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BASILEMYS SINUOSUS, 
Nu., nuchal plate. 
N. 1 to 8, neural plates. 
P. N., post-neural plate. 
Per. 1 to 11, peripheral plates. 
Py. 1 to 3, pygal plates. 
V.1I to V, vertebral shields. 
Cos. | to LV, costal shields. 
M. I to XII, marginal shields. 
