Back
Lingulodinium pycnospinosum
Lingulodinium pycnospinosum (Benedek, 1972, p.32, pl.12, fig.14) Stover and Evitt, 1978, p.172. Emendation: Benedek and Sarjeant, 1981, p.343–344, as Lingulodinium pycnospinosum.
Originally Impletosphaeridium, subsequently Lingulodinium?, thirdly (and now) Lingulodinium.
Questionable assignment: Stover and Evitt (1978, p.172) — however, Benedek and Sarjeant (1981, p.343) retained the species in Lingulodinium without question.
Stover and Evitt (1978, p.172) considered Hystrichosphaeridium (as Lingulodinium) machaerophorum to be a possible taxonomic senior synonym of this species.
Holotype: Benedek, 1972, pl.12, fig.14; Benedek and Sarjeant 1981, Fig.10, no.1
Paratypes: Benedek, 1972
Age: Middle-Late Oligocene
Original diagnosis: Benedek, 1972
Emended Diagnosis: Benedek and Sarjeant 1981, p. 343
Cyst spheroidal, skolochorate. Phragma surface granular. Processes non-tabular, of moderate length (around onethird of the cyst diameter) and in considerable number (over 200). Processes hollow and perforated by pores, giving them a beaded appearance. Archaeopyle precingular, formed by the loss of two or more paraplates (Type 2P - tP).
Dimensions: Holotype (in oblique apical view): greatest diameter 42 µm, length of processes 20-22 µm. Range of dimensions: greatest diameter 36-60 µm (mean 45 µm), length of processes 10-22 µm.
Originally Impletosphaeridium, subsequently Lingulodinium?, thirdly (and now) Lingulodinium.
Questionable assignment: Stover and Evitt (1978, p.172) — however, Benedek and Sarjeant (1981, p.343) retained the species in Lingulodinium without question.
Stover and Evitt (1978, p.172) considered Hystrichosphaeridium (as Lingulodinium) machaerophorum to be a possible taxonomic senior synonym of this species.
Holotype: Benedek, 1972, pl.12, fig.14; Benedek and Sarjeant 1981, Fig.10, no.1
Paratypes: Benedek, 1972
Age: Middle-Late Oligocene
Original diagnosis: Benedek, 1972
Emended Diagnosis: Benedek and Sarjeant 1981, p. 343
Cyst spheroidal, skolochorate. Phragma surface granular. Processes non-tabular, of moderate length (around onethird of the cyst diameter) and in considerable number (over 200). Processes hollow and perforated by pores, giving them a beaded appearance. Archaeopyle precingular, formed by the loss of two or more paraplates (Type 2P - tP).
Dimensions: Holotype (in oblique apical view): greatest diameter 42 µm, length of processes 20-22 µm. Range of dimensions: greatest diameter 36-60 µm (mean 45 µm), length of processes 10-22 µm.