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Platycrinites hemisphaericus

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Journal Article
Published: 01 September 2009
Journal of Paleontology (2009) 83 (5): 694–717.
... species assigned traditionally to Platycrinites , such as Platycrinites hemisphaericus ( Meek and Worthen, 1865 ) and Platycrinites saffordi ( Hall, 1858 ), require generic reassignment. A further major problem with generic concepts is that many North American species are known from only...
FIGURES
Journal Article
Published: 01 November 2014
Journal of Paleontology (2014) 88 (6): 1154–1162.
..., carbonate channel-fill deposits were dominated by advanced cladid crinoids and the camerate Elegantocrinus hemisphaericus , and green shale facies supported a fauna dominated by disparids and primitive cladid crinoids. Allochthonous facies contain neither distinctive nor exotic taxa. Thus, these transported...
FIGURES
Image
Figure  2 —Muldraugh Member crinoids.  1, 2, Mespilocrinus myllos  n. sp.; ...
Published: 01 November 2000
Figure 2 —Muldraugh Member crinoids. 1, 2, Mespilocrinus myllos n. sp.; 1, holotype, USNM 501640, crown with column, ×2.0; 2, holotype, USNM 501640, crown with proximal column, ×1.5. 3, Scytalocrinus robustus and Platycrinites hemisphaericus (two specimens partially crushed), USNM 501652
Image
Figure  2 —Platycrinitids with high basal circlets visible in lateral view....
Published: 01 September 2009
, 6 , Elegantocrinus hemisphaericus (Meek and Worthen, 1865c), USNM S 1410a; 5 , E-ray lateral view of calyx, note the platyceratid gastropod in the CD interray, ×2.0; 6 , tegmen view of theca, note that an anal tube or anal opening are absent from the tegmen and the extension downward from the CD
Journal Article
Published: 01 November 2000
Journal of Paleontology (2000) 74 (6): 1072–1082.
...Figure 2 —Muldraugh Member crinoids. 1, 2, Mespilocrinus myllos n. sp.; 1, holotype, USNM 501640, crown with column, ×2.0; 2, holotype, USNM 501640, crown with proximal column, ×1.5. 3, Scytalocrinus robustus and Platycrinites hemisphaericus (two specimens partially crushed), USNM 501652...
FIGURES
Journal Article
Published: 01 March 2013
Journal of Paleontology (2013) 87 (2): 312–340.
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