2 edition of new shark of the family Ptychodontidae from South America. found in the catalog.
new shark of the family Ptychodontidae from South America.
Roy Herbert Reinhart
|Series||University of California publications in geological sciences,, v. 28, no. 8, University of California publications in geological sciences ;, v. 28, no. 8.|
|LC Classifications||QE1 .C15 vol. 28. no. 8|
|The Physical Object|
|Number of Pages||201|
|LC Control Number||a 51009237|
Nobu Tamura. The lithe, feathered, predatory dinosaurs known as raptors were mainly confined to late Cretaceous North America and Eurasia, but a few lucky genera managed to cross into the southern hemisphere. To date, Austroraptor is the largest raptor ever to be discovered in South America, weighing about pounds and measuring over 15 feet from head to tail--still not quite a . This article is part of WikiProject Fishes, an attempt to organise a detailed guide to all topics related to Fish participate, you can edit the attached article, or contribute further at WikiProject project is an offshoot of the WikiProject Tree of Life Stub This article has been rated as Stub-Class on the project's quality scale.
This list of fossil fishes described in is a list of new taxa of jawless vertebrates, placoderms, acanthodians, fossil cartilaginous fishes, bony fishes, and other fishes of every kind that were described during the year , as well as other significant discoveries and events related to paleoichthyology that occurred in The smooth hammerhead (Sphyrna zygaena) is a species of hammerhead shark, and part of the family species is named "smooth hammerhead" because of the distinctive shape of the head, which is flattened and laterally extended into a hammer shape (called the "cephalofoil"), without an indentation in the middle of the front margin (hence "smooth").
New research has identified the species of shark currently found in hotter parts of the world that could migrate to UK waters by as the oceans warm. Mr. Goo goes on a food trip to South America, and he's sharing his great food finds! The main advantage of presenting information through picture books is that it put to paper what are otherwise mental images if described through.
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Get this from a library. A new shark of the family Ptychodontidae from South America. [Roy Herbert Reinhart].
"A new genus of sea cow from the Miocene of Colombia". Bulletin of the Department of Geological Sciences, University of California. 28 (9): – LCCN OCLC Reinhart, Roy H. Collected papers.
OCLC Reinhart, Roy H. "A new shark of the family Ptychodontidae from South America".Born: R.H. ReinhartA new shark of the family Ptychodontidae from South America University of California Publications in Geological Sciences, 28 (), pp. Google ScholarCited by: 2.
The family Ptychodontidae Jaekel, was for- — A new shark of the family. The fossil record of the family in South America is very sparse and previously was restricted to outcrops in.
A new shark of the family Ptychodontidae from. from Venezuela is no richer than elsewhere in South America and is restricted to the Cenomanian-Campanian of La Luna Formation. Geosciences. 1. Introduction. The ptychodontid sharks were a group of highly specialized durophagous marine taxa that were globally widespread from North and South America, Europe, Africa, Asia and Australia from the Cenomanian through Campanian during the Late Cretaceous (Cappetta,Cappetta, ).In an unpublished Master's Thesis (), the Ptychodontidae was to consist of three.
A new shark of the family Ptychodontidae from South America. Jan ; ; REINHART, R.T., A new shark of the family Ptychodontidae from South America.-University of California.
A new shark of the family ptychodontide from South America. University of California Publications, Bulletin of Geological Sciences, 28, Digital shaded relief map of Venezuela (v): US. 1. Introduction. Ptychodus is a highly specialized extinct genus of the family Ptychodontidae (Elasmobranchii).
It is characterized by distinctive grinding-type (durophagous) dentition and is known from the Albian–Campanian (–70 Ma) stages of the Cretaceous Period (Cappetta, ).It has a global distribution and is well represented in the fossil record by isolated teeth.
BookShark's engaging program helps parents connect with their children. Our curriculum schedules Read-Alouds with discussion questions that encourage open conversation and inspire families to learn together. BookShark offers students an engaging literature-based learning approach that utilizes. The Late Cretaceous shark, Ptychodus rugosus, (Ptychodontidae) in the Western Interior Sea.
Kansas Academy of Science, Transactions () Hamm, S.A. The Late Cretaceous shark Ptychodus marginalis in the Western Interior Seaway, USA. Journal of Paleontology 84(3) Hamm, S. and M. Everhart. - The Late Cretaceous Shark Ptychodus marginalis in the Western Interior Seaway, USA.
- Journal of Paleontology 84(3), pp - Shawn A. Hamm - - A new skeletal remain of the durophagous shark, Ptychodus mortoni, from the Upper Cretaceous of North America: an indication of gigantic body size.
- Cretaceous Research, Vol 31 Issue 2. Associated and isolated teeth of Ptychodus are common in the Upper Cretaceous of Africa, Asia, Europe and North and South America (e.g., Cappetta, ;Shimada, ;Hamm, ).
Paige Winter, 17, lost a leg to a shark attack in June She was attacked off the North Carolina coast, and according to a family Facebook post, Winter's father, Charlie, "punched the shark in.
According to these new data, it appears reasonable to remove Heteroptychodus from the family Ptychodontidae. Based on similar ornamentation pattern, Heteroptychodus and Isanodus are closely related (Cuny et al.,Cuny, ) but their relationships with Ptychodus Agassiz, and Hubeiodus are currently difficult to assess.
Ptychodus is a Cretaceous shark genus occurring in Albian to Early Campanian marine deposits of North and South America, Europe, Africa and Asia (Cappetta ). The genus is known primarily by its teeth, which are characterized by a massive crown suited for crushing shelled macroinvertebrates (durophagy: e.g., see Kauffman ; Stewart a).
Ptychodontidae is a family of extinct hybodontiform sharks which lived from the Cretaceous to the Paleogene. References This prehistoric fish-related article is a stub.
You can help Fossil Wiki by expanding it. Ptychodontidae Fossil range: Cretaceous–Paleogene PreЄ Є O S D C P T J K Pg N. Ptychodus Agassiz,is an enigmatic Cretaceous shark genus belonging to its own family, Ptychodontidae. Ptychodus oc curs in Albian-Campanian marine deposits of North and South America, Europe, Africa, and Asia (Cappetta, ).
In North America, it is particularly common in Late Cretaceous deposits. A new large Late Cretaceous lamniform shark from North America, with comments on the taxonomy, paleoecology, and evolution of the genus Cretodus.
Journal of Vertebrate Paleontology, 39 (4): DOI: / Find a new world at your fingertips with our wide selection of books online at Barnes & Noble®.
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(See this page on shark anatomy if you need help.) Click on the link in the row that best matches your shark. Your choice will lead you to a link to the species profile page for that shark or the next appropriate pair of questions.
Work through the questions, each time choosing the characteristic that best matches your shark from the two choices.Ptychodus (Elasmobranchii, Ptychodontidae) is an enigmatic durophagous shark that lived in Cretaceous seas. Based on multiple articulated tooth plates of Ptychodus mortoni from the Niobrara Chalk in Kansas, the dental pattern of P.
mortoni and its paleobiological implications were examined. Each tooth plate consists of one medial tooth row and about nine lateral tooth rows on each side.
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