Artisophyton chalmersii (Goodlet) C.J.Cleal, Strullu-Derr. et A.R.Spencer

Plant Fossil Names Registry Number: PFN003374

Act LSID: urn:lsid:plantfossilnames.org:act:3374

Authors: C. J. Cleal, C. Strullu-Derrien & A. R. T. Spencer

Rank: species

Basionym: Megaphyton chalmersii Goodlet

Genus:

Reference: Cleal, C. J., Strullu-Derrien, C. & Spencer, A. R. T. (2024): Early coal cwamp vegetation from the Serpukhovian lower Clackmannan Group of Scotland. – Fossil Imprint 80(1): 35–67.

Page of description: 47

Types

Original diagnosis/description

Stem, preserved as cast in sandstone; 17.5 cm. long; 5 cm. broad; 4 cm. thick; transverse section rounded rectangular. Leaf scars 24 mm. wide and 15 mm. high; crescentic in form with the concavity upwards; arranged in two vertical opposite rows, the leaf scars of one row alternating with those in the other row; the vertical interval between scars in a row 6 cm.; leaf trace U-shaped with the concavity towards the main axis; leaf bases markedly decurrent, extending some 3 cm. below level of attachment. Internal structure probably a hollow cylindrical stele broken only by the emission of the leaf traces.

Stratigraphy

Carboniferous, Mississippian, Serpukhovian
Limestone Coal Group, between Mynheer Coal and Pittencrieff Blackband Ironstone

Actualised stratigraphy according to Cleal et al. (2024: Foss. Imp., 80(1): xx)

Locality

United Kingdom
Wallsend Pit, Elgin Colliery, near Dunfermline, Fife