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Cirrifera unilateralis
Cirrifera unilateralis, Cookson and Eisenack, 1960
Holotype: Cookson and Eisenack, 1960, pl.3, fig.8
Age: Late Albian
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Original description: [Cookson and Eisenack, 1960a, p. 10]:
Cirrifera unilateralis Cookson and Eisenack, new species
Plate 3, figure 8
Holotype: Nat. Mus. Vic. no. P17810.
Age and occurrence: (?)Upper Albian to Cenomanian: Gingin, Wapet's seismic shot hole B1, at 200 and 210 ft., Osborne formation, Subiaco Bore, at 358 ft.
Description: Shell somewhat asymmetrical, with convex sides and horns of slightly unequal length and breadth, ornamented on one side of the body and sometimes at the base of one horn by short, clavate, straight or curved, simple or slightly branched processes. Capsule cylindrical with rounded ends, rarely filling the cavity of the shell. Shell membrane thin and faintly granular; wall of capsule thin and smooth.
Dimensions: Holotype: overall length 76μ; breadth 28μ; capsule 30 x 17μ. Range: length 60-86μ; breadth 20-28μ; capsule 29-33μ x 10-17μ.
Holotype: Cookson and Eisenack, 1960, pl.3, fig.8
Age: Late Albian
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Original description: [Cookson and Eisenack, 1960a, p. 10]:
Cirrifera unilateralis Cookson and Eisenack, new species
Plate 3, figure 8
Holotype: Nat. Mus. Vic. no. P17810.
Age and occurrence: (?)Upper Albian to Cenomanian: Gingin, Wapet's seismic shot hole B1, at 200 and 210 ft., Osborne formation, Subiaco Bore, at 358 ft.
Description: Shell somewhat asymmetrical, with convex sides and horns of slightly unequal length and breadth, ornamented on one side of the body and sometimes at the base of one horn by short, clavate, straight or curved, simple or slightly branched processes. Capsule cylindrical with rounded ends, rarely filling the cavity of the shell. Shell membrane thin and faintly granular; wall of capsule thin and smooth.
Dimensions: Holotype: overall length 76μ; breadth 28μ; capsule 30 x 17μ. Range: length 60-86μ; breadth 20-28μ; capsule 29-33μ x 10-17μ.