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Aclistochara rotunda
Aclistochara rotunda R.E. Peck Profess. Pap. U.S. Geol. Surv., 294(A): 28. Aug 1957
- Name
- Aclistochara rotunda
- Rank
- Species
- Generic Name
- [Genus] Aclistochara
- Authors (Pub.)
- Peck R. E.
- Publication
- North American Mesozoic Charophyta [1957/8]
- Journal
- Professional Papers / United States Geological Survey
- Volume
- 294
- Issue
- A
- Page number
- 28
- Year
- 1957
- Parent Taxon
- [Genus] Aclistochara
- Fossil Status
- gyrogonites
- Stratigraphy
- Kimmeridgian
- Location
- End of the road to Spanish Diggings in the Wy2 sec. 31, T. 31 N., R. 66 W., Niobrara County, Wyoming, USA
- Paleoregion
- America (North)
Data for Holotypus
- Repository
- U.S. Geological Survey, Denver, USA
- Repository Number
- 432
- Diagnosis
- Gyrogonites fairly large, averaging between 500/A and 600/A in length and diameter, spheroidal in shape or slightly longer than broad, the greatest diameter at midheight. Spiral ridges intercellular, rounded, prominent, separated by fairly deep cellular furrows about 80/* in width. Eight or nine ridges in lateral view. Summit opening about two-fifths total diameter of specimen.
Nomenclatural synonyms (basionyms)
Species