Paratrinucleus acervulosus Trilobite from Virginia

Paratrinucleus acervulosus

Trilobites Order Asaphida, Family Trinucleidae

Geological Time: Middle Ordovician

Size: Trilobite is 9/16”

Fossil Site: Liberty Hall Shale, Lusters Gate, New Blacksburg, Virginia

Paratrinucleus acervulosus Trilobite from VirginiaDescription: Offered is a collector grade specimen of this uncommon trilobite species, Paratrinucleus acervulosus. It exhibits unusually brilliant detail, color and preservation. The cephalic pits (fenestrae) are also evident, the means by which this trilobite filtered detritus from the seafloor. The trilobite presumably hovered at the seafloor, using its legs to kick up particulates which then passed through the cephalic ring. This specimen came from an old collection, acquired by a well-known collector who worked the local Swatara Gap, Martinsburg Formation, and Lancaster area, Kinzer Formation for decades.

click fossil pictures to enlarge

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