Summers, M. M.; Messing, C. G.; Rouse, G. W. (2014). Phylogeny of Comatulidae (Echinodermata: Crinoidea: Comatulida): A new classification and an assessment of morphological characters for crinoid taxonomy. Molecular Phylogenetics and Evolution. 80: 319-339.
Phylogeny of Comatulidae (Echinodermata: Crinoidea: Comatulida): A new classification and an assessment of morphological characters for crinoid taxonomy