Ceratretide brachiopods from the lower and middle Cambrian of Sweden, Kazakhstan, and Siberia
- 1 December 1994
- journal article
- research article
- Published by Taylor & Francis in GFF
- Vol. 116 (4) , 203-210
- https://doi.org/10.1080/11035899409546184
Abstract
The poorly known Acrotreta [=Bozshakolia] eggegrundensis Wiman, 1903, is redescribed as the oldest known ceratretide from the upper Lower Cambrian of Sweden, and is compared with Bozshakolia coniformis Ushatinskaya, 1986, from the upper Middle Cambrian of Kazakhstan. The new ceratretide genus and species Erbotreta singularis is described from the lower Middle Cambrian of S iberia. The ceratretides evidently were separated already from other acrotretids during the Early Cambrian, but their relationships with other acrotretids are still poorly known. Holmer, L.E. & Ushatinskaya, G.T., 1994: Ceratretide brachiopods from the Lower and Middle Cambrian of Sweden, Kazakhstan, and Siberia. GFF, Vol. 116 (Pt. 4, December), pp. 203–210. Stockholm. ISSN 1103–5897.Keywords
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