"Echinidan" is a word in ENGLISH

echinidan ENGLISH
Definition:

One the Echinoidea.

Few words of positivity

You have to open up to the world and learn optimism...Contentment with the past, happiness with the present, and hope for the future. Learned optimisim.

Jennifer Crusie, Agnes and the Hitman

WORD SUGGESTIONS
Laugh your heart out.

Teacher: What family does the octopus belong to?Pupil: Nobody I know!

echinoid ENGLISH

One of the Echinoidea.

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sea urchin ENGLISH

Any one of numerous species of echinoderms of the order Echinoidea.

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