Class Pterobranchia

Class Pterobranchia
Member of class pterobranchia has:
U-shaped structure
X-shaped structure
Y-shaped structure
none of above
Author: rikazzz Comment
Class Pterobranchia
Identified number of class pterobranchia is:
15 species
20 species
32 species
21 species
Author: rikazzz Comment
Class Pterobranchia
Pterobranchia ranges in size from:
0.1-5 mm
0.5-5 mm
0.7-6 mm
0.9-10 mm
Author: rikazzz Comment

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