Also known as Bullion seam
Where: England, United Kingdom (53.5° N, 2.0° W)
• Paleocoordinates: 5.3° S, 4.8° E (Wright 2013)
• coordinate estimated from map
• local area-level geographic resolution
When: Westphalian A (318.7 - 316.9 Ma)
• "the Union seam splits into the Upper Foot or Bullion seam above and the Lower Main or Gannister seam below" (Galtier 1997)
• bed-level stratigraphic resolution
Environment/lithology: coal and coal ball
Preservation: permineralized
Primary reference: J. Galtier. 1997. Coal-ball floras of the Namurian-Westphalian of Europe. Review of Palaeobotany and Palynology 95:51-72 [H. Sims/J. Cassara/J. Cassara]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 37376: authorized by Hallie Sims, entered by Jason Cassara on 14.03.2004
Creative Commons license: CC0 (CC0)
Taxonomic list
unclassified | |
Medullosa anglica | |
"Medullosa anglica" = Pecopteromedullosa anglica
| |
Conostoma | |
Palaeostachya | |
Myeloxylon | |
Myeloxylon sp. Brongniart 1849 | |
Sphenopteridae | |
Lyginopteris oldhamia Binney 1866 | |
Medullosa | |
Pteridotheca | |
Tubicaulis | |
| |
Psalixochlaena cylindrica | |
Psalixochlaena cylindrica Williamson 1878 | |
Polypodiopsida | |
| |
Bothrodendron | |
Pinopsida | |
Mitrospermum compressum Williamson 1910 | |
Amyelon radicans, Mesoxylon lomaxii, Mesoxylon multirame, Mesoxylon platypodium, Mesoxylon poroxyloides, Mesoxylon sutcliffii, Cladites bracteatus, Mesoxylopsis arberae
Amyelon radicans Williamson 1874 | |
Lepidocarpaceae | |
Lepidodendron obovatum, Lepidophylloides minor, Lepidophylloides papillonaceum, Lepidophloios harcourtii, Lepidophloios fuliginosus
Lepidodendron obovatum Sternberg 1820 | |
Sigillariaceae | |
Mazocarpon shorense Benson 1918 | |
Physostoma elegans | |
Physostoma elegans Williamson 1876 | |
Lagenostoma | |
Lagenostoma ovoides | |
Lagenostoma ovoides Williamson 1876 | |
Heterangium | |
Microspermopteris | |
Telangium | |
Cladoxylopsida | |
| |
Equisetopsida | |
Calamitopsida | |
Stigmaria | |
Stigmaria ficoides | |
Stigmaria ficoides Sternberg 1822 | |
Anachoropteris | |
Cyathotrachus altus | |
Cyathotrachus altus Watson 1906 | |
Lepidocarpon | |
Pachytesta | |