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Tyrannasorus rex

extinct species of beetle

Specimen drawers, botanical folios and brass scientific instruments under study light
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Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionApr 8, 2026
Entity authorityQ2338326 ↗
Source-derived summary

Tyrannasorus rex is an extinct species of hybosorid beetle and the sole member of the genus Tyrannasorus. The species is known from a single, presumably female fossil specimen found in the Dominican Republic. The specimen was trapped in the amber resin of Hymenaea protera, a species of tree which is also now extinct. The most recent studies date Dominican amber to the Miocene epoch (15 to 20 million years ago). T. rex is broadly similar to modern-day hybosorids of genera Apalonychus and Coilodes, sharing their reddish-brown color and a rounded shape. The specimen is deposited at the American Museum of Natural History, New York. The name of the species is a word play on the Tyrannosaurus rex, another, much larger extinct species.

Taxonomy

Tyrannasorus rex is a species of hybosorid beetle from the subfamily Hybosorinae. It is the sole species of the genus Tyrannasorus. The species and the genus were described in 2001 by the entomologists Brett C. Ratcliffe and Federico Carlos Ocampo.

Editorial summary

Begin with the source’s own compact description: “Tyrannasorus rex” is extinct species of beetle. The dossier treats that line as a proposition to test through Tyrannasorus, extinct and species, not as a finished interpretation.

Editorial reviewA practical orientation to terminology and classification, particularly when read beside dated observations, specimens or technical literature. The current lead gives the account dated anchors—2001—that can be checked directly. The selected authority fields contribute no independent date. For this dossier, Tyrannasorus, extinct and species is the immediate research focus.
Editorial analysis

Why this record matters

The phrase “extinct species of beetle” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.

Evidence profile

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 Apr 8, 2026. The linked authority identifier is Q2338326. None of the 0 selected statements returned an explicit reference. The first chronological checks are 2001.

Critical limits

A general summary may omit uncertainty, sample limits or methodological disagreement that is explicit in the technical record. 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.

How to read it

Check terminology, classification and the date of the cited evidence. Scientific names and technical consensus can change while older records retain historical value.

Best used for
  • Current terminology
  • Classification context
  • Finding cited technical literature
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Primary datasets, specimen catalogues, standards bodies and the most recent peer-reviewed literature.

Three-step research path

  1. Establish the record: confirm the title “Tyrannasorus rex”, its source revision and the description used here.
  2. Expand the search: follow Tyrannasorus rex primary sources, Tyrannasorus rex archive and Tyrannasorus research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “Tyrannasorus rex”?
  2. Is the terminology current, historical or disputed?
  3. Which observation, specimen, dataset or publication supports the account?
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Source & attribution

This entry incorporates text from “Tyrannasorus rex” 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.