spiracles

ovipositor

tibia

tibiatarsus

femur

coxa

femur

antenna

forewings

hindwings

Compound eyes

coxatrochanter

ThoraxHead Abdomen

Forgut Midgut Hindgut

lungs

crop

gizzard

Salivary glands

trachea

Malphigian tubules

lungsTympanic membrane

Gastric caecum

trachea

Mandible Mandible

Maxilla

Maxilla

labium

Labrum

Labial palpsMaxillary palp Maxillary palp

Ocelli

Madreporite

Tube feetspines

stomachampulla

Ampulacral groove

Pyloric caecum

Polian vessicles

Compound eye

Antennule glands (green gland)

heartstomach

antennaintestine

anus

brain

telson

Flexor and extensor muscles

uropods

gills

anus

Pedicellariae

Pyloric caecum/

digestive gland

Gonads

Ambulacral ridge

Ampulla

Radial canal

Lateral canal

ossicles

Madreporite

Ring canal

mouth

Oral part of starfish

Tube feet or

podia

Ambulacral grooves spines

Eye spot

Branchiae gills

Arm

ampulla

Lateral canal

Lateral canal

Radial canal

ossiclesPyloric caecum/ digestive gland

podium

crop Blood vessel

Salivary gland

Malpighian tubules

gizzardovary

Gastric ceca

brain

anus

spiracles

Compound eyes

lungs

tracheaTympanic membrane

gills

telsonuropods

heartpericardium

cropgizzard

Walking legs

swimmerets

Chela

Flexor/extensor muscles

rostrum

gonads

maxilla

Stratocyst sac

Cheliped

Axial lobe

Pleural lobe Pleural lobe

antennae

chela

Compound eye

What tagmata?:

Cephalothorax

What is the tagmata?

abdomenWalking legs (4 pairs)

Antennule- smaller antennae

Rostrum-

In btw the antennae

What is the exoskeleton?

Carapace

What is the name of the exoskeleton?

Tergum

cheliped

sternumAntennule- smaller antennae

telson

uropods

uropods

Complete fusion of head, thorax, abdomen

Exoskeleton:Carapace

P: Arthropoda

SP: Chelicerata

C: Arachnida

P: ArthropodaSubp:ChelicerataC: ArachnidaO: Scorpionida

P: ArthropodaSP: ChelicerataC: Merostomata

P: ArthropodaSubphylum: CrustaceaC: MalacostracaCommon name: rock crab

P: ArthropodaSubphylum: CrustaceaC: CirripediaCommon name: Barnacles

P: ArthropodaSubphy: UniramianC: ChilipodaCommon name: centipede

P: ArthropodaSubphy: UniramianC: DiplopodaCommon name: milipede

P: ArthropodaSubphy: CrustaceaC: MalacostracaCommon name: rock crab