Planispiralichnus rarus

Sandstone plate with ichnofossils “in situ“ Planispiralichnus rarus Menasova, 2003 (Helminthoidichnites sp., Gordia marina, Spirodesmos sp., Planolites sp. etc.) Regional strata: Khmelnitsky formation (suite), Rivno horizon. Cambrian Period, Paleozoic Era Age: 540 million years Ternava river canyon,between Vrublivtsi - Kytajgorod, Kamianets-Podilskyi raion, Khmelnytskyi oblast, Ukraine. More info