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Lazarus 1990


Plate 1
All specimens are of Acrosphaera australis, n. sp., from Sample 113-689B-3H-6, 56-58 cm. Scale bar = 100 Ám. 1, 2 - Holotype (1) Focus showing shell shape and wall thickness. (2) Surface of shell showing pores and bridges. England Finder position W44. 3, 4 - Paratypes. (3) F37.4; (4) - YZ40-41. 5, 6. Early morphotype showing thin bridges. Y41.2.