Haplostigma

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Haplostigma is a genus of arborescent lycopod, found only in the early part of the Middle Devonian.[1]

[edit] References

  1. ^ Woolfe, K.J. (1993). "Devonian depositional environments in the Darwin Mountains: Marine or non-marine?". Antarctic Science 5 (02): 211-220. doi:10.1017/S0954102093000276.