"Aspidoceras " has an evolute shell with quadrate-rounded or depressed whorls that have two rows of tubercles, the outer near the middle of the whorl sides.
2.
""'Aspidoceras " "'is an extinct ammonoid cephalopod genus that lived during the Late Jurassic ( Kimmeridgian ) with a fairly broad distribution . " Aspidoceras ", named by Zittel, 1868, is the type genus for the persphictacian family Aspidoceratidae and subfamily Aspidoceratinae in which it is included.
3.
""'Aspidoceras " "'is an extinct ammonoid cephalopod genus that lived during the Late Jurassic ( Kimmeridgian ) with a fairly broad distribution . " Aspidoceras ", named by Zittel, 1868, is the type genus for the persphictacian family Aspidoceratidae and subfamily Aspidoceratinae in which it is included.
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