The systematics of sympatric species in West Indian spatangoids : a revision of the genera Brissopsis, Plethotaenia, Paleopneustes, and Saviniaster /
Chesher, Richard H.
The systematics of sympatric species in West Indian spatangoids : a revision of the genera Brissopsis, Plethotaenia, Paleopneustes, and Saviniaster / by Richard H. Chesher. - Coral Gables : University of Miami Press, 1968. - VII, 168 p. : ill. ; 24 cm. - Studies in tropical oceanography, no. 7 .
The systematics of sympatric species in West Indian spatangoids : a revision of the genera Brissopsis, Plethotaenia, Paleopneustes, and Saviniaster / by Richard H. Chesher. - Coral Gables : University of Miami Press, 1968. - VII, 168 p. : ill. ; 24 cm. - Studies in tropical oceanography, no. 7 .