. Bulletin of the Buffalo Society of Natural Sciences. Natural history; Science. 245 rays, with smaller intermediate ones on the left valve; con- centric striae; and a few obsolete i-ays on the right valve. Fonnd in the Stictopora and Demissa beds (rather com- mon); in the shale, down to twelve feet below the En- crinal limestone, at Sections 6 and 7 (rare); in the shale below the Nautilus bed, in Averv's Creek (rare); and at "Hamburg and elsewhere on Lake Erie ; (Hall.) Genus ACTIN0PTERL4. Hall. [Ety. : Aktin, a ray ; 2'>f('>'f'>t. "wing.] (1884 : Pal. N. Y., Vol
. Bulletin of the Buffalo Society of Natural Sciences. Natural history; Science. 245 rays, with smaller intermediate ones on the left valve; con- centric striae; and a few obsolete i-ays on the right valve. Fonnd in the Stictopora and Demissa beds (rather com- mon); in the shale, down to twelve feet below the En- crinal limestone, at Sections 6 and 7 (rare); in the shale below the Nautilus bed, in Averv's Creek (rare); and at "Hamburg and elsewhere on Lake Erie ; (Hall.) Genus ACTIN0PTERL4. Hall. [Ety. : Aktin, a ray ; 2'>f('>'f'>t. "wing.] (1884 : Pal. N. Y., Vol. Y., Pt. I., p. xii.) "Characterized from Pterinea in the absence of a broad, striated ligamental area, and strong cardinal and lateral teeth. Right valve sulvconvex ; surface with fine ;. ?»**'. 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 Buffalo Society of Natural Sciences. Buffalo, N. Y. : Buffalo Society of Natural Sciences
Size: 1812px × 1380px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1870, books, booksubjectnaturalhistory
