dinoflagellate - to the left you can see the flagellum.
the guide I am looking at IDs this as "Ceratium linearum gamete"
http://www.cosee-west.org/oceanglobe/pdf/guide_plankton1.pdf
Was called Oxyphysis
May be sp. oxytoxoides
The Wikipedia entry for this is incorrect. This is not in the trilobite family.
dinoflagellate - to the left you can see the flagellum.
the guide I am looking at IDs this as "Ceratium linearum gamete"
http://www.cosee-west.org/oceanglobe/pdf/guide_plankton1.pdf
Diatom
Found along shoreline of small man-made lake.
Temp. 78F / 25.6C
pH: 6.83
Marine. Salinity 34, ph 8.4, h2o temp 17.2c.
Very small, height approx 5 um.
"Valves of adjacent D. pumila cells do not touch, and thus have a gap between cells. Valves of adjacent L. annulata cells do touch." At http://www.eos.ubc.ca/research/phytoplankton/diatoms/centric/lauderia/l_annulata.html