Peter Walter Claassen

Claassen; P. W. Claassen; Peter Claassen; Peter W. Claassen

* June 17, 1886 – August 16, 1937 †

entomologist

American entomologist

Wikidata iD http://www.wikidata.org/entity/Q21338368

United States

Scientific Name Collected By Identified By Date Collected Date Identified Family Institution Catalog Number Type Status Basis Of Record
identified Nemoura truncata Claassen 1923 Samuel L. Henshaw P. W. Claassen 1879-05-13 1923-12-31 Nemouridae MCZ 15522 holotype of nemoura truncata PRESERVED_SPECIMEN
identified Nemoura prolongata Claassen 1923 Charles Willison Johnson P. W. Claassen 1913-06-26 1923 Nemouridae MCZ 35622 holotype of nemoura prolongata PRESERVED_SPECIMEN
identified Nemoura nevadensis Claassen 1923 Morrison P. W. Claassen 1878-01-01/1878-12-31 1923-12-31 Nemouridae MCZ 15521 holotype of nemoura nevadensis PRESERVED_SPECIMEN
identified Nemoura carolinensis Claassen [no agent data] P. W. Claassen 1877-01-01/1877-12-31 1923-12-31 Nemouridae MCZ 25951 holotype of nemoura carolinensis PRESERVED_SPECIMEN
identified Campylacantha vivax Williams, Francis Claassen, P 1910 Acrididae KU 771153 PRESERVED_SPECIMEN
identified Melanoplus sanguinipes atlanis Williams, Francis Claassen, P 1912-06-28 Acrididae KU 774258 PRESERVED_SPECIMEN
identified Melanoplus sanguinipes atlanis Williams, Francis Claassen, P 1911-07-10 Acrididae KU 774166 PRESERVED_SPECIMEN
identified Melanoplus femurrubrum Williams, Francis Claassen, P 1911-07-23 Acrididae KU 773509 PRESERVED_SPECIMEN
identified Melanoplus sanguinipes atlanis Williams, Francis Claassen, P 1912-08-09 Acrididae KU 807869 PRESERVED_SPECIMEN
identified Campylacantha vivax Williams, Francis Claassen, P 1911-08-25 Acrididae KU 771147 PRESERVED_SPECIMEN
identified Melanoplus sanguinipes atlanis Williams, Francis Claassen, P 1910 Acrididae KU 807944 PRESERVED_SPECIMEN
identified Melanoplus sanguinipes atlanis Williams, Francis Claassen, P 1912-08-27 Acrididae KU 774140 PRESERVED_SPECIMEN
identified Melanoplus sanguinipes atlanis Williams, Francis Claassen, P 1912-06-28 Acrididae KU 774254 PRESERVED_SPECIMEN
identified Hypochlora alba Williams, Francis Claassen, P 1912-08-09 Acrididae KU 763562 PRESERVED_SPECIMEN
identified Melanoplus sanguinipes atlanis Williams, Francis Claassen, P 1911-07-10 Acrididae KU 807884 PRESERVED_SPECIMEN
identified Melanoplus sanguinipes atlanis Williams, Francis Claassen, P 1912-08-09 Acrididae KU 807889 PRESERVED_SPECIMEN
identified Melanoplus sanguinipes atlanis Williams, Francis Claassen, P 1912-08-27 Acrididae KU 807882 PRESERVED_SPECIMEN
identified Melanoplus packardii Snow, Francis Claassen, P 1902-06-21 Acrididae KU 774304 PRESERVED_SPECIMEN
identified Melanoplus lakinus Williams, Francis Claassen, P 1912-08-09 Acrididae KU 773979 PRESERVED_SPECIMEN
identified Melanoplus packardii Williams, Francis Claassen, P 1911-07-10 Acrididae KU 774320 PRESERVED_SPECIMEN
identified Melanoplus sanguinipes atlanis Williams, Francis Claassen, P 1912-06-22 Acrididae KU 807826 PRESERVED_SPECIMEN
identified Campylacantha vivax Williams, Francis Claassen, P 1912-08-09 Acrididae KU 771159 PRESERVED_SPECIMEN
identified Melanoplus packardii Williams, Francis Claassen, P 1912-07-13 Acrididae KU 774378 PRESERVED_SPECIMEN
identified Melanoplus sanguinipes atlanis Williams, Francis Claassen, P 1912-07-19 Acrididae KU 807838 PRESERVED_SPECIMEN
identified Melanoplus sanguinipes atlanis Williams, Francis Claassen, P 1912-08-03 Acrididae KU 807952 PRESERVED_SPECIMEN
identified Melanoplus sanguinipes atlanis Williams, Francis Claassen, P 1912-07-05 Acrididae KU 807871 PRESERVED_SPECIMEN
identified Melanoplus sanguinipes atlanis Williams, Francis Claassen, P 1912-07-12 Acrididae KU 807960 PRESERVED_SPECIMEN
identified Hypochlora alba Williams, Francis Claassen, P 1912-08-09 Acrididae KU 763573 PRESERVED_SPECIMEN
identified Melanoplus lakinus Williams, Francis Claassen, P 1911-07-23 Acrididae KU 773987 PRESERVED_SPECIMEN
identified Melanoplus sanguinipes atlanis Williams, Francis Claassen, P 1912-07-05 Acrididae KU 774243 PRESERVED_SPECIMEN