A Giant <i>Protopaleodictyon</i> from the Middle Cambrian of Western Canada
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Bibliographic record
Abstract
A new ichnospecies of Protopaleodictyon Książkiewicz, 1958 Książkiewicz, M. 1958. Stratigraphy of the Magura Series in the Średni Beskid (carpathians.). Biuletyn Instytutu Geologicznego 153:43–96. [In Polish, with English summary] [Google Scholar], Pr. aitkeni isp. n., is named from material recovered from the mid–Cambrian Stephen–Eldon formation transition in Banff National Park, Alberta, Canada. Specimens occur in convex hyporelief on the sole of a dolomitic lime mudstone bed, and exhibit straight to gently curving strands with a 'zigzag' shape up to 45 cm in length. Strands are fairly regular, with branching angles ranging from 110° to 120°. Branch segments forming the strand are approximately the same length and produce strands with open and occasionally closed hexagonal polygons arranged alternatively along the specimen's axis. Hexagons are 25–40 mm wide and string widths are 5–10 mm. The dimensions of Pr. aitkeni are large compared to other ichnospecies of the ichnogenus and graphoglyptids in general. The host interval is interpreted to have been deposited in a relatively shallow-water environment in the interior of a carbonate platform, contrasting with the deeper siliciclastic settings in which younger examples of the ichnogenus typically occur. This occurrence further supports the hypothesis that graphoglyptid ethology initially developed in shallow shelf environments before shifting into deeper facies over geologic time.
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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 | 0.000 |
| 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) | 0.000 | 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