Examining the highlighted area of your specimen, click on the image below which most closely resembles your specimen.
Base of the process
(bp)
starts at the middle of the segment
Base of the process
(bp)
starts at the apex of the segment
Taxonomy
Phylum
Arthropoda
Subphylum
Crustacea
Class
Maxillopoda
Subclass
Copepoda
Order
Calanoida
Family
Diaptomidae