The site described is the brown coal open pit mine Tušimice, part Merkur-North, Chomutov Basin in northwestern Bohemia. Its fauna is defined as a distinct level of the mammalian faunas of the Tertiary of the Czech Republic. From this quarry, the most complete and numerous material of…

A new artificial crinoid genus of the myelodactylid type Simakocrinus gen. nov. (col.) and two Early Devonian species belonging to this genus, i. e: Simakocrinus facilis sp. nov. (col.) from Pragian and S. diligens sp. nov. (col.) from Late Emsian strata are described. The stratigraphical range and…

Stem casts of tree ferns from the genera Protopteris STERNBERG and Oncopteris DORMITZER in KREJČÍ from the Czech Republic and Poland are revised. A new species, Protopteris maletinensis GREGUŠ et J. KVAČEK sp. nov. from the Peruc-Korycany Formation (Cenomanian) is described based on material from…

The rediscovered specimen MGUWr 7536p, one of the syntypes of Dewalquea haldemiana, is described. It is selected as the lectotype of Debeya (Dewalquea) haldemiana (DEBEY ex SAPORTA et MARION 1873) HALAMSKI 2013 and of Debeya (Dewalquea) haldemiana var. haldemiana. It is the most complete and best…

Unique find of a porambonitid brachiopod in the Šárka Formation (Darriwilian) in the Prague Basin, the Czech Republic, is described. Porambonites havliceki sp. nov. is characterized by thin shell with finely pitted radial multicostellate ornament, long parallel brachiophore plates and long dental…

Material deposited mostly under Dasyscyphus sulphureus in the herbarium PRM is revised. The species with a reaction to KOH are briefly described. Generic delimitation of the genus Trichopeziza is discussed. The Peziza sulphurea type material is revised. The species is lectotypified and epitypified.

Based on morphometric studies, the vertebral column of the frigate tuna. Auxis thazard, can be divided into free morphologically distinct regions; postcranial, middle and ural. Biometrical measurement of the length, height and width of the vertebral column of Auxis thazard allows vertebral profiles…