trilobite

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trilobite

a fossil arthropod of the class Trilobita from the CAMBRIAN and SILURIAN PERIODS.
References in periodicals archive ?
The encrustation of both Middle Ordovician and Late Ordovician trilobites took place post mortem, because during the life the inner surface of the pygidium and cranidium was not exposed to encrustation and was in contact with soft tissues of the trilobite.
Crimes (1970) also suggested that trilobites were grazing as they were dragged along, leaving behind linear drag impressions.
This guide illustrates preserved Ordovician trilobites from the Paleozoic Era found in Southern Ontario, Canada, as well as neighboring Quebec and New York, including the Ordovician Konservat-Lagerstatten of Beecher's Trilobite Bed and the Walcott-Rust Quarry.
Each of the Valentine-like stones has been arrayed to resemble a pair of small jewellery boxes, their lids removed to reveal the forms of a pair of scorpions and a wee trilobite within.
They swam using flaps down either side of the body and had large appendages in front of their mouths that they most likely used to capture larger prey, such as trilobites.
Remarkably for a book on the Cambrian, trilobites do not appear.
Utica native Charles Doo-little Walcott started his career collecting local trilobites before moving on to head the U.
com | CARDIFF Discover dinosaurs, ammonites and trilobites in the Evolution of Wales gallery and make a prehistoric memento to take home at a fossil fanatics day at the National Museum, Cardiff.
Our rifles and DDT are puny compared to the forces that annihilated dinosaurs and the multicolored world of the trilobites.
In the series Reflection in Philately, Friedrich Pfeil (Germany) has published the second issue on Nautilids and Ammonites eight years after the first on Trilobites by Hans Ulrich Ernst, an avid collector of paleontological stamps and the common author in both issues.
Fossils - September 15-6, 1pm: Find out about fossil trilobites, ammonites, teeth from sharks and more, and make your own fossil to take home.