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Swiss Journal of Palaeontology
Fig. 2 | Swiss Journal of Palaeontology

Fig. 2

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

Fig. 2

Jurassic ammonoids, Hettangian to Aalenian (for details see Table 1). (J1, J2) Arietites sp. (J1) PIMUZ 6734, (J2) PIMUZ 37668, (J3) Dactylioceras commune (PIMUZ 13653; 0827), (J4) Asteroceras sp. (PIMUZ 13,007), (J5), Psiloceras naumanni (PIMUZ 12596), (J6) Schlotheimiia sp. (PIMUZ 12,618), (J7) Leioceras sp. (PIMUZ 37666), (J8–J10) Psiloceras planorbis (PIMUZ 12597; L/1207), (J9) PIMUZ 12597; L/1206), (J10) PIMUZ 12600, (J11), Lytoceras fimbriatum (PIMUZ 37665), (J12) Fuciniceras cf. isseli (PIMUZ 37733). Scale bar = 1 cm

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