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TABLE 1. Composition of the KUMIP Spence Shale collection by specimen count.

Taxa Group Specimen Count Percentage of total
Echinoderms 2141 38.30%
Trilobites & agnostids 1848 33.06%
Hyoliths 671 12.00%
Brachiopods 342 6.12%
Problematica (Eldonia, Banffia, Siphusauctum, Armilimax) 166 2.97%
Soft-bodied arthropods 115 2.06%
Hemichordata 82 1.47%
Indeterminate 53 0.95%
Scalidophorans 47 0.84%
Lobopodians 37 0.66%
Algae & cyanobacteria 37 0.66%
Molluscs (Latouchella, Scenella, and Wiwaxia) 32 0.57%
Porifera 19 0.34%
Total 5590 100%

 

 

TABLE 2. Breakdown of Spence Shale collection by locality.

Locality Number of specimens Percentage (%) of total specimens per locality Number of biomineralized specimens Number of soft-bodied specimens Percentage (%) of biomineralized specimens per locality
Antimony Canyon 2386 42.68 2314 72 96.98
Wellsville Mountains 848 15.17 790 58 93.16
Miners Hollow 672 12.02 277 395 41.22
Oneida Narrows 635 11.36 629 6 99.06
High Creek 494 8.84 482 12 97.57
Spence Gulch 416 7.44 411 5 98.80
Emigration Canyon 57 1.02 57 0 100.00
Cataract Canyon 38 0.68 20 18 52.63
Hansen Canyon 19 0.34 12 7 63.16
Utah 6 0.11 1 5 16.67
Two Mile Canyon 6 0.11 6 0 100.00
Calls Fort 3 0.05 1 2 33.33
Promontory Mountains 3 0.05 3 0 100.00
Donation Canyon 2 0.04 0 2 0.00
Unrecorded 5 0.09 4 1 80.00
Total 5590   5007 583  

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