|
|
||||
|
|
|
|
|
|
|
|
|
|
||
|
Click on images for larger format |
||||
Name derivation: |
||||
|
|
||||
Classification: |
||||
|
Hymenomonas F.Stein, 1878; 9 of 16 species descriptions are currently accepted taxonomically (Guiry and Guiry 2015). |
||||
Morphology: |
||||
|
Unicells, either non-motile, or motile with two, subequal flagella and a non-emergent or short bulbous haptonema. Covered with hundreds of crown-shaped coccoliths overlying layers of circular organic scales, sometimes also with small elliptical scales.
|
||||
Similar genera: |
||||
|
|
||||
Habitat: |
||||
|
Freshwater and marine plankton. H. roseola is the only known freshwater coccolith, reported from the British Isles, Germany, Romania and U.S.A. |
||||
References: |
||||
|
Guiry, M.D. and G.M. Guiry 2015. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 30 April 2013. Heimdal, B.R. 1993. Modern coccolithophorids. In: Identifying marine phytoplankton. (Tomas, C.R. Eds), pp. 731-834. San Diego: Academic Press. Stein, F.R. von 1878. Der Organismus der Infusionsthiere. III. Flagellaten I. pp. 1-154. Leipzig: Engelmann. |
||||
