Two new orthothecids from the Cambrian of the Barrandian area (Hyolitha, Skryje-Ty rovice Basin, Czech Republic)

M. Valent, O. Fatka, M. Szabad, V. Micka, and L. Marek

2012

Article

Bulletin of Geosciences 87(2):241-248

Find it at:

http://dx.doi.org/10.3140/bull.geosci.1142

Taxa discussed in this work:

• Circotheca smetanai
• Probactrotheca
• Probactrotheca briketa

Taxonomy:

• Circotheca smetanai belongs to Circotheca - Valent et al. (2012)
• Probactrotheca belongs to Orthothecida - Valent et al. (2012)
• Probactrotheca briketa belongs to Probactrotheca - Valent et al. (2012)