First occurrence of the duck-billed dinosaur tribe Lambeosaurini (Hadrosauridae: Lambeosaurinae) in South China
Why this work is in the frame
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Bibliographic record
Abstract
Late Cretaceous Laurasia contained a typical dinosaur fauna consisting of herbivorous hadrosaurids, ceratopsians, and carnivorous tyrannosauroids. Previously, tyrannosauroid teeth have been found in the Upper Cretaceous Dalangshan Formation of Sihui City, China. We describe a fragmentary skeleton of a duck-billed dinosaur from the same general region. The skeleton includes dorsal and caudal vertebrae, a humerus, ilium, femur and tibia. Morphological comparison and cladistic analyses support that this specimen belongs to the tribe Lambeosaurini, which is otherwise poorly represented in China. The new specimens and the previously discovered tyrannosauroid teeth represent the dominant taxa of the typical Late Cretaceous dinosaur fauna of Laurasia.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it