Published May 11, 2023 | Version v1
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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

  • 1. Department of science and research, Kuban State University, Stavropol'skaya Str., 149, Krasnodar, 350040, Russia. & Kazan Federal University, Kremlevskaya Str., 18, Kazan, 420008, Russia.
  • 2. Saint Petersburg State University, Universitetskaya nab. 7-9, St. Petersburg, 199034, Russia.

Description

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.

Notes

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

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Journal article: 10.11646/zootaxa.5284.2.6 (DOI)
Journal article: urn:lsid:plazi.org:pub:5D1BC912BE15FFFDFFFA8324FA10FD67 (LSID)
Journal article: http://publication.plazi.org/id/5D1BC912BE15FFFDFFFA8324FA10FD67 (URL)
Journal article: https://zenodo.org/record/7923480 (URL)