REFERENCES 



65 



This species is distinguished by its con- 

 cave venter and the absence of the thick- 

 ened margin in the middle of the venter. 

 Its form ratio of 2.25 is intermediate be- 

 tween M. elongatus n. sp. and M. rhomboi- 

 dalis (Croneis and Bristol). 



MOORITES RHOMBOIDALIS 



(Croneis and Bristol) 



Plate 14, figures 30-31 



Youngiella rhomhoidalis Croneis and Bristol, 

 1939, Jour. Paleontology, vol. 34, p. 100, pi. 3, 

 fig. 23, Menard formation. 



Length, 0.50 mm; height, 0.25 mm; 

 thickness, 0.20 mm. 



Renault formation, locality 9, rare ; Paint 

 Creek formation, locality 18, rare; Gol- 

 conda formation, locality 19, common; Glen 

 Dean formation, locality 1, rare; Vienna 

 formation, locality 10, common; Menard 

 formation, locality 7, rare; Clore formation, 

 locality 28, depth 689-94 feet, common ; 

 Kinkaid formation, locality 5, rare. 



This distinctive species, having a form 

 ratio of 2.14, with slightly convex, subpar- 

 allel sides, and a distinctly elevated rim 

 around the free margins, has been recog- 

 nized in all marine Chester formations in 

 Illinois, the Reynolds of West Virginia 

 and the Fayetteville of Oklahoma and 

 Arkansas. 



REFERENCES 



Adams, G. I. and Ulrich, E. O., Zinc and lead 

 deposits of northern Arkansas: U. S. Geol. 

 Survey, Prof. Paper 24, 1904. 



Adams. G. I. and Ulrich, E. O., U. S. Geol. Sur- 

 vey, Geol. Atlas (Fayetteville Folio) No. 

 119, 1905. 



Bassler, R. S. and Kellett, Betty, Bibliographic 

 index of Paleozoic Ostracoda: Geol. Soc. 

 Am., Spec. Paper 1, 1934. 



Branson, E. B. and Greger, D. K., Amsden for- 

 mation of the east slope of the Wind River 

 Mountains of Wyoming and its fauna: 

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 1918. 



Coryell, H. N. and Johnson, Samuel C, Ostra- 

 coda of the Clore limestone: Jour. Paleon- 

 tology, vol. 13, pp. 214-224, pis. 25, 26, 

 1939. 



Coryell, H. N. and Sohn, I. G., Ostracoda from 

 the Mauch Chunk, Mississippian, of West 

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Croneis, Carey, Geology of the Arkansas Paleo- 

 zoic area: Arkansas Geol. Survey, Bull. 3, 

 1930. 



Croneis, Carey and Bristol, Hubert M., New 

 ostracodes from the Menard formation: 

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 34, pp. 65-102, pis. 3, 4, 1939. 



Croneis, Carey and Funkhouser, Harold J., 

 New ostracodes from the Clore formation: 

 idem. vol. 33, pp. 331-360, pis. 9, 10, 1938. 



Croneis, Carey and Gale, Arthur S., Jr., New 

 ostracodes from the Golconda formation: 

 idem., vol. 33, pp. 251-295, pis. 5, 6, 1938. 



Croneis, Carey and Gutke, Ralph L., New os- 

 tracodes from the Renault formation: 

 idem., vol. 34, pp. 33-63, pis. 1, 2, 1939. 



Croneis, Carey and Thurman, Franklin A., 

 New ostracodes from the Kinkaid forma- 

 tion: idem., vol. 33, pp. 297-330, pis. 7, 8, 

 1938. 



Darton, N. H., Comparison of the stratigraphy 

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 and Rocky Mountain Front Range: Bull. 

 Geol. Soc. Am., vol. 15, pp. 394-401, 1904. 



Geis, H. L., Some ostracodes from the Salem lime- 

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Girty, George H., New genera and species of 

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 shale of Arkansas: Ann. New York Acad. 

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Harlton, Bruce H., Some upper Mississippian 

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Kellett, Betty, Ostracodes of the upper Pennsyl- 

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Kellett, Betty, Ostracodes of the upper Pennsyl- 

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Knight, J. B., Some Pennsylvanian ostracodes 

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Latham, Mary A., Scottish Carboniferous Ostra- 

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Morey, Philip S., Ostracoda from the Amsden 

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Reger, David B., Mercer, Monroe and Summers 

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