PHYUW 



Kxmaples 



PHYLUM 



Examples 



ARTHROPODA < ■ 



Class -Crustacea 



Order-Cladocera 

 Sub-class-Ostracoda 

 -Copepoda 

 Orde r-Amphl poda 

 -Decopoda 

 Shrimps 

 (Early stages)Lobsters 

 Crabs 

 Order-Mysidacea 



Genus- Mysls 

 Order-Euphauslacea 

 Genus -Kuphausla 



ASCHELMINTHES 



Rotifers 



CHAKTOGNATHA 



Genus-Sagltta 



ANNELIDA 



Segmented worms 



COELENTERATA 



Jellyfish 

 (Early stages) 



PORIFERA 



PROTOZOA 



Sponges 

 (Early stages) 



Class-Mastogophora 



Gcnera- Woctiluca 

 - Euglena 

 - Euglenamorpha 

 Order-Dlnof lagellatu 

 Genera- Peri dinium 

 -Ceratium 

 - Gonyaulax 

 Class-Sarcodl na 



Genus - Amoeba 

 Order-Foramini f era 

 Ge nu s -Globigcrina 



CHORDA TA 



Class - Pisces 



Pish 

 (Eggs and larvae) 



ECHINODBRMATA 



MOLLUSCA 



(Early stages) 



Starfish 

 (Larvae) 



Oysters 

 Snails 

 Clans 

 Squids 



Complete 

 digestive tract 



-^ CTENOPHORA 



Comb Jelly 

 (Early stages) 



Digestive sac 

 and nerves 



t 



Many-celled 

 organisms 



THALLOPHYTA 

 Subdivision-Algae 

 Class-Chlorophyceae 



Filamentous algae 

 Diatoms 

 Other forms 

 Gen e r a -Chlorella 



Chlamydobotrys 

 Class-Dinophyceae 



Subclass-Dinoflagellatae 

 Genera- Peri dinium 

 - Ceratium 

 - Gonyaulax 

 Subdi vi si on-Fungi 

 Clans -Schizomycetes 

 Genu s -Bact e r i a 



Single cell 



Figure 4. — A geneological tree showing the probable relationship of some of the more important phyla in 

 the plant and animal kingdoms that are represented in the plankton at some stage in their lives. 



