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Checklist for Superfamily Pterygotioidea Clarke & Ruedemann, 1912
and region Lower Devonian (Devonian)


Class
 		Merostomata
Woodward, 1866
Horseshoe crabs, Merostomates		12
35
49		Families
Genera
Species		 
Taxom
 

Order
 		Eurypterida ♰
Burmeister, 1843
Eurypterids, Sea scorpions		8
24
39		Families
Genera
Species		 
Taxom
 

Superfamily
 		Pterygotioidea ♰
Clarke & Ruedemann, 1912
1
4
13		Family
Genera
Species		 
Taxom
 


List of families for Lower Devonian
1 Family width 13 Species
Pterygotidae Clarke & Rue..., 191213SpeciesTaxom


Genera for Lower Devonian
4 Genera with 13 Species
Acutiramus Ruedemann, 18721SpeciesTaxom
Erettopterus Salter, 19641SpeciesTaxom
Jaekelopterus Waterston, 19141SpeciesTaxom
Pterygotus Agassiz, 010SpeciesTaxom


Species list for Lower Devonian
13 Species
Acutiramus bohemicus ♰ Barrande, 1872
Erettopterus saetiger ♰ Kjellesvig-W..., 1964
Jaekelopterus rhenaniae ♰ Jaekel, 1914
Pterygotus (Acutiramus) bohemicus ♰ Barrande, 1872
Pterygotus (Erettopterus) serratus ♰
Pterygotus (Pterygotus) atlanticus ♰
Pterygotus (Pterygotus) carmani ♰ Kjellesvig-W..., 1961
Pterygotus (Pterygotus) howelli ♰
Pterygotus anglicus ♰ Agassiz, 1844
Pterygotus blahai ♰ (Semper, 1898)⇒ Acutiramus bohemicus Barrande, 1872
Pterygotus floridanus ♰ Kjellesvig-W..., 1950
Pterygotus minor ♰
Pterygotus siemiradskii ♰

Subnodes of Pterygotioidea with occurrences in Lower Devonian
FamilyPterygotidae ♰
Clarke & Ruedemann, 1912
4
13		Genera
Species
Taxom