The genus Heterodontus in the Early Paleogene of the North Sea Basin and the Landes, France
Keywords: North Sea Basin, Palaeocene, Eocene, Heterodontidae, Heterodontiformes, Heterodontus vincenti, Heterodontus lerichei, Heterodontus adneti nov. sp., tooth morphology, Heterodonty, basal ornamentation, Egem, Erquelinnes, Dormaal.
Introduction 5
Material and methods 5
Terminology 5
Abbreviations 6
Measurements 6
General paleogeographic overview and sedimentationof the NSB and limitrophe areas 7
Analysis of the dental morphology of Heterodontus in the Early Paleogene of the NSB 9
Heterodontus vincenti (Leriche, 1905) 9
Material studied 10
Lectotype (here designated) 10
Paralectotypes (here designated) 10
Other comparative material 10
Type locality and age 10
Descriptions of H. vincenti from the Egem quarry 10
Analysis of teeth of H. vincenti from the Egem quarry and comparison with teeth of the extant species H. mexicanus and H. quoyi 10
Analysis of the types H. vincenti, H. woodwardi and H. wardenensis 16
Lectotype of H. vincenti (Leriche, 1905) 16
Paralectotypes of H. woodwardi Casier (1946) 18
Paralectotypes of H. wardenensis Casier (1966) 20
Heterodontus lerichei Casier, 1943 23
Material studied 23
Holotype 23
Other material from Dormaal 23
Type locality and age 23
Description of the holotype mediolateral tooth of H. lerichei Casier, 1943b 24
Descriptions of teeth of H. lerichei Casier, 1943b from Dormaal 24
Adult dentition 24
Juvenile dentition 29
Heterodontus sp. (IRSNB P.00100) 32
Analysis of teeth of H. lerichei 32
Heterodontus in the Eocene of the Landes, France 39
Material studied 39
Heterodontus adneti nov sp. 39
Description of the tooth SG26 (Adnet, 2006) 39
Description of the tooth SG27 (Adnet, 2006) 39
Analysis and discussion of teeth of H. adneti nov. sp. 39
Discussion 41
Earlier studies 41
Palaeogeographic and stratigraphic distribution (earlier studies) 46
Bathymetry (earlier studies) 48
Conclusions 50
Conclusions on teeth of H. vincenti 50
Conclusions on teeth of H. lerichei 53
Conclusions on teeth of H. adneti nov. sp. 54
Conclusions on Earlier Studies 54
Acknowledgements 55
Appendix 56
References 58
Erscheinungsdatum | 29.08.2024 |
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Reihe/Serie | Palaeo Ichthyologica ; 17 |
Zusatzinfo | 7 Tafeln, 7 Farb- und 7 Schwarzweißabbildungen, 1 Tabelle |
Verlagsort | München |
Sprache | englisch |
Maße | 210 x 297 mm |
Gewicht | 286 g |
Themenwelt | Naturwissenschaften ► Geowissenschaften ► Mineralogie / Paläontologie |
Schlagworte | Dormaal • Egem • Eocene • Erquelinnes • Haie • Haizähne • Heterodontus • Heterodontus adneti • Heterodontus lerichei • Heterodontus vincenti • Nordsee • North Sea Basin • Paleogene • Stierkopfhai |
ISBN-10 | 3-89937-294-8 / 3899372948 |
ISBN-13 | 978-3-89937-294-6 / 9783899372946 |
Zustand | Neuware |
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