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Checklist for Family Hammatocnemidae
and region Ludlow (Silurian)


Class
 		Trilobita ♰
Walch, 1771
Trilobites		31
151
381		Families
Genera
Species		 
Taxom
 

Order
 		Phacopida ♰
Salter, 1864
13
65
173		Families
Genera
Species		 
Taxom
 

Suborder
 		Cheirurina ♰
Harrington, 1957
4
30
89		Families
Genera
Species		 
Taxom
 

Superfamily
 		Cheiruroidea ♰
4
30
89		Families
Genera
Species		 
Taxom
 
FamilyHammatocnemidae ♰
3
11		Genera
Species		 
Taxom
 


Genera for Ludlow
3 Genera with 11 Species
Onycopyge Woodward, 18801SpeciesTaxom
Sphaerexochus Beyrich, 010SpeciesTaxom
Youngia Lindström, 1885
0SpeciesTaxom


Species list for Ludlow
11 Species
Onycopyge liversidgei ♰ Woodward, 1880
Sphaerexochus calvus ♰ Mc Coy, 1846
Sphaerexochus dimorphus ♰ WHITTINGTON ..., 1953
Sphaerexochus hiratai ♰ Kobayashi, 1964
Sphaerexochus laciniatus ♰ Lindström, 1885
Sphaerexochus latifrons ♰ Angelin, 1854
Sphaerexochus lorum ♰
Sphaerexochus mirus ♰ Beyrich, 1845
Sphaerexochus paramirus ♰
Sphaerexochus planirachis ♰ Kobayashi & ..., 1974
Sphaerexochus sugiyamai ♰


Links, sources and further information
Hammatocnemidae at gbif.org
Hammatocnemidae at irmng.org