Animal groups and their main Excretory structures/organs
1.
Protozoans- General
body Suface or Plasmalemma
2.
Porifera and Cnidaria- Plasma membrane of each cell
3.
Platyhelminthes - Protonephridia or flame cells
4.
Aschelminthes (Roundworm)- H shaped renette cell
5.
Annelids (Earthworm, Leech, Nereis)-Nephridia
6.
Arthropods-
a)Insects,
centipeds and millipedes- Malpighian
tubules
b)Crustaceans
(Prawn)- Antennary or green glands
c) Scorpions and Spiders- Coxal glands
7.
Molluscs- Keber’s
organ and Organ of Bojanus
8.
Echinodermates (Starfish)- No specialized
excretory organ
9.
Hemichordates(Balanoglossus)-Proboscis gland
10. Urochordates-Neural
gland
11. Cephalochordates- Solenocytes
12. Vertebrates- One
pair of Kidneys