Classification

Phylum : Mollusca Linnaeus 1758

Class : Cephalopoda Cuvier 1797

Subclass : Ammonoidea Haeckel 1866

Order : Ceratitida Hyatt 1884

Superfamily : Trachyceratoidea Haug 1894

Family : Trachyceratidae Haug 1894

Subfamily : Protrachyceratinae Tozer 1971

Genus : Protrachyceras Mojsisovics 1893

Species : archelaus (Laube 1869)

Nomenclatural history

Laube 1869 : Ammonites archelaus

Mojsisovics 1882 : Ammonites archelaus

Arthaber 1915 : Trachyceras (Protrachyceras) archelaus

Ogilvie Gordon 1927 : Protrachyceras archelaus

Brack and Rieber 1993 : Protrachyceras archelaus

Fantini Sestini 1994 : Protrachyceras archelaus