Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum . Fig. 252. Menabites {Delawarella) sp. aff. jeanneti Collignon, X 0,78. 1948. SAM-PCZ5691. Description Coiling is involute with an umbilical diameter of about 25 per cent. Thewhorl section is compressed with a prominent dorsal zone of impression, avertical to overhanging umbilical wall with a well-defined umbilical edge andweakly inflated flanks with maximum width at the site of the lateral tubercle. None of the specimens has the innermost whorls preserved, but at adiameter of 45 mm ornament is already very much w
Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum . Fig. 252. Menabites {Delawarella) sp. aff. jeanneti Collignon, X 0,78. 1948. SAM-PCZ5691. Description Coiling is involute with an umbilical diameter of about 25 per cent. Thewhorl section is compressed with a prominent dorsal zone of impression, avertical to overhanging umbilical wall with a well-defined umbilical edge andweakly inflated flanks with maximum width at the site of the lateral tubercle. None of the specimens has the innermost whorls preserved, but at adiameter of 45 mm ornament is already very much weakened with barely per-ceptible lateral and submarginal tubercles. The umbilical tubercles are radially 332 ANNALS OF THE SOUTH AFRICAN MUSEUM. :.*^.
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Keywords: ., bookcentury1800, bookdecade1890, booki, booksubjectnaturalhistory
