. Bulletin - New York State Museum. Science. NIAGARA FALLS AND VICINITY I39 Genus chonophyllum Edwards & Haime [Ety.: x'>vo9, a funnel; cpoXXov, a leaf (septum) ] (1850. British fossil corals, p. 69) Corallum simple, chiefly consisting of a series of funnel-shaped tabulae, set one into the other. On the surfaces of these, equally developed septal radii extend from center to circumference; no walls or columella. Chonophyllum niagarense Hall (Fig. 32) ... ^ (1852. Fa/. TV. :114, pi. 32) . ;.'• 'v^ Distinguishing characters. Irregularly "- /- cylindric, elongated or subturbinate fo
. Bulletin - New York State Museum. Science. NIAGARA FALLS AND VICINITY I39 Genus chonophyllum Edwards & Haime [Ety.: x'>vo9, a funnel; cpoXXov, a leaf (septum) ] (1850. British fossil corals, p. 69) Corallum simple, chiefly consisting of a series of funnel-shaped tabulae, set one into the other. On the surfaces of these, equally developed septal radii extend from center to circumference; no walls or columella. Chonophyllum niagarense Hall (Fig. 32) ... ^ (1852. Fa/. TV. :114, pi. 32) . ;.'• 'v^ Distinguishing characters. Irregularly "- /- cylindric, elongated or subturbinate form, .' < more or less expanding above; deep and , ''a regularly concave calyx; thin denticulate ,^^^ septal ridges, which are separated by a space equal to their width; rough external surface of weathered specimens. „. „„^, , „ V Fig. 32 Chonophyllum niagarense TT'jijr 1 i',ii , r with enlargement of interior of Hitherto found only m the lower part of caiyx the Lockport limestone at Lockport, but probably also occuring at Niagara. Genus diplophyllum Hall [Ety.: dcTvXoog, double; ^uUov, septum] (1852. Pal. N. Y. 2:115) Corallum simple and branching, or forming compound masses of loosely aggregated corallites which are cylindric, consisting of two distinct parts separated by an accessory wall, the inner transversely septate, the outer with fine transverse dissepiments uniting the septa which are continuous to the center. Calyxes deeply concave in the •center, and separated from the outer portion by a distinct rim. Diplophyllum caespitosum Hall (Fig. 33) (1852. Pal. N. Y. 2:116, pi. 33) Distinguishing characters. Subturbinate young, and cylindric adult corallites, which coalesce at intervals and increase by lateral Thudding; cespitose or aggregated into large masses which often grow from a single base; strongly costate exterior; numerous thin -septa, all of w^hich reach the Please note that these images are extracted from scanned page images that may have b
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectscience, bookyear1887
