![](http://www.alamy.com/thumbs/6/55773A65-20C9-463F-BBB8-4B4F0554C0F8/DTF2JP.jpg)
Annularia sphenophylloid, fossil horsetail
This specimen is more commonly known as fossil horsetail. The leaves of this fossil plant form rosette-like shapes.
Size: 2831px × 3632px
Photo credit: © Natural History Museum, London / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: annularia, calamitaceae, calamites, equisetaceae, equisetales, equisetopsida, equisetum, fern, floral, fortey, fossil, fossilised, horsetail, key, plant, polypodiophyta, pteridophyta, pteridophyte, richard, sphenophylloid, star