PALEECHINOIDEA
\pˈaliːt͡ʃˌɪnɔ͡ɪdˌi͡ə], \pˈaliːtʃˌɪnɔɪdˌiə], \p_ˈa_l_iː_tʃ_ˌɪ_n_ɔɪ_d_ˌiə]\
Definitions of PALEECHINOIDEA
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Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.