sirenian

adj.

海牛类；

Sirenian
Sirenian
Sirenian evolution in the North Pacific Ocean
NEW SIRENIAN FROM THE TERTIARY OF PORTO RICO, WEST INDIES
The earliest known fully quadrupedal sirenian.
Evolution of Sirenian Pachyosteosclerosis, a Model-case for the Study of Bone Structure in Aquatic Tetrapods
An Ecological Model for Late Tertiary Sirenian Evolution in the North Pacific Ocean
Domning D. P. — The earliest known fully quadrupedal sirenian. Nature
Fossil sirenia of the west Atlantic and Caribbean region. V. The most primitive known sirenian, Prorastomus sirenoides Owen, 1855
Taylor & Francis Online :: Fossil sirenia of the west Atlantic and Caribbean region. V. The most primitive known sirenian, Prorastom...