Abstract
A study of Rovno amber has revealed two fossil leafy liverwort species of the genus Radula (Radulaceae, Marchantiophyta) that are new to the late Eocene flora of Rovno amber. One of these species, R. oblongifolia, was described previously from Eocene Baltic and Bitterfeld amber, whereas the other species, R. tikhomirovae, is described here as new. Radula tikhomirovae differs from R. oblongifolia and two other Eocene species of that genus, R. sphaerocarpoides and R. baltica, by the presence of microphyllous branches and by the shape of its leaf lobules.
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Claims 3
Claim · model-written summary
Two Radula species were found in Rovno amber.
RadulaOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A study of Rovno amber has revealed two fossil leafy liverwort species of the genus Radula (Radulaceae, Marchantiophyta) that are new to the late Eocene flora of Rovno amber.”
Claim · model-written summary
R. tikhomirovae is described as a new species.
Verbatim
e0“the other species, R. tikhomirovae, is described here as new.”
Claim · model-written summary
R. tikhomirovae differs from three Eocene congeners in microphyllous branches and leaf lobule shape.
Verbatim
e0“Radula tikhomirovae differs from R. oblongifolia and two other Eocene species of that genus, R. sphaerocarpoides and R. baltica, by the presence of microphyllous branches and by the shape of its leaf lobules.”