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. Bibcode:2014MolPE..80..319S. doi:10.1016/j.ympev.2014.06.030. PMID25065346.
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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. Bibcode:2014MolPE..80..319S. doi:10.1016/j.ympev.2014.06.030. PMID25065346.
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. Bibcode:2014MolPE..80..319S. doi:10.1016/j.ympev.2014.06.030. PMID25065346.