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| site | collection date | depth | substrate | salin | locality kind | comments | reference | |
|---|---|---|---|---|---|---|---|---|
| A | spring near Fort Bridger, Wyoming, USA | Aug 3, 1877 | freshwater | type locality | discovered by Leidy who Girard 1893 {17582} p 173 quotes as numerous individuals crawling on aquatic plants | Girard CF (1891) 80; from Hyman 1931 (citation)- p 124.; and Kenk 1973 (citation)- p 1 |