. Annals of the South African Museum. Annale van die Suid-Afrikaanse Museum. 250 ANNALS OF THE SOUTH AFRICAN MUSEUM 21-40 mm diameter: shell compressed (w/h = 0,53-0,68), very involute (umbilicus 15-17% of diameter), with a high rectangular whorl section. Ribbing denser (twenty to twenty-four ribs per half-whorl), not infrequently with two intercalatories between main ribs. The ventrolateral tubercles are generally still prominent at this Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearanc
. Annals of the South African Museum. Annale van die Suid-Afrikaanse Museum. 250 ANNALS OF THE SOUTH AFRICAN MUSEUM 21-40 mm diameter: shell compressed (w/h = 0,53-0,68), very involute (umbilicus 15-17% of diameter), with a high rectangular whorl section. Ribbing denser (twenty to twenty-four ribs per half-whorl), not infrequently with two intercalatories between main ribs. The ventrolateral tubercles are generally still prominent at this 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 South African Museum. Cape Town [etc. ] The Museu
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Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
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Keywords: ., bookauthorsouthafr, bookcentury1800, bookdecade1890, bookyear1898
