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Homotryblium caliculum
Homotryblium caliculum Bujak in Bujak et al., 1980
Holotype: Bujak et al., 1980, pl.16, fig.1
Locus typicus: Whitecliff Bay, Isle of Whight, S England
Stratum typicum: Late Eocene
Original diagnosis: Bujak in Bujak et al., 1980, p. 62-63
Chorate cyst with subsphaerical to ovoidal central body. Periphragm smooth to chagrinate, forming intratabular processes, one per paraplate. Processes caliculate and open distally with entire or serrate margins. Pratabulation 4", 6"", xc, 6""", 1p, 1"""",p.s. Processes sometimes absent from the cingular paraplates. Slender adventitious processes are occasionally present. Archaeopyle epicystal; archaeopyle margin characterized by anterior sulcal projection. All opercular paraplates are detached.
Holotype: Bujak et al., 1980, pl.16, fig.1
Locus typicus: Whitecliff Bay, Isle of Whight, S England
Stratum typicum: Late Eocene
Original diagnosis: Bujak in Bujak et al., 1980, p. 62-63
Chorate cyst with subsphaerical to ovoidal central body. Periphragm smooth to chagrinate, forming intratabular processes, one per paraplate. Processes caliculate and open distally with entire or serrate margins. Pratabulation 4", 6"", xc, 6""", 1p, 1"""",p.s. Processes sometimes absent from the cingular paraplates. Slender adventitious processes are occasionally present. Archaeopyle epicystal; archaeopyle margin characterized by anterior sulcal projection. All opercular paraplates are detached.