Steganotheca striata D.Edwards

Plant Fossil Names Registry Number: PFN000856


Author: D. Edwards

Rank: species

Genus: Steganotheca D.Edwards

Reference: Edwards, D. (1970): Fertile Rhyniophytina from the Lower Devonian of Britain. – Palaeontology 13(3): 84–87., link

Page of description: 452

Illustrations or figures: pl. 84, figs 1–6, pl. 85, figs 1–8

Name is type for


Holotype 69·64 G32a and counterpart, National Museum or Wales, Cardiff, United Kingdom
Figures: pl. 84, figs 1, 2, 5, 6, pl. 85, fig. 1

Original diagnosis/description

Axes with at least four dichotomies. 0·4-0·8 mm. wide, with central line. Surface longitudinally striated. Sporangia 1·8- 2·7 mm. long and 1·0- 1·5 rnm. wide; tapering at base: apex truncated; apex formed by terminal lens-shaped structure of coaly material, up to 0·25 mm. thick; surface of sporangium obliquely striated; parallel sides.


Devonian, Lower Devonian
Long Quarry Beds, Grey Downtonian, Lower Old Red Sandstone of South Wales


United Kingdom
Capel Horeb Quarry, abandoned quarry on the A40 between Trecastle and Llandovery; Nat. Grid Ref. SN 844323

Plant fossil remain

macro- and meso-fossils-embryophytes except wood


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