. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. Fig. 10. Gastrana rostrata Hinge details: a. Right valve, b. Left valve. Terminal area of this large cardinal not projecting beyond the hinge plate and obliquely truncated, sloping posteriorly. Cardinal teeth separated by a deep triangular pit. Right valve \vith 2 moderately large, divergent cardinal teeth; sub-equal, the anterior member somewhat broader; both erect, narrowly wedge-shaped and patently bifid, each with a longitudinal groove on the upper surface. A broad, deep triangular pit, acc
. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. Fig. 10. Gastrana rostrata Hinge details: a. Right valve, b. Left valve. Terminal area of this large cardinal not projecting beyond the hinge plate and obliquely truncated, sloping posteriorly. Cardinal teeth separated by a deep triangular pit. Right valve \vith 2 moderately large, divergent cardinal teeth; sub-equal, the anterior member somewhat broader; both erect, narrowly wedge-shaped and patently bifid, each with a longitudinal groove on the upper surface. A broad, deep triangular pit, accommodating the large cardinal tooth of the left valve, separating the two teeth. Pallial sinus deep, passing beyond the level of the hinge; sides not parallel, the dorsal margin sloping steeply downwards; terminus poorly rounded. Ventral margin running close to, and parallel with, pallial line. '.rial Holotype: K1426 L. 67-0 mm A. 39-5 mm Paratype: K1427 64-5 mm 43-5 mm. 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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Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, booksubjectnaturalhistory, booky
