BARYONYX WALKERI 
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ig. 17 Baryonyx walkeri, holotype, BMNH R9951. A-B, anterior part of left angular; C-D, right coronoid. A, lateral (labial) view; B, medial (lingual); C, 
lateral (labial); D, medial (lingual). x 0.5. 
The only differences between the several teeth preserved are those 
f size and degree of recurvature. Naturally the size of the actual 
eeth as preserved varies according to the degree of development of 
ach, but apart from that there is a constant difference between the 
sizes of the alveoli, more noticeable in the upper jaw than in the 
lower. In the premaxilla teeth nos 2 and 3 are the largest, | and 4 
somewhat smaller, while 5, 6 and 7 form a decreasing series; the 
largest have twice the diameter of the smallest. In the maxilla the 
ig. 18 Baryonyx walkeri, holotype, BMNH R9951; isolated teeth. A, left upper or right lower symphysial crown in (left) labial and (right) lingual views; 
B, right upper premaxillary or maxillary tooth in (left) lingual and (right) labial views; C, left maxillary or right dentary tooth in (left) labial and (right) 
lingual views; D, left dentary tooth in (left) labial and (right) lingual views. Natural size. 
