Gomphocopris ashworthi gen. et sp. nov. (Coleoptera, Scarabaeinae, Homocoprini): An additional new Chilean fossil genus and species extinct at the Pleistocene-Holocene boundary
Why this work is in the frame
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Bibliographic record
Abstract
Based on male and female fossil beetle remains recorded in the Pilauco deposits (northern Chilean Patagonia), a new and extinct dung beetle genus and species from an upper Pleistocene sequence (16.4 to 12.8 kyr BP) namely, Gomphocopris ashworthi gen. et sp. nov. (Coleoptera, Scarabaeidae, Homocoprini) is described and illustrated. The morphological analysis of these fossil remains suggest that this extinct genus and species are placed into the tribe Homocoprini due to presence of supplementary carina in the lateral area in the pronotum. Moreover, this new taxon is separated from the extant Homocoprini species by the absence hypomeral carina (well developed in all extant species); cephalic horn in males with a distinct posterior projection apically (absent in the extant species), and the unique shapes and disposition of the pronotal lobes in major male and female. We suggest that this dung beetle genus and species became extinct in the late Pleistocene to early Holocene as a consequence of the drastic environmental changes, and the extinction of most of the large mammals, which were the organisms that provided feces for the development of their larvae.
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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 | 0.001 | 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 | 0.001 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.038 | 0.001 |
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