Revision of Lithostrotionella - USGS
Revision of Lithostrotionella - USGS
Revision of Lithostrotionella - USGS
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PLATE 7<br />
[All figures x 4)<br />
FIGURES 1, 2. Acrocyathu.s floriformis jloriformis d'Orbigny? (p. 17).<br />
USNM 174377 (paratype <strong>of</strong> <strong>Lithostrotionella</strong> castelnaui Hayasaka). <strong>USGS</strong> 3946-PC (green), unknown locality, probably St.<br />
Louis Limestone, Mississippi Valley region.<br />
1. Transverse thin section, USNM 174377a.<br />
2. Longitudinal thin section (cut slightly <strong>of</strong>f axis <strong>of</strong> corallite), USNM 174377b.<br />
3, 4. Acrocyathu.s floriformis floriformis d'Orbigny (p. 17).<br />
USNM 120235 (holotype <strong>of</strong> <strong>Lithostrotionella</strong> castelnaui Hayasaka). <strong>USGS</strong> Loc. 499-PC, St. Louis Limestone, Illinois.<br />
3. Longitudinal thin section, USNM 120235c.<br />
4. Transverse thin section, USNM 120235a.
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