Rhynchosperma quinnii
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Taxonavigation
[edit]Superregnum: Eukaryota
Regnum: Plantae
Divisio: Tracheophyta
Divisio: Cycadophyta
Classis: Cycadopsida
Ordo: †Medullosales
Familia: †Medullosaceae
Genus: Rhynchosperma
Species: R. quinnii
Name
[edit]Rhynchosperma T.N.Taylor and D.A.Eggert 1967a
Type locality
[edit]Chesterian (Upper Mississippian); Llower shale unit, Fayetteville Shale, Fayetteville Formation, Chester Series; White River or Cato Springs Branch Creek, Washington County, Arkansas, USA
Type material
[edit]- Holotype: Paleobotanical Collection, Department of Biological Sciences, University of Kansas, Lawrence, Kansas, USA; Specimen 2002
- Paratypes: Paleobotanical Collection, Department of Biological Sciences, University of Kansas, Lawrence, Kansas, USA; Specimens 2000, 2001, and 2003
References
[edit]- Dunn, Michael T., Rothwell, Gar W., & Mapes, Gene (2002) "Additional observations on Rhynchosperma quinnii (Medullosaceae): a permineralized ovule from the Chesterian (Upper Mississippian) Fayetteville Formation of Arkansas" 89:1799-1808