Paleechinoidea n. pl. : An extinct order of sea urchins found in the Paleozoic rocks. They had more than twenty vertical rows of plates. Called also Palaeechini.

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Taxonomy
dictionary, encyclopedia, online dictionary, thesaurus browser, Free Online Dictionary, paleface, English dictionary, free online English dictionary, Translations, law, explanation, Acronyms, Idioms, ech, Zool, sea urchins, Paleozoic rocks, vertical rows.

Defination from the web:
Paleechinoidea in the Online Dictionary. Meaning of Paleechinoidea. Pronunciation of Paleechinoidea. Translations of Paleechinoidea. ... Paleechinoidea. paleencephalon. paleethnology. paleface. Paleichthyes. paleichthyology. Palely. Palembang. Palea steindachneri ...