UNIVERSITY OF THE WEST INDIES 
CAVE HILL CAMPUS 
FACULTY OF PURE & APPLIED SCIENCES
 DEPARTMENT OF BIOLOGICAL & CHEMICAL SCIENCES
   BIOL1051 Biodiversity I -   MAJOR ALGAL GROUPS  

Group

Common Name

Niche(a)

Major Accesory Pigment

Reserve

Flagella(a)

Remarks

CHLOROPHYTES Green algae m/f/t; varied chl b. starch

(2)

Most diverse group
Euglenophytes Euglenoids m/f; planktonic chl b 1-3 glucan

2

proeinaceous pellicle 
instead of wall; 
facultative autotrophs
PHAEOPHYTES Brown algae m; benthic fucoxanthin 
(carotenoid)
1-3 glucan, 
mannitol

(2)

Usually macro-algae
Chrysophytes Golden-brown algae 
(incl. diatoms)
m/f; planktonic fucoxanthin 
(carotenoid)
1-3 glucan

(1 - 3)

Diatoms with SiO2 walls
RHODOPHYTES Red algae m; benthic phycoerythrin floridean starch

0

Usually macro-algae
Pyrrophytes Dinoflagellates m/f; planktonic peridinin 
(carotenoid)
form of starch

2

Internal cellulose wall

 

NOTES:-
 

 m = marine f = freshwater t = terrestrial

( ) implies if present
 
 
 
 

2004-10-01

CMSC