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Swiss Journal of Palaeontology
Fig. 3 | Swiss Journal of Palaeontology

Fig. 3

From: Is the relative thickness of ammonoid septa influenced by ocean acidification, phylogenetic relationships and palaeogeographic position?

Fig. 3

Jurassic ammonoids, Aalenian to Oxfordian (for details see Table 1). (J12) Ludwigia bradfordensis (PIMUZ 19067), (J13) Staufenia opalinoides (PIMUZ 19087), (J14) Lud. bradfordensis (PIMUZ 2034), (J15) Macrocephalites compressus (PIMUZ 37667), (J16) Staufenia opalinoides (PIMUZ 19091; L/1026), (J17, J18) Divisosphinctes besairei (PIMUZ 37734, 37735). Scale bar = 1 cm (except J13: scale bar = 2 cm)

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