. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. CRETACEOUS FAUNAS FROM SOUTH AFRICA 147. ^L^fef Fig. 25. Plesiotexanites (P.) stangeri (Baily, 1855). Cast of holotype, BMNH C73333, from Umzamba estuary, Pondoland. x 0,43. submarginal (3) one. While the separation of the ventrolateral tubercle takes place in P. (P.) stangeri, a lateral (2) tubercle appears, thus completing the pentatuberculate Texanites-Mke stage. The stage of appearance, strength and persistence of the lateral (2) tubercle in P. (P.) stangeri is very variable. The lateral tubercle
. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. CRETACEOUS FAUNAS FROM SOUTH AFRICA 147. ^L^fef Fig. 25. Plesiotexanites (P.) stangeri (Baily, 1855). Cast of holotype, BMNH C73333, from Umzamba estuary, Pondoland. x 0,43. submarginal (3) one. While the separation of the ventrolateral tubercle takes place in P. (P.) stangeri, a lateral (2) tubercle appears, thus completing the pentatuberculate Texanites-Mke stage. The stage of appearance, strength and persistence of the lateral (2) tubercle in P. (P.) stangeri is very variable. The lateral tubercle may be faint throughout, or persist only for a short time before being absorbed into the ribbing. As far as lateral ornament is concerned, the only difference between P. (P.) stangeri and R. zulu is the variable appearance. 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
