Haplostigma Explained
Haplostigma is a genus of arborescent lycopodiopsid, found only in the early part of the Middle Devonian.[1]
Notes and References
- Woolfe, K.J. . 1993 . Devonian depositional environments in the Darwin Mountains: Marine or non-marine? . Antarctic Science . 5 . 2 . 211–220 . 10.1017/S0954102093000276. 1993AntSc...5..211W . 129509428 .