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
Possibly sp. Spirale
Salinity 34, sun, calm wind, 10.3 c water, air 13.3 c, incoming tide.
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 environment. What species is this?
Possibly T. frauenfeldii
Salinity 33, air temp 71 f, water temp 67.8 f, ph 7.6
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