WoRMS Photogallery
Staffella keytei Roth & Skinner, 1930
Description Roth, R.; Skinner, J. (1930). The fauna of the McCoy Formation, Pennsylvanian of Colorado. Journal of Paleontology. 4: 332-352.page(s): p. 347, pl. 29, figs. 11-13.
11, sagittal section, X 32; 12, entire specimen, showing antetheca, X 20; 13, axial section, showing the strong chomata and relatively wide aperture, X 32.
Length 0.55 mm., and width 0.64 mm. Form ratio is about 1 : 0.86. Shells of this size possess about 5 whorls. PNG file - 95.78 kB - 554 x 267 pixels added on 2026-01-3119 viewsWoRMS taxa Staffella keytei Roth & Skinner, 1930 † accepted as Pseudostaffella keytei (Roth & Skinner, 1930) †checked Le Coze, François 2026-01-31
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