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Checklist for Class Merostomata Woodward, 1866 (Horseshoe crabs)
and region Madison County (Southern Illinois, Illinois, USA)


Class
 		Merostomata
Woodward, 1866
Horseshoe crabs, Merostomates		2
4
2		Families
Genera
Species		 
Taxom
 


List of families for Madison County (Illinois)
2 Families width 2 Species
Adelophthalmidae Tollerton, 19891SpeciesTaxom
Mycteroptidae Cope, 18860SpeciesTaxom


Genera for Madison County (Illinois)
2 Genera with 2 Species
Adelophthalmus Jordan, 18681SpeciesTaxom
Mycterops Cope, 1886
0SpeciesTaxom


Species list for Madison County (Illinois)
2 Species
Adelophthalmus mazonensis ♰ Meek & Worthen, 1868

Subnodes of Merostomata with occurrences in Madison County (Illinois)
OrderEurypterida ♰
Burmeister, 1843
Eurypterids, Sea scorpions		2
4
2		Families
Genera
Species
Taxom



Links, sources and further information
Merostomata at artfakta.se
Merostomata at dyntaxa.se
Merostomata at gbif.org
Merostomata at irmng.org
Merostomata at itis.gov
Merostomata at marinespecies.org