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A new species of the diving bird Baptornis (Ornithurae: Hesperornithiformes) from the lower Pierre Shale Group (Upper Cretaceous) of southwestern South Dakota

https://doi.org/10.1130/2007.2427(17)
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6/6 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.

9 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 6 checked references that resolve
resolves10.1007/BF03041591
Neogaeornis wetzeli n. g. n. sp. der erste Kreidevogel der südlichen Hemisphäre
resolves10.2475/ajs.s3-14.79.85
Characters of the Odontornithes, with notice of a new allied genus
resolves10.2307/3627850
A New Hesperornithid and the Relationships of the Mesozoic Birds
resolves10.5479/si.00810266.27.35
The Skeleton of <i>Baptornis advenus</i> (Aves: Hesperornithiformes)
resolves10.1080/02724634.1997.10010961
Early Late Cretaceous birds from Saskatchewan, Canada: the oldest diverse avifauna known from North America
resolves10.2307/3627614
Revival of Interest in the Toothed Birds of Kansas
The 9 references without a DOI — listed, not checked
no DOI — not checkedi978-0-8137-2427-0-427-0-227-Brodkorb1
no DOI — not checkedi978-0-8137-2427-0-427-0-227-Green1
no DOI — not checkedi978-0-8137-2427-0-427-0-227-Hattin1
no DOI — not checkedi978-0-8137-2427-0-427-0-227-Martin1
no DOI — not checkedi978-0-8137-2427-0-427-0-227-Martin3
no DOI — not checkedi978-0-8137-2427-0-427-0-227-Martin4
no DOI — not checkedi978-0-8137-2427-0-427-0-227-Martin9
no DOI — not checkedi978-0-8137-2427-0-427-0-227-Olson1
no DOI — not checkedi978-0-8137-2427-0-427-0-227-Tokaryk1
What this badge says. CiteStamped means the CHECKABLE references of this work were clean at the dated check: each resolved to a known work in a public registry, and none carried a publisher retraction notice at that time. It says nothing about the quality, findings, or importance of the work itself, and nothing about references deposited without a DOI.

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