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Achomosphaera recurvata
From Fensome et al., 2019:
Achomosphaera recurvata, Jain et al., 1975, p.8, pl.3, figs.36–37,39.
Holotype: Jain et al., 1975, pl.3, fig.36.
Taxonomic senior synonym: Hystrichosphaera (as and now Achomosphaera) crassipellis, according to Quattrocchio and Sarjeant (1996, p.116).
Age: Maastrichtian.
Locus typicus: Assam, India
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Original description: [Jain et al., 1975, p. 8]:
Description:
Cyst sphaerical to oblong, wall moderately thick, endophragm and periphragm in close contact, surface ornament perforate.
Processes thin, long, hollow, bases broad, in close contact with test wall layers, termination acuminate and recurved; sometimes processes branched.
Archaeopyle precingular.
Dimensions:
Holotype - 50x40 µm, range - 40-60x38-50 µm; length of processes 14 µm, range 12-20 µm.
Achomosphaera recurvata, Jain et al., 1975, p.8, pl.3, figs.36–37,39.
Holotype: Jain et al., 1975, pl.3, fig.36.
Taxonomic senior synonym: Hystrichosphaera (as and now Achomosphaera) crassipellis, according to Quattrocchio and Sarjeant (1996, p.116).
Age: Maastrichtian.
Locus typicus: Assam, India
---------------------------------------------------------------------------------------------------
Original description: [Jain et al., 1975, p. 8]:
Description:
Cyst sphaerical to oblong, wall moderately thick, endophragm and periphragm in close contact, surface ornament perforate.
Processes thin, long, hollow, bases broad, in close contact with test wall layers, termination acuminate and recurved; sometimes processes branched.
Archaeopyle precingular.
Dimensions:
Holotype - 50x40 µm, range - 40-60x38-50 µm; length of processes 14 µm, range 12-20 µm.