Mitochondrial and Nuclear Genes Suggest that Stony Corals Are Monophyletic but Most Families of Stony Corals Are Not (Order Scleractinia, Class Anthozoa, Phylum Cnidaria)
2008

Coral Family Relationships and Evolution

Sample size: 127 publication Evidence: high

Author Information

Author(s): Fukami Hironobu, Chen Chaolun Allen, Budd Ann F., Collins Allen, Wallace Carden, Chuang Yao-Yang, Chen Chienhsun, Dai Chang-Feng, Iwao Kenji, Sheppard Charles, Knowlton Nancy

Hypothesis

Are stony corals monophyletic, and how do their families relate to each other?

Conclusion

The study found that most families of stony corals are polyphyletic, indicating a need for taxonomic revisions.

Supporting Evidence

  • The study included a comprehensive analysis of 127 species across 75 genera and 17 families.
  • Molecular data indicated that traditional classifications of coral families are largely unsupported.
  • Eleven out of sixteen families analyzed were found to be polyphyletic.

Takeaway

Scientists studied many types of corals to see how they are related, and they found that many coral families are mixed up and need to be reclassified.

Methodology

The study analyzed 127 species of Scleractinia using mitochondrial and nuclear genes to assess phylogenetic relationships.

Potential Biases

Hybridization is unlikely to contribute to patterns at the family level or above.

Limitations

Geographic sampling was limited, with most species collected from a single location.

Statistical Information

P-Value

p<0.001

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1371/journal.pone.0003222

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