Arcuate fixation members (12D) with varying configurations and/or features are provided, along with additional components for use therewith in provided intervertebral implants (400). The arcuate fixation members may be of different lengths, cross sectional geometries, and/or cross sectoinal areas. Applications of intervertebral implants utilizing arcuate fixation members are particularly suitable when a linear line - of - approach for delivering fixation members is undesirable.