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Hystricognath vs Caviomorph - What's the difference?

hystricognath | caviomorph |

Caviomorph is a hyponym of hystricognath.



As nouns the difference between hystricognath and caviomorph

is that hystricognath is any member of the infraorder Hystricognathi of rodents, distinguished from other rodents by the bone structure of their skulls while caviomorph is any rodent of the infraorder (sometimes parvorder) Caviomorpha, that unites all South American hystricognaths.

hystricognath

English

Noun

(en noun)
  • (zoology) Any member of the infraorder Hystricognathi of rodents, distinguished from other rodents by the bone structure of their skulls.
  • * 1996 , José Roberto Moreira, David W. Macdonald, 7: Capybara use and conservation in South America'', V.J. Taylor, N. Dunstone (editors) ''Exploitation of Mammal Populations , page 89,
    • The New World hystricognath rodents (= caviomorphs) today represent one of the most diverse and widespread suborders among the over 800 mammal species of South America (Woods, 1982).
  • * 2008 , Felipe Bandoni de Oliveira, Eder Cassola Molina, Paul A. Garber, Gabriel Marroig, Chapter 3: Paleogeography of the South Atlantic: a Route for Primates and Rodents into the New World?'', Alejandro Estrada, Julio Cesar Bicca-Marques, Eckhard W. Heymann, Karen B. Strier (editors), ''South American Primates , page 63,
    • The situation is similar with respect to rodents, given that the earliest undisputed hystricognaths are from the Oligocene of Pakistan and Egypt (ca. 35Ma), with the possibility of a Middle Eocene origin for the group (Bryant and McKenna 1995; Marivaux et al. 2002).
  • * 2009 , Michael J. Benton, Vertebrate Palaeontology , page 359,
    • The hystricognaths' include several lines that radiated in Africa and South America in the Oligocene and Miocene.The largest ' hystricognath group is the Caviomorpha, the South American guinea pigs, capybaras, chinchillas and New World porcupines.

    Hyponyms

    * (species of Hystricognathi) caviomorph (South American species)

    caviomorph

    English

    Noun

    (en noun)
  • Any rodent of the infraorder (sometimes parvorder) Caviomorpha, that unites all South American hystricognaths.
  • * 2003 , Sharon Lynn Vanderlip, The Guinea Pig Handbook , page 11,
    • Cavies are caviomorphs'. ' Caviomorphs are tailless South American rodents that are characterized by having one pair of mammae (teats), four digits on the forefoot, and three digits on the hind foot, as well as special anatomical features of the head and jaws.
  • * 2008 , Rebecca Stefoff, The Rodent Order , page 21,
    • Platypittamys'' was a caviomorph''' that lived in southern South America around 30 million years ago.Today ' caviomorphs are found in South America, but genetic studies show that they are descended from African rodents.
  • * 2012 , Larry G. Marshall, The Geat American Interchange—An Invasion-Induced Crisis for South American Mammals'', Matthew Nitecki (editor), ''Biotic Crises in Ecological and Evolutionary Time , page 192,
    • In beds of Deseadan age caviomorphs are represented by 6 families (9 genera), in the Santacrucian by 7 families (17 genera), and in the Hayquerian by 8 families (21 genera) (Marshall et al. In press b).