The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 86
... premolars . The first upper premolar was reduced or lost in consequence . The canines , when pres- ent , were situated in this diastema , as they are in male horses . Among the living perissodactyls , the tapirs have the • = least ...
... premolars . The first upper premolar was reduced or lost in consequence . The canines , when pres- ent , were situated in this diastema , as they are in male horses . Among the living perissodactyls , the tapirs have the • = least ...
Page 88
... premolars were simple and the incisors reduced , but canines and molars were en- larged . True rhinoceroses are probably also descended from early hyracodonts . They became numerous in the Oligo- cene as large animals with molariform ...
... premolars were simple and the incisors reduced , but canines and molars were en- larged . True rhinoceroses are probably also descended from early hyracodonts . They became numerous in the Oligo- cene as large animals with molariform ...
Page 89
... premolars much simpler than molars , molars of simple lophodont form . Ten to 12 genera . * Family Lophiodontidae ( lophiodonts ) . Lower to upper Eocene ; Europe and probably Asia . Skull not tapir - like , lophs of molariform teeth ...
... premolars much simpler than molars , molars of simple lophodont form . Ten to 12 genera . * Family Lophiodontidae ( lophiodonts ) . Lower to upper Eocene ; Europe and probably Asia . Skull not tapir - like , lophs of molariform teeth ...
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