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Science 28 April 1995:
Vol. 268. no. 5210, p. 485
DOI: 10.1126/science.268.5210.485-a
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Corrections and Clarifications

In the report "Evidence from 18S ribosomal DNA that the lophophorates are protostome animals" by K. M. Halanych et al. (17 Mar., p. 1641), the third sentence in the second paragraph should have read, "Earlier researchers often allied lophophorates with protostome taxa on the basis of the presence of chitin, the lack of sialic acids, and several embryological features...."

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Science. ISSN 0036-8075 (print), 1095-9203 (online)