Anatomically preserved marattiales from coal swamps of the Desmoinesian and Missourian of the midcontinent United States: Systematics, ecology and evolution

Eleven species-level assemblages of stems, frond members and fertile foliage of anatomically preserved Marattiales are proposed, based on specimens in coal balls from 16 coals in the Desmoinesian and Missourian (Westphalian D and Stephanian) of the Illinois, Forest City and Arkoma Basins. Four new combinations, Psaronius calicifolius (Millay) Lesnikowska, Psaronius gnomus (Lesnikowska & Millay) Lesnikowska, Psaronius illinoensis (Ewart) Lesnikowska, and Psaronius minor (Hoskins) Lesnikowska are made to accommodate well documented assemblages and seven are treated informally.

Name thesis:degree_name

Ph.D.

Level thesis:degree_level

Dissertation

Discipline thesis:degree_discipline

Plant Biology

Grantor

University of Illinois at Urbana-Champaign

Year dc:date

2011

Author dc:creator

• Lesnikowska, Alicia Dodge

Contributors dc:contributor

• Phillips, T.L.

• Paleobotany

Statement dc:rights

• Copyright 1989 Lesnikowska, Alicia Dodge

Language dc:language

eng

Identifier

AAI8924883
(UMI)AAI8924883

OAI identifier oai:identifier

oai:www.ideals.illinois.edu:2142/23133