Bibliographic record
Abstract
The Chancelloriids were recovered from dark grey thin-bedded micrites and bioclastic micrites of the upper Middle Cambrian Huaqiao Formation at the Paibi section in Huayuan County,Hunan Province,China.About 40 samples with diverse sclerites have been identified,including Chancelloria altaica with 6-7+1 ray patterns,Archiasterlla sp.with 4+0 ray patterns and Allonnia sp.with 3+0 ray patterns as well as Chancelloria sp.with peculiar sclerite patterns.In addition to chancelloriids,these chancelloriid-bearing rocks,yield abundant and diverse trilobites,conodonts,hyolithids,hyolithellids,brachiopods,sponge spicules and ornamented tubular fossils.Compared with the materials reported from the Cambrian of Australia,Northwestern Canada,Western Argentina,West Africa and Iran etc.,it is indicated that the Hunan assemblage is the latest records of Middle Cambrian chancelloriids in China and is one of a few higher horizons of occurrence of chancelloriids recovered in the world.Based on analysis of sclerite structure,preservation and the stratigraphic distributions of chancelloriids,the authors support the opinion that the chancelloriid may belong to a group of extinct metazoans which is closer to Porifera,in the systematic phylogenetic position.It probably represents a sessile animal which adapted to shallow sea environments.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.003 | 0.002 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.001 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 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 source (direct Gemma or distilled Codex), 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".