DIRK WIERSMA / SCIENCE PHOTO LIBRARY DIRK WIERSMA / SCIENCE PHOTO LIBRARY
Otovicia, also known as Walchia, is a small, now extinct conifer that belongs to the class Pinopsida, more commonly known as Conifers. Otovicia has rigid, overlapping leaves, short, not larger than 8 mm. Pinopsida are generally characterized by small and simple leaves and by the active secondary growth of stem and root. Many members of this group flourished from Lower Carboniferous times to the Permian age.
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