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Trigonopyxidia ginella
Trigonopyxidia ginella (Cookson and Eisenack, 1960) Downie and Sarjeant, 1965
Originally Trigonopyxis (an illegitimate generic name), subsequently (and now) Trigonopyxidia.
Holotype: Cookson and Eisenack 1960, pl.3, fig.19
Locus typicus: North of Gingin, Perth Basin, Western Australia
Stratum typicum: ?Upper Albian to Cenomanian
Original description: Cookson and Eisenack, 1960, p. 11: Trigonopyxis ginella
Shell triangular, with straight to concave sides and rounded angles. Capsule almost circular to broadly triangular. Shell membrane and wall of capsule smooth.
Dimensions: Holotype: shell about 50 µm; capsule about 30 µm. Range: shell 50-66 µm; capsule 30-43 µm.
Originally Trigonopyxis (an illegitimate generic name), subsequently (and now) Trigonopyxidia.
Holotype: Cookson and Eisenack 1960, pl.3, fig.19
Locus typicus: North of Gingin, Perth Basin, Western Australia
Stratum typicum: ?Upper Albian to Cenomanian
Original description: Cookson and Eisenack, 1960, p. 11: Trigonopyxis ginella
Shell triangular, with straight to concave sides and rounded angles. Capsule almost circular to broadly triangular. Shell membrane and wall of capsule smooth.
Dimensions: Holotype: shell about 50 µm; capsule about 30 µm. Range: shell 50-66 µm; capsule 30-43 µm.