Ichnogenus Astropolichnus in the Middle Cambrian of the Barrandian area, Czech Republic

ABSTRACT

Imperfectly preserved specimen of a supposed hydrozoan Medusites cf. radiatus Linnars., originally described by Pompeckj (1896) from the “Pod trním” locality near Týřovice (Slapnice Member of the Buchava Formation, Skryje–Týřovice Basin) is revised. Recent study of the original specimen and a more complete topotype specimen testify the affiliation to the pineapple-shaped ichnogenus Astropolichnus Crimes and Anderson, 1985. A new ichnospecies A. bohemicus is established on the material from the Buchava Formation. This material is the first occurrence of Astropolichnus in the middle Cambrian as well as the first report of this ichnogenus in the Barrandian area of Czech Republic.

KEYWORDS:

• Cambrian
• ichnostratigraphy
• Astropolichnus
• Barrandian area
• Czech Republic

Acknowledgments

Irene Zorn (Geologische Bundesanstallt, Vienna, Austria) made accessible the original specimen of Pompeckj. Marika Polechová and Petr Budil (both Czech Geological Survey Prague, Czech Republic) are acknowledged for their help with photography. Petr Kraft (Charles University Prague, Czech Republic) brought attention to the specimen housed in collections of the Charles University. The official Ichnos reviewers, Sören Jensen (Badajos) and Alfred Uchman (Cracow), suggested numerous useful improvements of the text.

Additional information

Funding

This research is supported by Prvouk P44 of the Ministry of Education, Youth, and Sports of the Czech Republic. The work in the Institute of Geology, Czech Academy of Sciences was supported by the Research Program RVO67985831.