Rhynchosperma quinnii

Taxonavigation

Superregnum: Eukaryota
Regnum: Plantae
Divisio: Tracheophyta
Divisio: Cycadophyta
Classis: Cycadopsida
Ordo: †Medullosales
Familia: †Medullosaceae
Genus: Rhynchosperma

Species: R. quinnii

Name

Rhynchosperma T.N.Taylor and D.A.Eggert 1967a

Type locality

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

• 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

• 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