Arms seem to be divided in

Antedon

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Ophiothrix

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Holothuria

No worries! We‘ve got your back. Try BYJU‘S free classes today!

None of the above

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A Antedon
Antedon is a genus of free-swimming, stemless crinoids. They have five pairs of feathery arms arising from a central concave disc. There are a number of cirri or unbranched appendages on a low, cone-shaped dorsal ossicle, a bone-like structure in the centre of the disc. So, the correct answer is option A.

Suggest Corrections

Similar questions

Q8. Consider the following statements.

1. As per Stockholm International Peace Research Institute (SIPRI), India was the world’s largest importer of major arms in 2013-2017.

2. USA overtook Russia continues to be India’s largest arms supplier.

3. Pakistan has emerged as largest recipient of China’s arms exports.

Which of the above statement(s) is/are correct?

Join BYJU'S Learning Program