Page 106 - e-Book

Also, it confirms the presence of 27 genera with 20 families of 15 orders reported
during our present study. The class Chlorophyceae represents with 6 genera belonging to 5

families under 4 orders. Whilst, Rhodophyceae denotes with 15 genera of 12 families fall
under 8 orders. Phaeophyceae comprise 6 genera with 3 families under 3 orders (Table – I).

Table – I: Numerical Status of the taxa

Class Order Family Genus Taxa
Chlorophyceae 04 05 06 20

Pheaophyceae 03 03 06 11
Rhodophyceae 08 12 15 26

Total 15 20 27 57

The order Ulvales (Ulva) and Dictyotales (Dictyopteris, Dictyota, Padina,

Stoechospermum) signified with 8 taxa in each class. The order Cladophorales includes 6
taxa belong to the family Cladophoraceae with 2 genera (Chaetomorpha and Acrocladus).

Order Gracilarials has encountered 5 taxa under 2 genera (Gracilaria & Hydropuntia).
Bryopsidaceae (2 taxa) and Caulerpaceae (3 taxa) are characterised with 5 taxa. The rest of

the orders Ulotrichales, Ectocarpales, Bangiales contain single taxon. Fucales (2 taxa of

Sargassaceae), Gelidiales (3 taxa belong to Gelidiaceae & Gelidiellaceae), Cryptomaniales (2
taxa of Halymeniaceae), Corallinales (3 taxa of Corallinaceae), Rhodymeniales (4 taxa of 2

families) and Ceramiales (2 taxa of Ceramiaceae & Rhodomelaceae) are the orders of
moderate values. (Table – II & III).

Table – II: List of marine macroalgae collected from the northern coastal district of Andhra
Pradesh

GENUS DETAILS OF THE TAXA VOUCHER

NUMBER
OF BSI,

SRC, CBE

CHLOROPHYCEAE

Order: Ulvales

Family: Ulvaceae

96