Reference health
Previously Unrecognized Ornithuromorph Bird Diversity in the Early Cretaceous Changma Basin, Gansu Province, Northwestern China
21/21 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.
22 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 21 checked references that resolve
resolves10.1126/science.1126377
A Nearly Modern Amphibious Bird from the Early Cretaceous of Northwestern China
resolves10.4202/app.2009.0095
A Second Cretaceous Ornithuromorph Bird from the Changma Basin, Gansu Province, Northwestern China
resolves10.1111/j.1096-3642.2010.00671.x
A new, three-dimensionally preserved enantiornithine bird (Aves: Ornithothoraces) from Gansu Province, north-western China
resolves10.1080/08912960500284851
A new fossil bird from the Early Cretaceous of Gansu Province, northwestern China
resolves10.1139/e06-007
A second enantiornithean (Aves: Ornithothoraces) wing from the Early Cretaceous Xiagou Formation near Changma, Gansu Province, People's Republic of China
resolves10.1080/02724634.2012.714431
Anatomy of the basal ornithuromorph bird<i>Archaeorhynchus spathula</i>from the Early Cretaceous of Liaoning, China
resolves10.1007/BF03184320
Two new ornithurine birds from the Early Cretaceous of western Liaoning, China
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>
resolves10.1080/02724631003617498
A new ornithuromorph (Aves: Ornithothoraces) bird from the Jehol Group indicative of higher-level diversity
resolves10.1206/0003-0082(2002)387<0001:TMAPPO>2.0.CO;2
The Morphology and Phylogenetic Position of Apsaravis ukhaana from the Late Cretaceous of Mongolia
resolves10.1073/pnas.0507106102
Discovery of an ornithurine bird and its implication for Early Cretaceous avian radiation
resolves10.1206/0003-0090(2004)286<0001:MPTASO>2.0.CO;2
MORPHOLOGY, PHYLOGENETIC TAXONOMY, AND SYSTEMATICS OF ICHTHYORNIS AND APATORNIS (AVIALAE: ORNITHURAE)
resolves10.1111/j.1463-6409.2006.00234.x
A beaked basal ornithurine bird (Aves, Ornithurae) from the Lower Cretaceous of China
resolves10.1016/j.jsames.2008.09.003
Fossil birds from the Late Cretaceous Los Alamitos Formation, Río Negro Province, Argentina
resolves10.1080/02724634.2009.10010371
Phylogenetic support for a specialized clade of Cretaceous enantiornithine birds with information from a new species
resolves10.1671/039.029.0210
Anatomy of the Early Cretaceous bird <i>Rapaxavis pani</i>, a new species from Liaoning Province, China
resolves10.1111/jeb.12036
Locomotory abilities and habitat of the <scp>C</scp>retaceous bird <i><scp>G</scp>ansus yumenensis</i> inferred from limb length proportions
resolves10.1007/s00114-004-0567-z
Gastroliths in Yanornis: an indication of the earliest radical diet-switching and gizzard plasticity in the lineage leading to living birds?
The 22 references without a DOI — listed, not checked
no DOI — not checkedA new fossil bird from Lower Cretaceous of Gansu and early evolution of birds
no DOI — not checkedWebbed foot of an Early Cretaceous ornithurine bird <italic>Gansus</italic> from China
no DOI — not checkedNew material of <italic>Gansus</italic> and a discussion on its habit
no DOI — not checkedExceptionally-preserved Enantiornithes (Aves: Ornithothoraces) from the Early Cretaceous of northwestern China
no DOI — not checkedOsteologia
no DOI — not checkedA redescription of <italic>Chaoyangia</italic> <italic>beishanensis</italic> (Aves) and a comprehensive phylogeny of Mesozoic birds
no DOI — not checkedStable isotope chemostratigraphy in lacustrine strata of the Xiagou Formation, Gansu Province, NW China
no DOI — not checkedSystems Naturae
no DOI — not checkedBasal bird phylogeny problems and solutions
no DOI — not checkedThe phylogenetic position of the Cretaceous birds of Argentina: Enantiornithes and <italic>Patagopteryx</italic> <italic>deferrariisi</italic>
no DOI — not checkedA new basal ornithurine bird (<italic>Jianchangornis</italic> <italic>microdonta</italic> gen. et sp. nov.) from the lower Cretaceous of China
no DOI — not checkedMesozoic Birds of China
no DOI — not checkedNew order of birds from the Lower Cretaceous in Mongolia
no DOI — not checkedA systematic review of Enantiornithes (Aves:Ornithothoraces)
no DOI — not checkedPre-modern birds: avian divergences in the Mesozoic
no DOI — not checked<italic>Archaeoraptor</italic>'s better half: the other component of this infamous fossil forgery is identified as a fish-eating bird
no DOI — not checkedA new toothless ornithurine bird (<italic>Schizooura</italic> <italic>lii</italic> gen. et sp. nov.) from the Lower Cretaceous of China
no DOI — not checkedNew enantiornithine bird (Aves, Ornithothoraces) from the Late Cretaceous of NW Argentina
no DOI — not checkedMass estimate and evolutionary trend in Chinese Mesozoic fossil birds
no DOI — not checkedHindlimb bone proportions of Chinese Mesozoic birds and their implications for perching habits
no DOI — not checkedEcomorphy of avian and nonavian theropod phalangeal proportions: implications for the arboreal versus terrestrial origin of bird flight
no DOI — not checkedThe origin of birds and of avian flight
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