Where: Colorado (37.8° N, 106.9° W: paleocoordinates 38.8° N, 101.4° W)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Creede Formation, Late/Upper Oligocene (28.4 - 23.0 Ma)

• The deposits are dated at 26.26-26.93 Ma (Lanphere 2000; Prothero 2008; Reynolds et al 2000)

Environment/lithology: crater lake; diatomaceous, tuffaceous shale

Size classes: macrofossils, mesofossils

Preservation: mold/impression, adpression

Collected by Allan Caplan, Carpenter, C.T. Parsons in 1934; reposited in the MCZ

• "In 1932, Mr. Allan Caplan, then a senior in the Creede High School, found that insects also were not uncommon in the formation, and an examination of some of his specimens convinced me that a collecting trip to this formation would be a practicable and profitable undertaking. With the aid of a grant rom the Milton Fund of Harvard University, the collecting trip was made during the summer of 1934. In addition to the writer and his wife, the party consisted of Mr. C. T. Parsons, a student in Harvard College, and Mr. Caplan, who joined us at Creede. In the course of the summer about two thousand insects were secured; most of these were actually found by Mr. Caplan" Carpenter et al., 1938

Primary reference: F. M. Carpenter, T. E. Snyder, C. P. Alexander, M. T. James, and F. M. Hull. 1938. Fossil Insects from the Creede Formation, Colorado Part 1. Introduction, Neuroptera, Isoptera and Diptera. Psyche 45:105-119 [M. Clapham/J. Karr]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 121977: authorized by Matthew Clapham, entered by Jered Karr on 13.12.2011, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)