Conglobocella troxelii Licari

Plant Fossil Names Registry Number: PFN000277


Author: G. R. Licari

Rank: species

Reference: Licari, G. R. (1978): Biogeology of the late pre-Phanerozoic Beck Spring Dolomite of eastern California. – Journal of Paleontology 52(4): 767–792.

Page of description: 788

Illustrations or figures: pl. 2, fig. 4

Name is type for


Holotype n/n, Biogeology Clean Laboratory, University of California, Santa Barbara, California, USA
Figures: pl. 2, fig. 4

Note: Licari (1978): Holotype is the tetrad located on thin section C250(39) from the Cloud Collection. Coordinates (21.7, 8.9).

Original diagnosis/description

As for the genus. Individual cells characteristically form tetrads. Table 1 summarizes pertinent morphologic characteristics.


Named for Bennie W. Troxel in honor of his many contributions to the understanding of the stratigraphy and structure of the younger pre-Phanerozoic rocks of the southern Death Valley-Kingston Range region.


Proterozoic, Mesoproterozoic
The fossiliferous outcrops occur 2,900 m below the lowest metazoan trace fossils, are younger than 1.7 b.y. and are correlated to the Apache Group of Arizona, bracketed between radiometric ages of 1.2 and 1.4 b.y.


United States
Locality 3 of 8/11/68 – Black laminated chert from partially silicified stromatolites within the top one meter of exposed outcrop of the Beck Spring Dolomite on the north slope of the Kingston Range, south side of road 0.5 km east-southeast of Horse Thief Springs, north-eastern San Bernardino County, California. Unsurveyed NE¼ sec. 2, T19N, R10E, of Horse Thief Springs Quadrangle, California-Nevada (1:62,500). Elevation about 1,344 m.

Plant fossil remain

algae - other


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