Plant Fossils - Unknown Locality
I strongly feel these are from the Upper Pennsylvanian, Monongahelia Formation, which
is the formation throughout the Georges Creek Coalfield, in Allegheny County, Maryland.
Donated by Adrien Malick from the Donald Malick Fossil Collection.
is the formation throughout the Georges Creek Coalfield, in Allegheny County, Maryland.
Donated by Adrien Malick from the Donald Malick Fossil Collection.
61-1 Macroneuropteris scheuchzeri - Tree-fern (Formerly know as Neuropteris scheuchzeri)
The longest leaf measures roughly 10.5 cm. A - Terminal Pinnule / B - Trifoliate pinnule / C - Calamites
The longest leaf measures roughly 10.5 cm. A - Terminal Pinnule / B - Trifoliate pinnule / C - Calamites
61-2 Calamites trunk? / Two Views / Measures 16 cm. in length
61-3 Macroneuropteris scheuchzeri - Tree-fern (Formerly know as Neuropteris scheuchzeri)
The Largest leaf measures 8 cm.
The Largest leaf measures 8 cm.
61-4 Neuropteris ovata - Tree Fern / note that leaves alternate and are attached to the rachis
by a single vein. Rounded at the tip. Longest leaves are about 2.5 cm.
by a single vein. Rounded at the tip. Longest leaves are about 2.5 cm.
61-5 Pecopteris sp. - Tree Fern / note that leaves alternate and are attached to the rachis
by a single vein. Rounded at the tip. Longest leaves are about 2.5 cm.
by a single vein. Rounded at the tip. Longest leaves are about 2.5 cm.
61-6 Neuropteris ovata - Tree Fern / note the Terminal Pinnules to the right.
The largest single frond is 6.5 cm., while the longest leaflet is about 1 cm.
The largest single frond is 6.5 cm., while the longest leaflet is about 1 cm.
61-7 Pecopteris sp
61-8 (side 1) Cordaites leaf
61-8 (side 2) Mariopteris sp. (#1) / Pectoperis sp. (#2)
61-9 (side 1) A Macroneuropteris scheuchzeri / B Macroneuropteris scheuchzeri
C Calimites: stem with branch / D Macroneuropteris scheuchzeri
C Calimites: stem with branch / D Macroneuropteris scheuchzeri
61-13 Alliopteris sp.
61-22 Pectoperis sp.
61-23 Calamites sp.
61-25 Neuropteris (obliqua?)
61-27 Cordaites sp.
61- 28 side a Neuropteris ovata
61- 31 Neuropteris ovata