. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. 755 Prod. Productella striatula, Hall, Pal. N. Y., Vol. 4,1867, page. FalMI, VolJV J^. 177. 148, 177, plate 25, ligs. 14 to 21. Chemung, For the internal difference between this and P, onusta^ see the wood cuts on page 148 given by Hall in his discussion of the genera Fro- ductus and Strophalosia. He calls P, striatula a neat and well marked species, more delicate than P. rarispina^ and with'slender spines; shell thin and easily exfoliated, exposing then a fi


. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. 755 Prod. Productella striatula, Hall, Pal. N. Y., Vol. 4,1867, page. FalMI, VolJV J^. 177. 148, 177, plate 25, ligs. 14 to 21. Chemung, For the internal difference between this and P, onusta^ see the wood cuts on page 148 given by Hall in his discussion of the genera Fro- ductus and Strophalosia. He calls P, striatula a neat and well marked species, more delicate than P. rarispina^ and with'slender spines; shell thin and easily exfoliated, exposing then a finely striated surface beneath.* Found in some limy beds of Chemung in western New York.—In Pennsylvania rec- ognized by 0. E. Hall in Carll's and Randall's collection at Warren, and Sherwood's in Tioga county; Chemung upper strata, VIII g. Productella truncata. (Proauctus truncatus; Stro- vni -fa phomena pustulosa)^ Hall, Geology of Fourth Dis- trict, N. Y., 1843, page 180, fig. 71, 4. Marcellus. In Pennsylvania, Perry county,Barnett's mill, Clay- pole's specimen 5-106 (two), from Hamilton upper shale, VIII5, c. Productella ? 855-52; 856-27,-32,-38; 858-14; 859-8; 860-21, 72 (slab covered with poor specimens), -89; 861-1 (large, comparatively narrow),-2 (three large ones),-7 (large, with long spines, like the last), -17, 21 c (several casts), -28 g (poor), -30 (large narrow form,like 861-1),-38; 867-1 (poor); 870-22 (poor); 872-27 (obscure); 881-4; 883-53,-64 (i (very poor),-77; 884-1 (nine blocks, with many examples; also Rhyn- chonellas), 884-2 (five), 884-3 (seven), 884-4 (two, flat forms); 891-1 B (large, slightly convex, with ridge along the inside), 891-1 G (small, convex), 891-3,-4 (flat, needle ridge),.-5,-7 (small, gibbous). All from Chemung. 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


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Keywords: ., bookcentury1800, bookdecade1880, booksubjectpaleontology, bookyea