Lepidostrobus
Cone
Pennsylvanian
Lykens #1 Coal – Posttville Formation
Audenried Village, Pennsylvania, USA

Big 57mm cone on 95mm matrix.

Carboniferous.

Lepidostrobus is a genus of extinct vascular plant that includes some primitive Devonian forms and some Carboniferous ones. Specimens are sometimes found pyritized.

Lepidostrobus had been a loosely-defined genus for a strobilis of a lycopod or a fruiting body (fructification) of a Lepidodendron tree in particular.  A strobilis is a technical term for cone-like structure in lycopods to distinguish them from cones in conifers though they are still informally called cones. However, after further study, there is more support for Lepidostrobus as a valid name.