Biostratigraphy of Devonian microvertebrates 
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Figure 3 A-D, Cheiracanthoides comptus Wells, 1944. A,B, crown (x50) and lateral (x75) views of scale QMF 31819, 
SD204/120 m. C,D, crown (x50) and lateral (x75) views of scale QMF 31820, SD210/104 m. 
E-G, Nostolepis sp. 2. E, crown view x90, F, latero-basal view xlOO of scale QMF 31821, SD170/182-188.5 
m. G, crown view of double scale QMF 31822, x75, SD170/182-188.5 m. 
H,I,L, Nostolepis d. costata Goujet, 1976. H,I, crown and lateral views of scale QMF 31823, x60, SD170/200 
m. L, crown view of scale QMF 31824, x90, SD204/120 m. 
J,K, Nostolepis sp. 1. J, lateral view x90, K, crown view x75, of scale QMF 31825, SD210/195.7 m. 
M,N, Nostolepis sp. 3. Crown and latero-posterior views of scale QMF 31826, x60, SD170/700 m (appr). 
Q,P, Acanlhoides sp. O, anterior view xlOO, P, crown view x90 of scale QMF 31827, SD204/120 m. 
