. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. /:. A ^9& B Fig. 35. Acrioceras sp. SAM-PCZ8442. x 2. Acrioceras (Aspinoceras) sp. aff. brevis (d'Orbigny) in Thomel (1964: 48, pi. 7 (fig. 11)) is very similar in overall shape, but the French specimen lacks tubercles. Protacrioceras hourcqi Collignon (1962: 95, pi. 214 (figs 936-7)) from the Barremian of Antsalova, Madagascar, has coiling and relative proportions similar to our specimen, but has a trituberculate phragmocone. Given more material, it may be possible to connect our bituberculate s
. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. /:. A ^9& B Fig. 35. Acrioceras sp. SAM-PCZ8442. x 2. Acrioceras (Aspinoceras) sp. aff. brevis (d'Orbigny) in Thomel (1964: 48, pi. 7 (fig. 11)) is very similar in overall shape, but the French specimen lacks tubercles. Protacrioceras hourcqi Collignon (1962: 95, pi. 214 (figs 936-7)) from the Barremian of Antsalova, Madagascar, has coiling and relative proportions similar to our specimen, but has a trituberculate phragmocone. Given more material, it may be possible to connect our bituberculate specimen to the sextu- berculate Malagasy specimen, very much in the same way as shown by the range of variation in Acrioceras (A.) zulu. For the present, a specific identification of the Zululand specimen is not possible. Occurrence Upper Barremian (Barremian I) of 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
