. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. Fig. 2. Ventral views: a. Calyptraea viridarena Holotype. b. C. helicoidea (Sowerby). c. C. aurita striata Holotype. d. C. aurita Reeve. It is of interest to note that the local contemporary form Proterato [P.) sulcifera (Sowerby) is a member of the sub-genus Proterato Schilder, found only in the Indo-Pacific and Australasian areas. The presence of apparently generi- cally different forms in Lower Pleistocene and Recent seas around the South African coasts and the surprising distributi
. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. Fig. 2. Ventral views: a. Calyptraea viridarena Holotype. b. C. helicoidea (Sowerby). c. C. aurita striata Holotype. d. C. aurita Reeve. It is of interest to note that the local contemporary form Proterato [P.) sulcifera (Sowerby) is a member of the sub-genus Proterato Schilder, found only in the Indo-Pacific and Australasian areas. The presence of apparently generi- cally different forms in Lower Pleistocene and Recent seas around the South African coasts and the surprising distribution of the genus Hespererato (west coast of America, Antilles, and Europe) may perhaps suggest that the phylogenetic aspects of one, at least, of these generic divisions are not of profound significance. Family Galyptraeidae Calyptraea aurita striata PI. 22 & Fig. 2 Location 2. 45-50 m Transgression complex. Fore-beach 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
