. Annual report of the Regents. New York State Museum; Science. Genera of the ]N'orth American Palaeozoic Bryozoa. 585 layers of growth; rarely parasitic, generally free with a radiately and concentrically striated epitheca on the lower side ; typically composed according to age of from one to many subequal parts, each part gently convex, with the cell apertures increasing in size from their margins to their centers; cell tubes with very infre- quent diaphragms and more numerous cystiphragms; mesopores numerous, closely tabulate ; surface with spiniform nodes. 1883.) Atacioporella, Ulrich. (Jo
. Annual report of the Regents. New York State Museum; Science. Genera of the ]N'orth American Palaeozoic Bryozoa. 585 layers of growth; rarely parasitic, generally free with a radiately and concentrically striated epitheca on the lower side ; typically composed according to age of from one to many subequal parts, each part gently convex, with the cell apertures increasing in size from their margins to their centers; cell tubes with very infre- quent diaphragms and more numerous cystiphragms; mesopores numerous, closely tabulate ; surface with spiniform nodes. 1883.) Atacioporella, Ulrich. (Jour. Gin. Soc. Nat. Hist., Yol. YI, p. 247. Type, Atacioporella typicalis^ Ulrich. Zoarium generally forming thin crusts over foreign bodies, rarely lobate or subramose; surface with monticules and very closely resembling some forms of Ceramoporella. 165. 166 167. 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
