- Amphitheriida
Taxobox
color = red
name = "Amphitheriida"
fossil_range =Middle Jurassic
regnum =Animal ia
phylum =Chordata
classis =Mammalia
subclassis =Theriiformes
unranked_ordo =Cladotheria
superordo =Dryolestoidea
ordo = Amphitheriida
ordo_authority = Prothero, 1981
familia = Amphitheriidae
familia_authority = Owen, 1846Amphitheriida is an order of mesozoic mammals restricted to the
Middle Jurassic ofBritain . They were closely related to the Dryolestids but possessed five molars instead of the usual four in Dryolestida, (with the exception of the familyDryolestidae whose members possessed between 8 and 9 molars). The Amphitheriida contains one family, the Amphitheriidae.ources
"Mammals from the Age of Dinosaurs: Origins, Evolution, and Structure" page 395.
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