Place: Maharashtra Nature Park, Mumbai, India.

Description: I went on a field visit as a part of a group to observe various water ecosystems. I collected a water sample from a freshwater pond. I observed rapid motion of this organism and concluded it to be a diatom.

Observations:

Kingdom: Chromista

Subkingdom: Harosa

Infrakingdom :            Heterokonta

Phylum: Ochrophyta

Subphylum: Khakista

Class: Bacillariophyceae

Subclass:: Bacillariophycidae

Order: Bacillariales

Family: Bacillariaceae

Genus: Cylindrotheca