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Pseudofromea
From Williams et al., 2017:
[Pseudofromea, Burger, 1980b, p. 276
Acritarch genus, according to Burger, 1980, Sarjeant in Lentin and Williams, 1989, and Fensome et al., 1990
Type species: Pseudofromea collaris, Burger, 1980b (fig.12A)]
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Original description: [Burger, 1980]:
Diagnosis:
Proximate, acavate; shape ovoid or ellipsoidal to subspherical, often flattened, with a closed and broadly rounded antapex. Wall double-layered, both layers closely appressed. Inner layer with a smooth rimmed circular aperture at apex, outer layer adorned with low anastomosing lists and extending past the endo-apertural rim into a bowl-shaped or cylindrical open sleeve or collar.
[Pseudofromea, Burger, 1980b, p. 276
Acritarch genus, according to Burger, 1980, Sarjeant in Lentin and Williams, 1989, and Fensome et al., 1990
Type species: Pseudofromea collaris, Burger, 1980b (fig.12A)]
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Original description: [Burger, 1980]:
Diagnosis:
Proximate, acavate; shape ovoid or ellipsoidal to subspherical, often flattened, with a closed and broadly rounded antapex. Wall double-layered, both layers closely appressed. Inner layer with a smooth rimmed circular aperture at apex, outer layer adorned with low anastomosing lists and extending past the endo-apertural rim into a bowl-shaped or cylindrical open sleeve or collar.