New PDF release: Ammonoid Paleobiology: From macroevolution to paleogeography

By Christian Klug, Dieter Korn, Kenneth De Baets, Isabelle Kruta, Royal H. Mapes

ISBN-10: 9401796327

ISBN-13: 9789401796323

ISBN-10: 9401796335

ISBN-13: 9789401796330

​This two-volume paintings is a testomony to the abiding curiosity and human fascination with ammonites. we provide a brand new version to give an explanation for the morphogenesis of septa and the shell, we discover their habitats through the content material of sturdy isotopes of their shells, we talk about the starting place and later evolution of this crucial clade, and we convey hypotheses on its loss of life. The Ammonoidea produced a lot of species that may be utilized in biostratigraphy and doubtless, this can be the macrofossil crew, which has been used the main for that objective. however, many points in their anatomy, mode of lifestyles, improvement or paleobiogeographic distribution are nonetheless poorly recognized.

Themes taken care of are biostratigraphy, paleoecology, paleoenvironment, paleobiogeography, evolution, phylogeny, and ontogeny. Advances reminiscent of an explosion of latest information regarding ammonites, new applied sciences comparable to isotopic research, tomography and digital paleontology usually, in addition to non-stop discovery of recent fossil unearths have given us the chance to give a accomplished and well timed "state of the paintings" compilation. in addition, it additionally issues the way in which for destiny reviews to additional increase our figuring out of this perpetually interesting team of organisms.

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Extra resources for Ammonoid Paleobiology: From macroevolution to paleogeography

Example text

The transitions from the Bacritida to the Ammonoidea (Erben 1966; De Baets et al. 2013b). With the translocation of the hyponome to the venter, the suture line began to undulate. This induced the formation of the external lobe. The ventralization of the hyponome possibly caused a slight dorsoventral imbalance which might have initiated in one way or the other the increasing curvature of the shell (or vice versa), the lateral compression of the shell cross section, the formation of lateral lobes in the suture line (caused by the compressed section) and the tilting of the aperture (and thus growth lines) with a deepening of the hyponomic sinus.

Mol Phylogenet Evol 58:390–394 Webers GF, Yochelson EL (1989) Late Cambrian molluscan faunas and the origin of the Cephalopoda. Geol Soc Lond Spec Pub 47:29–42 Wiedmann J, Kullmann J (1980) Ammonoid sutures in ontogeny and phylogeny. In: House MR, Senior JR (eds) The Ammonoidea. Academic Press, London Witmer LM (1995) The extant phylogenetic bracket and the importance of reconstructing soft tissues in fossils. In: Thomason JJ (ed) Functional morphology in vertebrate paleontology. Cambridge University Press, Cambridge Woodruff DS, Carpenter MP, Saunders WB, Ward PD (1987) Genetic variation and phylogeny in Nautilus.

27) as the earliest known Devonobactrites (Kröger 2008a) and Lobobactrites are found below the earliest ammonoid finds in the early Emsian of Australia (compare Teichert 1948; Mawson 1987) and Morocco (Kröger 2008b). Further morphological changes occurred at 14 C. Klug et al. the transitions from the Bacritida to the Ammonoidea (Erben 1966; De Baets et al. 2013b). With the translocation of the hyponome to the venter, the suture line began to undulate. This induced the formation of the external lobe.

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Ammonoid Paleobiology: From macroevolution to paleogeography by Christian Klug, Dieter Korn, Kenneth De Baets, Isabelle Kruta, Royal H. Mapes


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