Ignatov M.S.1, Perkovsky E.E.2 2013. Mosses from Rovno amber (Ukraine), 2 // Arctoa. Vol. 22: 83–92 [in English].

1 Tsitsin Main Botanical Garden of Russian Academy of Sciences, Botanicheskaya 4, Moscow 127276 Russia; e-mail: misha_ignatov@list.ru

2 Schmalhausen Institute of Zoology of the Ukrainian National Academy of Sciences, B. Khmelnitsky str., 15, Kiev 01-106, Ukraine; e-mail: perkovsk@gmail.com

KEYWORDS: fossil, mosses, amber, Rovno region, Ukraine, Tertiary, Eocene.

ABSTRACT. The new amber collections from Rovno expand the species and generic composition of its moss flora. Calymperites ucrainicus is described as a new form-genus and species; taxa of Calymperaceae were not previously reported in Eocene amber from Europe. Three species are the same as in Baltic amber, one is fossil Hypnum palaeocircinale, and two are comparable with extant Trachycystis microphylla (East Asia) and Hypnodontopsis mexicana (Mexico). One more specimen is compared with Sematophyllites sp. from Baltic amber, without more exact identification. One amber piece contains as much as 6 plants of Hypnodontopsis mexicana at different stages of development, representing its variation. The latter may challenge the species status of H. pilifer and H. lingulata, which may be assumed as merely a morphotypes of Hypnodontopsis mexicana.

doi: 10.15298/arctoa.22.12

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