Placenticeras, named by Fielding Bradford Meek , 1870, is the type genus for the Placenticeratidae, a family that is part of the Hoplitaceae, a superfamily of the Ammonitida.
Placenticeras, named by Fielding Bradford Meek , 1870, is the type genus for the Placenticeratidae, a family that is part of the Hoplitaceae, a superfamily of the Ammonitida.
Placenticeras, named by Fielding Bradford Meek , 1870, is the type genus for the Placenticeratidae, a family that is part of the Hoplitaceae, a superfamily of the Ammonitida.