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Ptychodus

De Wikipedia, la enciclopedia libre

 
Ptychodus
Rango temporal: 99,6 Ma - 61,7 Ma
Cretáceo - Paleógeno

Ptychodus mortoni
Taxonomía
Reino: Animalia
Filo: Chordata
Subfilo: Vertebrata
Infrafilo: Gnathostomata
Clase: Chondrichthyes
Subclase: Elasmobranchii
Superorden: Selachimorpha
Orden: Hybodontiformes
Superfamilia: Hybodontoidea
Familia: Ptychodontidae
Género: Ptychodus
Agassiz
Especies

Ptychodus altior Agassiz 1839
Ptychodus anonymus Williston 1900
Ptychodus arcuatus Agassiz 1837
Ptychodus articulatus Agassiz 1837
Ptychodus belluccii Bonarelli 1899
Ptychodus concentricus Agassiz 1839
Ptychodus decurrens Agassiz 1839
Ptychodus elevatus Leriche 1929
Ptychodus gibberulus Agassiz 1837
Ptychodus janewayii Cope 1874
Ptychodus latissimus Agassiz 1843
Ptychodus mahakalensis Chiplonkar and Ghare 1977
Ptychodus mammillaris Agassiz 1839
Ptychodus marginalis Agassiz 1839
Ptychodus mortoni Agassiz 1843
Ptychodus multistriatus Woodward 1889
Ptychodus oweni Dixon 1850
Ptychodus paucisulcatus Dixon 1850
Ptychodus polygyrus Agassiz 1839
Ptychodus rugosus Dixon 1850
Ptychodus spectabili Agassiz 1837
Ptychodus whipplei Marcou 1858

[editar datos en Wikidata]

Ptychodus (del griego ptyche = pliegue, odus = diente) es un género extinto de[1]​ tiburón hibodontiforme que vivió del Cretáceo al Paleógeno.[2]​ Ptychodus media alrededor de diez metros y fue descubierto en Kansas, Estados Unidos.[3]​

Ptychodus sp de Cantabria, norte de España.
Vértebras de Ptychodus sp norte de España.

Referencias

  1. ↑ Ward, David. Fossils. Smithsonian Handbooks, p. 200.
  2. ↑ Ptychodus, The Paleobiology Database. Consultado el 23 de agosto de 2009.
  3. ↑ Walker, Matt (24 de febrero de 2010). «Giant predatory shark fossil unearthed in Kansas». BBC News (en inglés). Consultado el 4 de noviembre de 2010. 

Bibliografía

  • Williston, Samuel (1900). University Geological Survey of Kansas, Volume VI: Paleontology part II, (Carboniferous invertebrates and Cretaceous fish)

Enlaces externos

Esta página se editó por última vez el 22 ene 2024 a las 22:12.
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