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Record W6930479592 · doi:10.5281/zenodo.15150567

Charactoceras undefined-A Strand 1934

2025· article· en· W6930479592 on OpenAlex

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

aboutThe title or abstract carries a Canadian signal from the geographic lexicon.
no affNo Canadian affiliation: this work is invisible to an affiliation-only frame.
No Canadian affiliation. An affiliation-only frame, the usual design, would never have seen this work. It is one of the works that make the case for inverting the frame.

Bibliographic record

VenueZenodo (CERN European Organization for Nuclear Research) · 2025
Typearticle
Languageen
FieldComputer Science
TopicAdvanced Algebra and Logic
Canadian institutionsnot available
Fundersnot available
KeywordsWhorl (mollusc)Aperture (computer memory)Apex (geometry)Shell (structure)Foramen

Abstract

fetched live from OpenAlex

Charactoceras sp. A Fig. 22C, E Material examined ESTONIA • 1 spec.; Vormsi Island, Hosholm shore; Adila Formation, Pirgu Regional Stage; GIT 878- 215. Description The specimen is a fragment of a nearly complete body chamber and one chamber of the phragmocone with a wide, reniform whorl cross section; it is 36 mm high at the aperture and 57 mm wide. At the base of the body chamber, it measures 24 mm in height and 41 mm in width. The body chamber measures ca 90–100° in length. Throughout its entire length, the greatest width of the whorl is reached between mid-flank and dorsum. On the broadly rounded ventral side, a distinct, broad, U-shaped hyponomic sinus is preserved, which has a width of 35 mm and a depth of 20 mm. Around the aperture patches of the outer shell remain, these are smooth, with distinct narrowly and irregularly spaced growth lines. The two septa at the base of the body chamber are 6 mm distant, and a septal foramen located a few millimeters from the venter is apparent, but is not well enough preserved to measure. Remarks This single fragment does not permit species level determination. The position of the siphuncle and the shape of the body chamber, and its aperture show, however, that this specimen is a fragment of a Charactoceras. Its relatively large WWI of 1.71 (see Fig. 22E) distinguishes the specimen from C. estonicum and suggests a comparison with C. hercules (Billings, 1857) from late Katian strata of Anticosti Island, Quebec (e.g., Foerste 1928c). However, with the available material a detailed comparison is impossible as the more apical parts of the phragmocone are not known.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

Full frame distilled prediction

Teacher imitation

Not 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.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesScience and technology studies, Insufficient payload (model declined to judge)
Consensus categoriesInsufficient payload (model declined to judge)
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Not applicable · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: none
Teacher disagreement score0.986
Threshold uncertainty score1.000

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.001
Science and technology studies0.0010.000
Scholarly communication0.0010.000
Open science0.0020.001
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0020.003

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.

Opus teacher head0.026
GPT teacher head0.249
Teacher spread0.224 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it