. Bulletins of American paleontology. 274 Bulletin 173 MEASUREMENTS OF OPERCULINOIDES WILLCOXI (HEILPRIN) Median Sections Locality miles west of Williston, Fla. 108, Panama Specimen PI. 33, fig. 9 Height ... mm. Width ...mm. Embryonic chambers: Diameters of initial chamber /* 100x130 Diameters of second chamber /* 100x160 Distance across both chambers i" 250. PI. 33, fig. 11 PI. 33, fig. 10 3:25 100x130 175x175 130x140 90x90 70x120 • 70x170 75x130 Whorls 41/4 200 250 230 50x90 140 41/2 43/4 43/4 51/2 Chambers in first volution 10 10 10 8 11 Chambers in f
. Bulletins of American paleontology. 274 Bulletin 173 MEASUREMENTS OF OPERCULINOIDES WILLCOXI (HEILPRIN) Median Sections Locality miles west of Williston, Fla. 108, Panama Specimen PI. 33, fig. 9 Height ... mm. Width ...mm. Embryonic chambers: Diameters of initial chamber /* 100x130 Diameters of second chamber /* 100x160 Distance across both chambers i" 250. PI. 33, fig. 11 PI. 33, fig. 10 3:25 100x130 175x175 130x140 90x90 70x120 • 70x170 75x130 Whorls 41/4 200 250 230 50x90 140 41/2 43/4 43/4 51/2 Chambers in first volution 10 10 10 8 11 Chambers in final volution 27 1 27 26 36 29 Total number of chambers 85 87 95 110 119 *See: pi. 1, fig. 12, Bull. Amer. Paleont., v. 35, No. 147, 1953 Locality Specimen Transverse Sections 108, miles west of Williston, Fla. „^"°' ' Panama PI. 33, fig. 3 Height mm. Thickness at center mm. Surface diameter of umbonal plug i« 350 50C 400 350 400 PI. 33, PI. 33, fig. 1 fig. 4 PI. 33, fig. 5 *See: pi. 2, fig. 2, Bull. Amer. Paleont., v. 35, No. l47, 1953. 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 Paleontological Research Institution (Ithaca, N. Y. ); Columbia University. Ithaca, N. Y. , Paleontological Research Institution [etc. ]
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