Anabarites, Missarzhevsky, 1969

Kouchinsky, Artem, Bengtson, Stefan, Clausen, Sébastien & Vendrasco, Michael J., 2015, An early Cambrian fauna of skeletal fossils from the Emyaksin Formation, northern Siberia, Acta Palaeontologica Polonica 60 (2), pp. 421-512 : 499

Anabarites cf. A. kelleri Missarzhevsky, 1989

Fig. 69B, C .

Material.—One calcium phosphatic internal mould, SMNH X 4820 ( Fig. 69B ), from sample 3/53.5; one from sample 6/6.8; one, SMNH X 4821 ( Fig. 69C ), from sample 6/59.3. Emyaksin Formation, Malaya Kuonamka and Bol’shaya Kuonamka rivers; correlated with the Dokidocyathus regularis Zone, Tommotian Stage , Delgadella anabara and Judomia zones, Atdabanian Stage.

Description.—Small straight internal moulds with rounded triangular cross-section, shallow faint longitudinal grooves, and thin straight growth lines.

Figures

Fig. 69. Anabaritids from lower Cambrian Emyaksin Formation, Bol’shaya Kuonamka River and Malaya Kuonamka River, Anabar Uplift, Siberia. A, E. Anabarites trisulcatus Missarzhevsky in Voronova and Missarzhevsky, 1969; sample 7/25.6. A. SMNH X 4818; transversal (A 1) and longitudinal (A 2, A 3) views. E. SMNH X 4819; transversal (E 1) and longitudinal (E 2, E 3) views. B, C. Anabarites cf. A. kelleri Missarzhevsky, 1989. B. SMNH X 4820, sample 3/53.5; longitudinal (B 1, B 2) and oblique transversal (B 3) views. C. SMNH X 4821, sample 6/59.3; transversal (C 1) and longitudinal (C 2) views. D. Anabarites cf. Kotuithes biplicatus Missarzhevsky, 1989; SMNH X 4822, sample 3/59; longitudinal (D 1) and transversal (D ) views. Scale bar 600 μm.