Early giant reveals faster evolution of large body size in ichthyosaurs than in cetaceans
Author
Sander, P. Martin
Author
Griebeler, Eva Maria
Author
Klein, Nicole
Author
Juarbe, Jorge Velez
Author
Wintrich, Tanja
Author
Revell, Liam J.
Author
Schmitz, Lars
text
Science
2021
New York, N. Y.
2021-12-24
374
6575
1
15
http://dx.doi.org/10.1126/science.abf5787
journal article
10.1126/science.abf5787
cf6c12db-754f-4139-acab-eb6ce69ef0a4
5805321
Cymbospondylus
Leidy, 1868
(
14
)
Type species
Cymbospondylus piscosus
Leidy, 1868
(
14
)
Referred species
Cymbospondylus petrinus
Leidy, 1868
(
14
);
Cymbospondylus buchseri
(
15
);
Cymbospondylus nichollsi
(
16
);
*Corresponding author. Email: martin.sander@uni-bonn.de (P.M.S.); em.griebeler@uni-mainz.de (E.M.G.); lschmitz@kecksci.claremont.edu (L.S.)
Cymbospondylus duelferi
(
17
);
Cymbospondylus youngorum
sp. nov.
Fig. 1. Conceptual approach of our integrated study.
We combine traditional paleontology with computational trait evolution and energy-flux modeling to study macroevolutionary patterns of body size evolution in marine amniotes.
Genus diagnosis
For a recent detailed diagnosis of the genus, see (
17
). In addition, the results of the phylogenetic analysis in this study offer an apomorphy-based diagnosis.