Register of Generic Names Under Which North American 
Species of Blastoids Have Been Described 
Ambolostoma Peck, 1920. 
Pan-American Geologist, vol. 54, p. 104. 
Carpenteroblastus Row ey, 1901. 
American Geologist, vol. 27, June, 1901, p. 347. 
Cidaroblastus, Hamsacu, 1903. 
Transactions, St. Louis Academy of Science, vol. 13, p. 45. 
Clavaeblastus, Hampacnu, 1903. 
Transactions, St. Louis Academy of Science, vol. 13, pp. 44-45. 
Codaster, McCoy, 1849. 
Annals and Magazine of Natural History, Series 2, vol. 3, p. 250. 
Condonites, MEEK and WorTHEN, 1869. 
Proceedings, Philadelphia Academy of Natural Sciences, p. 84. 
Cribroblastus, Hampacu, 1903. 
Transactions, St. Louis Academy of Science, vol. 13, pp. 39-42. 
Cryptoblastus, ETHERmCE and CARPENTER, 1886. 
Catalogue of the Blastoidea, British Museum, p. 229. 
Eleutheroblastus Hampacn, 1903. 
Transactions, St. Louis Academy of Science, vol. 13, p. 35. 
Elaeacrinus, RoEMer, 1851. 
Archiv. f. Naturgesch. Jahrg. XVII, Bd. 1, p. 375. 
Eleutherocrinus SHUMARD and YANDELL, 1856. 
Proceedings, Philadelphia Academy of Natural Sciences, vol. 8. 
p. 73. 
Globoblastus Hamspacu, 1903. 
Transactions, St. Louis Academy of Science, vol. 13, p. 46. 
Granatocrinus Troost, 1850. 
American Journal of Science, vol. 8, p. 420. 
Heteroschisma WacHsMuTH, 1883. 
Illinois Geological Survey, vol. 7, p. 352. 
Lophoblastus Row ey, 1901. 
American Geologist, vol. 27, June, 1901, p. 344. 
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