Reference health
A New Enantiornithine Bird from the Lower Cretaceous Jiufotang Formation in Jinzhou Area, Western Liaoning Province, China
16/16 checkable references clean · checked 2026-07-14
Every reference with a DOI in the deposited reference list resolved to a known work in Crossref or DataCite at the dated check, and none carried a publisher retraction, withdrawal, or removal notice.
10 without a DOI — not checked. A reference deposited without a DOI is never matched by title or guessed at; it stays outside the checked set, and this line discloses that.
The 16 checked references that resolve
resolves10.1080/03115519108619028
Cretaceous avian remains from Patagonia shed new light on the early radiation of birds
resolves10.1671/0272-4634(2002)022[0170:NEBFTM]2.0.CO;2
New enantiornithine bird from the marine Upper Cretaceous of Alabama
resolves10.1111/j.1469-7580.2006.00534.x
Insight into the evolution of avian flight from a new clade of Early Cretaceous ornithurines from China and the morphology of <i>Yixianornis grabaui</i>
resolves10.1007/s00114-003-0489-1
New Early Cretaceous fossil from China documents a novel trophic specialization for Mesozoic birds
resolves10.1016/0195-6671(85)90050-3
A true carinate bird from lower Cretaceous deposits in Mongolia and other evidence of early Cretaceous birds in Asia
resolves10.1671/039.029.0210
Anatomy of the Early Cretaceous bird <i>Rapaxavis pani</i>, a new species from Liaoning Province, China
resolves10.1080/02724634.2009.10010371
Phylogenetic support for a specialized clade of Cretaceous enantiornithine birds with information from a new species
resolves10.1038/382442a0
An Early Cretaceous bird from Spain and its implications for the evolution of avian flight
resolves10.1111/j.1755-6724.2010.00156.x
New Species of Enantiornithes (Aves: Ornithothoraces) from the Qiaotou Formation in Northern Hebei, China
resolves10.1139/e04-055
Description of a new enantiornithine bird from the Early Cretaceous of Hebei, northern China
resolves10.1073/pnas.0507106102
Discovery of an ornithurine bird and its implication for Early Cretaceous avian radiation
resolves10.1111/j.1469-7580.2008.00880.x
Insight into diversity, body size and morphological evolution from the largest Early Cretaceous enantiornithine bird
The 10 references without a DOI — listed, not checked
no DOI — not checkedContributions of southern South America to vertebrate paleontology. Munchner Geowissenschaftliche Abhandlungen, Reihe A, Geologie und Palaontologie 30
no DOI — not checkedMesozoic Birds: Above the Heads of Dinosaurs
no DOI — not checkedMesozoic birds: above the heads of dinosaurs
no DOI — not checkedMesozoic birds: above the haeds of dinosaurs
no DOI — not checkedPreliminary note on the palaeognathous bird from the Upper Cretaceous of Mongolia
no DOI — not checkedArchaeopteryx to opposite birds‐missing link from the Mesozoic of China
no DOI — not checkedA new bird from the Early Cretaceous of Las Hoyas, Spain
no DOI — not checkedThe osteology of Concornis lacustris (Aves: Enantiornithes) from the Lower Cretaceous of Spain and a reexamination of its phylogenetic relationships
no DOI — not checkedActa Palaeornithologica, 3 Symposium SAPE; 5 Internationale Senckenbery ‐Konferenz 22–26 Juni 1992
no DOI — not checkedMesozoic birds of China‐A synoptic review
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or importance of the work itself, and nothing about references deposited without a DOI.
checked 2026-07-14 — re-checked daily as this page is visited; titles and statuses come from Crossref and DataCite and are not part of the signed record
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