You searched for: “heleoplankton
heleoplankton (s) (noun), heleoplankton (pl)
The very small lifeforms that live in small ponds and marshy areas: Mr. Timmons, the biology teacher at Jane's school, talked about heleoplankton that existed in the still freshwater next to their school.
This entry is located in the following unit: plankto-, plankt-, -plankton (page 2)