A new species of the genus Boreophylloceras Alekseev et Repin, 1998 (Ammonitida) from the Berriasian kochi zone of north-central Siberia

Study of the shells of phylloceratids from the kochi Zone (Berriasian) of north-central Siberia (Boyarka River, basin of the Kheta River) allowed their assignment to the genus Boreophylloceras Alekseev et Repin, 1998. A new species B. densicostatum is described.