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Smithsonian National Museum of Natural History
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(Click on each photo for a larger image)


Sphenopsida
Photo by Jack Wittry

Annularia radiata

Sphenopsida
Specimen Number: 17890

Sphenopsida
Photo by Jack Wittry

Annularia sphenophylloides

Sphenopsida
Specimen Number: 439388

Sphenopsida
Photo by Jack Wittry

Annularia stellata

Sphenopsida
Specimen Number: 439240

Sphenopsida
Photo by Jack Wittry

Asterophyllities
equisetiformis

Sphenopsida
Specimen Number: 439281

Sphenopsida
Photo by Jack Wittry

Bowmanites sp.

Sphenopsida
Specimen Number: 439129

Sphenopsida
Photo by Jack Wittry

Calamites cisti

Sphenopsida
Specimen Number: 440156

Sphenopsida
Photo by Jack Wittry

Calamites goepperti

Sphenopsida
Specimen Number: 439544

Sphenopsida
Photo by Jack Wittry

Calamites schutzeiformis

Sphenopsida
Specimen Number: 440162

Sphenopsida
Photo by Jack Wittry

Calamites suckowi

Sphenopsida
Specimen Number: 439595

Sphenopsida
Photo by Jack Wittry

Calamostachys striata

Sphenopsida
Specimen Number: 439265

Sphenopsida
Photo by Jack Wittry

Calamostachys tuberculata

Sphenopsida
Specimen Number: 439262

Sphenopsida
Photo by Jack Wittry

Macrostachya sp.

Sphenopsida
Specimen Number: 444622

Sphenopsida
Photo by Jack Wittry

Asterophyllites lycopodiodes

Sphenopsida
Specimen Number: 439879

Sphenopsida
Photo by Jack Wittry

Sphenophyllum emarginatum

Sphenopsida
Specimen Number: 18579

Sphenopsida
Photo by Jack Wittry

Sphenophyllum majus

Sphenopsida
Specimen Number: 439380

Sphenopsida
Photo by Jack Wittry

Asterophyllites longifolius

Sphenopsida

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