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Lagomorpha

From Biocrawler, the free encyclopedia.

Lagomorphs

Scientific classification

Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Lagomorpha

Families

Leporidae
Ochotonidae

The Lagomorphs, order Lagomorpha, are an order of mammals of which there are two families, Leporidae (hares and rabbits), and Ochotonidae (pikas).

Though members of order Lagomorpha can resemble rodents (order Rodentia), and were classified as a superfamily in that order until the early twentieth century, they are now regarded as separate. They differ from rodents in that:

they have four (not two as in rodents) incisors in the upper jaw;
the male's scrotum is in front of the penis;
the penis has no bone as does the rodents'; and
they will re-digest first time feces to obtain the most from their plant diet.

They resemble rodents, however, in that their teeth grow throughout their life, thus necessitating constant chewing to keep them from growing too long.

ORDER LAGOMORPHA
- Family Ochotonidae: pikas
  - Genus Ochotona
  - Genus Prolagus (extinct)
- Family Leporidae: rabbits and hares
  - Genus Pentalagus
  - Genus Bunolagus
  - Genus Pronolagus
  - Genus Nesolagus
  - Genus Romerolagus
  - Genus Brachylagus
  - Genus Sylvilagus
  - Genus Oryctolagus
  - Genus Poelagus
  - Genus Caprolagus
  - Genus Lepus

Mammals
Monotremata
Placentalia: Xenarthra \| Dermoptera \| Desmostylia \| Scandentia \| Primates \| Rodentia \| Lagomorpha \| Insectivora \| Chiroptera \| Pholidota \| Carnivora \| Perissodactyla \| Artiodactyla \| Cetacea \| Afrosoricida \| Macroscelidea \| Tubulidentata \| Hyracoidea \| Proboscidea \| Sirenia
Marsupialia: Didelphimorphia \| Paucituberculata \| Microbiotheria \| Dasyuromorphia \| Peramelemorphia \| Notoryctemorphia \| Diprotodontia