Taxonomy of Shellfish

Taxonomy of Shellfish (1+2)

H.N. Anjaneyappa and P.Jawahar

LECTURE OUTLINE

Theory

UNIT: 1

Introduction - General characters of phylum Arthropoda

UNIT: 2

Classification of Crustacea

Sub-class –1 Cephalocarida 2 Brachiopoda 3. Ostracoda 4. Mystacocarida, 5. Copepoda

6 Branchiura 7 Cirripedia 8 Malacostraca

General characters of Series– 1 Leptostraca 2 Eumalacostraca

Super order – 1 Syncarida , Order – 1 Anaspidacea 2 Bathynellacea

Super-order – 2 Peracarida, Order - 1 Mysisdacea, 2 Cumacea 3 Tanaidacea 4 Isopoda 5 Amphiopoda Super order – 3 Hoplocarida Order – 1 Stromatopoda

Super Order –4 Eucarida Order – 1 Euphausiacea

UNIT: 3

General characters of Order Decapoda,

Sub-order –Natantia, Section (Infraorder) – 1 Penaeidea 2 Caridea 3 Steriopodidea

UNIT: 4

Taxonomy of shrimps and prawns

Systematic position of shrimps, characters used in identification of shrimps, general morphology of shrimps and prawns, important characters distinguishing between Penaeid and Non-Penaeid prawns

UNIT: 5

Key to important species the family Penaeidae

Fenneropenaus indicus (Indian white shrimp), F. merguiensis (Banana shrimp),F. penicillatus (Red tail prawn), Peneaus monodon (Giant tiger prawn), P. semisulcatus (Green tiger prawn)

Key to the genus Metapenaeus, key to the genus Parapenaeopsis (Parapenaeopsis stylifera) (Kiddi shrimp)

UNIT: 6

Key to the family Sergesteidae (Sergested shrimp)

UNIT:7

Freshwater prawns

Key to the families of commercially important prawns Palaemonidae (Freshwater prawns/non- Penaeid prawns)

Systematic position, characters used in identification, general morphology of prawns, key to the genus Macrobrachim

UNIT: 8

Taxonomy of lobsters

Systematic position, general morphology, characters used in identification of lobsters,

Key to the important families

Family Palinuridae,

Key to the species of genus Panulirus, Puerulus

Key to the family Scyllaridae (Slipper lobster), Key to the genus Thenus

UNIT: 9

Taxonomy of crabs

Systematic position of crabs, general morphology, important characters used for identification of crabs, key to the important crab families

Key to the species of the genus Scylla, Portunus, Charybdis

UNIT: 10

General characters of the phylum Mollusca

Classification of the class Monoplacophora, Amphineura

Systematic position of Chiton ,key to the genus of the family Chitonidae

UNIT: 11

Classification of the class Gastropoda

Morphology of gastropod shell, ornamentation of the shell, systematic position

Sub-class A. Prosobranchia (Streptoneura)

Order Archeogastropoda (Aspidobranchia)

Sub- order – (i) Docoglossa 2 Rhipidoglossa,

UNIT: 12

Classification of the Order Mesogastropoda

Systematic position, Key to the genus of the family Strombidae, Cypraeidae

Cassification of the Order Neogastropoda

Order – (Stenopoda) Sub-order – 1 Stenoglossa

Key to the genus of the family Muricidae ,Vasidae, Olividae

UNIT: 13

Classification of cone shells

Systematic position of cone shells, key to the species of the family Conidae

UNIT: 14

Cl assification of the Class Bivalvia

General characters of Class Bivalvia, structure of Bivalves

Sub-class -1 Palaeotaxodonta, 2 Cryptodonta 3 Pterimorphia

Systematic position of Perna viridis and Perna indica

Systematic position of Pectin (Scallops)

UNIT: 15

Cassification of edible oysters

Systematic position, morphology, key to the species of the family Ostreidae

Key to the species of the family Pteriidae

Systematic position of Pinctada fucata (Pearl oyster)

Systematic position of Window pane oyster,key to the species of the family Placunidae

Key characters and classification of clams

Systematic position, identifying characters and key to the species of the family Donacidae and Veneridae,

UNIT: 16

Classification of Class Scaphopoda (Tusk shells)

Systematic position, general morphology, important characters used for identification of tusk shell

UNIT: 17

Cassification of of the class Cephalopoda

Systematic position, general morphology, important characters used for identification of Cephalopods

Key to the species of the genus Sepia (cuttlefish)

UNIT: 18

Systematic position, general morphology, important characters used for identification squids and Octopus.