Re-evaluation of teeth referred to the Late Cretaceous shark Ptychodus polygyrus from
North America are hereby determined to be synonymous with another species having …

Although known from Mesozoic marine, fresh and brackish water deposits from North
America, Europe, Africa and Asia, hybodont shark remains have been rarely reported from …

Although Ptychodus teeth are well known in Late Cretaceous marine deposits in North
America and Europe and a few specimens with jaw elements have been discovered, the …

The first shark from the early Late Cretaceous Konservat Lagerstätte of Agoult (south-
eastern Morocco) is described. The specimen consists of the anterior part of an articulated …

Several specimens of the Late Cretaceous lamniform shark, Cretoxyrhina mantelli (Agassiz),
from the Niobrara Chalk of Kansas suggest that the shark fed on teleosts, mosasaurs, and …

Due to an incomplete fossil record, little is known about lamniform shark life history from the
Early Cretaceous of North America. Recent discoveries have shown that during this time …

The chondrichthyan fauna of the Palaeogene Pamunkey Group of Maryland and Virginia is
listed for the first time. A number of small species, Squalus orpiensis, Squalus minor …

The skeletal and dental anatomy of the Late Jurassic squatinoids of southern Germany are
reviewed and their relationships with living angelsharks and other neoselachians are …

ABSTRACT Ptychodus (Elasmobranchii: Ptychodontidae) is an enigmatic durophagous
shark known from Cretaceous marine deposits nearly worldwide based primarily on isolated …

The middle part of the Cretaceous represents a time of high diversity and rapid rates of
dental evolution in lamniform sharks. Several species had a very wide spatial distribution …