Palaeos | Cetartiodactyla | |
Vertebrates | Ruminantia |
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Abbreviated Dendrogram
LAURASIATHERIA |--FERAE `--+--PERISSODACTYLA | CETARTIODACTYLA |--Cetacea | |--Pakicetidae | `--Autoceta `--Artiodactyla |--Suina | |--Hippopotamidae | `--Suoidea `--Selenodontia |--Camelidae `--Ruminantia |--Giraffoidea `--+--Bovoidea `--Cervoidea |
Contents
Overview |
Range: from the Eocene ? Early Oligocene?
Phylogeny: Selenodontia : Camelidae + * : Giraffoidea + (Bovoidea + Cervoidea).
Characters: usually with horns; lower canines incisor-like; long diastema; incisors absent on upper jaw; stomach four-chambered & complex; metapodials fused into single, elongated cannon bone.
Links: APUS.RU (Russian); Ungulata- Wiederkäuer - Ruminantia, (German); EVOLUTIONARY CONSEQUENCES OF THE RADIATION OF THE RUMINANTIA ( ...; Ruminantia after Janis, 1987, Norris, 2000 and Vislobokova & ...; Sub-Unit- Suborder Ruminantia; Giraffens utveckling - Mimers Brunn (Swedish). ATW030109.
Giraffoidea: giraffes & okapis.
Range: from the Middle Miocene
Phylogeny: Ruminantia : (Bovoidea + Cervoidea) + *.
Characters: horns with bone cores covered by skin; long neck; legs long
Image: Giraffa from East Africa Wildlife.
Links: Morales et al. (abstract); ?????? - ... (Japanese); Comparative Placentation; Phylogeny of the Bovidae Artiodactyla, Mammalia Based on .... ATW030109.
Bovoidea: cattle, elands, sheep, goats, antelope
Range: from the Miocene
Phylogeny: Ruminantia :: Cervoidea + *.
Links: ?????? - ... (Japanese); wblinks1; Animais em Extinção. ATW030110
Cervoidea: deer
Range: from the Early Oligocene
Phylogeny: Ruminantia :: Bovoidea + *.
Links: Classe de idade Metodologia para classificação Classe 0 Fase de ... (Portuguese); Conabio (Spanish: extensive discussion, but mostly limited to regional species); NCBI; Conabio (Spanish). ATW030428.
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checked ATW080114