Phylum-
Arthropod
Ex- Peripatus, Palaemon, Crab,
Limulus, Scolopendra, Julus, Periplaneta
Peripatus
Phylum: Arthropoda Jointed appendages.
Class: Onychophora Exoskeleton absent, parapodia with
claws
Genus
Peripatus ,
Species capensis
Characters
- It is connecting link between annelid and arthropod.
- Body is caterpillar like.
- Body is segmented.
- Alimentary canal is straight.
- Presence of segmented antenna.
- Presence of Chitenous jaw.
- Parapodia terminates into claws.
Palaemon, (Prawn)
Kingdom Animalia Eukaryotic, heterophic animal.
Phylum: Arthropoda Jointed appendages.
Class Crutacea Head and thorax fused (cephalothorax).
Order: Decapoda Presence of 10 pairs of appendages.
Genus : Penaeus
Species
: monodon
- It is freshwater as well as marine water.
- Presence of 10 pairs of appendages.
- Eyes are stalked
- Head fused with thorax forming cephalothorax.
- Cephalothorax is covered by carapace.
- Presence of telson and uropod.
King crab (Lumulus)
Kingdom Animalia Eukaryotic, heterophic animal.
Phylum: Arthropoda Jointed appendages.
Class Merostomata Aquatic form and compound eyes are well
developed.
Order: xiphosurida prosoma coveed with horse shoe shaped
carapace.
Genus Limulus
Species: polyphemus
Limulus
polyphemus
Characters.
1.
It
is commonly called as King krab
2.
Body
is divided into prosoma, mesosoma and metasoma.
3.
It
is living fossil.
4.
Body
is covered with carapace.
5.
6
pair of movable spins on mesoma.
6.
Respiratory
organs are book lung.
7.
Presence
of telson.
8.
Sexes
are separate.
Centipede (Scolopendra)
Centipede (Scolopendra)
Kingdom
Animalia Eukaryotic, heterophic animal.
Phylum: Arthropoda Jointed appendages.
Class Chilopoda Body is divided into head and trunk.
Order: scolopendromorpha body elongated dorso- ventrally flattened.
Genus
: Scholopendra
Species: subspinipes
Scholopendra subspinipes (Centiped)
Characters:
Centipeds
are 100 leggers
Body
is segmented.
Each segment has a pair of walking legs.
1st five pairs are curved act as poison glands.
Anus is in the last body segment.
Presence of anal style.
It is carnivorous.
Each segment has a pair of walking legs.
1st five pairs are curved act as poison glands.
Anus is in the last body segment.
Presence of anal style.
It is carnivorous.
Millipede (Julus)
Kingdom
Animalia Eukaryotic, heterophic animal.
Phylum: Arthropoda Jointed appendages.
Class Diplopoda two pairs of walking legs to each segment.
Order: Julida Spinneretes absent in
last segment.
Genus: Cylindroiulus
Species :londinensis
Cylindroiulus londinensis (Millipede)
Characters:
Commonly
called as Julus.
It is also called 1000 leggers.
Body is segmented.
Each segment has two pairs of leg.
Simple eyes.
Antenna 7 segmented.
Julus is herbivorous.
It is also called 1000 leggers.
Body is segmented.
Each segment has two pairs of leg.
Simple eyes.
Antenna 7 segmented.
Julus is herbivorous.
Periplaneta (Cockroach)
Kingdom
Animalia Eukaryotic, heterophic animal.
Phylum: Arthropoda Jointed appendages.
Class Insecta Three pairs of walking legs, tow pairs of wing
Order Blattodea
Genus Periplaneta
Species americana
Class Insecta Three pairs of walking legs, tow pairs of wing
Order Blattodea
Genus Periplaneta
Species americana
Characteres :-
It is originated from Mexico in America.
Body is divisible into head, neck, thorax and abdomen.
Presence of three pairs o walking legs.
presence of compound eyes.
Two pairs of wings
Malphigian tubules are excretory organ.
Feeds upon organic food material.
It is found noctournal.
Sexes are separate.
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Scorpion
Kingdom Animalia Eukaryotic, heterophic animal.
Phylum: Arthropoda Jointed appendages.
Class Arachnida 4 pairs of thoracic legs.
Order: Scorpinoida Presence of sting apparatus.
Genus
Palamnaeus
Species bengalensis
Palamnaeus bengalensis (Scorpion)
Characters.
- It is living fossil
- It is nocturnal animal.
- It has poisonous sting at its end.
- Body divisible into prosoma, mesosoma and metasoma
- Chelacera are small.
- Pedipalp is much larger.
- Four pairs of walking legs.
- Five pairs of lateral eyes
- Respiratory organs are book lungs.
- Scorpions is poisonous animal.
- Sexes are separate.
Grasshopper
Kingdom
Animalia Eukaryotic, heterophic animal.
Phylum: Arthropoda Jointed appendages.
Class Insecta Body divided into
head, thorax and abdomen.
Order: Orthoptera
Prothorax large.
Genus: Schistocerca
Species
gregarian
Schistocerca gregarian (Grass hopper)
Characters:
1.
Thorax
bears 3 pairs of walking legs.
2.
Two
pairs of wings.
3.
Abdomen
is segmented and cylindrical.
4.
Male
has anal style.
5.
Female
has ovipositor.
6.
It
is serious crop pest.
7.
Sexes
are separate.
Butterfly
Kingdom Animalia Eukaryotic, heterophic animal.
Phylum: Arthropoda Jointed appendages.
Class Insecta Body divided into head, thorax and abdomen.
Order Lepidoptera compound eyes are very large./
Genus
: Raphicera
Species: satricus
Raphicera satricus (Butterfly)
Characters
- Thorax bears 3 pairs of walking legs.
- Two pairs of wings.
- Abdomen is segmented and cylindrical.
- Antennae shows terminals enlargement.
- Wing are colourfull and attractive.
- Metamorphosis is complete.
- Larva is called catrpiller.
- Sexes are separate.
e-mannual by Dr. Vidhin Kamble
Department of Zoology
Sangola College, Sangola
