“…Třebotov and the base of the Choteč limestones are well exposed in this section. Relevant papers are: Chlupáč (1959), Klappper (1977), Klapper et al (1978), Chlupáč et al (1977), Chlupáč et al (1979), Chlupáč (1982Chlupáč ( , 1985, Buggisch & Mann (2004), Ellwood et al (2006) and Koptíková (accepted). The following conodont zones have been recognized: serotinus, patulus, partitus, costatus zones.…”