A return to a radiate form: Echinodermata

February 29, 2024/in Uncategorized /by developer

A return to a radiate form: Echinodermata

Species

Pharyngeal slits

Adult dorsal nerve cord

Jaws

Bony skeleton

Eyes

Gills

Teeth

Deuterostome

Closed circulatory system

Complete digestion system

Total

Urochordata

Tunicates

1

0

0

0

0

0

0

0

0

1

0

0

1

3

Placoderms

Jawed fish

1

1

0

1

1

0

1

1

0

1

1

1

1

10

Myxini

Hagfish

1

1

1

0

0

0

0

1

1

1

0

1

1

8

Cephalochordata

Lancelets

1

1

0

0

0

0

0

1

0

1

0

1

1

6

Chondrichthes

Shark

1

1

0

1

1

0

1

1

1

1

1

1

1

11

Petromyzontidae

Lamprey

1

1

1

0

0

0

1

1

1

1

0

1

1

9

Ostracoderms

Jawless fish

1

1

0

0

0

0

1

1

0

1

1

1

1

8

Actinopterygii

Most fish

1

1

0

1

1

1

1

1

1

1

1

1

1

12

Sarcopterygii

Coelocanth

1

1

0

1

1

1

1

1

1

1

1

1

1

12

Echinoderm

Star fish

0

0

0