Summary: | FIG. 5. — Heterostraci: Traquairaspididae? indet.: A-C, specimen PIN 3845/4 (same as Figures 3 and 4), sample 74-3, Poberezh'e (Coast) section, Chukotka, Arctic far-eastern Russia; Lower (4) Member of Pil'hikaj Formation, Lochkovian; details of superficial ornamentation of areas 5A, B, C as indicated on Fig. 3; D-F, specimen PIN 3845/3, sample 73-4 (74-3), Tonnel'nyj Brook, Chukotka, Arctic far-eastern Russia; Lower Member (4) of Pil'hikaj Formation, Lochkovian; distal end of specimen (D) with details of ornamentation (E, F). Scale bars: A, C, D, 1 cm; B, E, 0.5 cm; F, 0,25 cm. Published as part of Mark-Kurik, Elga, Blieck, Alain, Burrow, Carole J. & Turner, Susan, 2013, Early Devonian fishes from coastal De Long Strait, central Chukotka, Arctic Russia, pp. 545-578 in Geodiversitas 35 (3) on page 553, DOI:10.5252/g2013n3a3, http://zenodo.org/record/5372262
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