Click on the image which your specimen most closely resembles.
Extension
(e)
truncated
Extension
(e)
pointed, long
Extension
(e)
pointed, short and dorsal,
ventral keel
(k)
or fin visible in some orientations
Taxonomy
Phylum
Rotifera
Class
Monogononta
Order
Ploima
Family
Brachionidae
Genus
Notholca