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Tutusius

genus of extinct tetrapod from the Devonian of South Africa

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Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionMar 31, 2025
Entity authorityQ87764601
Source-derived summary

Tutusius is a genus of extinct tetrapod from the Devonian of South Africa, containing a single species, Tutusius umlambo. It was described from the +/- 360 myo Gondwana locality of Waterloo Farm lagerstätte on the south-eastern coast of South Africa, which at the time was located within the Antarctic Circle. Together with the find of Umzantsia amazana from the same locality, this provides the first evidence that Devonian tetrapods were not restricted to the tropics as was formerly believed, and suggests that they may have been global in distribution. Waterloo Farm fossils have been metamorphosed and intensely flattened, with the bone tissue replaced by secondary metamorphic mica that is partially altered to kaolinite and chlorite during uplift. They also provide the first evidence of Devonian tetrapods from the continent of Africa, and only the second and third such taxa from Gondwana.

Taxonomy

Tutusius umlambo is known from a single cleithrum (a bone of the shoulder girdle) discovered at the Waterloo Farm lagerstätte, South Africa. It was described in 2018 by palaeontologists Robert Gess and Per Erik Ahlberg in 2018. The generic name is in honour of Archbishop Desmond Tutu, in recognition of his contribution to the political and social development of South Africa. The specific name is from isiXhosa “umlambo”, meaning “river”, referring to the depositional environment. The lagerstätte dates to the Late Devonian roughly 360 million years ago.

Editorial summary

“Tutusius” enters the record as genus of extinct tetrapod from the Devonian of South Africa. Crown Archives preserves that source wording while asking what Tutusius, genus and extinct can confirm, complicate or overturn.

Editorial reviewA sound reference starting point where classification, measurement and the date of the underlying evidence remain visible. The current lead gives the account dated anchors—2018—that can be checked directly. The selected authority fields contribute no independent date. Its strongest next move is a source search built around Tutusius, genus and extinct.
Editorial analysis

Why this record matters

“Tutusius” is worth following because a concise public description often conceals a longer documentary argument. Here, Tutusius, genus and extinct provides the most credible route into that argument.

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 Mar 31, 2025. The linked authority identifier is Q87764601. The first chronological checks are 2018.

Critical limits

Scientific names, classifications and consensus can change while older terminology persists in catalogues and historical literature. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

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Questions for further research

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Source & attribution

This entry incorporates text from Tutusius” 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.