Periodic System
(in Brief)
Text

 

Level
organization
and type
FG

Formula
and number
segments
of head
complex

GRASPERS

FILTRATORS

GRASPERS

LAND

BENTAL

PELAGIAL

BENTAL

LAND

A

B

C

D

E

F

G

H

I

J

K

L

A
R
T
H
R
O
P
O
D
A

IV

S
M
F
A

 

Eucarida

Eucarida

Eucarida

Eucarida

 

 

Eucarida

Late zoea

 

 

Pterygota (Insecta)

 

III

M
F
A

 

Peracarida

Peracarida

Peracarida

Peracarida

 

Copepodoidea (isotopic form)

Peracarida

Early zoea

 

 

Apterygota (Insecta)

Myriapoda

II

T
F
A

 

Cladocera

 

 

Cladocera

Cladocera

Lipostraca

Phyllocarida

Metanauplius

 

Chelicerata

Chelicerata

Myriapoda

I

G
F
P
A

 

 

Pseudocrustacea

 

Pseudocrustacea

Pseudocrustacea

Pseudocrustacea

Pseudocrustacea

Nauplius

Trilobita

Pantopoda

 

Arthropleurida ?

A
N
N
E
L
I
D
E
S

0

A
F
P
A

 

Oligochaeta

Polychaeta

Polychaeta

Polychaeta

 

 

Nectochaeta

Nectoshaeta

Aysheaia

Tardigrada

 

Onychophora

The Symbolic Images

Red - Segments of head complex
Blue - Segments of thoracic
Green - Segments of abdomen
i - isotopic forms
f - fossils form

The symbolic images of the constructive
elements to the morphofunctional schemes.

Protocephalon.

Antennae with the locomotoric function.

Antennae with hydrokinetic function.

Mandibules.

Paragnathes.

Maxilles or their homologue

Maxilles and filtration function.

Maxillipedes or their homologue

Maxillipedes and filtration function

Hydrokinetic function

Filtration function

Grasping function of the limbs

Thoracopods with the nippers

Locomotor (walking) function of limbs

Locomotor (swimming) function of limbs

Phylloid polyfunctional limb

Gnathobasic polyfunctional limb

Grasping function of gnathobases

Reduced limbs

Segment without legs

Segment of pterothorax

Branchiae

Parapodes

Mouth

Uropods

Jumping uropods

Telson with furca

Postabdomen

Anal lobe

Tail spine

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