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Fig. 5 | Swiss Journal of Palaeontology

Fig. 5

From: New insights into the taxonomy and evolution of Jurassic planktonic foraminifera

Fig. 5

Petaloglobigerina simmonsi Gradstein nov. gen, nov. sp. Nos. 1a–c, holotype, sample 10, section 1, Tojeira Formation, lower Kimmeridgian, Montejunto, Portugal. Note the offset first chamber in the last whorl of the spire and the oval and pointed last chamber. Nos. 2 and 3a, b, paratypes, same sample as holotype; note last chamber offset from spiral whorl and low arch aperture. Nos. 4a, b, paratype from sample 6–28 in the upper Tojeira Fm., lower Kimmeridgian, Montejunto, Portugal; note the four chambered last whorl with pointed periphery and the densely pustule wall texture. No. 5, paratype side view from sample T1–3, Tojeira Formation, lower Kimmeridgian, Montejunto, Portugal. No. 6—densely pustulose test wall in paratype in same sample as holotype. Nos. 7 and 8 paratypes from sample 6–28 in upper Tojeira Formation, lower Kimmeridgian, Montejunto, Portugal. 9—paratype in same sample as holotype

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