. Bulletin - New York State Museum. Science. 226 NEW YORK STATE MUSEUM Genus bronteus Goldfuss [Ety.: mythologic name] (1839. Nova act. phys. nicd. cacs. Leo p. Carol. Nat. airios. 19 :36o) Dorsal shield broadly elliptic, with the cephalon less than one third the entire length; glabella rapidly expanding in front, with faint lobations. Thorax of 10 segments. Pygidium longer than cephalon or thorax, with a short axis and radiating furrows extend- ing from it across the broad limb. 'Margin generally Fig. 158 Bronteus niagarensis; pygidium Bronteus niagarensis Hall (Fig. 158) (1852. Pal.
. Bulletin - New York State Museum. Science. 226 NEW YORK STATE MUSEUM Genus bronteus Goldfuss [Ety.: mythologic name] (1839. Nova act. phys. nicd. cacs. Leo p. Carol. Nat. airios. 19 :36o) Dorsal shield broadly elliptic, with the cephalon less than one third the entire length; glabella rapidly expanding in front, with faint lobations. Thorax of 10 segments. Pygidium longer than cephalon or thorax, with a short axis and radiating furrows extend- ing from it across the broad limb. 'Margin generally Fig. 158 Bronteus niagarensis; pygidium Bronteus niagarensis Hall (Fig. 158) (1852. Pal. N. Y. 2:314, pi. 70) Distinguishing characters. Pygidium only known; broad and somewhat semicircular; short axis and from six to nine long curv- ing furrows or sulcations on either side of the center. Found in " a large fragment of limestone in che Niagara river below the Canada fall " (Hall). Order phyllocarida Packard^ Crustacea with the body composed of five cephalic, eight thoracic,, and two to eight abdominal segments. Head and thorax covered by a thin chitinous or semicalcareous single or bivalved shell or carapace. A narrow movable plate or rostrmn lies in front of the caparace. Two pairs of antennae and stalked compound eyes present. Thoracic segments with soft leaf-like legs. Abdomen often ending in spiniform telson, provided with lateral spines. ^This section was revised by Prof. John M. Clarke, -who also prepared the synopsis of species and 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; New York State Museum. Albany : New York State Education Dept
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