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Two-ridge Rams-Horn
Helisoma
anceps
(Menke, 1830)
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Two-ridge Rams-Horn: https://www.marylandbiodiversity.org/species/17488
Synonyms
Tags
Kingdom Animalia
Phylum Mollusca
Class Gastropoda
Order Basommatophora
Family Planorbidae
Genus Helisoma
View Taxonomy
Kingdom Animalia
Phylum Mollusca
Class Gastropoda
Order Basommatophora
Family Planorbidae
Genus Helisoma
Seasonality
About Taxon
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Seasonality
Seasonality
History
Time of the year
Entire Year (Jan - Dec)
Spring (Mar - May)
Summer (Jun - Jul)
Fall (Aug - Nov)
Winter (Dec - Feb)
Range of years
1968
2001
2003
2005
2006
2007
2008
2009
2013
2017
2017
2013
2009
2008
2007
2006
2005
2003
2001
1968
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for Jan - Dec from 2019 - 2020
Source: Maryland Biodiversity Project database
Total
Records
by Year
Source: Maryland Biodiversity Project database