Table 6 Neuropeptide families identified in four species of the order Corallimorpharia: Amplexidiscus fenestrafer, Corynactis australis, Discosoma sp., and Ricordea yuma; two species of the order Zoantharia: Protopalythoa variabilis and Zoanthus sp.; and one species of the Ceriantharia subclass: Pachycerianthus borealis. Neuropeptide families # 1-5 always have multiple neuropeptide copies on their preprohomones. Sometimes there are two genes, which is indicated (highlighted in blue) in the last column. The preprohormone amino acid sequences are given in Additional file 1 to Additional file 5
