FIGURE 5. Trepostome and cryptostome bryozoans from the Khrevitsa Formation. A–C in Morphological features of Late Ordovician (Sandbian) bryozoans from the basin of Khrevitsa River (north-western Russia) and description of a new species of the genus Prophyllodictya Gorjunova, 1987

• Main Authors: Tolokonnikova, Zoya A., Fedorov, Petr V.
• Format: Other/Unknown Material
• Language: unknown
• Published: Zenodo 2023
• Subjects: Biodiversity; Taxonomy; North-Western Russia
• Online Access: https://doi.org/10.5281/zenodo.7923490

FIGURE 5. Trepostome and cryptostome bryozoans from the Khrevitsa Formation. A–C. CNIGR museum №11/13403, Amplexopora sp. A. Branch colony exterior (micro-CT). B. Longitudinal section showing diaphragms (Di) and cystiphragms (Cy). C. Tangential section showing acanthostyles on the ridges (arrow). D–G. CNIGR museum №1/13403, Nematotrypa robusta (Spjeldnaes, 1984). D. Tangential section showing abundant tektitozooecia (arrow). E. Longitudinal section showing hemiphragms (arrow). F. Tangential section showing paurostyles (Pa) and acanthostyles (Ac). G. Transverse section. Published as part of Tolokonnikova, Zoya A. & Fedorov, Petr V., 2023, Morphological features of Late Ordovician (Sandbian) bryozoans from the basin of Khrevitsa River (north-western Russia) and description of a new species of the genus Prophyllodictya Gorjunova, 1987, pp. 337-350 in Zootaxa 5284 (2) on page 344, DOI:10.11646/zootaxa.5284.2.6, http://zenodo.org/record/7923480