Sink or swim? Bone density as a mechanism for buoyancy control in early cetaceans

Anatomical Record

Volumn 290, Issue 6, 2007, Pages 638-653

  Gray, Noel Marie ^a   Kainec, Kimberly ^a   Madar, Sandra ^a   Tomko, Lucas ^a   Wolfe, Scott ^a  

^a HIRAM COLLEGE   (United States)

Author keywords

Anatomy; Aquatic; Archaeocete; Bone; Cetacean; Fossil; Histology; Microstructure; Osteopetrosis; Osteoporosis; Osteosclerosis; Pachyo steosclerosis; Rib; Whale

Indexed keywords

ADAPTATION; ARTICLE; BODY EQUILIBRIUM; BONE DENSITY; CETACEA; COMPARATIVE ANATOMY; COW; DATA ANALYSIS; DEER; DOG; EVOLUTION; FOSSIL; HISTOLOGY; HYPEROSTOSIS; MAMMAL; NONHUMAN; OSSIFICATION; OSTEOPOROSIS; PALEONTOLOGY; PRIORITY JOURNAL; SIRENIA; SWIMMING; TAXONOMY; ULTRASTRUCTURE; WHALE;

ADAPTATION, PHYSIOLOGICAL; ANIMALS; BONE AND BONES; BONE DENSITY; CETACEA; EVOLUTION; PALEONTOLOGY; SWIMMING;

ANIMALIA; BASILOSAURIDAE; CANIS; CANIS FAMILIARIS; CERVIDAE; CETACEA; DELPHINUS; ENHYDRA; EQUIDAE; EQUUS; HEXAPROTODON; LUTRA; LUTRA CANADENSIS; MAMMALIA; ODOCOILEUS; PAKICETIDAE; PROTOCETIDAE; TETRAPODA; TRICHECHUS;

EID: 34250685864     PISSN: 19328486     EISSN: 19328494     Source Type: Journal    
DOI: 10.1002/ar.20533     Document Type: Article

References (22)

1. Bajpai S, Thewissen JGM. 1998. Middle Eocene cetaceans from the Harudi and Subathu formations of India. In: Thewissen JGM, editor. The emergence of whales. New York: Plenum. p. 213-233.
2. Buchholtz EA. 2007. Vertebral anatomy in the Florida manatee, Trichechus manatus latirostris: a developmental and evolutionary analysis. Anat Rec (this issue).
3. Buffrénil V, Ricqles A, Ray CE, Domning DP. 1990. Bone histology of the ribs of the archaeocetes (Mammalia: Cetacea). J Vertebrate Paleontol 10:455-466.
4. Carter DR, Van Der Meulen MCH, Beaupre GS. 1996. Mechanical factors in bone growth and development. Bone 18:55-105.
5. Fish FE. 1996. Transitions from drag-based to lift-based propulsion in mammalian Swimming. Am Zool 36:628-641.
6. Fish FE, Beneski JT, Ketten DR. 2007. Examination of the three-dimensional geometry of Cetacean flukes using CT-scans: hydrodynamic implications. Anat Rec (this issue).
7. Francillon-Vieillot H, de Buffrenil V, Castanet J, Meunier FJ, Sire J-Y, Zylberger L, Ricqles A. 1990. Microstructure and mineralization of vertebrate skeletal tissues. In: Carter JG, editor. Skeletal biomineralization patterns, processes and evolutionary trends. Vol. 1. New York: Van Nostrand Reinhold. p 471-530.
8. Gingerich PD, Uhen MD. 1996. Ancalecetus simonsi, a new dorudontine archaeocete (Mammalia, Cetacea) from the early late Eocene of Wadi Hitan, Egypt. Contributions from the University of Michigan Museum of Paleontology, Vol. 29. 13:359-401.
9. Hulbert RC Jr. 1998. Postcranial osteology of the north American middle Eocene Protocetid Georgiacetus. In: Thewissen JGM, editor. The emergence of whales. New York: Plenum p 235-267.
10. Karsenty G. 1999. The genetic transformation of bone biology. Genes Dev 13:3037-3051.
11. MacLeod C. 2002. Possible functions of the ultradense bone in the rostrum of Blainville's beaked whale (Mesoplodon densirostris). Can J Zool 80:178-184.
12. Madar SI. 1998. Structural adaptations of early archaeocete long bones. In: Thewissen JGM, editor. The emergence of whales. New York: Plenum. p 353-378.
13. Madar SI. 2007. The postcranial skeleton of early Eocene Pakicetid cetaceans. J Paleontol 81:176-200.
14. Ricqles A, Buffrénil V. 2001. Bone histology, heterochronies and the return of Tetrapods to life in water: where are we? In: Mazin J-M, Buffrenil V, editors. Secondary adaptation of tetrapods to life in water. München: Verlag. p 289-310.
15. Thewissen JGM, Fish FE. 1997. Locomotor evolution the earliest cetaceans: functional model, modern analogues, and paleontological evidence. Paleobiology 23:482-490.
16. Thewissen JGM, Hussain ST, Arif M. 1994. Fossil evidence for the origin of aquatic locomotion in archaeocete whales. Science 263:210-212.
17. Thewissen JGM, Madar SI, Hussain ST. 1996. Ambulocetus natans, an Eocene cetacean (Mammalia) from Pakistan. Courier Forsch-Inst Senckenberg 191:1-86.
18. Thewissen JGM, Williams EM, Roe LJ, Hussain ST. 2001. Skeletons of terrestrial cetaceans and the relationship of whales to artiodactyls. Nature 413:277-281.
19. Taylor MA. 2000. Functional significance of bone ballast in the evolution of buoyancy control strategies by aquatic tetrapods. Hist Biol 14:15-31.
20. Uhen MD. 1998. Middle the late Eocene basilosaurines and dorudontines. In: Thewissen JGM, editor. The emergence of whales. New York: Plenum. p 29-58.
21. Uhen MD. 2007. Evolution of marine mammals: Back to the sea after 300 million years. Anat Rec (this issue).
22. Williams EM. 1998. Synopsis of the earliest Cetaceans: pakicetidae, ambulocetidae, remingtonocetidae and protocetidae. In: Thewissen JGM, editor. The emergence of whales. New York: Plenum. p 1-28.