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Coal Measures and Coal Mining in Iowa, including paleontology and a discussion on the coal formation; also the methods of mining by Russell T. Hartman, 1898

Coal Measures and Coal Mining in Iowa by Russell T. Hartman, 1898, Page 46

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45. multiples of four. [underlined][underlined]Paleocyelidae[/underlined][/underlined] [underlined]Baryphyllum aplatum[/underlined] Plate IV. figure 5 Hadrophyllum aplatus. Cummins, Second An. Rept. Tex. Geol. Sur., 1890, p. 552. Baryphyllum aplatum --, G. L. Hauser, Genera of Pal. Corals, 1892. Corallum lenticular or discoidal: under side marked by concentric wrinkles or plications of the epitheca; upper side convex instead of cup-shaped [inserted]as[/inserted] in most corals, fossette well defined from axis to margin; generally a sinus-like depression crossing the crest of teh coral at right angles to the fossette. Septa large extending from fossette to margin. Diameter 3/4 inch, length about 3/8 inch. Geol. position. -- Coal measures of Texas
 
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