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Smithsonian Open Access Explorer

Smithsonian Open Access Explorer organizes records from Smithsonian Open Access API into a static table for transparent comparison. It preserves official source links and dates, marks missing enrichment, and adds deterministic grouping, change, recency, trend, or significance fields only where the documented inputs support them, without recommendations or unsupported claims.

Records
5,000
Last changed
Update schedule
18 12 3 * * UTC
Coverage
01/01/1990–06/18/2022
Method
Methodology
RecordRecord DateVuga GroupChange StatusRecency DaysResearch Attention Score
Pachygrapsus loveridgei07/14/1976NMNHINVunchanged18,308.430
Calappa galloides03/01/1980NMNHINVunchanged16,982.430
Lithoscaptus helleri11/21/1984NMNHINVunchanged15,256.430
Crangonyx shoemakeri04/17/1994NMNHINVunchanged11,822.430
Strophitus tennesseensis—NMNHINVunchanged—0
Quadrula metanevra—NMNHINVunchanged—0
Quadrula pustulosa—NMNHINVunchanged—0
Lampsilis fasciola—NMNHINVunchanged—0
Anodonta (Anodonta) nuttalliana01/01/1950NMNHINVunchanged27,999.430
Quadrula metanevra10/22/1908NMNHINVunchanged43,045.430
Lampsilis ventricosa07/29/1907NMNHINVunchanged43,496.430
Lampsilis ventricosa07/30/1907NMNHINVunchanged43,495.430
Ellipsaria lineolata08/29/1907NMNHINVunchanged43,465.430
Actinonaias carinata carinata—NMNHINVunchanged—0
Lampsilis splendida05/26/1977NMNHINVunchanged17,992.430
Parreysia (Nyassunio) nyassaensis07/23/1979NMNHINVunchanged17,204.430
Quadrula quadrula02/14/1981NMNHINVunchanged16,632.430
Prunum roosevelti11/18/1980NMNHINVunchanged16,720.430
Pyrgulopsis morrisoni10/02/1973NMNHINVunchanged19,324.430
Pyrgulopsis conica04/06/1981NMNHINVunchanged16,581.430
Pyrgulopsis thompsoni11/14/1978NMNHINVunchanged17,455.430
Unio cambodiensis—NMNHINVunchanged—0
Cambarus veteranus11/02/1938NMNHINVunchanged32,077.430
Porcellana platycheles04/27/1966NMNHINVunchanged22,039.430
Bathymodiolus childressi08/10/1992NMNHINVunchanged12,437.430
Malacobdella grossa04/01/1930NMNHINVunchanged35,214.430
Eunice microprion02/16/1908NMNHINVunchanged43,294.430
Placobdella rugosa09/05/1921NMNHINVunchanged38,344.430
Helodrilus caliginosus trapezoides—NMNHINVunchanged—0
Allolobophora sp.—NMNHINVunchanged—0
Phascolosoma varians—NMNHINVunchanged—0
Hypaniola grayi08/21/1952NMNHINVunchanged27,036.430
Tubificidae—NMNHINVunchanged—0
Helodrilus caliginosus caliginosus07/25/1913NMNHINVunchanged41,308.430
Lumbriculus variegatus08/08/1926NMNHINVunchanged36,546.430
Helodrilus chloroticus—NMNHINVunchanged—0
Helodrilus tetraedrus hercynia06/02/1902NMNHINVunchanged45,379.430
Ophiuroidea10/28/2008NMNHINVunchanged6,514.430
Hydroides brachyacantha11/03/1972NMNHINVunchanged19,657.430
Hydroides brachyacantha11/13/1973NMNHINVunchanged19,282.430
Pista sp.05/10/1904NMNHINVunchanged44,671.430
Amphitrite robusta07/07/1903NMNHINVunchanged44,979.430
Thelepus crispus07/02/1946NMNHINVunchanged29,278.430
Thelepus cincinnatus01/01/1966NMNHINVunchanged22,155.430
Hypaniola florida—NMNHINVunchanged—0
Spirorbis spirillum08/08/1908NMNHINVunchanged43,120.430
Hydroides gairacensis03/20/1972NMNHINVunchanged19,885.430
Harmothoe (Lagisca) extenuata08/01/1950NMNHINVunchanged27,787.430
Halosydna leucohyba09/14/1928NMNHINVunchanged35,778.430
Harmothoe extenuata06/29/1954NMNHINVunchanged26,359.430