Revised Phylogeny and Functional Interpretation of the Edrioasteroidea Based on New Taxa from the Early and Middle Ordovician of Western UtahJames Sprinkle, Field Museum of Natural History, Thomas Edgar Guensburg · First published 2018Open the Tome
The oldest known crinoids (early Ordovician, Utah) and a new crinoid plate homology systemThomas Edgar Guensburg · First published 2003Open the Tome
The Ibexian Series (Lower Ordovician), a replacement for "Canadian Series" in North American chronostratigraphyReuben James Ross, James Sprinkle, Thomas Edgar Guensburg · First published 1993Open the Tome
Glaucocrinus falconeri, Parks and Alcock, 1912 (Crinoidea) and its systematic statusThomas Edgar Guensburg · First published 1992Open the Tome
Echinodermata of the Middle Ordovician Lebanon limestone, central TennesseeThomas Edgar Guensburg · First published 1984Open the Tome