Mosasauroids from Gondwanan Continents
Bibliographic record
Abstract
Herein, we present a revision of mosasauroid lizards (basal aigialosaurs derived mosasaurids) from the Upper Cretaceous marine sediments associated with various Gondwanan landmasses. In stratigraphic terms, the Gondwanan fossil record of mosasaurs begins with basal mosasauroids from the carbonate platforms of the Middle East, in modern Israel. This record is followed by a dense Turonian record from Morocco and more rare specimens from the Turonian of Australia and Colombia. There is a substantial gap in the Coniacian and Santonian in Gondwana with only few known taxa, although the Campanian record from New Zealand is good (tylosaurines and mosasaurines), with additional rare specimens from Antarctica. Maastrichtian sediments from around the Gondwanan world are richly populated by a high diversity and density of all major clades of mosasaurid lizards. The mosasaurine Clidastes is currently not recognized from any Gondwanan marine deposit. The geographic and temporal patterns of distribution shown here are crucial for understanding the evolution of aquatic squamates not only in Gondwana but also globally.
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How this classification was reachedexpand
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 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.002 | 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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".