Diagnosis. Straight Striatocycloceras with circular cross-section and medium apical angle of approximately 8°. Seven irregularly spaced annulations at a distance that equates the corresponding shell diameter. Acute annulations slightly oblique toward growth direction with slight lateral sinus, with approximately 10 growth lines per annulation. One suture lineat every groove of the annulation, sutures and annulations run parallel. Siphuncle central. Short orthochoanitic septal necks.