Zoology : Taxonomi of Mollusca

Taxonomic identification of Mullusca

Local name : Nuilla
Habitat : Marine

Physical Characteristics

1. Manle : Present
   a. shape : slender
   b. size medium
   c. colour : deep brown dorsally light brown

1. Shell : Internal shell straight , feather or rod shaped

2. Head
   a. position: Rectangular
   b. size medium
   c. color : whitish

3. Eye
   a. Position: Dorso lateral
   b. shape: Round
   c. size: large

4. Mouth : Surrounded by ten arms

5. buccal Membrane :
   a. color : whit
   b. divided into : seven buccal lappeles
   c. Sucker : present

1. Arms
   a. shape : Brood at base and pointed
   b. size and arrangement : Medium and arrange with 3421
   c. Sucker : present
   d. Row : 2 rows

Morphometric Characteristics

1. Measurements :

a. Total length (tl) : 24cm
b. Mentale length (ml) : 8.3cm
c. Head length (3.4) : 3.4 cm
d. fin length (fl) :4.5 cm
e. eye diameter (ed) : 1.4 cm

1. Relationship :
   a. ml/tl 100
   b. hl/tl100
   c. fl/tl100
   d. ed/tl100

Classification

Phylum : Mullusca
Class : Cephalopoda
Order : Tenthoidae
Family : Loliginidae
Genus : Photololigo
Species : P. edulis

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