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NEW MARINE MEMBERS OF THE GENUS HEMISELMIS (CRYPTOMONADALES, CRYPTOPHYCEAE)1
 

Summary: NEW MARINE MEMBERS OF THE GENUS HEMISELMIS (CRYPTOMONADALES,
CRYPTOPHYCEAE)1
Christopher E. Lane2
and John M. Archibald
Department of Biochemistry and Molecular Biology, Dalhousie University, Halifax, Nova Scotia, Canada
Cryptomonads are a ubiquitous and diverse
assemblage of aquatic flagellates. The relatively
obscure genus Hemiselmis includes some of the
smallest of these cells. This genus contained only
two species until 1967, when Butcher described
seven new marine species mainly on the basis of
observations with the light microscope. However,
from these seven taxa, only H. amylifera and
H. oculata were validly published. Additionally, the
features Butcher used to distinguish species have
since been questioned, and the taxonomy within
Hemiselmis has remained clouded due to the diffi-
culty in unambiguously applying his classification
and validating many of his species. As a result,
marine strains are often placed into one of three

  

Source: Archibald, John - Department of Biochemistry and Molecular Biology, Dalhousie University
Lane, Chris - Department of Biological Sciences, University of Rhode Island

 

Collections: Biology and Medicine