New fossil woods from the Paleogene of Doupovské hory and České středohoří Mts. (Bohemian Massif, Czech Republic)
Abstract
New fossil woods are described from the Paleogene volcanoclastic sediments of Doupovské hory (localities Vrbice and Nechranice) and České středohoří Mts. (localities Bečov and Divoká rokle). Three types of conifer woods were identified (two stem woods and one root wood of Cupressaceae s.l.) and six types of angiosperm woods (families Lauraceae, Betulaceae, Ulmaceae, Malvaceae, Sapotaceae and one problematic sample).
Two fossil conifer species encompassing the three conifer wood types (stem of Glyptostroboxylon rudolphii and stem and root of Taxodioxylon gypsaceum) were already known from the Tertiary of northwestern Bohemia. Five angiosperm species (Cinnamomoxylon seemannianum, Alnus tschemrylica, Ulmoxylon cf. kersonianum, Grewioxylon ortenburgense, Manilkaroxylon sp.) are documented for the first time in the studied area by our material; the sixth type of angiosperm wood we labelled only as "Xylotype Nechranice 1", since its poor preservation made precise identification impossible.