Species list, Checklist of Class Merostomata (Horseshoe crabs) for Beaver County (Pennsylvania, USA)

Ants	Arachnids
Bees	Beetles
Booklice	Bugs
Bumblebees	Butterflies
Cicadas	Crane flies
Dragonflies	Earwigs
Flies	Isopods
Locusts	Mantises
Mayflies	Mosquitoes
Myriapods	Net-winged
Plant-parasitic	Scorpion flies
Termites	Wasps

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Checklist for Class Merostomata Woodward, 1866 (Horseshoe crabs)
and region Beaver County (Pennsylvania, USA)

Class

Merostomata
Woodward, 1866
Horseshoe crabs, Merostomates

2
2
1

Families
Genera
Species

Taxom

List of families for Beaver County (Pennsylvania)
2 Families width 1 Species

Adelophthalmidae Tollerton, 1989		0	Species	Taxom
Euproopidae Eller, 1938		1	Species	Taxom

Genera for Beaver County (Pennsylvania)
2 Genera with 1 Species

Adelophthalmus Jordan, 1854		0	Species	Taxom
Euproops Meek, 1944		1	Species	Taxom

Species list for Beaver County (Pennsylvania)
1 Species

Euproops darrahi Raymond, 1944

Subnodes of Merostomata with occurrences in Beaver County (Pennsylvania)

Order	Eurypterida ♰ Burmeister, 1843 Eurypterids, Sea scorpions	1 1 0	Family Genus Species	Taxom
Order	Xiphosura Latreille, 1802 Horseshoe crabs	1 1 1	Family Genus 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