The New Encyclopædia Britannica in 30 Volumes: Macropædia : Knowledge in Depth. - 19 Bd, Volumes 1-19Encyclopædia Britannica, 1974 |
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Page 89
... Lower to upper Eocene . Fossils Beitr . Neue Folge , 12 : 67–159 ( 1966 ) , one of the few detailed from North America and Asia . Limb structure similar to that studies of tapirs ; C.A.W. GUGGISBERG , S.O.S. Rhino ( 1966 ) , of ...
... Lower to upper Eocene . Fossils Beitr . Neue Folge , 12 : 67–159 ( 1966 ) , one of the few detailed from North America and Asia . Limb structure similar to that studies of tapirs ; C.A.W. GUGGISBERG , S.O.S. Rhino ( 1966 ) , of ...
Page 490
... Lower Carboniferous ; cranial roof short , cheek bones reduced or absent , gill covers scaled ; 1 pair of upper and 1 pair of lower shearing or crushing tooth plates ; trunk shield short , lacking posterior bones ; pectoral fins narrow ...
... Lower Carboniferous ; cranial roof short , cheek bones reduced or absent , gill covers scaled ; 1 pair of upper and 1 pair of lower shearing or crushing tooth plates ; trunk shield short , lacking posterior bones ; pectoral fins narrow ...
Page 1005
... lower primates , having four cusps on the molar crown in the upper jaw and five cusps on the lower . A further tendency has been to reduce the molar series from three to two in both jaws , principally in the lower . Among the family ...
... lower primates , having four cusps on the molar crown in the upper jaw and five cusps on the lower . A further tendency has been to reduce the molar series from three to two in both jaws , principally in the lower . Among the family ...
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