Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Ralf Kosma"'
Autor:
Valentin Fischer, Michael W Maisch, Darren Naish, Ralf Kosma, Jeff Liston, Ulrich Joger, Fritz J Krüger, Judith Pardo Pérez, Jessica Tainsh, Robert M Appleby
Publikováno v:
PLoS ONE, Vol 7, Iss 1, p e29234 (2012)
BackgroundIchthyosauria is a diverse clade of marine amniotes that spanned most of the Mesozoic. Until recently, most authors interpreted the fossil record as showing that three major extinction events affected this group during its history: one duri
Externí odkaz:
https://doaj.org/article/8168de6483744a2e813236e68ae5ea46
Autor:
Valentin Fischer, Michael W. Maisch, Darren Naish, Ralf Kosma, Jeff Liston, Ulrich Joger, Fritz J. Krüger, Judith Pardo Pérez, Jessica Tainsh, Robert M. Appleby
Publikováno v:
PLoS ONE, Vol 7, Iss 1 (2012)
Externí odkaz:
https://doaj.org/article/3a76600dd4f8441db50e7b511803c856
Publikováno v:
PLoS ONE, Vol 6, Iss 2, p e14642 (2011)
BackgroundA new dinosaur tracksite from ?Middle Jurassic sediments of the Irhazer Group on the plains of Agadez (Rep. Niger, northwest Africa) revealed extraordinarily well preserved didactyl tracks of a digitigrade bipedal trackmaker. The distinct m
Externí odkaz:
https://doaj.org/article/30f308aff67c47b8a21602996dae94c9
Autor:
Kristian Remes, Francisco Ortega, Ignacio Fierro, Ulrich Joger, Ralf Kosma, José Manuel Marín Ferrer, Project PALDES, Niger Project SNHM, Oumarou Amadou Ide, Abdoulaye Maga
Publikováno v:
PLoS ONE, Vol 4, Iss 9, p e6924 (2009)
The early evolution of sauropod dinosaurs is poorly understood because of a highly incomplete fossil record. New discoveries of Early and Middle Jurassic sauropods have a great potential to lead to a better understanding of early sauropod evolution a
Externí odkaz:
https://doaj.org/article/378656005da64ec995bde345424a611d
Publikováno v:
Jahresberichte und Mitteilungen des Oberrheinischen Geologischen Vereins. 100:447-479
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6c9d1cd2df9b68ae0dac9014cf4d44eb
https://doi.org/10.1127/jmogv/100/0013
https://doi.org/10.1127/jmogv/100/0013
Autor:
Santiago Brizuela, Ralf Kosma
Publikováno v:
South American Journal of Herpetology. 12:200-204
The teiid genera Dicrodon and Teius possess transverse bicuspid posterior teeth on the dentaries and maxillae. In general, their dentition is considered to be comparable, and little attention has been given to their dental morphology. Here the dentit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::56f558e574aad4d5b58adc2df25fc20d
https://doi.org/10.2994/sajh-d-16-00032.1
https://doi.org/10.2994/sajh-d-16-00032.1
Autor:
Ralf Kosma
Publikováno v:
Paleontological Collections of Germany, Austria and Switzerland ISBN: 9783319774008
The paleontological collections of the State Museum of Natural History in Braunschweig, Germany, originate from a long history of fossil collecting accomplished by local aristocrats, teachers, and other citizens of the Braunschweig region. The museum
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::168faf1af60d1d5931e93b33b8a725a9
https://doi.org/10.1007/978-3-319-77401-5_9
https://doi.org/10.1007/978-3-319-77401-5_9
Publikováno v:
Journal of Vertebrate Paleontology. 38:(1)-(4)
Citation for this article: Villa, A., R. Kosma, A. Cerňanský, and M. Delfino. 2018. Taxonomic assessment of ‘Bavaricordylus’ Kosma, 2004 (Reptilia, Squamata). Journal of Vertebrate Paleontology. DOI: 10.1080/02724634.2018.1487844.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::93ae27113ed603023b3aa5e47755dbd6
https://doi.org/10.1080/02724634.2018.1487844
https://doi.org/10.1080/02724634.2018.1487844
Autor:
Carsten Helm, Ralf Kosma
Publikováno v:
Paläontologische Zeitschrift. 80:22-33
The hexactinellid spongeAphrocallistes alveolites (Roemer, 1841) from Campanian calcareous to marly rocks of the Hannover area is redescribed. Based on well preserved larger fragments of the sponge body, its generai growth-form is reconstructed. It i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8cf07e73dc3cfaaab4291173f04438e9
https://doi.org/10.1007/bf02988395
https://doi.org/10.1007/bf02988395
Autor:
Ulrich Joger, Ralf Kosma, Bruce M. Rothschild, Oliver Hampe, Patrick Asbach, Daniela Schwarz, Florian Witzmann
Publikováno v:
Journal of Vertebrate Paleontology. 36:e1080719
Several abnormal caudal vertebrae are described in an indeterminate sauropod specimen from ?Middle—Late Jurassic strata of Niger. The anterior and posterior articular surfaces of caudal vertebrae 7–11 exhibit erosive perforations (‘holes’) of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5f1c3fc1e130f398f04f9b4b5880ceaf
https://doi.org/10.1080/02724634.2016.1080719
https://doi.org/10.1080/02724634.2016.1080719