A revision of the rotatorian genus Keratella, with descriptions of three new species and five new varieties. Bulletin of the AMNH ; v. 80, article 12.

Ahlstrom, Elbert Halvor.2005-10-062005-10-061943http://hdl.handle.net/2246/1847p. 411-457, [8] p. of plates : ill. ; 24 cm.Includes bibliographical references (p. 454-457).12207418 bytesapplication/pdfen-USQH1 .A4 vol.80, art.12, 1943KeratellaRotiferaA revision of the rotatorian genus Keratella, with descriptions of three new species and five new varieties. Bulletin of the AMNH ; v. 80, article 12.Revision of the genus Keratellatext