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Blastozoa

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Journal Article
Journal: Paleobiology
Published: 01 May 2021
Paleobiology (2021) 47 (2): 221–235.
... possess rhombs (Sprinkle 1973 ), but recent work has determined that many of these structures appear multiple times within Blastozoa, making the features homoplastic rather than homologous (see Sheffield and Sumrall 2019 ). Eublastoidea has traditionally been separated into two major orders...
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Journal Article
Published: 10 May 2017
Journal of Paleontology (2017) 91 (4): 685–714.
...Ninon Allaire; Bertrand Lefebvre; Elise Nardin; Emmanuel L.O. Martin; Romain Vaucher; Gilles Escarguel Abstract The genus Rhopalocystis (Eocrinoidea, Blastozoa) is characterized by both a short stratigraphic range (Fezouata Shale, middle Tremadocian to middle Floian, Lower Ordovician) and a reduced...
Journal Article
Published: 03 March 2016
Geological Magazine (2017) 154 (3): 465–475.
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Journal Article
Published: 01 January 2014
Journal of Paleontology (2014) 88 (1): 179–186.
... attachment was cemented. D iploporite “cystoids” (Echinodermata, Blastozoa) are relatively rare in the Silurian of North America, where non-gomphocystitid diploporites are restricted exclusively to the Wenlock age Holocystites fauna of the Cincinnati Arch and upper midwestern regions ( Paul, 1971...
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Journal Article
Published: 01 November 2012
Journal of Paleontology (2012) 86 (6): 956–972.
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Journal Article
Published: 01 March 1993
Journal of Paleontology (1993) 67 (2): 309.
Image
Echinoderm phylogenetic hypotheses with crinoids and <span class="search-highlight">Blastozoa</span> in a single ...
Published: 01 May 2016
Figure 3. Echinoderm phylogenetic hypotheses with crinoids and Blastozoa in a single clade. A: Paul and Smith (1984) . B: Sumrall (1997) ; note terminal taxon, Crinozoa, includes crinoids, paracrinoids, glyptocystitids, blastoids, and other Blastozoa.
Image
Echinoderm phylogenetic hypotheses with crinoids and <span class="search-highlight">Blastozoa</span> separate. A:...
Published: 01 May 2016
Figure 2. Echinoderm phylogenetic hypotheses with crinoids and Blastozoa separate. A: Crinoids derived from edrioasteroids separately from blastozoans ( Guensburg and Sprinkle, 2001 , 2009 ). B: Crinoids more closely related to other living echinoderm clades than to blastozoans ( David et al
Journal Article
Journal: Geology
Published: 01 May 2016
Geology (2016) 44 (5): 379–382.
...Figure 3. Echinoderm phylogenetic hypotheses with crinoids and Blastozoa in a single clade. A: Paul and Smith (1984) . B: Sumrall (1997) ; note terminal taxon, Crinozoa, includes crinoids, paracrinoids, glyptocystitids, blastoids, and other Blastozoa. ...
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Journal Article
Published: 10 May 2017
Journal of Paleontology (2017) 91 (4): 579–581.
.... References Allaire N. , Lefebvre B. , Nardin E. , Martin E.L.O. , Vaucher R. , and Escarguel G. , 2017 , Morphological disparity and systematic revision of the eocrinoid genus Rhopalocystis (Echinodermata, Blastozoa) from the Lower Ordovician of the central...
Journal Article
Journal: Paleobiology
Published: 01 May 2021
Paleobiology (2021) 47 (2): f1–f4.
... Estimating dispersal and evolutionary dynamics in diploporan blastozoans (Echinodermata) across the great Ordovician biodiversi cation event Adriane R. Lam, Sarah L. Shef eld, and Nicholas J. Matzke Paleobiogeography, paleoecology, diversity, and speciation patterns in the Eublastoidea (Blastozoa...
Journal Article
Published: 01 January 2015
Journal of Paleontology (2015) 89 (1): 189–193.
.... , and Waters J.A. , 2012 , Universal elemental homology in glyptocystitoids, hemicosmitoids, coronoids and blastoids: Steps toward echinoderm phylogenetic reconstruction in derived blastozoa : Journal of Paleontology , v. 86 , p. 956 – 972...
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Journal Article
Journal: Geology
Published: 01 February 2001
Geology (2001) 29 (2): 131–134.
... , : in Lankester , E.R. , ed., A treatise on zoology, Part 3 : London , Adam and Charles Black p. 1 – 216 . Bockelie , J.F. , 1982 , Symmetry and ambulacral pattern of the rhombiferan superfamily Caryocystidida and the relationship to other Blastozoa : Geologiska Foreningens i Stockholm...
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Journal Article
Published: 01 July 2019
Journal of Paleontology (2019) 93 (4): 740–752.
.... , Strimple , H.L. , and Paul , C.R.C. , 2011 , The North American Holocystites fauna (Echinodermata: Blastozoa: Diploporita): paleobiology and systematics : Bulletins of American Paleontology , v. 380 , 141 p. Gelman , A. , 2013 , Commentary: p values and statistical practice...
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Journal Article
Published: 10 May 2017
Journal of Paleontology (2017) 91 (4): 662–671.
... Copyright © 2017, The Paleontological Society 2017 The Paleontological Society. All rights reserved Blastoids are the longest lived and most diverse members of the Blastozoa, a major component of the Great Ordovician Biodiversification Event (Sprinkle and Guensburg, 2004 ). They are important...
Journal Article
Journal: Paleobiology
Published: 01 January 2000
Paleobiology (2000) 26 (4): 529–555.
..., stems never comprise axial elements, and never occur on the oral surface. Arms and brachioles are body extensions participating in the support of elements of the water vascular system. Stems, arms, and brachioles are particularly important structures in two major echinoderm clades, the Blastozoa...
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Journal Article
Published: 01 March 2021
Journal of Paleontology (2021) 95 (2): 320–326.
.... , 2011 , The North American Holocystites fauna (Echinodermata, Blastozoa: Diploporita): paleobiology and systematics : Bulletins of American Paleontology , v. 380 , 141 p. Kluessendorf , J. , 1983 , Observations on the commensalism of Silurian platyceratid gastropods and stalked...
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Journal Article
Published: 01 September 2001
Journal of Paleontology (2001) 75 (5): 985–992.
... of Pelmatozoa (work is in progress). Because there is much confusion concerning the diagnostic characteristics of the clades of flattened Blastozoa, a general review of these clades follows. In particular, major differences occur in thecal construction, ambulacral arrangement, stem development, and plane...
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Journal Article
Published: 01 May 2023
Journal of Paleontology (2023) 97 (3): 631–638.
... , Universal elemental homology in glyptocystitoids, hemicosmitoids, coronoids and blastoids: steps toward echinoderm phylogenetic reconstruction in derived blastozoa : Journal of Paleontology , v. 86 , p. 956 – 972 . Ubaghs , G. , 1975 , Early...
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Journal Article
Published: 07 March 2017
Journal of Paleontology (2017) 91 (4): 755–766.
... Blastozoa Sprinkle, 1973 Class Diploporita Müller, 1854 Superfamily Sphaeronitida Neumayr, 1889 Family Holocystitidae Miller, 1889 Holocystites Hall, 1861 29 11 2016 Copyright © 2017, The Paleontological Society 2017 The Paleontological Society...