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Ambystoma opacum (Gravenhorst, 1807) - Marbled Salamander


Collection Summary

Ambystoma opacum (Marbled Salamander) has a total of 192 valid, non-duplicated collections representing 43 counties and 95 localities. There are a total of 81 collectors and 115 collection dates for the species. This results in a total of 128 expeditions for the species, a measure of unique date / collector(s) combinations. The earliest collection year for the species in Missouri is 1897 and its most recent collection year is 2018. The earliest and latest collection dates (independent of earliest and most recent collection years) are January 5 and November 20, respectively. If you have a new record to report, read the New Records section of the FAQ.

Collection Summary by County

Collection summary for Ambystoma opacum (Marbled Salamander) by county. Some values are unavailable since some records are represented solely by historical literature reports, which sometimes lack complete collecting data. Click on a county name to view more information about that county. Click on column headings to sort by that column.
County Localities Collections Collectors Dates Expeditions Earliest Year Latest Year
Bollinger 2 7 4 4 5 1974 1995
Butler 4 17 6 8 11 1897 1998
Callaway 1 1 2 1 1 1995 1995
Camden 1 1 1 1 1 2013 2013
Cape Girardeau 2 2 3 2 2 2016 2016
Carter 3 4 3 3 3 1984 2001
Christian 3 3 4 3 3 1987 2013
Crawford 3 3 6 3 3 1992 2013
Dent 1 2 1 1 1 1991 1991
Douglas 1 1 2 1 1 2008 2008
Dunklin 2 8 3 3 4 1905 1957
Franklin 1 1 1 1 1 1931 1931
Gasconade 2 3 4 2 3 1975 2015
Howell 1 1 1 1 1 2004 2004
Iron 1 1 2 1 1 2002 2002
Jefferson 1 6 3 3 4 1932 1932
Laclede 1 2 1 1 1 1991 1991
Lincoln 2 4 2 4 4 1978 2012
Madison 2 2 1 1 1 2012 2012
Maries 1 1 2 1 1 1990 1990
Montgomery 2 4 2 3 3 1992 2004
New Madrid 1 5 2 3 3 1903 1909
Oregon 2 2 3 2 2 1986 1986
Osage 2 2 2 2 2 1993 1997
Ozark 1 1 2 1 1 2005 2005
Pemiscot 1 2 2 2 2 1903 1903
Phelps 7 12 13 8 9 1941 2015
Pulaski 1 1 1 1 1 2001 2001
Randolph 1 1 1 1 1 2018 2018
Reynolds 1 1 1 1 1 1981 1981
Ripley 2 2 2 2 2 2000 2005
Saint Charles 1 1 1 1 1 2013 2013
Saint Clair 2 2 2 2 2 1970 1970
Saint Francois 2 2 5 1 2 2008 2008
Saint Louis 4 15 5 8 8 1898 1992
Shannon 2 2 1 1 1 1934 1934
Stoddard 10 47 17 27 28 1897 2014
Taney 4 4 9 2 3 2007 2007
Texas 1 2 1 1 1 2003 2003
Warren 1 2 1 1 1 1980 1980
Washington 2 2 2 2 2 1990 1995
Wayne 5 5 9 5 5 1968 2003
Webster 3 3 1 2 2 2002 2016