Get Ammonoid Paleobiology: From anatomy to ecology PDF

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

ISBN-10: 9401796297

ISBN-13: 9789401796293

ISBN-10: 9401796300

ISBN-13: 9789401796309

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 by means of the content material of reliable isotopes of their shells, we talk about the beginning and later evolution of this crucial clade, and we convey hypotheses on its loss of life. The Ammonoidea produced quite a few species that may be utilized in biostratigraphy and probably, this is often the macrofossil staff, which has been used the main for that function. however, many features in their anatomy, mode of existence, improvement or paleobiogeographic distribution are nonetheless poorly recognized.

Themes taken care of are biostratigraphy, paleoecology, paleoenvironment, paleobiogeography, evolution, phylogeny, and ontogeny. Advances corresponding to an explosion of latest information regarding ammonites, new applied sciences comparable to isotopic research, tomography and digital paleontology mostly, in addition to non-stop discovery of latest fossil reveals have given us the chance to give a complete and well timed "state of the artwork" compilation. furthermore, it additionally issues the best way for destiny stories to additional improve our figuring out of this forever interesting staff of organisms.

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Extra resources for Ammonoid Paleobiology: From anatomy to ecology

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H. Erbenoceras advolvens, GPIT 1849-2002, early Emsian, Devonian, northern Tafilalt, Morocco, dm 156 mm. (all images: W. Gerber, Tübingen; A, B reproduced from Ernst and Klug 2010). Spiral ornamentation. I to K: Lateral structures. I, Maxigoniatites saourensis, Visean, Carboniferous, near Merzouga, Tafilalt, Morocco, dm 72 mm. J. Amaltheus margaritatus, PIMUZ 13468, Pliensbachian, Reichenbach near Aalen, Germany. 8 cm, image: A. E. Richter, Augsburg. L to N: ventral structures. , Sinemurian, Jurassic, Mögglingen, Germany, dm 70 mm, Staatliches Museum für Naturkunde Stuttgart.

Korn 1979, 2014). 16 C. Klug et al. 1 Suture Line The suture line is the line, where the septal mantle first attached the organic septal membrane and later the septum is formed by mineralization of the membrane. Its importance in systematics and taxonomy varies, depending on the researcher and also on the taxon under consideration. , Chlupáč and Turek 1983). Nevertheless, the suture line yields valuable information on systematics and ultimately also phylogeny. In order to produce good drawings of suture lines, growth lines or constrictions, various techniques can be used.

The false color pattern that Mapes and Davis (1996) indicated as most common is where thickening of the shell is present. Such places are at constrictions, pseudoconstrictions, and varices. Additional places not noted by Mapes and Davis (1996) include ribs, falcations, nodes and other places where shell thickening can occur. In any case, it appears that these false color patterns are associated with growth 30 R. H. Mapes and N. L. Larson halts, during which megastriae or similar growth-related structures were formed (see Klug et al.

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

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