This page provides data from the catalog of type descriptions. The catalog is sorted alphabetically. Use the current identification link to go back to the main database.
Linked specimens: USNM-24378 USNM-24379
Current identification/main database link: Braunella punctulata (Cushman, 1938)
Test broad and rounded, about 1½ times as broad, initial portion rapidly tapering, later portion of nearly uniform width, periphery of early portion keeled, later indented; chambers of the early portion somewhat compressed, keeled, much broader than high, rapidly inflated in the adult where they are globular; sutures in the early portion slightly costate or with the fine perforations in vertical lines, in the adult thicker-walled with the surface rather coarsely punctate; aperture, a low, broad arch with a slight lip, the sides continuing in flange onto the preceding chamber.
Size: Length 0.45-0.55 mm.; breadth 0.32-0.35 mm.: thickness 0.22-0.25mm.
Extra details from original publication
This species differs from G. striata in the compressed and keeled early portion, very rapid expansion of· the later chambers, rather uniform width in the adult, and the'coarsely punctate sur face in the adult.
The range seems to be the upper part of the Taylor marl, including the Pecan Gap chalk and Wolfe City sand members, the Annona chalk, and also the Neylandville marl.
Test widely flaring in juvenile stage, sides subparallel in adult.
Guembelina punctulata compiled by the pforams@mikrotax project team viewed: 27-2-2021
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