WebSafe 3.7pubmed.ncbi.nlm.nih.gov
|
|
🏠
Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation
. 2023 Jan 12;6(1):32.
doi: 10.1038/s42003-022-04383-9.

Proposed Early Cambrian cephalopods are chimaeras, the oldest known cephalopods are 30 m.y. younger

Ed Landing  1 , Björn Kröger  2 , Stephen R Westrop  3 , Gerd Geyer  4
Affiliations

Proposed Early Cambrian cephalopods are chimaeras, the oldest known cephalopods are 30 m.y. younger

Ed Landing et al. Commun Biol. .
No abstract available

PubMed Disclaimer

Conflict of interest statement

The authors declare no competing interests.

Figures

Fig. 1
Fig. 1. Stratigraphy of Avalonian SE Newfoundland.
Terminal Edicaran–Lower Ordovician trans-Avalonian depositional sequences 1–10 in Burin Peninsula (marginal platform) and on east–west transect through Trinity–Conception bays (inner platform)–. Compare figure with Landing and Kröger, fig. 2 (i.e., revised geochrology and sequence stratigraphy with post-Chesley Drive unconformity, shortened Dep. Seq. 10, diachronous onlap of Dep. Seq. 3 on inner platform, and reinterpreted basement geology). Dates from Landing et al.,. Bk. Brook, Cham. Chamberlain’s, D. depositional, Fm. formation, Gp. group, *LO lowest occurrences of trilobites discussed by Landing et al., Mbr member, M middle, O Ordovician, seq sequence, W.C.C. West Centre Cove.
See this image and copyright information in PMC

References

    1. Hildenbrand, A., Austermann, G., Fuchs, D., Bengtson, P. & Stinnesbeck, W. A potential cephalopod from the Early Cambrian of eastern Newfoundland, Canada. Commun. Biol. 10.1038/s42003-021-01885-w (2021). - PMC - PubMed
    1. Kröger B, Vinther J, Fuchs D. Cephalopod origin and evolution: a congruent picture emerging from fossils, development and molecules. Bioessays. 2011;33:602–613. doi: 10.1002/bies.201100001. - DOI - PubMed
    1. Teichert, C. & Moore, R. C. in Treatise on invertebrate paleontology. Part K, Mollusca 3, Cephalopoda—General Features, Endoceratoida–Actinoceratoidea–Nautiloidea–Bactritoidea. (ed. Moore, R. C.) xxviii + 519 pp. (Geological Society of America and University of Kansas Press, 1964).
    1. Landing E, Kröger B. The oldest cephalopods from east Laurentia. Jour. Paleontol. 2009;83:89–93.
    1. Pohle A, et al. Early cephalopod evolution clarified through Bayesian phylogenetic inference. BMC Biol. 2022;20:88. doi: 10.1186/s12915-022-01284-5. - DOI - PMC - PubMed