Springfield Junction, 1 mi W of Springfield, Lane Co. (Oligocene of the United States)

Where: Lane County, Oregon (44.0° N, 123.0° W: paleocoordinates 43.7° N, 113.3° W)

When: Oligocene (33.9 - 23.0 Ma)

Environment/lithology: marine; lithology not reported

Size classes: macrofossils, mesofossils

• One small specimen (P. vulgaris) in a nodule showing only middle portion of carapace, also impression of same; (Graptocarcinus ? sp.)- encased in a nodule, one specimen showing the eye and orbits, general outline of carapace, and position of the buccal cavity; three specimens and one impression of parts of the carapace, also two specimens showing together the episternum and the first three sternal somites (R. fulgidus); four fragments of carapace and appendages; the fragment showing the antero-lateral spine and adjacent part of the carapace may be considered the type (R. asper); about 30 nodules containing mostly small fragments but among them several examples of the wrist or the chela (C. oregonensis);

Preservation: mold/impression, concretion

Collected by Chester W. Washburne, USGS (5458) in 1897; reposited in the USNM

• One specimen (P. vulgaris) in nodule showing part of carapace and impression, Cat. No. 353398; Cat. No. 353565 (Graptocarcinus ? sp.); Cat. No. 353340 (R. fulgidus); Cat. No. 353337 (R. asper); Cat. No. 353331 (C. oregonensis);

Primary reference: M. J. Rathbun. 1926. The Fossil Stalk-Eyed Crustacea of the Pacific Slope of North America. Smithsonian Institution United States National Museum [C. Schweitzer/S. Yost/S. Yost]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 139537: authorized by Carrie Schweitzer, entered by Samantha Yost on 13.02.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Malacostraca
 Decapoda - Callianassidae
Callianassa oregonensis Dana 1849 decapod
 Decapoda - Dynomenidae
Graptocarcinus ? sp. Roemer 1887 crab
 Decapoda - Raninidae
Raninoides asper Rathbun 1926 crab
Raninoides fulgidus Rathbun 1926 crab
 Decapoda - Xanthidae
Pilodius vulgaris Glaessner 1928 stone crab