JOURNAL of PALEONTOLOGY VOL 91 | NO 4 | 2017 Progress in Echinoderm Paleobiology Samuel Zamora and Imran A. Rahman, Guest Editors


579 Samuel Zamora and Imran A. Rahman Progress in echinoderm paleobiology


582 Christopher R. C. Paul Testing for homologies in the axial skeleton of primitive echinoderms


604 Colin D. Sumrall New insights concerning homology of the oral region and ambulacral system plating of pentaradial echinoderms


618 Bradley Deline and James R. Thomka The role of preservation on the quantifi cation of morphology and patterns of disparity within Paleozoic echinoderms


633 Tobias B. Grun, Andreas Kroh, and James H. Nebelsick Comparative drilling predation on time-averaged phosphatized and nonphosphatized assemblages of the minute clypeasteroid echinoid Echinocyamus stellatus from Miocene offshore sediments (Globigerina Limestone Formation, Malta)


643 Zain Belaústegui, Fernando Muñiz, James H. Nebelsick, Rosa Domènech, and Jordi Martinell Echinoderm ichnology: bioturbation, bioerosion and related processes


662 Johnny A. Waters, Lyndsie E. White, Colin D. Sumrall, and Bonnie K. Nguyen A new model of respiration in blastoid (Echinodermata) hydrospires based on computational fl uid dynamic simulations of virtual 3D models


672 685 Elise Nardin, Bertrand Lefebvre, Oldr ˇich Fatka, Martina Nohejlová, Libor Kašic ˇka, Miroslav Šinágl,


and Michal Szabad Evolutionary implications of a new transitional blastozoan echinoderm from the middle Cambrian of the Czech Republic


Ninon Allaire, Bertrand Lefebvre, Elise Nardin, Emmanuel L.O. Martin, Romain Vaucher, and Gilles Escarguel Morphological disparity and systematic revision of the eocrinoid genus Rhopalocystis (Echinodermata, Blastozoa) from the Lower Ordovician of the central Anti-Atlas (Morocco)


715 Selina R. Cole, William I. Ausich, Jorge Colmenar, and Samuel Zamora Filling the Gondwanan gap: paleobiogeographic implications of new crinoids from the Castillejo and Fombuena formations (Middle and Upper Ordovician, Iberian Chains, Spain)


735 Mike Reich, James Sprinkle, Bertrand Lefebvre, Gertrud E. Rössner, and Samuel Zamora The fi rst Ordovician cyclocystoid (Echinodermata) from Gondwana and its morphology, paleoecology, taphonomy, and paleogeography


755 Sarah L. Sheffi eld and Colin D. Sumrall Generic revision of the Holocystitidae of North America (Diploporita, Echinodermata) based on universal elemental homology


767 Jeffrey R. Thompson, Elizabeth Petsios, and David J. Bottjer A diverse assemblage of Permian echinoids (Echinodermata, Echinoidea) and implications for character evolution in early crown group echinoids


781 Timothy A.M. Ewin and Ben Thuy Brittle stars from the British Oxford Clay: unexpected ophiuroid diversity on Jurassic sublittoral mud bottoms


799 David F. Wright Bayesian estimation of fossil phylogenies and the evolution of early to middle Paleozoic crinoids (Echinodermata)


815 Selina R. Cole Phylogeny and morphologic evolution of the Ordovician Camerata (Class Crinoidea, Phylum Echinodermata)


829 David F. Wright, William I. Ausich, Selina R. Cole, Mark E. Peter, and Elizabeth C. Rhenberg Phylogenetic taxonomy and classifi cation of the Crinoidea (Echinodermata)


847 Jennifer E. Bauer, Colin D. Sumrall, and Johnny A. Waters Hydrospire morphology and implications for blastoid phylogeny


Cambridge Core For further information about this journal please go to the journal website at: cambridge.org/jpa


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