Examining the highlighted area of your specimen, click on the image below which most closely resembles your specimen.
Right endopod
(en)
enlarged, attached to the inner surface of basal segment two
Right endopod
(en)
not enlarged, attached to the distal margin of basal segment two
Taxonomy
Phylum
Arthropoda
Subphylum
Crustacea
Class
Maxillopoda
Subclass
Copepoda
Order
Calanoida
Family
Diaptomidae