A first report of Prolinograptus packhami Rickards and Wright, 1997 from Baltica, Poland
Why this work is in the frame
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Bibliographic record
Abstract
A well-preserved isolated graptolite Prolinograptus packhami Rickards and Wright, 1997, well known from Australia, is described for the first time in Europe. The genus has now been recognized in three continents (Australia, Europe and North America). The Australian P. packhami occurs in the Neocucullograptus inexpectatus/Neocucullograptus kozlowskii biozonal interval, while the form from the Mielnik IG-1 core, Poland, appears earlier, in the Bohemograptus praecornutus Biozone. Prolinograptus, of unclear origin, is one of the least-known genera of the subfamily Linograptinae. P. packhami, along with Neodiversograptus palmeri and Prolinograptus orangensis, form a group of very diminutive specimens, with slender stipes and thecal apertures showing varying degrees of eversion. Scanning electron microscope examination revealed the presence of some micro-ornamentation on the rhabdosome surface of the Polish Prolinograptus, similar to that known in retiolitids (Retiolitidae). Le matériel bien préservé du graptolite isolé Prolinograptus packhami Rickards et Wright, 1997 du forage Mielnik IG-1 (Pologne) représente sa première découverte européenne. Le genre Prolinograptus est connu sur trois continents (Australie, Europe et Amérique du Nord). L’espèce australienne P. packhami est présente dans l’intervalle comprenant les biozones à Neocucullograptus inexpectatus et Neocucullograptus kozlowskii, alors que la forme du forage polonais apparaît dans la biozone à Bohemograptus praecornutus. Prolinograptus, d’origine inconnue, est l’un des genres les moins connus dans la sous-famille des Linograptinae. P. packhami forme, avec Neodiversograptus palmeri et Prolinograptus orangensis, un groupe d’espèces de petite taille, avec des rhabdosomes grêles et des ouvertures des thèques présentant des degrés variables d’éversion. L’examen au microscope à balayage du Prolinograptus polonais a montré la présence d’une micro-ornementation sur la surface du rhabdosome similaire à celle connue chez les rétiolites (Retiolitidae).
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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 | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.004 | 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