The INTERNATIONAL FOSSIL PLANT NAMES INDEX
Global registry of scientific names of fossil organisms covered by the International Code of Nomenclature for Algae, Fungi, and Plants and the International Code of Zoological Nomenclature © 2014-2024

IDNAME urn:idName:ifpni.org:species:EAA60F98-8823-4FA2-8855-27E1789835C9 species
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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

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