Equisetopsida Collection

Calamites suckowi (Brongniart)
Pith cast of Calamites suckowi, an Articulate, Carboniferous plant. Upper Carboniferous; Gosforth, near Newcastle-on-Tyne. Range: Genus, Carboniferous, Species, Westphalian

Calamites sp. cast of trunk
Natural cast of trunk interior of Calamites sp. Approximately 40 cm in length. Curvature indicates that this specimen comes from near the base of the tree. Dates back to the late carboniferous period

Annularia sphenophylloid, fossil horsetail
This specimen is more commonly known as fossil horsetail. The leaves of this fossil plant form rosette-like shapes

Fossil Sphenophyllum
Slender forest floor-dwelling or vining Sphenophyllum. Specimen disovered in Wales dating back to the Late Carboniferous period, 300 - 359 million years ago

Fossil leaves of Calamites
The leaves of Calamites were borne in whorls, approximately 15 mm in size. The species in this fossil specimen is Annularia radiata, discovered in Wales and dates back to the Late Carboniferous

Equisetum fluviatile, water horsetail
Plate 4 from Original Drawings to Boltons History of Ferns by James Bolton, 1775-1795. Held in the Botany Library at the Natural History Museum, London

Asterophyllites grandis, giant horsetail leaves
Giant leaves of the horsetail fern (Asterophyllites grandis). 320-290 million year old specimen from the Late Carboniferous, Dudley, West Midlands, U.K

Calamites sp. giant horsetail trunk
320-290 million year old specimen of a giant horsetail fern trunk from the Late Carboniferous period, U.K

Fossil branches of Calamites
The fossil branches of Calamites sp. bearing leaves and cones; Palaeostachya and Asterophyllites. Specimen discovered in Wales, dating back to the Late Carboniferous period

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