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Developmental biology

A larval revelation

Identification of the previously unknown larval forms of the sea lilies, a group of marine invertebrates, is a refreshing reminder of the value of descriptive science in evolutionary studies.

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Figure 1: Picture of lily — the stalked crinoid Metacrinus rotundus.
Figure 2: Stages in stalked crinoid (sea lily) development, as discovered by Nakano et al.3.


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Correspondence to Thurston Lacalli.

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Lacalli, T. A larval revelation. Nature 421, 120–121 (2003).

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