ECHINODERMATA - KU ScholarWorks - University of Kansas

BLASTOID STUDIES 133
(478) 1840, Ueber den Bau des Pentacrinus Caput Medusae:
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(479) 1843, Ueber den Bau des Pentacrinus Caput-
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(480) 1854, Cher den Bau der Echinodermen: Same,
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Munier-Chalmas, Ernest-Charles-Phillipe-Auguste
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Münster, Georg von
(482) 1838-1846, Beitriige zur Petrefactenkunde: Bayreuth,
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Nagler, Kurt, & Strand, Embrik
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&
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Neaverson, Ernest
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Nicollet, Joseph Nicolas
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FIGURE
EXPLANATION OF PLATE 50
PAGE
1-3. Metablastus varsouviensis (WoRTHEN), syntype, 1,885,
Illinois Geol, Survey, Worthen coll.; Mississippian, Warsaw
beds, Monroe County, Illinois; 1, anal view (X6.2);
2, oral view (X6.3); 3, "C" ambulacral view (X5.3) 82
4-9. Metablastus wortheni (HALL), plesiotype, one of four
specimens (figs. 4-6,9), and another unnumbered specimen
(fig. 7,8), Buffalo Soc, Nat. Sci.; Mississippian, Warsaw
Group, Boonville, Mo.; 4-6, oral, "D" arnbulacral, aboral
views (X6.3); 9, anal area (X22.2); 7, "B" ambulacrum
(X43); 8, polished cross section of "C" ambulacrum
showing four or five hydrospire folds on each side
of an ambulacrum, (X15) 82