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Plants & Algae Collection


Various Fossilised Plants Division

 

Variuos Fossilised Plants Categories

Lepidodendron Category Ferns Category Other Plants Category

 

Lepidodendron

Division: Lycopodiophyta
Class: Isoetopsida
Order: Lepidodendrales
Family: Lepidodendraceae
Genus: Lepidodendron

Lepidodendron (also known as the "Scale tree") is an extinct genus of primitive, vascular, arborescent (tree-like) plant related to the Lycopsids (club mosses). They sometimes reached heights of over 30 m, and the trunks were often over 1 m in diameter, and thrived during the Carboniferous period. Sometimes called "giant club mosses", this is actually not correct as they are actually closer to quillworts than to club mosses.

Lepidodendron had tall, thick trunks that rarely branched and were topped with a crown of bifurcating branches bearing clusters of leaves. These leaves were long and narrow, similar to large blades of grass, and were spirally-arranged. The vascular system was a siphonostele with exarch xylem maturation.

The closely packed diamond-shaped leaf scars left on the trunk and stems as the plant grew provide some of the most interesting and common fossils in Carboniferous shales and accompanying coal deposits. These fossils look much like tire tracks or alligator skin.

 


Image Code F685
Catalogue No.: F685

Description: Lepidodendron obovatum Sternberg. Lycopod. Pella Beds. Pennsylvanian Period (=Upper Carboniferous Period). Pella, Iowa. Lepidodendron (also known as the "Scale tree") is an extinct genus of primitive, vascular, arborescent (tree-like) plant related to the Lycopsids (club mosses). It was part of the coal forest flora. They sometimes reached heights of over 30 metres (100 ft), and the trunks were often over 1 m (3.3 ft) in diameter, and thrived during the Carboniferous period.

Size: 490 x 310mm.

 


Image Code F2955
Catalogue No.: F2955

Description: Lepidodendron lanceolatum Lesquereux. Upper Carboniferous (Pennsylvanian). The Cones. Pella Beds, Pella, Iowa, USA.

Size: 470 x 360mm.

  


Image Code F3749
Catalogue No.: F3749

Description: Petrified Root of Lyepod tree, Lepidodendron stigmaria. Haskell Co., Oklahoma, USA. Early Pennsylvanian Period? 300 MYA. 2 pieces.

Size: 280 X 110mm.

  


Image Code F3751
Catalogue No.: F3751

Description: Petrified Root of Lyepod tree, Lepidodendron stigmaria. Haskell Co., Oklahoma, USA. Early Pennsylvanian Period? 300 MYA.

Size: 460 X 110mm.

 


Image Code F3753
Catalogue No.: F3753

Description: Petrified Root of Lyepod tree, Lepidodendron stigmaria. Haskell Co., Oklahoma, USA. Early Pennsylvanian Period? 300 MYA.

Size: 260 X 90mm.

 


Image Code F3754
Image Code F3754a
Catalogue No.: F3754

Description: Lepidodendron Cone.

Size: 69 X 88mm.

 


Image Code F3755
Image Code F3755a
Catalogue No.: F3755

Description: Lepidodendron Cone.

Size: 85 X 66mm.

 


Image Code F3756
Catalogue No.: F3756

Description: Lepidodendron Cone.

Size: 64 X 79mm.

 


Image Code F3757
Image Code F3757a
Catalogue No.: F3757

Description: Lepidodendron Cone.

Size: 139 X 82mm.

 


Image Code F3809
Catalogue No.: F3809

Description: Fossil "Scale tree", Lepidodendron stigmaria. Haskell County, Oklahoma, USA. Early Pennsylvanian Epoch. 300 MYA?

Size: 260 X 95mm.

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Ferns

A fern is any one of a group of about 20,000 species of plants classified in the phylum or division Pteridophyta, also known as Filicophyta. The group is also referred to as Polypodiophyta, or Polypodiopsida when treated as a subdivision of tracheophyta (vascular plants). The study of ferns and other pteridophytes is called pteridology, and one who studies ferns and other pteridophytes is called a pteridologist. The term "pteridophyte" has traditionally been used to describe all seedless vascular plants, making it synonymous with "ferns and fern allies". This can be confusing since members of the fern phylum Pteridophyta are also sometimes referred to as pteridophytes.

 


Image Code F3929
Catalogue No.: F3929

Description: Fern/ Palm Fossil. Pecopteris sp. Pennsylvanian Period. Magon Creek Formation. Braidwood, Illinois, USA.

Size: 450 X 415mm.

