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Isurus Índice Especies | Notas | Véxase tamén | Menú de navegación"A compendium of fossil marine animal genera (Chondrichthyes entry)"o orixinal"A review of the Tertiary fossil Cetacea (Mammalia) localities in wales port taf Museum Victoria"o orixinalThe Vertebrate Fauna of the Selma Formation of Alabama. Part VII. Part VIII. The Mosasaurs The Fishes50419737IDsh85068767Isurus2548834613242066569678159923NHMSYS00210535017845105743

Elasmobranquios


Marraxo azul pequeno (I. paucus)xénerocondrictioselasmobranquioslamniformesfamilialámnidosmarraxo azulmarraxo azul pequenofósiles












Isurus




Na Galipedia, a Wikipedia en galego.






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Isurus
Rango fósil: tanetiano (paleoceno inferior,
hai 56 Ma) - actualidade [1]


Marraxo azul (I. oxyrinchus)
Marraxo azul (I. oxyrinchus)

Marraxo azul pequeno (I. paucus)
Marraxo azul pequeno (I. paucus)



Clasificación científica
















Reino:

Animalia


Filo:

Chordata


Clase:

Chondrichthyes

Subclase:

Elasmobranchii


Orde:

Lamniformes


Familia:

Lamnidae


Xénero:

Isurus
Rafinesque, 1810

Especie tipo

Isurus oxyrhinchus
Rafinesque, 1810

Sinonimia


  • Isuropsis Gill, 1862


  • Lamiostoma Glikman, 1964


  • Oxyrhina Agassiz, 1838


  • Oxyrrhina Bonaparte, 1846


  • Plectrostoma Gistel, 1848


Isurus é un xénero de condrictios elasmobranquios lamniformes (Lamniformes) da familia dos lámnidos (Lamnidae), coñecidos como marraxos azuis.


Comprende dúas especies, o marraxo azul (Isurus oxyrinchus) e o moi raro marraxo azul pequeno (Isurus paucus), ademais de varias especies extintas.


Miden entre 2,5 e 4,5 m de lonxitude, e alcanzan un peso máximo aproximado de 800 kg.




Índice





  • 1 Especies


  • 2 Notas


  • 3 Véxase tamén

    • 3.1 Bibliografía


    • 3.2 Outros artigos





Especies |


O xénero conta con dúas especies viventes:



  • Isurus oxyrinchus Rafinesque, 1810 (marraxo azul)


  • Isurus paucus Guitart-Manday, 1966 (marraxo azul pequeno)

E entre as fósiles están Isurus hastalis, I. retroflexus, I. desori, I. escheri e I. planus.[2][3]



Notas |




  1. Sepkoski, Jack (2002). "A compendium of fossil marine animal genera (Chondrichthyes entry)". Bulletins of American Paleontology 364: 560. Arquivado dende o orixinal o 10/05/2012. Consultado o 27/11/2012.. 


  2. Fitzgerald, Erich (2004). "A review of the Tertiary fossil Cetacea (Mammalia) localities in wales port taf Museum Victoria" (PDF) 61 (2). Arquivado dende o orixinal (PDF) o 23 de agosto de 2008.  Memoirs of Museum Victoria 61 (2): 183–208. Consultada o 27/11/2012.


  3. Applegate, Shelton P.; Dale E. Russell (1970). The Vertebrate Fauna of the Selma Formation of Alabama. Part VII. Part VIII. The Mosasaurs The Fishes. Field Museum of Natural History (Chicago). pp. 387–430. OCLC 50419737.  Consultada o 27/11/2012.



Véxase tamén |



Bibliografía |


  • Ayling, Tony & Geoffrey Cox (1982): Collins Guide to the Sea Fishes of New Zealand. Auckland: William Collins Publishers Ltd. ISBN 0-00-216987-8.

  • Rodríguez Villanueva, X. L. e Xavier Vázquez (1992): Peixes do mar de Galicia. (I) Lampreas raias e tiburóns. Vigo: Edicións Xerais de Galicia. ISBN 84-7507-654-8.

  • Solórzano, Manuel R[odríguez]; José L. Rodríguez, José Iglesias, Francisco X, Pereira e Federico Álvarez (1988): Inventario dos peixes do litoral galego (Pisces: Cyclostomata, Chondrichthyes, Osteichthyes). O Castro-Sada, A Coruña: Cadernos da Área de Ciencias Biolóxicas (Inventarios). Seminario de Estudos Galegos, vol. IV. ISBN 84-7492-370-0.


Outros artigos |


  • Tiburóns

  • Lamniformes

  • Lámnidos




Traído desde "https://gl.wikipedia.org/w/index.php?title=Isurus&oldid=5035389"










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