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Science 3 May 1996:
Vol. 272. no. 5262, pp. 712 - 714
DOI: 10.1126/science.272.5262.712
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Reports
Juvenile Skeletal Structure and the Reproductive Habits of
Dinosaurs
Nicholas R. Geist
and
Terry D. Jones
Skeletal ontogeny in extant archosaurians (crocodilians and birds)
indicates that the morphology of the perinatal pelvic girdle is an
indicator of overall developmental maturity [that is, altriciality
(nestbound) versus precociality (mobile and relatively independent)].
Comparison of the skeletal anatomy of perinatal extant archosaurians
and perinatal dinosaurs suggests that known dinosaur hatchlings
were precocial. These data are consistent with the overall similarity
in nesting behavior of dinosaurs and modern crocodilians.
Department of Zoology, Oregon State University, Corvallis, OR
97331, USA.
THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
- Comparison of water vapor conductance in a titanosaur egg from the Upper Cretaceous of Argentina and a Megaloolithus siruguei egg from Spain.
- F. D. Jackson, D. J. Varricchio, R. A. Jackson, B. Vila, and L. M. Chiappe (2008)
Paleobiology
34, 229-246
| Abstract »
| Full Text »
| PDF »
- Super sizing the giants: first cartilage preservation at a sauropod dinosaur limb joint.
- D. Schwarz, O. Wings, and C. A. Meyer (2007)
Journal of the Geological Society
164, 61-65
| Abstract »
| Full Text »
| PDF »
- Comparative osteohistology of some embryonic and perinatal archosaurs: developmental and behavioral implications for dinosaurs.
- (2001)
Paleobiology
27, 39-58
