Emended Restoration of Titanocrinus sumralli Guensburg and Sprinkle, 2003 (Echinodermata, Crinoidea)
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Abstract We provide clarification of the nature of the junction between cup and arms in Titanocrinus sumralli Guensberg and Sprinkle 2003, accompanied by an emended reconstruction. This morphological feature of so basal a species informs further phylogenetic studies.
[1] T. Guensburg,et al. Solving the Mystery of Crinoid Ancestry: New Fossil Evidence of Arm Origin and Development , 2009, Journal of Paleontology.