AntsAntsArachnidsArachnids
BeesBeesBeetlesBeetles
BookliceBookliceBugsBugs
BumblebeesBumblebeesButterfliesButterflies
CicadasCicadasCrane fliesCrane flies
DragonfliesDragonfliesEarwigsEarwigs
FliesFliesIsopodsIsopods
LocustsLocustsMantisesMantises
MayfliesMayfliesMosquitoesMosquitoes
MyriapodsMyriapodsNet-wingedNet-winged
Plant-parasiticPlant-parasiticScorpion fliesScorpion flies
TermitesTermitesWaspsWasps
INSECTOIDGERENGDARK LIGHT
Home Arthropoda Imprint Contact
TAXFAMGENSPESUB
⌕
Checklist for Family Trinucleidae Hawle & Corda, 1847
and region Canada (North America)


Class
 		Trilobita ♰
Walch, 1771
Trilobites		139
842
1328		Families
Genera
Species		 
Taxom
 

Order
 		Asaphida ♰
Salter, 1864
23
157
194		Families
Genera
Species		 
Taxom
 

Suborder
 		Asaphina ♰
Fortey & Chatterton, 1988
22
142
170		Families
Genera
Species		 
Taxom
 

Superfamily
 		Trinucleioidea ♰
Delo, 1935
5
23
26		Families
Genera
Species		 
Taxom
 
FamilyTrinucleidae ♰
Hawle & Corda, 1847
6
10		Genera
Species		 
Taxom
 


Genera for Canada
6 Genera with 10 Species
Cryptolithoides Whittington, 1941
0SpeciesTaxom
Cryptolithus Green, 18326SpeciesTaxom
Onnia BANCROFT, 1933
0SpeciesTaxom
Paratretaspis Dean, 19731SpeciesTaxom
Tretaspis Mccoy, 18183SpeciesTaxom
Trinucleus MURCHISON, 1839
0SpeciesTaxom


Species list for Canada
10 Species
Cryptolithus bellulus ♰ Ulrich, 1878
Cryptolithus lorettensis ♰ FOERSTE, 1924
Cryptolithus portageensis ♰ LESPÉRANCE, 1988
Cryptolithus recurvus ♰ Bassler, 1920
Cryptolithus tesselatus ♰ Green, 1832
Cryptolithus tessellatus ♰ Green, 1832
Paratretaspis terranovica ♰ Dean, 1973
Tretaspis ceriodes ♰ Angelin, 1854
Tretaspis clarkei ♰
Tretaspis granulata ♰ Wahlberg, 1818


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