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The Osteology and Relationships of Metaxytherium krahuletzi Depéret, 1895: Mammalia: Sirenia

MonographJournal / Magazine

Series: Abhandlungen der Senckenbergischen Naturforschenden Gesellschaft Volume: 553

By: Daryl P Domning (Author), Peter Pervesler (Author)

91 pages, 20 plates, 10 illustrations, 19 tables

Senckenbergische Naturforschende Gesellschaft

Paperback | Jan 2001 | #201875 | ISBN: 3510610547
Availability: Usually dispatched within 1-2 weeks Details
NHBS Price: £34.99 $43/€39 approx

About this book

Language: English

Metaxytherium krahuletzi was a halitheriine dugongid distributed throughout the marine waters of the Central Paratethys, and probably other parts of Europe' during the Early Miocene (upper Eggenburgian and Ottnangian – early to middle Burdigalian). It was probably an ecological generalist that fed on the leaves and rhizomes of small and medium-sized benthic seagrasses. It appears to be the sister group and direct ancestor of all the other Old World (European, Mediterranean, and North African) Metaxytherium, though its relationship to New World species remains unclear.

This study documents its morphology, stratigraphic and geographic distribution, and cladistic relationships, showing that it differs from its putative direct descendant M. medium only in characters of the skull, mandible, and possibly sternum that display significant and inadequately-sampled individual variation. Although the species M. krahuletzi is still considered valid, larger samples of this and related species are needed to demarcate more clearly the stages of evolution in this lineage' which evolved slowly in comparison with other sirenians.


Introduction 2 

Geology and stratigraphy of the Eggenburg region 4 

Sedimentology and taphonomy of sirenian localities 6 

Kuhnring 6 

Sonndorf 11 

Maigen 12 

Eggenburg - Schindergraben 16 

Paleogeography of the Eggenburg region and its implications for 
sirenian paleoecology and taphonomy 16 

Systematic paleontology 17 

Description of Austrian specimens 18 

Specimens from outside Austria 38 

Switzerland 38 

Slovakia 40 

France 40 

Libya 41 

Mexico 41 

Comparisons and reconsiderations of phyletic relationships 41 

Paleoecology 45 

Acknowledgements 46 

References 46 

Plates 5

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