First slide

Classification of Animals

Question

In earlier days, which of the following phylum was considered as sub-phylum under phylum Chordata?

Moderate

A

Hemichordata
B

Echinodermata
C

Mollusca
D

Arthropoda

Solution

Hemichordata was earlier considered as a sub-phylum under phylum Chordata.
Stomochord or buccal diverticulum was believed to be notochord.

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