Fossil Information (Phanerozoic Eon)

ID:5004
Fossil Type:Trilobite
Fossil Description:Trilobite in matrix (black Utica shale) head
Status:Extinct
Relative Size:Large
Kingdom:Animalia
Phylum:Arthropoda
Subphylum:Schizoramia
Superclass:Arachnomorpha
Class:Trilobita
Subclass:Librostoma
Order:Ptychopariida
Suborder:Olenina
Family:Olenidae
Scientific Name (Genus species):Triarthrus eatoni (Hall), aka Brongniartia eatoni
Era/Period:Paleozoic/Devonian (or Ordovician)
Epoch/Age:Middle Devonian/Givetian (or Upper Ordovician)
MYA:About 390 (384-392)
Discovery Location (Water, Land):Stream edges
Discovery Location (City, ST):Danube, NY, USA
Discovery Location (County):Herkimer
Deepest Formation:Utica (Marcellus)
Color:Dark grey or black
Dimensions:0.8"Lx1.2"W
Comments:Molted head (cephalon) only, called 'free cheeks'. Matrix (9.75"Lx7.25"W). Also, have other half of matrix and other piece, with 0.3"Lx0.4"W head on opposite side (7.125"Lx4.75"W and 5.25"Lx5.0"W).
Collector Name:RLD
Image Filename 1:DSCF1296.jpg
Image Filename 2:DSCF1299.jpg
Image Filename 3:DSCF1311.jpg
Image Filename 4:DSCF1325.jpg

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