Brönnimann, P.; Whittaker, J. E. (1986). On the morphology of Paratrochammina (Lepidoparatrochammina) haynesi (Atkinson) from South Cardigan Bay, Wales, and validation of Paratrochammina (Lepidoparatrochammina) Brönnimann & Whittaker. Revue de Paléobiologie. 5: 117-125.
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Brönnimann, P.; Whittaker, J. E.
1986
On the morphology of Paratrochammina (Lepidoparatrochammina) haynesi (Atkinson) from South Cardigan Bay, Wales, and validation of Paratrochammina (Lepidoparatrochammina) Brönnimann & Whittaker