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Record W2065659528 · doi:10.1111/pala.12089

Katian (<scp>U</scp>pper <scp>O</scp>rdovician) conodonts from <scp>W</scp>ales

2013· article· en· W2065659528 on OpenAlex
Annalisa Ferretti, Stig M. Bergström, Christopher R. Barnes

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.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.
fundA Canadian funder is recorded on the work.

Bibliographic record

VenuePalaeontology · 2013
Typearticle
Languageen
FieldEarth and Planetary Sciences
TopicPaleontology and Stratigraphy of Fossils
Canadian institutionsUniversity of Victoria
FundersNatural Sciences and Engineering Research Council of Canada
KeywordsConodontTaxonFaunaPaleontologyStage (stratigraphy)GeologyFaciesBiologyEcology

Abstract

fetched live from OpenAlex

Abstract Middle and upper K atian conodonts were previously known in the B ritish I sles from relatively small collections obtained from a few localities. The present study is mainly based on 17 samples containing more than 17 000 conodont elements from an approximately 14‐m‐thick succession of the S holeshook L imestone F ormation in a road cut near W hitland, S outh W ales, that yielded a diverse fauna of more than 40 taxa. It is dominated by representatives of A morphognathus , A phelognathus/ P lectodina and E ocarniodus along with several coniform taxa. Representatives of D ecoriconus , I storinus and S agittodontina are reported from the O rdovician of UK for the first time. The fauna is a typical representative of the B ritish P rovince of the A tlantic R ealm and includes a mixture of taxa of N orth A merican, B altoscandic and M editerranean affinities along with pandemic species. Based on the presence of many elements of A morphognathus ordovicicus and some morphologically advanced specimens of A morphognathus superbus , the S holeshook L imestone F ormation is referred to the lower A . ordovicicus Z one. Most of the unit is also coeval with Z one 2 of the C autleyan S tage in the B ritish regional stage classification, and stage slice K a3 of the middle K atian S tage in the global stratigraphical classification, an age assignment consistent with data from trilobites, graptolites and chitinozoans. The unusually large collection of M elements of A morphognathus provides insight into the complex morphological variation in this element of some K atian species of this genus. The S holeshook conodont fauna is similar to those of the C rûg and B irdshill limestones, but differs in several respects from the slightly older ones from the C aradocian type area in the W elsh B orderland. Although having some species in common, the S holeshook conodont fauna clearly differs from coeval B altoscandic faunas and is even more different in composition compared with equivalent N orth A merican M idcontinent faunas.

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)0.001
metaresearch head score (Gemma)0.002
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesMeta-epidemiology (narrow), Insufficient payload (model declined to judge)
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Observational · Consensus signal: Observational
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.282
Threshold uncertainty score0.999

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.002
Meta-epidemiology (narrow)0.0010.001
Meta-epidemiology (broad)0.0010.000
Bibliometrics0.0000.000
Science and technology studies0.0010.001
Scholarly communication0.0000.001
Open science0.0010.000
Research integrity0.0010.001
Insufficient payload (model declined to judge)0.0010.004

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 head0.015
GPT teacher head0.215
Teacher spread0.199 · 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