Origin of the white shark Carcharodon (Lamniformes: Lamnidae) based on recalibration of the Upper Neogene Pisco Formation of Peru
The taxonomic origin of the white shark, Carcharodon, is a highly debated subject. New
fossil evidence presented in this study suggests that the genus is derived from the broad …
fossil evidence presented in this study suggests that the genus is derived from the broad …
The Deep Past of the White Shark, Carcharodon carcharias, in the Mediterranean Sea: A Synthesis of Its Palaeobiology and Palaeoecology
The white shark, Carcharodon carcharias, is the main top predator of the present-day
Mediterranean Sea. The deep past of C. carcharias in the Mediterranean is witnessed by a …
Mediterranean Sea. The deep past of C. carcharias in the Mediterranean is witnessed by a …
Dental homologies in lamniform sharks (Chondrichthyes: Elasmobranchii)
K Shimada - Journal of Morphology, 2002 - Wiley Online Library
The dentitions of lamniform sharks are said to exhibit a unique heterodonty called the
“lamnoid tooth pattern.” The presence of an inflated hollow “dental bulla” on each jaw …
“lamnoid tooth pattern.” The presence of an inflated hollow “dental bulla” on each jaw …
Body, jaw, and dentition lengths of macrophagous lamniform sharks, and body size evolution in Lamniformes with special reference to 'off-the-scale'gigantism of the …
K Shimada, MA Becker, ML Griffiths - Historical Biology, 2021 - Taylor & Francis
ABSTRACT Extinct lamniform sharks (Elasmobranchii: Lamniformes) are well represented in
the late Mesozoic‒Cenozoic fossil record, yet their biology is poorly understood because …
the late Mesozoic‒Cenozoic fossil record, yet their biology is poorly understood because …
Fossil marine vertebrates from the lowermost Greenhorn Limestone (Upper Cretaceous: middle Cenomanian) in southeastern Colorado
K Shimada, BA Schumacher, JA Parkin… - Journal of …, 2006 - BioOne
Fossiliferous deposits of the Greenhorn Limestone (Upper Cretaceous) are found on the
Comanche National Grassland in southeastern Colorado. The lowest portion of the …
Comanche National Grassland in southeastern Colorado. The lowest portion of the …
A new large lamniform shark from the uppermost Gearle Siltstone (Cenomanian, Late Cretaceous) of Western Australia
M Siverson - Earth and Environmental Science Transactions of the …, 1999 - cambridge.org
An association of 100 teeth and 15 vertebrae from a large, lamniform shark, is described
from the uppermost part of the Gearle Siltstone in the Giralia Anticline, Southern Carnarvon …
from the uppermost part of the Gearle Siltstone in the Giralia Anticline, Southern Carnarvon …
A well preserved skeleton of the fossil shark Cosmopolitodus hastalis from the late Miocene of Peru, featuring fish remains as fossilized stomach contents
A Collareta, W Landini, C Chacaltana… - Rivista Italiana di …, 2017 - arpi.unipi.it
Both the preservation of the poorly mineralized skeleton of sharks and the preservation of
stomach contents are rarely observed in the fossil record. Here we report on a partial …
stomach contents are rarely observed in the fossil record. Here we report on a partial …
Regional endothermy as a trigger for gigantism in some extinct macropredatory sharks
HG Ferrón - PloS one, 2017 - journals.plos.org
Otodontids include some of the largest macropredatory sharks that ever lived, the most
extreme case being Otodus (Megaselachus) megalodon. The reasons underlying their …
extreme case being Otodus (Megaselachus) megalodon. The reasons underlying their …
Phylogeny of lamniform sharks (Chondrichthyes: Elasmobranchii) and the contribution of dental characters to lamniform systematics
K Shimada - Paleontological Research, 2005 - jstage.jst.go.jp
Lamniform sharks (Chondrichthyes: Elasmobranchii) are common in the fossil record but are
represented mainly by isolated teeth. A phylogenetic analysis of 15 extant lamniform species …
represented mainly by isolated teeth. A phylogenetic analysis of 15 extant lamniform species …
Skeletal anatomy of the Late Cretaceous shark,Squalicorax (Neoselachii: Anacoracidae)
K Shimada, DJ Cicimurri - Palaeontologische Zeitschrift, 2005 - Springer
The paleobiology of the Cretaceous neoselachian shark, Squalicorax, has largely been
based on isolated teeth. We examined partial and nearly complete skeletons of three …
based on isolated teeth. We examined partial and nearly complete skeletons of three …