The osteology of Balaur bondoc, an island-dwelling dromaeosaurid (Dinosauria, Theropoda) from the late Cretaceous of Romania: 7 tables
The Hat̹eg Island fauna of the terminal late Cretaceous (ca. 71-65 million years ago) of Romania is one of the most unusual dinosaur assemblages in the global fossil record. It has long been recognized that many herbivorous dinosaurs from the Hat̹eg fauna were dwarfed, morphologically aberrant, and/...
Gespeichert in:
| Format: | Buch |
|---|---|
| Sprache: | English |
| Veröffentlicht: |
New York, NY
American Museum of Natural History
2013
|
| Schriftenreihe: | Bulletin of the American Museum of Natural History
374 |
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Zusammenfassung: | The Hat̹eg Island fauna of the terminal late Cretaceous (ca. 71-65 million years ago) of Romania is one of the most unusual dinosaur assemblages in the global fossil record. It has long been recognized that many herbivorous dinosaurs from the Hat̹eg fauna were dwarfed, morphologically aberrant, and/or primitive relative to mainland contemporaries, and these taxa are often considered examples of the so-called island effect: the evolutionary phenomenon by which island-dwelling species are often dwarfed and anatomically modified. Very little, however, is known about the carnivorous dinosaurs that inhabited Hat̹eg Island, and it is unclear whether they were also dwarfed, aberrant, or primitive. In 2009, the discovery of the first substantially complete theropod from the late Cretaceous of Europe, the holotype of the Romanian dromaeosaurid Balaur bondoc, provided the first clear glimpse at an island-dwelling carnivorous dinosaur. Here we describe and figure this remarkably preserved skeleton in detail. We provide detailed descriptions and photographs of individual bones, and make extensive comparisons with other dromaeosaurids (and other derived coelurosaurian theropods). This monographic description provides further evidence that Balaur is an unusual derived dromaeosaurid, closely related to Velociraptor, with a remarkably modified hand and foot skeleton, including a stocky and heavily fused distal hind limb, a double set of hyperextensible pedal claws, and a fused and atrophied hand, which are otherwise unknown among derived coelurosaurian theropods. We present an updated diagnosis of Balaur based on additional preparation of the holotype, comparisons with other dromaeosaurids, and careful consideration of postmortem crushing. Histological techniques demonstrate that both the holotype and a referred specimen of Balaur, which is approximately 50% larger than the holotype and from a separate locality, belong to mature individuals. Therefore, we remove the r |
| Beschreibung: | "Issued February 13, 2013. - Includes bibliographical references (p. 94-100) Anatomy of Romanian dromaeosaurid Balaur |
| Beschreibung: | 100 S. zahlr. Ill., graph. Darst. 26 cm |
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Datensatz im Suchindex
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| adam_text | CONTENTS
ABSTRACT 3
INTRODUCTION 3
INSTITUTIONAL ACRONYMS 4
SYSTEMATIC PALEONTOLOGY 5
HOLOTYPE . 5
TYPE LOCALITY 7
DIAGNOSIS 11
ADDITIONAL MATERIAL 12
LOCALITY OF ADDITIONAL MATERIAL 12
SYSTEMATICS OF ADDITIONAL MATERIAL 12
DESCRIPTION 14
AXIAL SKELETON 14
DORSAL VERTEBRAE 14
SACRAL VERTEBRAE 19
CAUDAL VERTEBRAE 21
PECTORAL GIRDLE AND FORELIMB 22
STERNUM 22
SCAPULOCORACOID 23
HUMERUS 26
REFERRED HUMERUS 29
ULNA 29
REFERRED ULNA 34
RADIUS 34
CARPOMETACARPUS 34
REFERRED MANUAL METACARPAL 40
MANUAL DIGITS 41
MANUAL DIGIT I 42
MANUAL DIGIT II 46
MANUAL DIGIT III 47
REFERRED PHALANGES 47
PELVIC GIRDLE 49
PELVIC CRUSHING 49
ILIUM 54
PUBIS 55
ISCHIUM 56
HIND LIMB 57
TIBIOTARSUS 57
TARSOMETA TARSUS 68
PEDAL DIGITS 72
HISTOLOGY AND GROWTH STAGE 75
HOLOTYPE SPECIMEN 77
REFERRED SPECIMEN 78
PHYTOGENY 78
DISCUSSION 79
THE EUROPEAN LATE CRETACEOUS THEROPOD RECORD 79
ROMANIAN SPECIMENS 81
HUNGARIAN SPECIMENS 82
FRENCH SPECIMENS 82
