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Pottiodicranum papillosum
Pottiodicranum papillosum Ignatov, Schäfer-Verw., Perkovsky, Heinrichs Arctoa, 25: 234. 29 Dec 2016
- Name
- Pottiodicranum papillosum
- Rank
- Species
- Generic Name
- [Genus] Pottiodicranum
- Authors (Pub.)
- Ignatov M. S.
Schäfer-Verwimp A.
Perkovsky E. E.
Heinrichs J.
- Publication
- Mosses from Rovno amber (Ukraine), 3 [2016/12]
- Journal
- Arctoa
- Volume
- 25
- Page number
- 234
- Year
- 2016
- Fossil Status
- leafy twigs
- Stratigraphy
- Priabonian
- Strat. comment
- 35–37 Ma; in amber
- Location
- Klesov (Pugach quarry), Vladimirets District, Rovno Region, Ukraine
- Paleoregion
- Eurasia (Europe)
Data for Holotypus
- Repository
- Schmalhausen Institute of Zoology (SIZK)., National Academy of Sciences of Ukraine, Kyiv, Ukraine
- Repository Number
- SIZK-K-10070
- Diagnosis
- Stem ca. 5 mm long, unbranched. Leaves 1–1.3 mm long, 0.17–0.20 mm wide, gradually acuminate, acute, channeled; margins plane, entire (but papillae present), costa single, percurrent, 50–65 m wide, on dorsal surface ridged in the central portion of leaves, deeply and distinctly striolate towards leaf apex and base; ridges prominent, mainly 3 in number; lamina cells in upper and median part of leaf irregularly quadrate-rounded, ca. 1010 m, with 3–5 round papillae per cell; papillae 2–3 m high in upper leaf portion; cells in leaf center in regular longitudinal rows, 6–7 rows from each side of costa, quadrate, ca. 1010 m, papillose, papillae 1–2 m high; basal cells quadrate to short rectangular, smooth, larger upper and median laminal cells, to 13–2011–13 m.
