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


Spermatopsida - Medullosales
Photo by Jack Wittry

Alethopteris gibsonii

Spermatopsida - Medullosales
Specimen Number: 40270

Spermatopsida - Medullosales
Photo by Jack Wittry

Alethopteris lesquereuxi

Spermatopsida - Medullosales
Specimen Number: 12263

Spermatopsida - Medullosales
Photo by Jack Wittry

Alethopteris lesquereuxi

Spermatopsida - Medullosales
Specimen Number: 444683

Spermatopsida - Medullosales
Photo by Jack Wittry

Alethopteris serli

Spermatopsida - Medullosales
Specimen Number: 444680

Spermatopsida - Medullosales
Photo by Jack Wittry

Alethopteris sullivanti

Spermatopsida - Medullosales
Specimen Number: 444701

Spermatopsida - Medullosales
Photo by Jack Wittry

Callipteridium neuropteroides

Spermatopsida
Specimen Number: 11878

Spermatopsida - Medullosales
Photo by Jack Wittry

Crossotheca sagittatus

Spermatopsida
Specimen Number: 439434

Spermatopsida - Medullosales
Photo by Jack Wittry

Eusphenopteris neuropteroides

Spermatopsida
Specimen Number: 13407

Spermatopsida - Medullosales
Photo by Jack Wittry

Eusphenopteris neuropteroides

Spermatopsida
Specimen Number: 444447

Spermatopsida - Medullosales
Photo by Jack Wittry

Laveineopteris rarinervis

Spermatopsida - Medullosales
Specimen Number: 40314

Spermatopsida - Medullosales
Photo by Jack Wittry

Laveineopteris rarinervis

Spermatopsida - Medullosales
Specimen Number: 439711

Spermatopsida - Medullosales
Photo by Jack Wittry

Macroneuropteris macrophylla

Spermatopsida - Medullosales
Specimen Number: 440298

Spermatopsida - Medullosales
Photo by Jack Wittry

Macroneuropteris macrophylla

Spermatopsida - Medullosales
Specimen Number: 508776

Spermatopsida - Medullosales
Photo by Jack Wittry

Macroneuropteris scheuchzeri

Spermatopsida - Medullosales
Specimen Number: 10630

Spermatopsida - Medullosales
Photo by Jack Wittry

Macroneuropteris scheuchzeri

Spermatopsida - Medullosales
Specimen Number: 439523

Sphenopsida
Photo by Jack Wittry

Mariopteris nervosa

Sphenopsida
Specimen Number: 13463

Sphenopsida
Photo by Jack Wittry

Mariopteris nervosa

Sphenopsida
Specimen Number: 13469

Spermatopsida - Medullosales
Photo by Jack Wittry

Neuropteris blissi

Spermatopsida - Medullosales
Specimen Number: 10063

Spermatopsida - Medullosales
Photo by Jack Wittry

Neuropteris decipiens

Spermatopsida - Medullosales
Specimen Number: 10622

Spermatopsida - Medullosales
Photo by Jack Wittry

Neuropteris decipiens

Spermatopsida - Medullosales
Specimen Number: 10623

Spermatopsida - Medullosales
Photo by Jack Wittry

Neuropteris flexuosa

Spermatopsida - Medullosales
Specimen Number: 440002

Filicopsida
Photo by Jack Wittry

Neuropteris flexuosa

Spermatopsida-Medullosales
Specimen Number: 14247

Spermatopsida - Medullosales
Photo by Jack Wittry

Neuropteris jacksoni

Spermatopsida - Medullosales
Specimen Number: 444583

Spermatopsida - Medullosales
Photo by Jack Wittry

Neuropteris ovata

Spermatopsida - Medullosales
Specimen Number: 40310

Spermatopsida - Medullosales
Photo by Jack Wittry

Neuropteris ovata

Spermatopsida - Medullosales
Specimen Number: 444582

Spermatopsida - Medullosales
Photo by Jack Wittry

Neuropteris vermicularis

Spermatopsida - Medullosales
Specimen Number: 40312

Spermatopsida - Medullosales
Photo by Jack Wittry

Neuropteris vermicularis

Spermatopsida - Medullosales
Specimen Number: 438741

Spermatopsida - Medullosales
Photo by Jack Wittry

Neuropteris vermicularis

Spermatopsida - Medullosales
Specimen Number: 439899

Spermatopsida - Medullosales
Photo by Jack Wittry

Odontopteris aequalis

Spermatopsida - Medullosales
Specimen Number: 10323

Spermatopsida - Medullosales
Photo by Jack Wittry

Odontopteris aequalis

Spermatopsida - Medullosales
Specimen Number: 10333

Spermatopsida - Medullosales
Photo by Jack Wittry

Mariopteris sphenopteroides

Spermatopsida
Specimen Number: 13531

Spermatopsida - Medullosales
Photo by Jack Wittry

Odontopteris subcuneata

Spermatopsida - Medullosales
Specimen Number: 10374

Spermatopsida - Medullosales
Photo by Jack Wittry

Odontopteris subcuneata

Spermatopsida - Medullosales
Specimen Number: 10384

Spermatopsida - Medullosales
Photo by Jack Wittry

Pseudomariopteris cordato-ovata

Spermatopsida - Medullosales
Specimen Number: 508774

Spermatopsida - Medullosales
Photo by Jack Wittry

Neuropteris carrii

Spermatopsida-Medullosales
Specimen Number: 40302

Filicopsida
Photo by Jack Wittry

Pecopteris fontainei

Spermatopsida
Specimen Number: 14237

Filicopsida
Photo by Jack Wittry

Pecopteris fontainei

Spermatopsida
Specimen Number: 14240

Filicopsida
Photo by Jack Wittry

Pecopteris fontainei

Spermatopsida
Specimen Number: 14241

Filicopsida
Photo by Jack Wittry

Pecopteris fontainei

Spermatopsida
Specimen Number: 14247

Filicopsida
Photo by Jack Wittry

Pecopteris fontainei

Spermatopsida
Specimen Number: 14256

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