. Annual report of the Regents. New York State Museum; Science. Fig. 125 Whitfieldella oblata defined beak; nearly equally conVex valves; central groove on pedicle valve and slight elevation on brachial valve; surface marked only by lines of growth. Found in the upper Medina sandstone at Niagara. Also at Lockport (Hall). Whitfieldella intermedia Hall (Fig. 126). Atrypa intermedia Hall (1852. Pal. N. Y. 2:77, pi. 24) Distinguishing characters. Obovate; rapidly expanding to front, which is abruptly rounded; length and width nearly equal; convex near beak, flatter toward front; slight frontal sin
. Annual report of the Regents. New York State Museum; Science. Fig. 125 Whitfieldella oblata defined beak; nearly equally conVex valves; central groove on pedicle valve and slight elevation on brachial valve; surface marked only by lines of growth. Found in the upper Medina sandstone at Niagara. Also at Lockport (Hall). Whitfieldella intermedia Hall (Fig. 126). Atrypa intermedia Hall (1852. Pal. N. Y. 2:77, pi. 24) Distinguishing characters. Obovate; rapidly expanding to front, which is abruptly rounded; length and width nearly equal; convex near beak, flatter toward front; slight frontal sinuosity; faint growth lines. -r^ 1 • . 1 /--1 • 1 1 Fig. 126 Whitfieldella Intermedia round m the Clinton lenses and lowest Clinton shales at Niagara. Also in the upper Clinton lime- stone at Lockport (Hall). Whitfieldella cylindrica Hall (Fig. 127). Atrypa cylin- dr i c a Hall (1852. Pal. N. Y. 2:76, pi. 24). 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 New York State Museum; University of the State of New York. Board of Regents. Albany : J. B. Lyon, State Printer
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Keywords: ., bookauthorne, bookcentury1800, bookdecade1880, booksubjectscience
