. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. i'lo. 5H0.—Meekella striatocostata. ventral view. Dorsal aiul ifegnnteria sequiradiala, see Rensselseria isquiradiata. cumberlandise, see Rensseheria cumber- landiae. elliptica, see Rensseheria elliptica. elnngata, see Amphigenia elongata. Iseris, see Rensseleeria laevis. mutabilis, see Rensselseria mutabilis. ovulis, see Rensselseria ovalis. oroides, see Rensselseria ovoides. snbtrigonalis, see Amphigenia elotTga
. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. i'lo. 5H0.—Meekella striatocostata. ventral view. Dorsal aiul ifegnnteria sequiradiala, see Rensselseria isquiradiata. cumberlandise, see Rensseheria cumber- landiae. elliptica, see Rensseheria elliptica. elnngata, see Amphigenia elongata. Iseris, see Rensseleeria laevis. mutabilis, see Rensselseria mutabilis. ovulis, see Rensselseria ovalis. oroides, see Rensselseria ovoides. snbtrigonalis, see Amphigenia elotTgata var. subtrigonalis. gue!<mn<t, see Rensselteria suessana. Meuista, Suess, 1851, Jahrb. Geol. Reichs. Austalt, vol. 2, p. 150. [Ety. meros, a part.] General form like Athyris, usu- ally mesial fold and sinus poorly de- fined ; the principal stems forming the s|)iral8 attach to the hinge plate, in- iline forward toward the interior of tie shell, then abruptly bend back- ward and make a curve facing the bot- tom of the dorsal valve, and, after con- verging to aViouthalf their length, again 'liverge toward the front and form the Fig. 5H1. — Meilsta bella. Dorsal and aiilerior view. bella. Hall, 1857, 10th Rep. N. Y. Nat. Hist., p. 92, and Pal. N. Y., vol. 3, p. 248, Low. Held. Gr. bisulcata, Vanuxem, 1843, (Atrvpa bisul- cata,) Geo. Rep. 3d Dist. N. Y., p. 112, and Pal. N. Y., vol. 3, p. 253, Low. Held. (Jr. elongata. Hall, 1859, (Camarium elonpi- tum,) Pal. N. Y., vol. 3, p. 488, Low. Held. Gr. houghtoni, Winchell, 1862, Proc. Acad. Nat. Sci., vol. 6, 2d ser., p. 407, Port- age Gr. Iiem, see Meristella Isevis. lata, Hall, 1859, Pal. N. Y., vol. 3, p. 431, Oriskany sandstone. lens, Winchell, 1866, Rep. Low. Penin. Mich., p. 94, Ham. Gr. meeki. Hall, 1857, 10th Rep. N. Y. St. Mus. Nat. Hist., p. 97, and Pal. N. Y., vol. 3, p. 252, Low. Held. < Jr. prince/is, see Meristella princeps. subquadrata. Hall, 1857, 10th Rep. N. Y. St. Mus. Nat. Hist., p. 93, and P
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