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TAXSYNDISISLFRMPIC
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Taxonomy of Family Tricrepicephalidae Palmer, 1954


Class
 		Trilobita ♰
Walch, 1771
Trilobites		288
6303
23914		Families
Genera
Species

Order
 		Ptychopariida ♰
Swinnerton, 1915
76
1442
6063		Families
Genera
Species

Suborder
 		Ptychopariina ♰
Richter, 1932
59
1247
5424		Families
Genera
Species

Superfamily
 		Ptychoparioidea ♰
Matthew, 1887
49
1010
4637		Families
Genera
Species
FamilyTricrepicephalidae ♰
Palmer, 1954
7
41		Genera
Species
Subnodes of Tricrepicephalidae Palmer, 1954
GenusColeopachys ♰
Raymond, 1937  ⇒ Meteoraspis
2Species
GenusErediaspis ♰
Öpik, 1967
1Species
GenusGreylockia ♰
Raymond, 1937  ⇒ Meteoraspis
1Species
GenusLonchocephalus ♰
Owen, 1852
19Species
GenusMeteoraspis ♰
Resser, 1935
16Species
GenusParacrepicephalus ♰
LOCHMAN, 1936  ⇒ Tricrepicephalus
1Species
GenusPrometeoraspis ♰
Poulsen, 1960
1Species


Distribution and Species lists of Tricrepicephalidae Palmer, 1954
Argentina
1 Genus  1 SpeciesAustralia
2 Genera  1 SpeciesCanada
2 Genera  2 SpeciesChina
2 Genera  1 SpeciesUnited Kingdom
1 Genus  1 SpeciesUSA
4 Genera  21 Species


Distribution on islands


Found in fossile formations
Orr Formation
2 Genera  0 Species


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