Where: Fall River County, South Dakota (43.4° N, 103.3° W: paleocoordinates 49.3° N, 71.3° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Baculites obtusus ammonoid zone, Sharon Springs Formation (Pierre Shale Group), Middle Campanian (83.5 - 70.6 Ma)

• Like UCM 35059, it was found in the Baculites obtusus zone of the Sharon Springs Formation.

• bed-level stratigraphic resolution

Environment/lithology: deep-water; concretionary shale

Size class: macrofossils

• SDSM 142501 is a Unktaheela specta skull

Collected by James Martin in 1998; reposited in the SDSM

Collection methods: quarrying, chemical, mechanical,

• SDSM 142501 is a skull collected for the South Dakota School of Mines & Technology by James Martin in 1998.

Primary reference: J. Hargrave. 2007. Pteranodon (Reptilia: Pterosauria): stratigraphic distribution and taphonomy in the lower Pierre Shale Group (Campanian), western South Dakota and eastern Wyoming. Geological Society of America Special Paper 427:215-225 [R. Butler/R. Butler]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 94640: authorized by Richard Butler, entered by Richard Butler on 05.03.2010, edited by Franco Aspromonte

Creative Commons license: CC BY (attribution)