. The Devonian of Missouri. Geology; Geology, Stratigraphic; Paleontologie; Devoon. 3-7. Fig. 8. Sections of Cranaena iowensis Hall. Cranaena iowensis Hall. Section of a brachial valve showing the extent of the loop. Cranaena iowensis Hall. Cross-section of the pedicle valve in front of the median septum and behind the beak of the brachial valve. Cranaena iowensis Hall. Cross-sections of a brachial valve 33 mm. long 3 mm., 4 mm., mm., 7 mm. and 8 mm. from the beak. Cranaena romingeri (Hall) Plate 20, figures 17-19 1863. Terebratula romingeri Hall, 16th Rep. New York State Cab. Nat. Hist.,


. The Devonian of Missouri. Geology; Geology, Stratigraphic; Paleontologie; Devoon. 3-7. Fig. 8. Sections of Cranaena iowensis Hall. Cranaena iowensis Hall. Section of a brachial valve showing the extent of the loop. Cranaena iowensis Hall. Cross-section of the pedicle valve in front of the median septum and behind the beak of the brachial valve. Cranaena iowensis Hall. Cross-sections of a brachial valve 33 mm. long 3 mm., 4 mm., mm., 7 mm. and 8 mm. from the beak. Cranaena romingeri (Hall) Plate 20, figures 17-19 1863. Terebratula romingeri Hall, 16th Rep. New York State Cab. Nat. Hist., p. 48, figs. 22 and 23. 1867. Terebratula romingeri Hall, Pal. New York, IV, pt. 1, p. 389, pi. 60, figs. 17-25, 66, 67. 1889. Terebratula romingeri Nettleroth, Kentucky Fossil Shells Monograph, Kentucky Geol. Survey, pp. 155-156, pi. 16, figs. 20-22. 1894. Cranaena romingeri Hall and Clarke, Pal. New York, VIII, pt. 2, p. 297, fig. 215; pi. 80, figs. 13-19. 1897. Cranaena romingeri Schuchert, U. S. G. S. Bull. 87, p. 188. 1901. Cranaena romingeri Kindle, Indiana Dept. Geol. Nat. Res., 25th Ann. Rept., pp. 660-661, pi. 12, figs. 4 and 4a. 1909. Dielasma romingeri Grabau and Shimer, North American Index Fossils, I, p. 302, figs. 376a-c. Hall's description—"Shells ovate, more or less gibbous, truncate or slightly sinuate in front. Ventral valve gibbous above the middle; umbo gibbous, inflated; beak promi- nent, incurved over the opposite beak, and truncated by a round foramen which is often mainly anterior to the apex, and completed on the lower side by two deltidial plates; cardinal slopes rounded, often depressed in the middle towards the front. Dorsal valve extremely gibbous, little longer than wide; the greatest convexity at the middle or Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Brans


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Keywords: ., bookcentury1900, bookdecade1920, booksubjectgeology, bookyear1922