Author Contributions
Lynne M. Christianson designed the study, primers, collected, amplified
and sequenced most of the ctenophores, and helped draft the manuscript.
Shannon B. Johnson helped to amplify and sequence some of the
ctenophores, performed statistical analyses, and drafted the manuscript.
Darrin T. Schultz provided valuable specimens, transcriptomic data,
mitochondrial sequences, and edited the manuscript. Steven H.D. Haddock
helped conceive the study, provided specimens, funding, transcriptomic
data, performed statistical analyses and helped to draft the
manuscript.