Greger-Eublastoidea 131 
Cribroblastus sayi (SHUMARD), HAMBACH. 
1903, Transactions, St. Louis Academy of Science, vol. 13, p. 42, 
pl. 5, fig. 14. 
Cribroblastus schucherti HamsBacn. 
1903, era a sg _ Louis Academy of Science, vol. 13, pp. 
59-60, p. 5, 
SI a ce ae between Ross Fork and Lincoln 
Valley, Montana 
Cribroblastus shumardi (MEEK and WortHeN), HAMBACH. 
1903, Transactions, St. Louis Academy of Science, vol. 13, p. 42. 
Cribroblastus tenuis HAamBacu. 
1903, Transactions, St. Louis Academy of Science, vol. 13, p. 63, 
pl. 5, figs 17a 
Chae Tau Pettis County, Missouri. 
Cribroblastus tenuistriatus HamBacu. 
1903, Transactions, St. Louis ee of Science, vol. 13, p. 59, 
pl. 5, fig. 16. 
Burlington limestone; Coane County, Missouri. 
Cribroblastus verrucosus HAMBACH. 
1903, Transactions, St. Louis Academy of Science, vol. 13, pp. 
58-59, pl. 5, fig. 3. 
Burlington limestone; Allenton, St. Louis County, Missouri. 
CRYPTOBLASTUS 
Cryptoblastus kirkwoodensis (SHUMARD), KEYES. 
1894, Missouri Geological Survey, Pal. vol. 4, p. 139, pl. 18, 
figs. 8 a-b 
St. Louis limestone; Kirkwood, St. Louis County, Missouri. 
Cryptoblastus melo O. and S., Keyes. 
1894, Missouri Geological Survey, vol. 4, p. 139, pl. 18, figs. 
Lower Burlington limestone; Sedalia, Louisiana and Hannibal, 
Cryptoblastus melo (O. and S.), ROWLEY. 
1905, American Geologist, vol. 35, 1905, p. 301, p. 21, figs. 2, 3. 
Lower Burlington limestone, Louisiana, Pike County, Missouri. 
pa Lome er melo (O. and S.), Van TUYL. 
1922, Iowa Geological Survey, vol. 30, pl. 4, figs. 5-6. 
Hal ieee limestone; Burlington, Iowa. 
