Hystricomorpha

Hystricomorpha
Temporal range: Eocene to recent,
Capybara
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Rodentia
Suborder: Hystricomorpha
Brandt, 1855[1]
Superfamilies

See text

Synonyms

Caviomorpha

Hystricomorpha (from Ancient Greek ὕστριξ, (hústrix), meaning "porcupine", and μορφή (morphḗ), meaning "form")[2] is a word that for many different families and orders of rodents. It has had many meanings.Generally, it means any rodent that has a hystricomorphous zygomasseteric system. This definition includes the Hystricognathi, Ctenodactylidae, Anomaluridae, and Pedetidae.

Families

This list of families is from the taxonomy of Marivaux et al. 2002 and Marivaux, Vianey-Liaud & Jaeger 2004. They used parsimony analysis on many rodent fossils. Their results made the suborder Sciuravida polyphyletic and invalid. The symbol "†" is means that the group is extinct.

  • Suborder Hystricomorpha
    • †Pseudoneoreomys?
    • Superfamily Ctenodactyloidea
    • Hystricognathiformes
      • †Tsaganomyidae
      • Hystricognathi – true hystricognaths
        • †Baluchimyinae
        • Hystricidae – Old World porcupines
        • Phiomorpha
          • Bathyergidae – blesmols
          • †Bathyergoididae
          • †Diamantomyidae
          • Heterocephalidae – naked mole-rats
          • †Kenyamyidae
          • †Myophiomyidae
          • Petromuridae – dassie rat
          • †Phiomyidae
          • Thryonomyidae – cane rats
        • Caviomorpha – New World hystricognaths
          • Superfamily Cavioidea
            • Caviidae – cavies, capybaras, and guinea pigs
            • †Cephalomyidae
            • Cuniculidae – pacas
            • Dasyproctidae – agoutis and acouchis
            • †Eocardiidae
            • †Neoepiblemidae
          • Superfamily Chinchilloidea
            • Chinchillidae – chinchillas and viscachas
            • Dinomyidae – pacarana
          • Superfamily Erethizontoidea
            • Erethizontidae – New World porcupines
          • Superfamily Octodontoidea
            • Abrocomidae – chinchilla rats
            • Ctenomyidae – tuco-tucos
            • Echimyidae – spiny rats, nutria and hutias
            • †Heptaxodontidae – giant hutias
            • Octodontidae – degus and relatives

Citations

  1. ↑ Brandt 1855
  2. ↑ "Hystricomorpha". Oxford Dictionaries. Archived from the original on May 31, 2011. Retrieved 12 November 2011.

General references