Zemes un vides zinātnes Earth and Environment Sciences - Latvijas ...
Zemes un vides zinātnes Earth and Environment Sciences - Latvijas ...
Zemes un vides zinātnes Earth and Environment Sciences - Latvijas ...
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H.-P. Schultze, T. Marss. Revisiting Lophosteus<br />
65<br />
Fig. 3. Lophosteus canadensis n. sp.; Pridoli, Upper Silurian; Cornwallis Isl<strong>and</strong>, Arctic Canada.<br />
A, scale of left anterior flank, holotype UALVP 447 66; B, tubercle of A; C, spine, UALVP<br />
447 90; D, bony plate, UALVP 447 65; E, detail from D. SEM pictures, scale bars equal 100<br />
µm except D (1 mm).<br />
they are also fo<strong>un</strong>d in some placoderms <strong>and</strong> acanthodians. The tips of the stellate<br />
tubercles are smoothly convex in L. superbus <strong>and</strong> L. canadensis, whereas they are<br />
sharply pointed in the Australian taxon.