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The role of heterochrony in the establishment of body plan in higher echinoderm taxa

โœ Scribed by S. V. Rozhnov

Book ID
110213180
Publisher
Springer
Year
2009
Tongue
English
Weight
570 KB
Volume
36
Category
Article
ISSN
1062-3590

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Taxa of high rank tend to originate at earlier times in the fossil record than do taxa of lower rank. Statistical analysis of published stratigraphic ranges shows that the early origin of higher taxa is a secondary consequence of taxonomic structure. For instance, the probability that the originatio