Fig. 42 in Early-middle Cambrian stratigraphy and faunas from northern Siberia
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Fig. 42. Hyolith Michniakia minuta Missarzhevsky in Rozanov and Missarzhevsky, 1966, from the lower Cambrian Erkeket Formation, Olenyok Uplift, Siberia, Russia; sample 20/1B. A–E. Internal moulds with partially phosphatised shell and phophatic coatings, SMNH X X11353–11357, respectively. A. Phosphatised shell with longitudinal and tangential fibrosity and pores in the wall. A3, lateral view showing ventral sinus of the aperture (arrow); →
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Kouchinsky, Artem创建时间:
2024-06-21



