Taxonomy Online - Carboniferous spores part I - Species details


Species name
Remysporites magnificus (Horst) Butterworth & Williams, 1958

Description
Radial trilete camerate miospores. Amb ovoid to circular. Margin smooth to minutely undulating. Trilete mark distinct or obscured by elevated exoexinal folds which extend, decreasing in height, to equatorial margin. Sutures, when seen, extend almost to inner body margin. Intexine relatively thick, laevigate, with independent compression folds indicating complete separation from exoexine over most of its surface. Exoexine thin, forms highly folded exoexinal body; surface laevigate to microreticulate. Exoexine of contact areas may develop fine vermiculate ornament.

Other descriptions
Horst, 1955, p. 194, pl. 21, fig. 37. Butterworth and Williams, 1958, p. 386, pl. 4, figs. 7–9. Smith and Butterworth, 1967, p. 278, pl. 33, fig. 8

Size
Overall equatorial diameter 84–255 µm

Remarks
Smith and Butterworth (1967) considered that Remysporites albertensis Staplin 1960 is synonymous with the present species.

Range
Mississipian; late Visean to Serpukhovian [Asbian to Arnsbergian] (Smith and Butterworth, 1967, and unpublished information)

Images

MPK 7511 MPK 7511 Figure 42a
Holme Wood Coal, River Belah, Stainmore, Cumbria, England; Serpukhovian [Arnsbergian], TK Biozone, Sample RB 120, Specimen MPK 7511. Camerate miospore with smooth subcircular equatorial outline. Inner body well defined but partly obscured by folding. ‘Saccus’ thin, extensively folded, surface smooth to microreticulate. Trilete suture accompanied by exoexinal folds obscured by folding. Specimen maximum dimension 156 µm.


MPK 7513 MPK 7513 Figure 42b
Holme Wood Coal, River Belah, Stainmore, Cumbria, England; Serpukhovian [Arnsbergian], TK Biozone, Sample RB 120, Specimen MPK 7513. Well-defined inner body and more or less laevigate exoexine. Trilete sutures obscure, possibly as a result of being split open. Specimen maximum dimension 136 µm.