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Science. 1995 Mar 17;267(5204):1641-3.

Evidence from 18S ribosomal DNA that the lophophorates are protostome animals.

Author information

  • 1Department of Zoology, University of Texas, Austin 78712.

Erratum in

  • Science 1995 Apr 28;268(5210):485.

Abstract

The suspension-feeding metazoan subkingdom Lophophorata exhibits characteristics of both deuterostomes and protostomes. Because the morphology and embryology of lophophorates are phylogenetically ambiguous, their origin is a major unsolved problem of metazoan phylogenetics. The complete 18S ribosomal DNA sequences of all three lophophorate phyla were obtained and analyzed to clarify the phylogenetic relationships of this subkingdom. Sequence analyses show that lophophorates are protostomes closely related to mollusks and annelids. This conclusion deviates from the commonly held view of deuterostome affinity.

Comment in

  • 18S rDNA from lophophorates. [Science. 1995]
  • Lophophorate phylogeny. [Science. 1996]
PMID:
7886451
[PubMed - indexed for MEDLINE]
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