Cephalopoda - Ceratitida - Trachyceratidae

Alternative combinations: Ammonites (Ceratites) achelous, Ceratites achelous

Synonyms: Ammonites hoplophorus Giebel 1852, Goniatites armatus Münster 1841, Goniatites friesei Münster 1841, Goniatites furcatus Münster 1841, Goniatites suprafurcatus Klipstein 1843, Rossiceras armatum Münster 1841, Trachyceras armatum Münster 1841

Belongs to Klipsteinia according to M. Urlichs 2017

See also Klipstein 1843, Mietto and Manfrin 2008, Münster 1841, Spath 1951 and von Mojsisovics 1882

Sister taxa: Klipsteinia boetus, Klipsteinia disciformis, Klipsteinia irregularis, Klipsteinia nataliae, Klipsteinia radiata

Type specimens:

• Klipsteinia achelous: BSPG AS VII 413. Its type locality is St. Cassian (Munster coll), which is in a Julian carbonate limestone in the Cassian Formation of Italy.
• Ammonites hoplophorus:
• Goniatites armatus: Its type locality is St. Cassian (Munster coll), which is in a Julian carbonate limestone in the Cassian Formation of Italy.
• Goniatites friesei: Its type locality is St. Cassian (Munster coll), which is in a Julian carbonate limestone in the Cassian Formation of Italy.
• Goniatites furcatus: Its type locality is St. Cassian (Munster coll), which is in a Julian carbonate limestone in the Cassian Formation of Italy.
• Goniatites suprafurcatus: Its type locality is St. Cassian (Klipstein BMNH coll), which is in a Julian carbonate limestone in the Cassian Formation of Italy.

Average measurements (in mm): shell diameter 6.89

Distribution:

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Specimen images are retrieved through the ePANDDA API.