Published June 14, 2022
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Fig. 41 in Early-middle Cambrian stratigraphy and faunas from northern Siberia
Description
Fig. 41. Hyolith opercula from the lower Cambrian Tyuser Formation, lower reaches of the Lena River (A, B, G) and Erkeket Formation, Khorbusuonka River (C–F, H, I), Siberia, Russia; samples 11/16.05 (C, H), 11/16.1 (I), 11/2B (D–F), and 21/21 (A, B, G). A–I. Phosphatised opercula tentatively attributed to Conotheca mammilata Missarzhevsky in Rozanov et al., 1969, SMNH X11150–11158, respectively. A1, B1, C1, D1, inner surface; A2, ventral view; A3, lateral view; B2, oblique lateral view; A4, C2, oblique dorsal view on the opercula. Scale bar 500 µm.
Notes
Published as part of Kouchinsky, Artem, Alexander, Ruaridh, Bengtson, Stefan, Bowyer, Fred, Clausen, Sébastien, Holmer, Lars E., Kolesnikov, Kirill A., Korovnikov, Igor V., Pavlov, Vladimir, Skovsted, Christian B., Ushatinskaya, Galina, Wood, Rachel & Zhuravlev, Andrey Y., 2022, Early-middle Cambrian stratigraphy and faunas from northern Siberia, pp. 341-464 in Acta Palaeontologica Polonica 67 (2) on page 401, DOI: 10.4202/app.00930.2021, http://zenodo.org/record/12198251
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