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Lejeunecysta cowiei
Lejeunecysta cowiei Hannah et al., 1998, p.535, figs.5f-g.
Holotype: Hannah et al., 1998, figs.5f-g.
Age: early Miocene.
Original description (Hannah, 1998):
Lejeunecysta cowiei n. sp. (Fig. 5f & g)
1998, Lejeunecysta spl, Initial Report on CRP-1, figure 26h & i.
Name: for Jim Cowie, Project Manager CRP. Holotype: slide P1411, 120.4 mbsf, England finder coordinates; FW4, length = 70 µm, width = 95 µm, figures 5g & f.
Shape: large peridinioid cyst, width greater than length. Prominent quadrate apical horn. Reduced, blunt antapical horns.
Phragm: autopharagm brown in colour when not covered with pyrite, no sign of paratabulation. Cyst often folded at the position of the paracingulum occasionally producing a quadrate midline.
Archaeopyle: intercalary.
Size: length = 59(7 1)78 pill, based on 5 specimens. Width =69(83) 102 urn based on six specimens.
Comments: differs from Lejeunecysta fallax in being consistently wider than long, and possessing a prominent quadrate apical horn rather than rounded.
Distribution: common below 67.54 mbsf in the lower Miocene section, a single occurrence at 39.06 mbsf may represent reworking into the Quaternary sediments.
Holotype: Hannah et al., 1998, figs.5f-g.
Age: early Miocene.
Original description (Hannah, 1998):
Lejeunecysta cowiei n. sp. (Fig. 5f & g)
1998, Lejeunecysta spl, Initial Report on CRP-1, figure 26h & i.
Name: for Jim Cowie, Project Manager CRP. Holotype: slide P1411, 120.4 mbsf, England finder coordinates; FW4, length = 70 µm, width = 95 µm, figures 5g & f.
Shape: large peridinioid cyst, width greater than length. Prominent quadrate apical horn. Reduced, blunt antapical horns.
Phragm: autopharagm brown in colour when not covered with pyrite, no sign of paratabulation. Cyst often folded at the position of the paracingulum occasionally producing a quadrate midline.
Archaeopyle: intercalary.
Size: length = 59(7 1)78 pill, based on 5 specimens. Width =69(83) 102 urn based on six specimens.
Comments: differs from Lejeunecysta fallax in being consistently wider than long, and possessing a prominent quadrate apical horn rather than rounded.
Distribution: common below 67.54 mbsf in the lower Miocene section, a single occurrence at 39.06 mbsf may represent reworking into the Quaternary sediments.