User Options
Toggle navigation
Login
Register
Login
Register
Main Site
Browse
Advanced Search
Featured
About
7 Specimen Results
Add all results to lightbox
Select results to add to lightbox
Sort by:
Title
Sort order:
Ascending
Descending
Start Over
Download results as:
Checklist
PDF (thumbnails)
Specimen information (Excel)
Add selected results to lightbox
Class:
Trilobita
Formation:
Gloucester
FHSM IP-421
Triarthrus spinosus
(Billings, 1857)
Formation:
Gloucester
Period(Early):
Ordovician
FHSM IP-422
Triarthrus spinosus
(Billings, 1857)
Formation:
Gloucester
Period(Early):
Ordovician
FHSM IP-423
Triarthrus spinosus
(Billings, 1857)
Formation:
Gloucester
Period(Early):
Ordovician
FHSM IP-424
Triarthrus spinosus
(Billings, 1857)
Formation:
Gloucester
Period(Early):
Ordovician
FHSM IP-425-1
Triarthrus spinosus
(Billings, 1857)
Formation:
Gloucester
Period(Early):
Ordovician
FHSM IP-425-2
Triarthrus spinosus
(Billings, 1857)
Formation:
Gloucester
Period(Early):
Ordovician
FHSM IP-425-3
Triarthrus spinosus
(Billings, 1857)
Formation:
Gloucester
Period(Early):
Ordovician
Next 36
Filter by
Phylum
Arthropoda (7)
Order
Olenida (7)
Family
Olenidae (7)
Genus
Triarthrus (7)
has media
Has media (6)
Has no media (1)
Individual/Organization
Sternberg, G.F. (7)
Period
Ordovician (7)
Formation
Gloucester (7)
Country
Canada (7)
State/Province
Ontario (7)