. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. w. Fig. 3. Eubaculites labyrinthicus (Morton, 1834). A-C. OUM KX1830. D-G. OUM KX1829. Both from Bed 7 (G), locality 20, Zululand, St Lucia Formation, Maastrichtian II. Both x 2. fastigiate venter. There are two ribs in a distance equal to the whorl height, parts of four ribs being preserved on the specimen. They begin at small dorsolateral nodes, perched on the dorsolateral margin, are elongated parallel to the length of the shell, and are coarse, transverse and feebly prosiradiate on the inner flan
. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. w. Fig. 3. Eubaculites labyrinthicus (Morton, 1834). A-C. OUM KX1830. D-G. OUM KX1829. Both from Bed 7 (G), locality 20, Zululand, St Lucia Formation, Maastrichtian II. Both x 2. fastigiate venter. There are two ribs in a distance equal to the whorl height, parts of four ribs being preserved on the specimen. They begin at small dorsolateral nodes, perched on the dorsolateral margin, are elongated parallel to the length of the shell, and are coarse, transverse and feebly prosiradiate on the inner flank, strengthening into a mid-lateral tubercle that is elongated in a slightly prorsiradiate direction. These tubercles give rise to a progressively weakening prorsiradiate rib that sweeps forwards and declines before reaching the venter. The flanks are otherwise smooth, but the mid-venter is distinctly 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 : The Museum
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectnaturalhistory, booky
