Revised taxonomy, age, and geographic range of the large lamniform shark Cretodus semiplicatus

DR Schwimmer, GE Hooks III… - Journal of Vertebrate …, 2002 - Taylor & Francis
AUMP 2752 (Fig. IG, H) is a smaller tooth (total height 35 mm, width across root 19 mm), with
a deeply forked, narrow, asymmetrical root and a slightly inclined, narrow cusp. Based on …

A new large Late Cretaceous lamniform shark from North America, with comments on the taxonomy, paleoecology, and evolution of the genus Cretodus

K Shimada, MJ Everhart - Journal of Vertebrate Paleontology, 2019 - Taylor & Francis
We describe a partial skeleton of the Late Cretaceous shark, Cretodus, collected from the
Blue Hill Shale (middle Turonian) in north-central Kansas, USA It consists of 134 …

Skeletal and dental anatomy of lamniform shark, Cretalamna appendiculata, from Upper Cretaceous Niobrara Chalk of Kansas

K Shimada - Journal of Vertebrate Paleontology, 2007 - Taylor & Francis
Cretalamna (= Cretolamna) appendiculata is an extinct lamniform shark primarily known by
isolated teeth and traditionally classified into Cretoxyrhinidae. Here, a partial skeleton of C …

Skeletal anatomy of the Late Cretaceous lamniform shark, Cretoxyrhina mantelli from the Niobrara Chalk in Kansas

K Shimada - Journal of Vertebrate Paleontology, 1997 - Taylor & Francis
Some specimens of the Late Cretaceous lamniform shark, Cretoxyrhina mantelli (Agassiz),
from the Niobrara Chalk in Kansas are represented by partial skeletons. The vertebral and …

First record of a large lamniform shark Cretodus semiplicatus in the Pacific region, from the Mikasa Formation (Lower Cenomanian), Hokkaido, Japan

T Tomita, KI Kurihara - Paleontological Research, 2011 - BioOne
Discussion.—The morphology of the specimen suggests it to be a lateral tooth of Cretodus
semiplicatus. The main characters that separate the genus Cretodus from other Cretaceous …

Paleobiology of the Late Cretaceous shark, Cretoxyrhina mantelli (Lamniformes: Cretoxyrhinidae), from Kansas

K Shimada - 1994 - scholars.fhsu.edu
Most extinct modern-level elasmobranchs, including most selachians from the Upper
Cretaceous deposits of Kansas, are known only from isolated teeth. However, some …

[PDF][PDF] A new fossil basking shark (Lamniformes: Cetorhinidae) from the middle miocene sharktooth hill bonebed, Kern County, California

BJ Welton - Contributions in Science, 2014 - pdfs.semanticscholar.org
Isolated teeth of a middle Miocene cetorhinid genus, Cetorhinus Blainville 1816, occur
abundantly in rocks of the Round Mountain Silt, Sharktooth Hill Bonebed, southeastern San …

Dentition of the Late Cretaceous lamniform shark, Cretoxyrhina mantelli from the Niobrara Chalk of Kansas

K Shimada - Journal of Vertebrate Paleontology, 1997 - Taylor & Francis
Some specimens of the Late Cretaceous shark, Cretoxyrhina mantelli (Agassiz), from the
Niobrara Chalk in Kansas have been found with partial or nearly complete sets of teeth …

A partial skeleton of the Late Cretaceous lamniform shark, Archaeolamna kopingensis, from the Pierre Shale of western Kansas, USA

TD Cook, MG Newbrey, AM Murray… - Journal of Vertebrate …, 2011 - Taylor & Francis
All previous records of the lamniform shark, Archaeolamna kopingensis, are based on
isolated teeth. Here we describe a partial skeleton from the Sharon Springs Formation of the …

Biology and dental morphology of Priscusurus adruptodontus, gen. et sp. nov. (Chondrichthyes, Lamniformes) from the Albian (Early Cretaceous) of Peru

J Kriwet - Journal of Vertebrate Paleontology, 2006 - Taylor & Francis
ABSTRACT A partial association of fourteen teeth from a small lamniform shark with
uncertain affinities is described. The material comes from the middle? Albian of Peru and …