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==References== {{reflist}} ===Works cited=== {{refbegin}} * {{cite book|last1=Arnone |first1=Maria Ina |last2=Byrne |first2=Maria |last3=Martinez |first3=Pedro |year=2015 |title=Evolutionary Developmental Biology of Invertebrates 6 |chapter=Echinodermata |pages=1–58 |publisher=Springer Vienna |publication-place=Vienna |isbn=978-3-7091-1855-9 |doi=10.1007/978-3-7091-1856-6_1 }} * {{cite journal |last1=Arshinoff |first1=Bradley I |last2=Cary |first2=Gregory A. |last3=Karimi |first3=Kamran |last4=Foley |first4=Saoirse |last5=Agalakov |first5=Sergei |last6=Delgado |first6=Francisco |last7=Lotay |first7=Vaneet S. |last8=Ku |first8=Carolyn J. |last9=Pells |first9=Troy J. |last10=Beatman |first10=Thomas R. |last11=Kim |first11=Eugene |last12=Cameron |first12=R. 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