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Paulicystis
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1-12 OF 12 RESULTS FOR
Paulicystis
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Image
Broad, thin-walled attachment structure attributable to Paulicystis sp....
in Diploporite (Echinodermata, Blastozoa) Thecal Attachment Structures from the Silurian of Southeastern Indiana
> Journal of Paleontology
Published: 01 January 2014
Figure 4 Broad, thin-walled attachment structure attributable to Paulicystis sp. indet. (CMC IP 69526) clearly showing central plate surrounded by seven bordering plates, all pierced by pores and set within inner parabolic, depressed area, ×3.
Image
Thecal attachment structures of Paulicystis that experienced ...
in Taphonomy of diploporite (Echinodermata) holdfasts from a Silurian hardground, southeastern Indiana, United States: palaeoecologic and stratigraphic significance
> Geological Magazine
Published: 19 September 2013
Figure 5. Thecal attachment structures of Paulicystis that experienced
differing amounts of weathering prior to final burial. (a) Holdfast (CMC IP 69530)
with eight clearly recognizable component plates comprising the margin, but a
central cavity
Journal Article
Diploporite (Echinodermata, Blastozoa) Thecal Attachment Structures from the Silurian of Southeastern Indiana
Journal: Journal of Paleontology
Publisher: Paleontological Society
Published: 01 January 2014
Journal of Paleontology (2014) 88 (1): 179–186.
...Figure 4 Broad, thin-walled attachment structure attributable to Paulicystis sp. indet. (CMC IP 69526) clearly showing central plate surrounded by seven bordering plates, all pierced by pores and set within inner parabolic, depressed area, ×3. ...
Journal Article
Generic revision of the Holocystitidae of North America (Diploporita, Echinodermata) based on universal elemental homology
Journal: Journal of Paleontology
Publisher: Paleontological Society
Published: 07 March 2017
Journal of Paleontology (2017) 91 (4): 755–766.
... Paul, 1971 ; Pustulocystis Paul, 1971 ; Brightonicystis Paul, 1971 ; Osgoodicystis Frest and Strimple, 2011; and Paulicystis Frest and Strimple, 2011 in Frest et al., 2011 (taxa used within this study are listed in Table 1 ). These genera were based on major variations in the morphology...
Image
Well-preserved examples of the two diploporite attachment structure morphot...
in Taphonomy of diploporite (Echinodermata) holdfasts from a Silurian hardground, southeastern Indiana, United States: palaeoecologic and stratigraphic significance
> Geological Magazine
Published: 19 September 2013
69526). This structure has been attributed to Paulicystis . (b)
Thick-walled, multi-plated holdfast with radiating canals, pores and stereomic
overgrowth of plate contacts (CMC IP 69527). The generic identity of these structures
is currently unknown. Scale bars
Journal Article
Taphonomy of diploporite (Echinodermata) holdfasts from a Silurian hardground, southeastern Indiana, United States: palaeoecologic and stratigraphic significance
Journal: Geological Magazine
Publisher: Cambridge University Press
Published: 19 September 2013
Geological Magazine (2014) 151 (4): 649–665.
...Figure 5. Thecal attachment structures of Paulicystis that experienced
differing amounts of weathering prior to final burial. (a) Holdfast (CMC IP 69530)
with eight clearly recognizable component plates comprising the margin, but a
central cavity...
Image
Diplopore-bearing taxa utilized within this phylogenetic analysis. The orig...
in The phylogeny of the Diploporita: a polyphyletic assemblage of blastozoan echinoderms
> Journal of Paleontology
Published: 01 July 2019
., 2017 Sphaeronitida Laurentia Holocystites scutellus Hall, 1861 Sphaeronitida Laurentia Paulicystis sparsus Paul, 1971 Sphaeronitida Laurentia Pentacystis gibsoni Paul, 1971 Sphaeronitida Laurentia Pustulocystis pentax Paul, 1971 Sphaeronitida Laurentia
Journal Article
Late Ordovician (Hirnantian) diploporitan fauna of Anticosti Island, Quebec, Canada: implications for evolutionary and biogeographic patterns
Journal: Canadian Journal of Earth Sciences
Publisher: Canadian Science Publishing
Published: 06 December 2017
Canadian Journal of Earth Sciences (2018) 55 (1): 1–7.
... in Pustulocystis ) or the paedomorphic reduction of the A ambulacrum (e.g., Paulicystis and Trematocystis ; Sumrall and Wray 2007 ). Frest et al. (2011) suggested that more derived taxa within the holocystitids underwent these changes throughout their evolutionary history. Fig. 2. Plating patterns...
Image
Representative specimens within Diploporita. Diploporita encompasses wide m...
in The phylogeny of the Diploporita: a polyphyletic assemblage of blastozoan echinoderms
> Journal of Paleontology
Published: 01 July 2019
plates (SUI 97598) ( 2 ) Paulicystis densus Frest, Strimple, and Paul, 2011 (Sphaeronitida), characterized by a large mouth, proximal thecal plates modified into comparatively large brachiole facets, and humatipore respiratory structures (SUI 48164). ( 3 ) Gomphocystites indianensis
Journal Article
The phylogeny of the Diploporita: a polyphyletic assemblage of blastozoan echinoderms
Journal: Journal of Paleontology
Publisher: Paleontological Society
Published: 01 July 2019
Journal of Paleontology (2019) 93 (4): 740–752.
...., 2017 Sphaeronitida Laurentia Holocystites scutellus Hall, 1861 Sphaeronitida Laurentia Paulicystis sparsus Paul, 1971 Sphaeronitida Laurentia Pentacystis gibsoni Paul, 1971 Sphaeronitida Laurentia Pustulocystis pentax Paul, 1971 Sphaeronitida Laurentia...
Journal Article
Testing for homologies in the axial skeleton of primitive echinoderms
Journal: Journal of Paleontology
Publisher: Paleontological Society
Published: 20 February 2017
Journal of Paleontology (2017) 91 (4): 582–603.
... family Holocystitidae ( Paulicystis Frest and Strimple, 2011 in Frest et al., 2011 ) and in paracrinoids ( Malocystites Billings, 1858 ). Rhombiferans, diploporites, and paracrinoids differ by so many other characters that recumbent ambulacra are likely to have evolved independently in each. Bockelie...
Journal Article
New insights concerning homology of the oral region and ambulacral system plating of pentaradial echinoderms
Journal: Journal of Paleontology
Publisher: Paleontological Society
Published: 10 May 2017
Journal of Paleontology (2017) 91 (4): 604–617.
... ) the coronate Stephanocrinus ; ( 8 ) the blastoid Pentremites ; ( 9 ) the crinoid Hybocrinus ; ( 10 ) the paracrinoid Implicaticystis ; ( 11 ) the diploporitan Paulicystis. A–E=ambulacral designations; O1–O7=oral plates (shaded); 1–5=primary peristomial cover plates; L=first left floor plate; hp=hydropore...