Bemella Missarzhevsky, 1969

Kouchinsky, Artem, Bengtson, Stefan, Landing, Ed, Steiner, Michael, Vendrasco, Michael & Ziegler, Karen, 2017, Terreneuvian stratigraphy and faunas from the Anabar Uplift, Siberia, Acta Palaeontologica Polonica 62 (2), pp. 311-440 : 334

Genus Bemella Missarzhevsky in Rozanov and Missarzhevsky, 1966

Type species: Helcionella jacutica Missarzhevsky in Rozanov and Missarzhevsky, 1966; Dokidocyathus regularis Zone, Tommotian Stage (upper part of Cambrian Stage 2), lower Cambrian; Tiktirikteekh, near Churan village, middle Lena River, Siberia, Russia.

Fig. 9. Helcionellid molluscs from early Cambrian Nemakit-Daldyn Formation, western Anabar Uplift (A–F) and and basal Emyaksin Formation, eastern → Anabar Uplift (G), Siberia, Russia; samples 1282 (A–C) and 2/A1 (D, E), section 2; 3/0.1 (F), section 3; and 4/27.5 (G), section 96-4. A–C, F, G. Bemella ?

sp., phosphatized shell (A) and calcium phosphatic internal moulds (B, C, F, and G), SMNH Mo181948–181950 (A–C, respectively), SMNH Mo181953

F), and SMNH Mo181954 (G). D, E. Oelandiella ? sp., calcium phosphatic internal moulds, SMNH Mo181951 and 181952, respectively. A 2, B 1, C 2, D 2,

E 2, F 1, G 2, lateral views; A 1, B 3, C 1, E 3, F 2, G 1, subapical views; B 2, C 3, E 1, F 3, G 3, upper views; D 1, apertural view; B 4, close-up of subapical area in B 3.

Scale bar 1 mm (D, E), 500μm (A, B 1 –B 3, C, F, G), and 100 μm (B 4).