title: A new data about systematic composition of Thanetian flat terebratulids of South-West Crimea
abstract: The revision of flat Thanetian terebratulids of South-West Crimea, included until the last time Terebratula bisinuata Lam., T. mischensis Ilyina, T. plana Zel. and Oleneothyris pinguinensis Zel., has been made. The material of studying has been the collection of brachiopods, collected from the lower and middle parts of Kachinsky suite and comprising 403 specimens. The investigation has shown that at the all age stages brachiopods are characterized by significant individual variability of shell o
journal: SHILAP Revista de lepidopterología