Phylogenetic relationships among extant
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Hiroshi Wada; Noriyuki Satoh
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Article
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1994
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Springer
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English
โ 750 KB
In spite of the rich fossil record and multiple descriptions of morphological and embryological characteristics, the origin and subsequent evolution of echinoderms remain highly controversial issues. Using sequence data derived from 18S rDNA, we have investigated the phylogenetic relationships among