Graphoceratidae
Graphoceratidae is an extinct family of ammonites in the order Ammonitida, which lived during the Jurassic. DistributionFossils are found in the Jurassic marine strata of Canada, France, Germany, Hungary, Italy, Morocco, Saudi Arabia, Spain and the United Kingdom. GeneraSubfamily Graphoceratinae Buckman, 1905 Subfamily Leioceratinae Spath, 1936 Subfamily Dumortieriinae Haug, 1885 Subfamily Tmetoceratinae Spath, 1936 References
|