See text Hecticoceratinae is a subfamily of oppeliids from the Middle and Upper Jurassic typically with strong falcoid or falcate ribbing that covers whorl sides completely.

[1] The Hecticocerainae, which has its origin in the Oppeliinae, give rise to the Distichoceratinae near the beginning of the Middle Jurassic Callovian, and to the Glochiceratinae early in the Upper Jurassic Oxfordian.

[2] Neither apparently gave rise to any subsequent groups.

Hecticoceras, Brightia, Eochetoceras, Hecticoceratoides, Lunuloceras, Kheraites, Proheticoceras, Pseudobrightia, and Pseudobrightia, listed as separate genera in the Treatise[1] are regarded as subgenera of Hecticoceras

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