1. CLASSIFICATION OF ALGAE BY
G.M SMITH
PRESENTED BY
ABOLI VICHARE
M.SC PART - 1

2. Contents :-
Introduction of algae
Classification of algae
Introduction of division chlorophyta
Introduction of division euglenophyta
Introduction of division pyrrophyta
 Refrrence

3. WHAT IS
ALGAE?????????
Algae is an
autotrophic
plant which
prepare food by
photosynthesis.

4. CLASSIFICATION OF ALGAE

5. DIVISION CLASS
CHLOROPHYTA CHLOROPHYCEAE ,
CHAROPHYCEAE
EULENOPHYTA EULENOPHYCEAE
PYRROPHYTA CRYPTOPHYCEAE,
DESMOPHYCEAE,
DINOPHYCEAE
CHRYSOPHYTA XANTHOPHYCEAE, CHRYSOPHYACEAE,
BACILLARIOPHYCEAE
PHAEOPHYTA ISOGENERATAE, HETEROGENERATAE,
CYCLOSPORAE
CYANOPHYTA MYXOPHYCEAE
RHODOPHYTA RHODOPHYCEAE

6. Division :-
Chlorophyta

7. Habit :-Fresh water algae (mostly) & as well as
Marine water algae
Pigments :- Chlorophyll a, chlorophyll b, carotin &
xanthophylls
Reserve food material :- Accumulate starch as
photosynthetic reserve.
Range of thallus :- Unicellular & Multicelluar
Reproduction :- Asexual & Sexual

8. CHLOROPHYTA
Chlorophyceae Charophyceae

9. Chlorophyceae
• Habit :- Fresh water & marine water
algae
• Pigment :- Chl.a , Chl.b , Xanthophyll ,
Carotin
• Reserve food material :- Accumulate
starch as photosynthetic reserve.
• Range of thallus :- Always multicellular
• Reproduction :- Asexual

10. Order’s of Class Chlorophyceae :-
1. Volvocales
2. Tetrasporales
3. Ulotrichales
4. Ulvales
5. Schizogoniales
6. Cladophorales
7. Oedogoniales
8. Zygnematales
9. Chlorococcales
10.Siphonales
11.Siphonocladiales

11. VOLVOCALES :-
EG:- VOLVOX

12. TETRASPORALES:-
EG :- TETRASPORA

14. ULOTRICHALES :-
EG:-ULOTHRIX

15. ULVALES :-
EG:- ULVA

17. Schizogoniales :-
 Habit :- Fresh water as well as marine water
algae
Pigments :- Chl.a , Chl.b (Single stellate
chloroplast)
 Reserve food material :- Accumulate starch as
photosynthetic reserve.
 Range of thallus :- Filamentous, plate like or solid
cylinders.
Reproduction :- No sexual reproduction & Asexual
reproduction is by means of aplanospores &
akinetes.
Eg. Praaiola mexicana

18. CLADOPHORALES:-
EG:- CLADOPHORA

20. OEDOGONIALES :-
EG:- OEDOGONIUM

21. ZYGNEMATALES :-
EG:- ZYGNEMA

23. CHLOROCOCCALES :-
EG:- CHLOROCOCCUM

25. SIPHONALES :-
EG :-VAUCHARIA

27. SIPHONOCLADIALES :-
EG:-VALONIA

28. Charophyceae :-
 Habit :- Fresh water as well as marine
water algae
 Pigments :- Chl.a , Chl.b
 Reserve food material :- Accumulates
starch as photosynthetic reserve.
 Range of thallus :- Regular succession of
nodes & internodes , branched thallus.
Reproduction :- Sexual reproduction is
oogamous.
Eg. Chara

30. Division :-
EUGLENOPHYTA

31. Habit :- Fresh water algae
Pigments:- Chlorophyll &
carotinoids.
 Reserve food material :- An insoluble
carbohydrate relate to starch.
Range of thallus :- Motile cells have
more than two flagella.
Reproduction :- sexual reproduction
seen in only one species & asexual
reproduction is cresting stages
(cysts).

32. Order’s of class Euglenophyta:-
 Euglenales
 Colaciales (Euglenocapsales)

33. EUGLENALES :-
EG:- EUGLENA

34. COLACIALES(EUGLENOCAPSALES):-
EG :- COLACIUM

35. Division:-
PYRROPHYTA

36. Classes of division pyrrophyta :-
Class 1. Cryptophyceae
Class 2. Desmokontae
Class 3. Dinophyceae

37. Order’s of division pyrrophyta :-
 Gymnodiniales
 Peridiniales
 Dinophysidales
 Rhizodiniales
 Dinocapsales
 Dinotrichales
 Dinococcales

38. Gymnodiniales
Eg :- Gymnodium

39. Peridiniales
Eg :- Peridinium

40. Dinophysidales
Eg:- Dinophysis

41. Rhizodiniales
Eg:- Dinamoebidium

42. Dinocapsales
Eg:- Gloedinium

43. Dinococcales
Eg:- Dinococcales

44. Reference :-
 Algae by HC Bold.
 Text book of botany by O.P Sharma.
 Algae by Vashishta.
 www.wikipedia.com.
 College Botany .