WoRMS Photogallery
Fusulina acme Dunbar & Henbest, 1942
Description Dunbar, C. O.; Henbest, L. G. (1942). Pennsylvanian Fusulinidae of Illinois. Bulletin Illinois State Geological Survey. 67: 1-218., available online at http://hdl.handle.net/2142/43009page(s): p. 122-123, 142, pl. 15, figs. 1-18. Lonsdale limestone, station 545, Fulton County, Illinois. 1. Three paratypes (X 1). The same enlarged (X 5). Young and mature specimens (X 5). Axial section (X 10) of paratype (Slide 30). Axial section (X 10) of another paratype which appears abnormally thick and short because the last half volution is incomplete at the poles (Slide F). Holotype and paratype, axial sections (X 10) (Slide Y 2). Paratype, axial section (X 10) (Slide 39). Axial section (X 10) of slightly deformed specimen (Slide 31). 13,14. Sagittal section (X 10) (Slides 21 and 25). 15. Detail (X 25) of figure 11 showing pyramiding of septal folds in last volution. The tunnel (left of center in penultimate whorl) has not yet opened in the last whorl (Slide 39). 16. Enlargement (X 44) of part of figure 14, plate 16, showing septal loops and pores. 17. Enlargement (X 25) of detail of figure 8, showing the septal loops and pores. 18. Enlarged detail (X 25) of left end of figure 6, showing septal pores and folds in the antetheca (Slide 40). PNG file - 3.77 MB - 1 560 x 2 504 pixels added on 2024-10-30155 viewsWoRMS taxa Fusulina acme Dunbar & Henbest, 1942 †checked Le Coze, François 2024-10-30
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