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UAM Earth Sciences Collection (Arctos)

Specimen Records: 53,084
Media Records: 49,330
iDigBio Last Ingested Date: 2026-04-23

The University of Alaska Museum of the North Earth Sciences collection (UAMES) focuses on Alaskan fossils. It contains more than 65,000 specimens in two sub-collections: paleontology and geology (not databased yet). The paleontology collection houses both vertebrate and invertebrate specimens, ranging from Cambrian archaeocyathids to Quaternary mammals. Significantly, it is the largest collection of polar dinosaurs in the world with 10,000 specimens, primarily from the North Slope of Alaska. It also comprises a diverse assortment of Alaskan Quaternary mammals, including a large portion of the material collected throughout Alaska by Otto W. Geist between the late 1920s and the 1960s. The collection also contains a variety of paleobotanical specimens and a large collection of invertebrates (both micro- and macrofossils). It is home to 39 holotypes and 409 paratypes, most of which are invertebrates. The collection is growing through active research projects in different regions of Alaska and collaboration with state and federal agencies.

Contacts

Name Patrick Druckenmiller
RoleCurator of Earth Sciences
Emailpsdruckenmiller@alaska.edu
Name Patrick Druckenmiller
RoleCurator of Earth Sciences
Emailpsdruckenmiller@alaska.edu
Name David Bloom
RoleVertNet Coordinator
Emaildbloom@vertnet.org
Name Dusty McDonald
RoleArctos Database Programmer
Emaildlmcdonald@alaska.edu
Name Julie Rousseau
RoleEarth Sciences Collection Manager
Emailjirousseau@alaska.edu
Name Patrick Druckenmiller
RoleCurator of Earth Sciences
Emailpsdruckenmiller@alaska.edu
This table shows any data corrections that were performed on this recordset to improve the capabilities of iDigBio Search. The first column represents the correction performed. The last two columns represent the number and percentage of records that were corrected. A complete list of the data quality flags and their descriptions can be found here. Clicking on a data flag name will take you to a search for all records with this flag in this recordset.
FlagRecords With This Flag(%) Percent With This Flag
idigbio_isocountrycode_added  i46800
88.162
dwc_continent_added  i46799
88.16
geopoint_datum_error  i31408
59.167
dwc_datasetid_added  i21580
40.653
dwc_parentnameusageid_added  i21580
40.653
dwc_taxonid_added  i21580
40.653
dwc_taxonomicstatus_added  i21580
40.653
gbif_canonicalname_added  i21580
40.653
gbif_genericname_added  i21580
40.653
gbif_taxon_corrected  i21580
40.653
dwc_scientificnameauthorship_added  i20100
37.865
gbif_reference_added  i16596
31.264
gbif_vernacularname_added  i16023
30.184
dwc_multimedia_added  i15230
28.69
taxon_match_failed  i5900
11.114
geopoint_low_precision  i5077
9.564
dwc_genus_added  i4067
7.661
dwc_order_added  i4028
7.588
dwc_family_added  i4003
7.541
dwc_taxonrank_replaced  i3906
7.358
dwc_class_added  i2717
5.118
dwc_phylum_replaced  i1963
3.698
rev_geocode_eez  i1781
3.355
dwc_kingdom_added  i1653
3.114
dwc_phylum_added  i1653
3.114
dwc_specificepithet_added  i1510
2.845
dwc_taxonrank_added  i1498
2.822
dwc_originalnameusageid_added  i1477
2.782
dwc_order_replaced  i1247
2.349
dwc_class_replaced  i1245
2.345
dwc_kingdom_suspect  i952
1.793
dwc_family_replaced  i283
0.533
rev_geocode_mismatch  i282
0.531
dwc_genus_replaced  i243
0.458
dwc_kingdom_replaced  i140
0.264
dwc_infraspecificepithet_added  i16
0.03
rev_geocode_corrected  i9
0.017
rev_geocode_lon_sign  i8
0.015
rev_geocode_eez_corrected  i4
0.008
rev_geocode_failure  i3
0.006
rev_geocode_lat_sign  i1
0.002