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Spectacularly preserved trilobite fossils, often showing soft body parts (legs, gills, antennae, etc.) have been found in British Columbia, Canada (the Cambrian Burgess Shale and similar localities); New York, U.S.A. (Ordovician Walcott–Rust quarry, near Russia, and Beecher's Trilobite Bed, near Rome); China (Lower Cambrian Maotianshan Shales ...
Trinucleus is a genus of trilobites of the order Asaphida.It is in the family Trinucleidae. [1]Fossil specimens are found in the Ordovician rocks of Powys, Wales.. This trilobite was blind and although the exact function of the pits and bars surrounding the cephalon are unknown, anatomical evidence suggests this trilobite sifted organic matter on the seabed.
Asaphiscus wheeleri, a trilobite from the Cambrian Wheeler shale of Utah. This list of trilobites is a comprehensive listing of all genera that have ever been included in the Arthropod class Trilobita, excluding purely vernacular terms.
Wanneria is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the later part of the Botomian stage, [3] which lasted from approximately 524 to 518.5 million years ago. This faunal stage was part of the Cambrian Period. [3] W. walcottana and W. cranbrookense are the only known species in this ...
Full specimens are rare, with trilobite heads being the most commonly found feature, potentially indicating the area was the site of a trilobite molting ground. [ 7 ] [ 5 ] [ 4 ] In all, roughly 21 species of Cambrian invertebrates have been discovered in the area, including articulate brachiopods and Anomalocaris appendages.
Megistaspis is a genus of trilobites in the order Asaphida and family Asaphidae. They lived in the Ordovician period (478-449 million years ago), [1] from the Upper Tremadocian age until the Lower Llanvim age. These arthropods were a low-level epifauna, fast-moving and detritivore.
Dipleura is a genus of trilobites in the order Phacopida. It was described by Green in 1832, and the type species is Dipleura dekayi. The type locality was in the Hamilton Group in New York. [1] These fast-moving low-level epifaunal carnivores lived during the middle Devonian and Ordovician periods from 460.9 to 383.7 Ma. [2]
Encrinuridae is a family of trilobite within the order Phacopida that lived in what would be Africa, Asia, Australia, Europe, North America, and South America from the middle Ordovician to the early Devonian from , existing for approximately 66.7 million years.