 


Image Code F3933
Catalogue No.: F3933

Description: ”Fish Bone” Fern Fossil.

Size: 61 X 113mm.

 


Image Code F3934
Catalogue No.: F3934

Description: ”Fish Bone” Fern Fossil.

Size: 115 X 85mm.

 


Image Code F3935
Catalogue No.: F3935

Description: ”Fish Bone” Fern Fossil.

Size: 110 X 85mm.

 


Image Code F3936
Catalogue No.: F3936

Description: ”Fish Bone” Fern Fossil.

Size: 157 X 112mm.

 


Image Code F3937
Catalogue No.: F3937

Description: ”Fish Bone” Fern Fossil.

Size: 151 X 94mm.

 


Image Code F3938
Catalogue No.: F3938

Description: ”Fish Bone” Fern Fossil.

Size: 100 X 42mm.

 


Image Code F3939
Catalogue No.: F3939

Description: ”Fish Bone” Fern Fossil.

Size: 91 X 80mm.

 


Image Code F4248
Catalogue No.: F4248

Description: Fern.

Size: 94 X 57mm.

 


Image Code F4250
Catalogue No.: F4250

Description: Fern Fossil. Pennsylvanian. Mazon Creek, Braidwood, Illinois.

Size: 81 X 38mm.

 


Image Code F4251
Catalogue No.: F4251

Description: Fish Bone Fern. Mazon Creek, Illinois.

Size: 51 X 48mm.

 


Image Code F4252
Catalogue No.: F4252

Description: Fern.

Size: 78 X 32mm.

 


Image Code F4253
Catalogue No.: F4253

Description: Fern Fossil. Pecopteris sp. Pennsylvanian Carbondale Pit 11, Braidwood, Illinois.

Size: 78 X 45mm.

 


Image Code F4254
Catalogue No.: F4254

Description: Fern.

Size: 129 X 39mm.

 


Image Code F4257
Catalogue No.: F4257

Description: Fern.

Size: 119 X 51mm.

 


Image Code F4258
Catalogue No.: F4258

Description: Fern.

Size: 121 X 42mm.

 


Image Code F4260
Catalogue No.: F4260

Description: Fern Fossil. Pecopteris sp.  Pennsylvanian.  Mazon Creek, Fm Braidwood, Illinois.

Size: 82 X 37mm.

 


Image Code F4261
Catalogue No.: F4261

Description: Fern Fossil. Pennsylvanian. Mazon Creek, Fm Braidwood, Illinois.

Size: 58 X 22mm.

 


Image Code F4259
Catalogue No.: F4259

Description: Tongue Fern, Nenaptenis Violetta. Pennsylvanian. Mazon Creek, Morris, Illinois.

Size: 72 X 43mm.

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Other Fossilised Plants


Image Code F3738
Catalogue No.: F3738

Description: Various Plant Fossils. 8 pieces.

Size: 91 X 55mm.

 


Image Code F3732
Catalogue No.: F3732

Description: Neozephionites sp. Mississippian Period. Tulsa, Oklahoma, USA.

Size: 58 X 150mm.

 


Image Code F3739
Catalogue No.: F3739

Description: Fossil seeds inside selenite (pond weed), Potamogeton sp. Pleistocene Period. Tule Formation.  Briscoe County, Texas, USA. 3 pieces.

Potamogeton
, commonly called pondweed (not all pondweeds are Potamongetons), is a genus of aquatic, mostly freshwater, plants of the family Potamogetonaceae. Plants are mostly perennial and typically produce rhizomes which are the common over-wintering form. Many species also produced specialised overwintering buds called turions which may be borne on the rhizome, on the stem or on stolons from the rhizome. The leaves are alternate, which contrasts with the closely related genus Groenlandia where the leaves are opposite or whorled.

Size: 169 X 41mm.

 


Image Code F3854
Catalogue No.: F3854

Description: Fossil Calamites. Pennsylvanian. Braidwood, Illinois, USA. Calamites is a genus of extinct arborescent (tree-like) horsetails to which the modern horsetails (genus Equisetum) are closely related. Unlike their herbaceous modern cousins, these plants were medium-sized trees, growing to heights of more than 30 meters (100 feet). They were components of the understories of coal swamps of the Carboniferous period.

Size: 78 X 56mm.

 


Image Code F3930
Catalogue No.: F3930

Description: Fossil Plant Imprints Formation. Goscoyne Region, Western Australia.

Size: 330 X 260mm.

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Victor Pracas Collection           Contact: vmpcollect@gmail.com
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