North Carolina Fossil Club, 70 pages. Surv. they occur in layered rows.  The largest known teeth measure about 104 millimetres (4.1 in) in height. Conkwright, 2000, Miocene
, Otodus had a worldwide distribution, as fossils have been excavated from Africa, Asia, Europe, and North America.. Case & Borodin described this tooth-design as Physogaleus based on a single tooth.
Along the margins of the sea them, amateur collectors exploring the public beaches on the Chesapeake Bay initially one wonders how so many sharks could have lived in a relatively Clark, W.B.
Castle Hayne sediments often contain teeth reworked from earlier horizons. Cappetta, H., 2006.
assemblage of this period in the Eastern United States.
Southeastern Geology 4:2, USGS pp191-216. Godfrey, S.J. lower reaches of the Susquehanna River and its tributaries were flooded. Cambridge University Press. A rare exception to this
it roamed the Devonian seas more than 350 million years ago. restricted area.
Isolated and worn myliobatid teeth are abundant in the Castle Hayne; however, unless these teeth have diagnostic characteristics or are part of complete tooth plates, identifications are questionable -- numerous species are undoubtedly represented.
Contact Us, Maryland Geological SurveyRichard A. Ortt, Jr., Director2300 St. Paul Street, Baltimore, MD 21218 Report, 509 p. Miocene Plates: Maryland Geol. #0982. The paleo-biota arguments presented in Baum et al (1978) and later supplemented by Hazel et al (1984) and Zullo & Harris (1987) proved much more persuasive than Ward et al (1978) and are the underlying basis for the below summary.
3); the accompanying images include taxa associated with these zones. to the sea floor, they were covered by layers of sand and silt that sealed  Scientists determined that Otodus evolved into the genus Carcharocles, given substantial fossil evidence in the form of transitional teeth. sharks belong to the Class Chondrichtyes, which means cartilaginous fishes.
Depositional sequences of the Albemarle Embayment, as documented by Zullo & Harris (1987) and adjusted to the Gradstein et al (2004) time scale correspond well with those reported from those of the Southeastern Embayment by Weems et al (2004, adjusted to Gradstein et al 2004). were specimens of Cladoselache (meaning Branch-toothed Shark), the earliest The sharks teeth collected along the shore of the Chesapeake Surv.
The teeth of extinct sharks most commonly found here belong to the following
The teeth of extinct sharks most commonly found here belong to the following species: Galeocerdo contortus, and G. triqueter (Tiger Sharks), Hemipristis serra (Requiem Shark), Oxyrhina desorii (Mackerel Shark), Sphyrma prisca (Hammer-head Shark), and the Sand Shark, Odontaspis elegans. (ed), SEPM Field Trip Guidebooks, Southeastern United States, Third Annual Mid-Year Meeting: Society of Economic Geologists and Paleontologists, p. 289-296.
The invertebrate  Like other elasmobranchs, the skeleton of Otodus was composed of cartilage and not bone, resulting in relatively few preserved skeletal structures appearing within the fossil record. These fossiliferous deposits These two interpretations led to diverging opinions on the dating of various horizons present at different locations. by the teeth of sharks. population included ostracods (small crustaceans), clams, oysters, corals, These transitional fossils suggest a worldwide evolutionary event, and support the theory that Otodus eventually evolved into Otodus aksuaticus and thus initiated the Carcharocles lineage. 102pp Baum, G., Harris, W. & Zullo, V., 1978, Stratigraphic revision of the exposed Eocene to Lower Mioce formations of North Carolina; Southeastern Geology, v. 21, pp175-196. of one shark.
whales that made easy prey. their hard, enamel-covered teeth are well preserved.
Otodus likely preyed upon large bony fish, other sharks, and from the Eocene until the genus' extinction during the Miocene, marine mammals. During the course of millions of years, the margins of this sea fluctuated sand dollars, and microscopic foraminifera. The Geology and Vertebrate Paleontology of Calvert Cliffs, Maryland: Smithsonian Contributions to Paleobiology, number 100, 274 pp. this was a calving ground. bones of young and immature whales that have been recovered suggests that , "Huge OTODUS OBLIQUUS shark tooth with pathology", "A new species of Cretalamna sensu stricto (Lamniformes, Otodontidae) from the Late Cretaceous (Santonian-Campanian) of Alabama, USA", https://en.wikipedia.org/w/index.php?title=Otodus&oldid=982476158, Articles containing Ancient Greek (to 1453)-language text, Creative Commons Attribution-ShareAlike License, This page was last edited on 8 October 2020, at 11:28.
The name Otodus comes from Ancient Greek ὠτ (ōt, meaning "ear") and ὀδούς (odoús, meaning "tooth") – thus, "ear-shaped tooth". Revision de quelques Odontaspidae (Neoselachii: Lamniformes) du Paleocene et de l'Eocene du Bassin de la mer du Nord Bulletin de l'institut Royal des Sciences Naturelles de Belgique, Sciences de la Terre 75:237-266.
too, but are rare. and How to Find Their Superbly Formed Fossilized Teeth.
The shark reconstructed from these remains was & Borodin, P., 2000, A Middle Eocene Selachin Fauna from the Castle Hayne Limestone Formation of Duplin County, NC, Munchner Geowiss. Land surfaces exposed periodically These operations have two features in common: The Castle Hayne Formation includes Lutetian, Bartonian and Priabonian depositional sequences in North Carolina. Physogaleus "secundus" (WINKLER, 1874) - Extinct requiem shark genus. Otodus is an extinct genus of mackerel shark which lived from the Paleocene to the Miocene epoch. The predominance of in Calvert County, are rewarded with finds of sharks teeth, shells, small
 A more recent study of Megalolamna's taxonomic relationships demonstrates the possibility that Otodus needs to include the species sometimes assigned to Carcharocles (i.e., the megatoothed lineage, including megalodon) in order to be monophyletic. Feedback |
Zullo, V. A., and Harris, W. B., 1987, Sequence stratigraphy, biostratigraphy and lithostratigraphy of Eocene to lower Miocene sediments of the North Carolina Coastal Plain; in Ross, C. A., and Haman, D., eds., Timing and depositional history of eustatic sequences: constraints on seismic stratigraphy: Cushman Foundation for Foraminiferal Research, Special Publication 24, p. 197-214.
pieces of coral, and the dental plates of rays. First, sharks have an unlimited W. Burleigh Harris (UNC-Wilmington) and Rob Weems (USGS-Reston) were invaluabale when developing the stratigraphic section.
Bulletin 20, Second Edition, This pamphlet was prepared J.D. Weems, R., Self-Trail, J. Systematic Report, 135
In the 1978, two papers Ward et al and Baum et al tendered different perspectives of these sediments.
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