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Dinogymnium undulosum
Dinogymnium undulosum Cookson and Eisenack, 1970
Possible tax. sr. synonym of Dinogymnium denticulatum (Alberti, 1961) Evitt et al., 1967, according to Herngreen, 1975. If correct, then Dinogymnium denticulatum is the senior synonym.
Holotype: Cookson and Eisenack, 1970, pl.10, fig.3
Locus typicus: Madura No. 1 Bore, Eucla Basin, Western Australia
Stratum typicum: Senonian
Original description: Cookson and Eisenack, 1970, p.138
Epitheca and hypotheca of nearly equal length with rounded apices, that of the hypotheca being the more strongly so, and clearly ornamented with wavy longitudinal ridges. Girdle prominent, circular in outline, rather shallow but with well-defined limits. The longitudinal furrow, which is present on both epitheca and hypotheca, narrows distally but does not extend to the poles.
Dimensions: Holotype, c. 64 Ám long, 34 Ám broad. Range of four examples: length 52-70 Ám, breadth 27-38 Ám.
Possible tax. sr. synonym of Dinogymnium denticulatum (Alberti, 1961) Evitt et al., 1967, according to Herngreen, 1975. If correct, then Dinogymnium denticulatum is the senior synonym.
Holotype: Cookson and Eisenack, 1970, pl.10, fig.3
Locus typicus: Madura No. 1 Bore, Eucla Basin, Western Australia
Stratum typicum: Senonian
Original description: Cookson and Eisenack, 1970, p.138
Epitheca and hypotheca of nearly equal length with rounded apices, that of the hypotheca being the more strongly so, and clearly ornamented with wavy longitudinal ridges. Girdle prominent, circular in outline, rather shallow but with well-defined limits. The longitudinal furrow, which is present on both epitheca and hypotheca, narrows distally but does not extend to the poles.
Dimensions: Holotype, c. 64 Ám long, 34 Ám broad. Range of four examples: length 52-70 Ám, breadth 27-38 Ám.