EUROPEAN LATE CRETACEOUS DINOSAUR BIOGEOGRAPHY 83
BALAUR. AN ISLAND-DWELL IN ILIEROPOD 88
ACKNOWLEDGMENTS 93
REFERENCES 94
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| indexdate | 2024-07-10T01:09:01Z |
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| series | Bulletin of the American Museum of Natural History |
| series2 | Bulletin of the American Museum of Natural History |
| spelling | The osteology of Balaur bondoc, an island-dwelling dromaeosaurid (Dinosauria, Theropoda) from the late Cretaceous of Romania 7 tables Stephen L. Brusatte ... Anatomy of Romanian dromaeosaurid Balaur New York, NY American Museum of Natural History 2013 100 S. zahlr. Ill., graph. Darst. 26 cm txt rdacontent n rdamedia nc rdacarrier Bulletin of the American Museum of Natural History 374 "Issued February 13, 2013. - Includes bibliographical references (p. 94-100) The Hat̹eg Island fauna of the terminal late Cretaceous (ca. 71-65 million years ago) of Romania is one of the most unusual dinosaur assemblages in the global fossil record. It has long been recognized that many herbivorous dinosaurs from the Hat̹eg fauna were dwarfed, morphologically aberrant, and/or primitive relative to mainland contemporaries, and these taxa are often considered examples of the so-called island effect: the evolutionary phenomenon by which island-dwelling species are often dwarfed and anatomically modified. Very little, however, is known about the carnivorous dinosaurs that inhabited Hat̹eg Island, and it is unclear whether they were also dwarfed, aberrant, or primitive. In 2009, the discovery of the first substantially complete theropod from the late Cretaceous of Europe, the holotype of the Romanian dromaeosaurid Balaur bondoc, provided the first clear glimpse at an island-dwelling carnivorous dinosaur. Here we describe and figure this remarkably preserved skeleton in detail. We provide detailed descriptions and photographs of individual bones, and make extensive comparisons with other dromaeosaurids (and other derived coelurosaurian theropods). This monographic description provides further evidence that Balaur is an unusual derived dromaeosaurid, closely related to Velociraptor, with a remarkably modified hand and foot skeleton, including a stocky and heavily fused distal hind limb, a double set of hyperextensible pedal claws, and a fused and atrophied hand, which are otherwise unknown among derived coelurosaurian theropods. We present an updated diagnosis of Balaur based on additional preparation of the holotype, comparisons with other dromaeosaurids, and careful consideration of postmortem crushing. Histological techniques demonstrate that both the holotype and a referred specimen of Balaur, which is approximately 50% larger than the holotype and from a separate locality, belong to mature individuals. Therefore, we remove the r Paläontologie Balaur bondoc Balaur Dromaeosauridae / Romania / Hat̹eg Region (Hunedoara) Dromaeosauridae / Romania / Sebes̹ Region Island animals / Evolution / Romania Dinosaurs / Romania / Hat̹eg Region (Hunedoara) Dinosaurs / Romania / Sebes̹ Region Paleontology / Cretaceous Paleontology / Romania / Hat̹eg Region (Hunedoara) Paleontology / Romania / Sebes̹ Region Kreide (DE-588)4135819-3 gnd rswk-swf Paläobiologie (DE-588)4173106-2 gnd rswk-swf Theropoda (DE-588)4548235-4 gnd rswk-swf Tyrannosaurus (DE-588)4311309-6 gnd rswk-swf Dinosaurier (DE-588)4012362-5 gnd rswk-swf Paläontologie (DE-588)4044375-9 gnd rswk-swf Skelett (DE-588)4133111-4 gnd rswk-swf Knochen (DE-588)4128031-3 gnd rswk-swf Anatomie (DE-588)4001895-7 gnd rswk-swf Rumänien Rumänien (DE-588)4050939-4 gnd rswk-swf Rumänien (DE-588)4050939-4 g Kreide (DE-588)4135819-3 s Theropoda (DE-588)4548235-4 s Knochen (DE-588)4128031-3 s Paläobiologie (DE-588)4173106-2 s Skelett (DE-588)4133111-4 s DE-604 Dinosaurier (DE-588)4012362-5 s Anatomie (DE-588)4001895-7 s Tyrannosaurus (DE-588)4311309-6 s Paläontologie (DE-588)4044375-9 s Brusatte, Steve 1984- Sonstige (DE-588)137026080 oth Bulletin of the American Museum of Natural History 374 (DE-604)BV002662991 374 SWB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=027393706&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | The osteology of Balaur bondoc, an island-dwelling dromaeosaurid (Dinosauria, Theropoda) from the late Cretaceous of Romania 7 tables Bulletin of the American Museum of Natural History Paläontologie Balaur bondoc Balaur Dromaeosauridae / Romania / Hat̹eg Region (Hunedoara) Dromaeosauridae / Romania / Sebes̹ Region Island animals / Evolution / Romania Dinosaurs / Romania / Hat̹eg Region (Hunedoara) Dinosaurs / Romania / Sebes̹ Region Paleontology / Cretaceous Paleontology / Romania / Hat̹eg Region (Hunedoara) Paleontology / Romania / Sebes̹ Region Kreide (DE-588)4135819-3 gnd Paläobiologie (DE-588)4173106-2 gnd Theropoda (DE-588)4548235-4 gnd Tyrannosaurus (DE-588)4311309-6 gnd Dinosaurier (DE-588)4012362-5 gnd Paläontologie (DE-588)4044375-9 gnd Skelett (DE-588)4133111-4 gnd Knochen (DE-588)4128031-3 gnd Anatomie (DE-588)4001895-7 gnd |
| subject_GND | (DE-588)4135819-3 (DE-588)4173106-2 (DE-588)4548235-4 (DE-588)4311309-6 (DE-588)4012362-5 (DE-588)4044375-9 (DE-588)4133111-4 (DE-588)4128031-3 (DE-588)4001895-7 (DE-588)4050939-4 |
| title | The osteology of Balaur bondoc, an island-dwelling dromaeosaurid (Dinosauria, Theropoda) from the late Cretaceous of Romania 7 tables |
| title_alt | Anatomy of Romanian dromaeosaurid Balaur |
| title_auth | The osteology of Balaur bondoc, an island-dwelling dromaeosaurid (Dinosauria, Theropoda) from the late Cretaceous of Romania 7 tables |
| title_exact_search | The osteology of Balaur bondoc, an island-dwelling dromaeosaurid (Dinosauria, Theropoda) from the late Cretaceous of Romania 7 tables |
| title_full | The osteology of Balaur bondoc, an island-dwelling dromaeosaurid (Dinosauria, Theropoda) from the late Cretaceous of Romania 7 tables Stephen L. Brusatte ... |
| title_fullStr | The osteology of Balaur bondoc, an island-dwelling dromaeosaurid (Dinosauria, Theropoda) from the late Cretaceous of Romania 7 tables Stephen L. Brusatte ... |
| title_full_unstemmed | The osteology of Balaur bondoc, an island-dwelling dromaeosaurid (Dinosauria, Theropoda) from the late Cretaceous of Romania 7 tables Stephen L. Brusatte ... |
| title_short | The osteology of Balaur bondoc, an island-dwelling dromaeosaurid (Dinosauria, Theropoda) from the late Cretaceous of Romania |
| title_sort | the osteology of balaur bondoc an island dwelling dromaeosaurid dinosauria theropoda from the late cretaceous of romania 7 tables |
| title_sub | 7 tables |
| topic | Paläontologie Balaur bondoc Balaur Dromaeosauridae / Romania / Hat̹eg Region (Hunedoara) Dromaeosauridae / Romania / Sebes̹ Region Island animals / Evolution / Romania Dinosaurs / Romania / Hat̹eg Region (Hunedoara) Dinosaurs / Romania / Sebes̹ Region Paleontology / Cretaceous Paleontology / Romania / Hat̹eg Region (Hunedoara) Paleontology / Romania / Sebes̹ Region Kreide (DE-588)4135819-3 gnd Paläobiologie (DE-588)4173106-2 gnd Theropoda (DE-588)4548235-4 gnd Tyrannosaurus (DE-588)4311309-6 gnd Dinosaurier (DE-588)4012362-5 gnd Paläontologie (DE-588)4044375-9 gnd Skelett (DE-588)4133111-4 gnd Knochen (DE-588)4128031-3 gnd Anatomie (DE-588)4001895-7 gnd |
| topic_facet | Paläontologie Balaur bondoc Balaur Dromaeosauridae / Romania / Hat̹eg Region (Hunedoara) Dromaeosauridae / Romania / Sebes̹ Region Island animals / Evolution / Romania Dinosaurs / Romania / Hat̹eg Region (Hunedoara) Dinosaurs / Romania / Sebes̹ Region Paleontology / Cretaceous Paleontology / Romania / Hat̹eg Region (Hunedoara) Paleontology / Romania / Sebes̹ Region Kreide Paläobiologie Theropoda Tyrannosaurus Dinosaurier Skelett Knochen Anatomie Rumänien |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=027393706&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| volume_link | (DE-604)BV002662991 |
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