incorporates text from “Orthrus (spider)” 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.